{"id":83878,"date":"2026-07-26T05:33:52","date_gmt":"2026-07-25T21:33:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/83878.html"},"modified":"2026-07-26T05:33:52","modified_gmt":"2026-07-25T21:33:52","slug":"esp32-%e4%bd%bf%e7%94%a8esp-idf%e5%bb%ba%e7%ab%8b%e8%93%9d%e7%89%99%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%92%8c%e6%89%8b%e6%9c%ba%e9%80%9a%e4%bf%a1%e6%ba%90%e7%a0%81%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/83878.html","title":{"rendered":"ESP32 \u4f7f\u7528ESP-IDF\u5efa\u7acb\u84dd\u7259\u670d\u52a1\u5668\u548c\u624b\u673a\u901a\u4fe1\u6e90\u7801\u5206\u4eab"},"content":{"rendered":"<\/p>\n<h4>ESP32 \u4f7f\u7528ESP-IDF\u5efa\u7acb\u84dd\u7259\u670d\u52a1\u5668\u548c\u624b\u673a\u901a\u4fe1\u6e90\u7801\u5206\u4eab<\/h4>\n<ul>\n<li>\u4e00\u3001\u6e90\u7801\u5206\u4eab<\/li>\n<li>\n<ul>\n<li>1\u3001\u6548\u679c\u5c55\u793a<\/li>\n<li>2\u3001\u5f00\u53d1\u73af\u5883\u642d\u5efa<\/li>\n<li>3\u3001\u6e90\u7801\u5206\u4eab<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u84dd\u7259\u4ecb\u7ecd<\/li>\n<li>\n<ul>\n<li>1\u3001\u6280\u672f\u672c\u8d28<\/li>\n<li>2\u3001\u540d\u79f0\u7531\u6765<\/li>\n<li>3\u3001\u6838\u5fc3\u7279\u70b9<\/li>\n<li>4\u3001\u4e3b\u8981\u5e94\u7528\u573a\u666f<\/li>\n<li>5\u3001\u6280\u672f\u6f14\u8fdb<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001ESP-IDF\u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>1\u3001ESP32 \u6982\u8ff0<\/li>\n<li>2\u3001 ESP-IDF \u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>2.1 \u3001ESP-IDF \u7684\u6838\u5fc3\u7ec4\u4ef6\u4e0e\u67b6\u6784<\/li>\n<li>2.2 \u3001ESP-IDF \u5f00\u53d1\u73af\u5883\u4e0e\u5de5\u5177\u94fe<\/li>\n<li>2.3 \u3001ESP-IDF 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directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdbool.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;nimble\/ble.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;modlog\/modlog.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_peripheral.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__cplusplus<\/span><\/span><br \/>\n<span class=\"token keyword\">extern<\/span> <span class=\"token string\">&#034;C&#034;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/* 16 Bit SPP Service UUID *\/<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BLE_SVC_SPP_UUID16<\/span>                                  <span class=\"token expression\"><span class=\"token number\">0xABF0<\/span><\/span><\/span><\/p>\n<p><span class=\"token comment\">\/* 16 Bit SPP Service Characteristic UUID *\/<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BLE_SVC_SPP_CHR_UUID16<\/span>                              <span class=\"token expression\"><span class=\"token number\">0xABF1<\/span><\/span><\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_hs_cfg<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gatt_register_ctxt<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__cplusplus<\/span><\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>main.c<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_log.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;nvs_flash.h&#034;<\/span><\/span><br \/>\n<span class=\"token comment\">\/* BLE *\/<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;nimble\/nimble_port.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;nimble\/nimble_port_freertos.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;host\/ble_hs.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;host\/util\/util.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;console\/console.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;services\/gap\/ble_svc_gap.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;services\/gatt\/ble_svc_gatt.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ble_spp_server.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;driver\/uart.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">ble_spp_server_gap_event<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gap_event<\/span> <span class=\"token operator\">*<\/span>event<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token class-name\">uint8_t<\/span> own_addr_type<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">gatt_svr_register<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nQueueHandle_t spp_common_uart_queue <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> bool conn_handle_subs<span class=\"token punctuation\">[<\/span>CONFIG_BT_NIMBLE_MAX_CONNECTIONS <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token class-name\">uint16_t<\/span> ble_spp_svc_gatt_read_val_handle<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">ble_store_config_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">ble_spp_server_print_conn_desc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gap_conn_desc<\/span> <span class=\"token operator\">*<\/span>desc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;handle&#061;%d our_ota_addr_type&#061;%d our_ota_addr&#061;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>conn_handle<span class=\"token punctuation\">,<\/span> desc<span class=\"token operator\">-&gt;<\/span>our_ota_addr<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">print_addr<\/span><span class=\"token punctuation\">(<\/span>desc<span class=\"token operator\">-&gt;<\/span>our_ota_addr<span class=\"token punctuation\">.<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; our_id_addr_type&#061;%d our_id_addr&#061;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>our_id_addr<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">print_addr<\/span><span class=\"token punctuation\">(<\/span>desc<span class=\"token operator\">-&gt;<\/span>our_id_addr<span class=\"token punctuation\">.<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; peer_ota_addr_type&#061;%d peer_ota_addr&#061;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>peer_ota_addr<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">print_addr<\/span><span class=\"token punctuation\">(<\/span>desc<span class=\"token operator\">-&gt;<\/span>peer_ota_addr<span class=\"token punctuation\">.<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; peer_id_addr_type&#061;%d peer_id_addr&#061;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>peer_id_addr<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">print_addr<\/span><span class=\"token punctuation\">(<\/span>desc<span class=\"token operator\">-&gt;<\/span>peer_id_addr<span class=\"token punctuation\">.<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; conn_itvl&#061;%d conn_latency&#061;%d supervision_timeout&#061;%d &#034;<\/span><br \/>\n                <span class=\"token string\">&#034;encrypted&#061;%d authenticated&#061;%d bonded&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>conn_itvl<span class=\"token punctuation\">,<\/span> desc<span class=\"token operator\">-&gt;<\/span>conn_latency<span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>supervision_timeout<span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>sec_state<span class=\"token punctuation\">.<\/span>encrypted<span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>sec_state<span class=\"token punctuation\">.<\/span>authenticated<span class=\"token punctuation\">,<\/span><br \/>\n                desc<span class=\"token operator\">-&gt;<\/span>sec_state<span class=\"token punctuation\">.<\/span>bonded<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">ble_spp_server_advertise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gap_adv_params<\/span> adv_params<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_hs_adv_fields<\/span> fields<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> rc<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>fields<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span> fields<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    fields<span class=\"token punctuation\">.<\/span>flags <span class=\"token operator\">&#061;<\/span> BLE_HS_ADV_F_DISC_GEN <span class=\"token operator\">|<\/span><br \/>\n                   BLE_HS_ADV_F_BREDR_UNSUP<span class=\"token punctuation\">;<\/span><\/p>\n<p>    fields<span class=\"token punctuation\">.<\/span>tx_pwr_lvl_is_present <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    fields<span class=\"token punctuation\">.<\/span>tx_pwr_lvl <span class=\"token operator\">&#061;<\/span> BLE_HS_ADV_TX_PWR_LVL_AUTO<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>name<span class=\"token punctuation\">;<\/span><br \/>\n    name <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_svc_gap_device_name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    fields<span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>name<span class=\"token punctuation\">;<\/span><br \/>\n    fields<span class=\"token punctuation\">.<\/span>name_len <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    fields<span class=\"token punctuation\">.<\/span>name_is_complete <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    fields<span class=\"token punctuation\">.<\/span>uuids16 <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ble_uuid16_t<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">BLE_UUID16_INIT<\/span><span class=\"token punctuation\">(<\/span>BLE_SVC_SPP_UUID16<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    fields<span class=\"token punctuation\">.<\/span>num_uuids16 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    fields<span class=\"token punctuation\">.<\/span>uuids16_is_complete <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gap_adv_set_fields<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>fields<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;error setting advertisement data; rc&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> rc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/* Begin advertising. *\/<\/span><br \/>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>adv_params<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span> adv_params<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    adv_params<span class=\"token punctuation\">.<\/span>conn_mode <span class=\"token operator\">&#061;<\/span> BLE_GAP_CONN_MODE_UND<span class=\"token punctuation\">;<\/span><br \/>\n    adv_params<span class=\"token punctuation\">.<\/span>disc_mode <span class=\"token operator\">&#061;<\/span> BLE_GAP_DISC_MODE_GEN<span class=\"token punctuation\">;<\/span><br \/>\n    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gap_adv_start<\/span><span class=\"token punctuation\">(<\/span>own_addr_type<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> BLE_HS_FOREVER<span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token operator\">&amp;<\/span>adv_params<span class=\"token punctuation\">,<\/span> ble_spp_server_gap_event<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;error enabling advertisement; rc&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> rc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span><br \/>\n<span class=\"token function\">ble_spp_server_gap_event<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gap_event<\/span> <span class=\"token operator\">*<\/span>event<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gap_conn_desc<\/span> desc<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> rc<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">-&gt;<\/span>type<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> BLE_GAP_EVENT_CONNECT<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/* A new connection was established or a connection attempt failed. *\/<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;connection %s; status&#061;%d &#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>connect<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#034;established&#034;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;failed&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>connect<span class=\"token punctuation\">.<\/span>status<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">-&gt;<\/span>connect<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gap_conn_find<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">-&gt;<\/span>connect<span class=\"token punctuation\">.<\/span>conn_handle<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>desc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">ble_spp_server_print_conn_desc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>desc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">-&gt;<\/span>connect<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">||<\/span> CONFIG_BT_NIMBLE_MAX_CONNECTIONS <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/* Connection failed or if multiple connection allowed; resume advertising. *\/<\/span><br \/>\n            <span class=\"token function\">ble_spp_server_advertise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GAP_EVENT_DISCONNECT<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;disconnect; reason&#061;%d &#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token operator\">-&gt;<\/span>disconnect<span class=\"token punctuation\">.<\/span>reason<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">ble_spp_server_print_conn_desc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>event<span class=\"token operator\">-&gt;<\/span>disconnect<span class=\"token punctuation\">.<\/span>conn<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        conn_handle_subs<span class=\"token punctuation\">[<\/span>event<span class=\"token operator\">-&gt;<\/span>disconnect<span class=\"token punctuation\">.<\/span>conn<span class=\"token punctuation\">.<\/span>conn_handle<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> false<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/* Connection terminated; resume advertising. *\/<\/span><br \/>\n        <span class=\"token function\">ble_spp_server_advertise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GAP_EVENT_CONN_UPDATE<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/* The central has updated the connection parameters. *\/<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;connection updated; status&#061;%d &#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>conn_update<span class=\"token punctuation\">.<\/span>status<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gap_conn_find<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">-&gt;<\/span>conn_update<span class=\"token punctuation\">.<\/span>conn_handle<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>desc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">ble_spp_server_print_conn_desc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>desc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GAP_EVENT_ADV_COMPLETE<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;advertise complete; reason&#061;%d&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>adv_complete<span class=\"token punctuation\">.<\/span>reason<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">ble_spp_server_advertise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GAP_EVENT_MTU<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;mtu update event; conn_handle&#061;%d cid&#061;%d mtu&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>mtu<span class=\"token punctuation\">.<\/span>conn_handle<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>mtu<span class=\"token punctuation\">.<\/span>channel_id<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>mtu<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GAP_EVENT_SUBSCRIBE<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;subscribe event; conn_handle&#061;%d attr_handle&#061;%d &#034;<\/span><br \/>\n                    <span class=\"token string\">&#034;reason&#061;%d prevn&#061;%d curn&#061;%d previ&#061;%d curi&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>conn_handle<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>attr_handle<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>reason<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>prev_notify<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>cur_notify<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>prev_indicate<span class=\"token punctuation\">,<\/span><br \/>\n                    event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>cur_indicate<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        conn_handle_subs<span class=\"token punctuation\">[<\/span>event<span class=\"token operator\">-&gt;<\/span>subscribe<span class=\"token punctuation\">.<\/span>conn_handle<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> true<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">ble_spp_server_on_reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> reason<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Resetting state; reason&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> reason<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">ble_spp_server_on_sync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> rc<span class=\"token punctuation\">;<\/span><\/p>\n<p>    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_hs_util_ensure_addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/* Figure out address to use while advertising (no privacy for now) *\/<\/span><br \/>\n    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_hs_id_infer_auto<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>own_addr_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;error determining address type; rc&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> rc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/* Printing ADDR *\/<\/span><br \/>\n    <span class=\"token class-name\">uint8_t<\/span> addr_val<span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_hs_id_copy_addr<\/span><span class=\"token punctuation\">(<\/span>own_addr_type<span class=\"token punctuation\">,<\/span> addr_val<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Device Address: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">print_addr<\/span><span class=\"token punctuation\">(<\/span>addr_val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* Begin advertising. *\/<\/span><br \/>\n    <span class=\"token function\">ble_spp_server_advertise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">ble_spp_server_host_task<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>param<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;BLE Host Task Started&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* This function will return only when nimble_port_stop() is executed *\/<\/span><br \/>\n    <span class=\"token function\">nimble_port_run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">nimble_port_freertos_deinit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/* Callback function for custom service *\/<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span>  <span class=\"token function\">ble_svc_gatt_handler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span> conn_handle<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> attr_handle<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gatt_access_ctxt<\/span> <span class=\"token operator\">*<\/span>ctxt<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>op<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> BLE_GATT_ACCESS_OP_READ_CHR<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Callback for read&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GATT_ACCESS_OP_WRITE_CHR<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Data received in write event,conn_handle &#061; %x,attr_handle &#061; %x&#034;<\/span><span class=\"token punctuation\">,<\/span> conn_handle<span class=\"token punctuation\">,<\/span> attr_handle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6570\u636e\u957f\u5ea6<\/span><br \/>\n        <span class=\"token class-name\">uint16_t<\/span> data_len <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">os_mbuf_len<\/span><span class=\"token punctuation\">(<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>om<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6570\u636e\u5185\u5bb9<\/span><br \/>\n        <span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span>data <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>om<span class=\"token operator\">-&gt;<\/span>om_data<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6253\u5370\u6570\u636e&#xff08;\u793a\u4f8b&#xff09;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Received len:%d data:%s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> data_len<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\nDefault Callback&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gatt_svc_def<\/span> new_ble_svc_gatt_defs<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/*** Service: SPP *\/<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>type <span class=\"token operator\">&#061;<\/span> BLE_GATT_SVC_TYPE_PRIMARY<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>uuid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">BLE_UUID16_DECLARE<\/span><span class=\"token punctuation\">(<\/span>BLE_SVC_SPP_UUID16<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>characteristics <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gatt_chr_def<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/* Support SPP service *\/<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span>uuid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">BLE_UUID16_DECLARE<\/span><span class=\"token punctuation\">(<\/span>BLE_SVC_SPP_CHR_UUID16<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span>access_cb <span class=\"token operator\">&#061;<\/span> ble_svc_gatt_handler<span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span>val_handle <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&amp;<\/span>ble_spp_svc_gatt_read_val_handle<span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span>flags <span class=\"token operator\">&#061;<\/span> BLE_GATT_CHR_F_READ <span class=\"token operator\">|<\/span> BLE_GATT_CHR_F_WRITE <span class=\"token operator\">|<\/span> BLE_GATT_CHR_F_NOTIFY<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/* No more characteristics *\/<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/* No more services. *\/<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">gatt_svr_register_cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ble_gatt_register_ctxt<\/span> <span class=\"token operator\">*<\/span>ctxt<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> buf<span class=\"token punctuation\">[<\/span>BLE_UUID_STR_LEN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>op<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> BLE_GATT_REGISTER_OP_SVC<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>DEBUG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;registered service %s with handle&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token function\">ble_uuid_to_str<\/span><span class=\"token punctuation\">(<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>svc<span class=\"token punctuation\">.<\/span>svc_def<span class=\"token operator\">-&gt;<\/span>uuid<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    ctxt<span class=\"token operator\">-&gt;<\/span>svc<span class=\"token punctuation\">.<\/span>handle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GATT_REGISTER_OP_CHR<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>DEBUG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;registering characteristic %s with &#034;<\/span><br \/>\n                    <span class=\"token string\">&#034;def_handle&#061;%d val_handle&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token function\">ble_uuid_to_str<\/span><span class=\"token punctuation\">(<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>chr<span class=\"token punctuation\">.<\/span>chr_def<span class=\"token operator\">-&gt;<\/span>uuid<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    ctxt<span class=\"token operator\">-&gt;<\/span>chr<span class=\"token punctuation\">.<\/span>def_handle<span class=\"token punctuation\">,<\/span><br \/>\n                    ctxt<span class=\"token operator\">-&gt;<\/span>chr<span class=\"token punctuation\">.<\/span>val_handle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">case<\/span> BLE_GATT_REGISTER_OP_DSC<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>DEBUG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;registering descriptor %s with handle&#061;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token function\">ble_uuid_to_str<\/span><span class=\"token punctuation\">(<\/span>ctxt<span class=\"token operator\">-&gt;<\/span>dsc<span class=\"token punctuation\">.<\/span>dsc_def<span class=\"token operator\">-&gt;<\/span>uuid<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    ctxt<span class=\"token operator\">-&gt;<\/span>dsc<span class=\"token punctuation\">.<\/span>handle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">gatt_svr_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> rc <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ble_svc_gap_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ble_svc_gatt_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gatts_count_cfg<\/span><span class=\"token punctuation\">(<\/span>new_ble_svc_gatt_defs<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> rc<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gatts_add_svcs<\/span><span class=\"token punctuation\">(<\/span>new_ble_svc_gatt_defs<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> rc<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">ble_server_uart_task<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>pvParameters<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;BLE server UART_task started\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">uart_event_t<\/span> event<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> rc <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">;<\/span><span class=\"token punctuation\">;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/Waiting for UART event.<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">xQueueReceive<\/span><span class=\"token punctuation\">(<\/span>spp_common_uart_queue<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>event<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>TickType_t<span class=\"token punctuation\">)<\/span>portMAX_DELAY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>            <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/Event of UART receiving data<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> UART_DATA<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span>ntf<span class=\"token punctuation\">;<\/span><br \/>\n                    ntf <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> event<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>ntf<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token function\">uart_read_bytes<\/span><span class=\"token punctuation\">(<\/span>UART_NUM_0<span class=\"token punctuation\">,<\/span> ntf<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">,<\/span> portMAX_DELAY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> event<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%02x &#034;<\/span><span class=\"token punctuation\">,<\/span> ntf<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>                    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> CONFIG_BT_NIMBLE_MAX_CONNECTIONS<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/* Check if client has subscribed to notifications *\/<\/span><br \/>\n                        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>conn_handle_subs<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">os_mbuf<\/span> <span class=\"token operator\">*<\/span>txom<span class=\"token punctuation\">;<\/span><br \/>\n                            txom <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_hs_mbuf_from_flat<\/span><span class=\"token punctuation\">(<\/span>ntf<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_gatts_notify_custom<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">,<\/span> ble_spp_svc_gatt_read_val_handle<span class=\"token punctuation\">,<\/span><br \/>\n                                                         txom<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                                <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Notification sent successfully&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                                <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>INFO<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Error in sending notification rc &#061; %d&#034;<\/span><span class=\"token punctuation\">,<\/span> rc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            <span class=\"token punctuation\">}<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>ntf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">vTaskDelete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">ble_spp_uart_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">uart_config_t<\/span> uart_config <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>baud_rate <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">115200<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>data_bits <span class=\"token operator\">&#061;<\/span> UART_DATA_8_BITS<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>parity <span class=\"token operator\">&#061;<\/span> UART_PARITY_DISABLE<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>stop_bits <span class=\"token operator\">&#061;<\/span> UART_STOP_BITS_1<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>flow_ctrl <span class=\"token operator\">&#061;<\/span> UART_HW_FLOWCTRL_RTS<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>rx_flow_ctrl_thresh <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">122<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>source_clk <span class=\"token operator\">&#061;<\/span> UART_SCLK_DEFAULT<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/Install UART driver, and get the queue.<\/span><br \/>\n    <span class=\"token function\">uart_driver_install<\/span><span class=\"token punctuation\">(<\/span>UART_NUM_0<span class=\"token punctuation\">,<\/span> <span class=\"token number\">4096<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8192<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>spp_common_uart_queue<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/Set UART parameters<\/span><br \/>\n    <span class=\"token function\">uart_param_config<\/span><span class=\"token punctuation\">(<\/span>UART_NUM_0<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>uart_config<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/Set UART pins<\/span><br \/>\n    <span class=\"token function\">uart_set_pin<\/span><span class=\"token punctuation\">(<\/span>UART_NUM_0<span class=\"token punctuation\">,<\/span> UART_PIN_NO_CHANGE<span class=\"token punctuation\">,<\/span> UART_PIN_NO_CHANGE<span class=\"token punctuation\">,<\/span> UART_PIN_NO_CHANGE<span class=\"token punctuation\">,<\/span> UART_PIN_NO_CHANGE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">xTaskCreate<\/span><span class=\"token punctuation\">(<\/span>ble_server_uart_task<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;uTask&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4096<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>UART_NUM_0<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">app_main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">esp_err_t<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nvs_flash_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> ESP_ERR_NVS_NO_FREE_PAGES <span class=\"token operator\">||<\/span> ret <span class=\"token operator\">&#061;&#061;<\/span> ESP_ERR_NVS_NEW_VERSION_FOUND<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">nvs_flash_erase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nvs_flash_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span>ret<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nimble_port_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">!&#061;<\/span> ESP_OK<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">MODLOG_DFLT<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to init nimble %d \\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> ret<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> CONFIG_BT_NIMBLE_MAX_CONNECTIONS<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        conn_handle_subs<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> false<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">ble_spp_uart_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    ble_hs_cfg<span class=\"token punctuation\">.<\/span>reset_cb <span class=\"token operator\">&#061;<\/span> ble_spp_server_on_reset<span class=\"token punctuation\">;<\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sync_cb <span class=\"token operator\">&#061;<\/span> ble_spp_server_on_sync<span class=\"token punctuation\">;<\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>gatts_register_cb <span class=\"token operator\">&#061;<\/span> gatt_svr_register_cb<span class=\"token punctuation\">;<\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>store_status_cb <span class=\"token operator\">&#061;<\/span> ble_store_util_status_rr<span class=\"token punctuation\">;<\/span><\/p>\n<p>    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_io_cap <span class=\"token operator\">&#061;<\/span> CONFIG_EXAMPLE_IO_TYPE<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">CONFIG_EXAMPLE_BONDING<\/span><\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_bonding <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">CONFIG_EXAMPLE_MITM<\/span><\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_mitm <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">CONFIG_EXAMPLE_USE_SC<\/span><\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_sc <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span><\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_sc <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">CONFIG_EXAMPLE_BONDING<\/span><\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_our_key_dist <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ble_hs_cfg<span class=\"token punctuation\">.<\/span>sm_their_key_dist <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\"><span class=\"token function\">MYNEWT_VAL<\/span><span class=\"token punctuation\">(<\/span>BLE_GATTS<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token keyword\">int<\/span> rc<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* Register custom service *\/<\/span><br \/>\n    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">gatt_svr_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/* Set the default device name. *\/<\/span><br \/>\n    rc <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ble_svc_gap_device_name_set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;nimble-ble-spp-svr&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>rc <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">\/* XXX Need to have template for store *\/<\/span><br \/>\n    <span class=\"token function\">ble_store_config_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">nimble_port_freertos_init<\/span><span class=\"token punctuation\">(<\/span>ble_spp_server_host_task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e8c\u3001\u84dd\u7259\u4ecb\u7ecd<\/h2>\n<p>\u84dd\u7259\u662f\u4e00\u79cd\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u6807\u51c6&#xff0c;\u4e3b\u8981\u7528\u4e8e\u5728\u56fa\u5b9a\u6216\u79fb\u52a8\u8bbe\u5907\u4e4b\u95f4\u5efa\u7acb\u4f4e\u529f\u8017\u3001\u4f4e\u6210\u672c\u7684\u65e0\u7ebf\u8fde\u63a5\u3002\u5b83\u65e8\u5728\u53d6\u4ee3\u8bbe\u5907\u95f4\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u4f20\u7edf\u6709\u7ebf\u8fde\u63a5&#xff08;\u5982\u4e32\u884c\u7535\u7f06&#xff09;\u3002<\/p>\n<h3>1\u3001\u6280\u672f\u672c\u8d28<\/h3>\n<p>\u84dd\u7259\u57fa\u4e8e\u65e0\u7ebf\u5c04\u9891\u6280\u672f&#xff0c;\u5728\u514d\u8bb8\u53ef\u7684 2.4 GHz ISM&#xff08;\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u7597&#xff09;\u9891\u6bb5\u4e0a\u5de5\u4f5c\u3002\u5176\u6838\u5fc3\u662f\u4e00\u4e2a\u534f\u8bae\u6808&#xff0c;\u5b9a\u4e49\u4e86\u8bbe\u5907\u5982\u4f55\u53d1\u73b0\u5f7c\u6b64\u3001\u5efa\u7acb\u8fde\u63a5\u3001\u8fdb\u884c\u5b89\u5168\u8ba4\u8bc1\u4ee5\u53ca\u4f20\u8f93\u6570\u636e\u3002<\/p>\n<h3>2\u3001\u540d\u79f0\u7531\u6765<\/h3>\n<p>\u201c\u84dd\u7259\u201d\u8fd9\u4e2a\u540d\u5b57\u6765\u6e90\u4e8e 10 \u4e16\u7eaa\u4e39\u9ea6\u56fd\u738b Harald Bl\u00e5tand&#xff08;\u82f1\u6587\u540d Harald Bluetooth&#xff09;\u3002\u8fd9\u4f4d\u56fd\u738b\u4ee5\u7edf\u4e00\u65af\u582a\u7684\u7eb3\u7ef4\u4e9a\u534a\u5c9b\u7684\u4e39\u9ea6\u90e8\u843d\u800c\u95fb\u540d\u3002\u84dd\u7259\u6280\u672f\u65e8\u5728\u7edf\u4e00\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae&#xff0c;\u5c31\u50cf\u8fd9\u4f4d\u56fd\u738b\u7edf\u4e00\u4e86\u90e8\u843d\u4e00\u6837&#xff0c;\u56e0\u6b64\u5f97\u540d\u3002<\/p>\n<h3>3\u3001\u6838\u5fc3\u7279\u70b9<\/h3>\n<li>\u77ed\u8ddd\u79bb&#xff1a;\u5178\u578b\u7684\u901a\u4fe1\u8ddd\u79bb\u8303\u56f4\u5728 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          1<\/p>\n<p>          \u00a0m<\/p>\n<p>         1 \\\\text{ m}<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">1<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0m<\/span><\/span><\/span><\/span><\/span><\/span> \u5230 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          100<\/p>\n<p>          \u00a0m<\/p>\n<p>         100 \\\\text{ m}<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">100<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0m<\/span><\/span><\/span><\/span><\/span><\/span> \u4e4b\u95f4&#xff08;\u6839\u636e\u8bbe\u5907\u529f\u7387\u7b49\u7ea7\u4e0d\u540c&#xff09;\u3002\u5e38\u89c1\u7684\u6d88\u8d39\u7c7b\u8bbe\u5907&#xff08;\u5982\u624b\u673a\u3001\u8033\u673a&#xff09;\u901a\u5e38\u8986\u76d6 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         10<\/p>\n<p>         \u00a0m<\/p>\n<p>        10 \\\\text{ m}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">10<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0m<\/span><\/span><\/span><\/span><\/span><\/span> \u5de6\u53f3\u3002<\/li>\n<li>\u4f4e\u529f\u8017&#xff1a;\u5c24\u5176\u9002\u7528\u4e8e\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u3002\u4f4e\u529f\u8017\u84dd\u7259\u6280\u672f\u5927\u5927\u5ef6\u957f\u4e86\u5c0f\u578b\u8bbe\u5907&#xff08;\u5982\u4f20\u611f\u5668\u3001\u624b\u73af&#xff09;\u7684\u7535\u6c60\u5bff\u547d\u3002<\/li>\n<li>\u70b9\u5bf9\u70b9 &amp; \u70b9\u5bf9\u591a\u70b9&#xff1a;\u652f\u6301\u8bbe\u5907\u95f4\u4e00\u5bf9\u4e00\u8fde\u63a5&#xff08;\u5982\u624b\u673a\u8fde\u63a5\u8033\u673a&#xff09;&#xff0c;\u4e5f\u652f\u6301\u4e00\u4e2a\u4e3b\u8bbe\u5907\u8fde\u63a5\u591a\u4e2a\u4ece\u8bbe\u5907&#xff08;\u5982\u624b\u673a\u540c\u65f6\u8fde\u63a5\u624b\u73af\u548c\u667a\u80fd\u624b\u8868&#xff09;\u3002<\/li>\n<li>\u5168\u7403\u901a\u7528&#xff1a;\u5de5\u4f5c\u5728 2.4 GHz ISM \u9891\u6bb5&#xff0c;\u8be5\u9891\u6bb5\u5728\u5168\u7403\u8303\u56f4\u5185\u57fa\u672c\u65e0\u9700\u8bb8\u53ef\u8bc1\u5373\u53ef\u4f7f\u7528\u3002<\/li>\n<li>\u5b89\u5168\u8ba4\u8bc1\u4e0e\u52a0\u5bc6&#xff1a;\u63d0\u4f9b\u8ba4\u8bc1\u548c\u52a0\u5bc6\u673a\u5236&#xff0c;\u4fdd\u969c\u901a\u4fe1\u5b89\u5168\u3002<\/li>\n<h3>4\u3001\u4e3b\u8981\u5e94\u7528\u573a\u666f<\/h3>\n<p>\u84dd\u7259\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u8bbe\u5907\u548c\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u97f3\u9891\u4f20\u8f93&#xff1a;\u65e0\u7ebf\u8033\u673a\u3001\u626c\u58f0\u5668\u3001\u8f66\u8f7d\u514d\u63d0\u7cfb\u7edf\u3002<\/li>\n<li>\u6570\u636e\u4f20\u8f93&#xff1a;\u6587\u4ef6\u4f20\u8f93&#xff08;\u5982\u65e7\u624b\u673a\u4e92\u4f20&#xff09;\u3001\u6253\u5370&#xff08;\u65e0\u7ebf\u6253\u5370\u673a&#xff09;\u3002<\/li>\n<li>\u8f93\u5165\u8bbe\u5907&#xff1a;\u65e0\u7ebf\u952e\u76d8\u3001\u9f20\u6807\u3001\u6e38\u620f\u624b\u67c4\u3002<\/li>\n<li>\u7f51\u7edc\u63a5\u5165&#xff1a;\u901a\u8fc7\u624b\u673a\u84dd\u7259\u5171\u4eab\u7f51\u7edc\u7ed9\u7535\u8111&#xff08;\u4e2a\u4eba\u5c40\u57df\u7f51&#xff09;\u3002<\/li>\n<li>\u7269\u8054\u7f51&#xff1a;\u8fde\u63a5\u5404\u79cd\u667a\u80fd\u8bbe\u5907&#xff0c;\u5982\u667a\u80fd\u5bb6\u5c45&#xff08;\u706f\u6ce1\u3001\u95e8\u9501&#xff09;\u3001\u5065\u5eb7\u76d1\u6d4b\u8bbe\u5907&#xff08;\u5fc3\u7387\u5e26\u3001\u8840\u538b\u8ba1&#xff09;\u3002<\/li>\n<li>\u4f4d\u7f6e\u670d\u52a1&#xff1a;\u57fa\u4e8e\u84dd\u7259\u4fe1\u53f7\u5f3a\u5ea6\u7684\u5ba4\u5185\u5b9a\u4f4d\u3001\u7269\u54c1\u8ffd\u8e2a\u3002<\/li>\n<\/ul>\n<h3>5\u3001\u6280\u672f\u6f14\u8fdb<\/h3>\n<p>\u84dd\u7259\u6280\u672f\u4e0d\u65ad\u53d1\u5c55&#xff0c;\u4ece\u65e9\u671f\u7684\u7ecf\u5178\u84dd\u7259\u5230\u73b0\u5728\u7684\u4f4e\u529f\u8017\u84dd\u7259&#xff0c;\u7248\u672c\u4e0d\u65ad\u66f4\u65b0&#xff08;\u5982\u84dd\u7259 4.0, 5.0, 5.1, 5.2, 5.3, 5.4&#xff09;&#xff0c;\u5728\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u901a\u4fe1\u8ddd\u79bb\u3001\u529f\u8017\u63a7\u5236\u3001\u8fde\u63a5\u7a33\u5b9a\u6027\u3001\u5b9a\u4f4d\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\u7b49\u65b9\u9762\u6301\u7eed\u63d0\u5347\u3002<\/p>\n<h2>\u4e09\u3001ESP-IDF\u8be6\u89e3<\/h2>\n<h3>1\u3001ESP32 \u6982\u8ff0<\/h3>\n<p>ESP32 \u662f\u7531\u4e50\u946b\u79d1\u6280&#xff08;Espressif Systems&#xff09;\u63a8\u51fa\u7684\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u3001\u9ad8\u96c6\u6210\u5ea6\u7684 Wi-Fi &amp; \u84dd\u7259\u53cc\u6a21\u7cfb\u7edf\u7ea7\u82af\u7247&#xff08;SoC&#xff09;\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51&#xff08;IoT&#xff09;\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u63a7\u5236\u7b49\u9886\u57df\u3002\u5176\u5173\u952e\u7279\u6027\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u53cc\u6838\u5904\u7406\u5668&#xff08;\u901a\u5e38\u4e3a Xtensa LX6&#xff0c;\u67d0\u4e9b\u578b\u53f7\u4e3a RISC-V&#xff09;<\/li>\n<li>\u96c6\u6210 Wi-Fi (802.11 b\/g\/n) \u548c\u84dd\u7259 (\u5305\u62ec\u7ecf\u5178\u84dd\u7259\u548c\u4f4e\u529f\u8017\u84dd\u7259 BLE)<\/li>\n<li>\u4e30\u5bcc\u7684\u5916\u8bbe\u63a5\u53e3&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         S<\/p>\n<p>         P<\/p>\n<p>         I<\/p>\n<p>        SPI<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">SP<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         I<\/p>\n<p>         2<\/p>\n<p>         C<\/p>\n<p>        I2C<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         I<\/p>\n<p>         2<\/p>\n<p>         S<\/p>\n<p>        I2S<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0576em\">S<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         U<\/p>\n<p>         A<\/p>\n<p>         R<\/p>\n<p>         T<\/p>\n<p>        UART<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">U<\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">RT<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         A<\/p>\n<p>         D<\/p>\n<p>         C<\/p>\n<p>        ADC<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         D<\/p>\n<p>         A<\/p>\n<p>         C<\/p>\n<p>        DAC<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         P<\/p>\n<p>         W<\/p>\n<p>         M<\/p>\n<p>        PWM<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">P<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">W<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">M<\/span><\/span><\/span><\/span><\/span>, \u89e6\u6478\u4f20\u611f\u5668\u7b49<\/li>\n<li>\u5145\u8db3\u7684\u5185\u5b58&#xff08;RAM \u548c Flash \u9009\u9879\u591a\u6837&#xff09;<\/li>\n<li>\u5f3a\u5927\u7684\u5b89\u5168\u7279\u6027&#xff08;\u5982\u52a0\u5bc6\u52a0\u901f\u5668&#xff09;<\/li>\n<li>\u8d85\u4f4e\u529f\u8017\u8bbe\u8ba1&#xff0c;\u652f\u6301\u591a\u79cd\u4f11\u7720\u6a21\u5f0f<\/li>\n<\/ul>\n<h3>2\u3001 ESP-IDF \u8be6\u89e3<\/h3>\n<p>ESP-IDF (Espressif IoT Development Framework) \u662f\u4e50\u946b\u5b98\u65b9\u4e3a ESP32\u3001ESP32-S \u7cfb\u5217\u3001ESP32-C \u7cfb\u5217\u7b49\u82af\u7247\u63d0\u4f9b\u7684\u5f00\u53d1\u6846\u67b6\u548c SDK&#xff08;\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305&#xff09;\u3002\u5b83\u662f\u5f00\u53d1\u57fa\u4e8e ESP32 \u82af\u7247\u5e94\u7528\u7a0b\u5e8f\u7684\u9996\u9009\u548c\u5b98\u65b9\u63a8\u8350\u5de5\u5177\u3002<\/p>\n<h4>2.1 \u3001ESP-IDF \u7684\u6838\u5fc3\u7ec4\u4ef6\u4e0e\u67b6\u6784<\/h4>\n<p>ESP-IDF \u662f\u4e00\u4e2a\u5206\u5c42\u3001\u6a21\u5757\u5316\u7684\u6846\u67b6&#xff1a;<\/p>\n<ul>\n<li>\u786c\u4ef6\u62bd\u8c61\u5c42 (HAL)&#xff1a; \u63d0\u4f9b\u5bf9\u82af\u7247\u786c\u4ef6\u8d44\u6e90&#xff08;\u5982 GPIO\u3001UART\u3001SPI\u3001I2C\u3001\u5b9a\u65f6\u5668\u3001ADC\u3001DAC\u3001RTC\u3001Wi-Fi\u3001\u84dd\u7259\u7b49&#xff09;\u8fdb\u884c\u64cd\u4f5c\u7684\u7edf\u4e00\u63a5\u53e3&#xff0c;\u5c4f\u853d\u5e95\u5c42\u786c\u4ef6\u7ec6\u8282\u3002<\/li>\n<li>\u9a71\u52a8 (Drivers)&#xff1a; \u5728 HAL \u4e4b\u4e0a&#xff0c;\u63d0\u4f9b\u66f4\u6613\u7528\u3001\u529f\u80fd\u66f4\u4e30\u5bcc\u7684\u8bbe\u5907\u9a71\u52a8&#xff08;\u5982 SPI Flash \u9a71\u52a8\u3001SD \u5361\u9a71\u52a8\u3001\u4ee5\u592a\u7f51\u9a71\u52a8\u7b49&#xff09;\u3002<\/li>\n<li>FreeRTOS&#xff1a; ESP-IDF \u6df1\u5ea6\u96c6\u6210\u4e86\u5f00\u6e90\u7684 FreeRTOS \u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u3002\u5b83\u63d0\u4f9b\u4e86\u4efb\u52a1\u7ba1\u7406\u3001\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u3001\u8f6f\u4ef6\u5b9a\u65f6\u5668\u3001\u4e2d\u65ad\u7ba1\u7406\u7b49\u673a\u5236&#xff0c;\u5145\u5206\u5229\u7528 ESP32 \u7684\u591a\u6838\u7279\u6027&#xff08;\u4efb\u52a1\u53ef\u4ee5\u5728\u4e0d\u540c\u6838\u5fc3\u4e0a\u8fd0\u884c&#xff09;\u3002<\/li>\n<li>\u4e2d\u95f4\u4ef6&#xff1a;\n<ul>\n<li>Wi-Fi \u534f\u8bae\u6808&#xff1a; \u5b9e\u73b0 Wi-Fi \u7684 Station&#xff08;\u5ba2\u6237\u7aef&#xff09;\u3001SoftAP&#xff08;\u63a5\u5165\u70b9&#xff09;\u3001Promiscuous&#xff08;\u76d1\u542c&#xff09;\u6a21\u5f0f\u3002<\/li>\n<li>\u84dd\u7259\u534f\u8bae\u6808&#xff1a; \u5b9e\u73b0\u7ecf\u5178\u84dd\u7259\u548c\u4f4e\u529f\u8017\u84dd\u7259 (BLE) \u7684\u5404\u79cd\u89d2\u8272&#xff08;\u5982 GATT Client\/Server, GAP Central\/Peripheral&#xff09;\u3002<\/li>\n<li>TCP\/IP \u534f\u8bae\u6808 (lwIP)&#xff1a; \u8f7b\u91cf\u7ea7\u7684 TCP\/IP \u534f\u8bae\u6808&#xff0c;\u652f\u6301 IPv4\/IPv6 (\u90e8\u5206\u578b\u53f7)\u3001DHCP\u3001DNS\u3001Socket API \u7b49\u3002<\/li>\n<li>\u6587\u4ef6\u7cfb\u7edf (FATFS\/VFS)&#xff1a; \u652f\u6301\u5728 SPI Flash \u6216\u5916\u90e8\u5b58\u50a8\u8bbe\u5907\u4e0a\u4f7f\u7528 FAT \u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<li>\u52a0\u5bc6\u5e93&#xff1a; \u63d0\u4f9b AES\u3001SHA\u3001RSA \u7b49\u52a0\u5bc6\u7b97\u6cd5\u7684\u8f6f\u4ef6\u548c\u786c\u4ef6\u52a0\u901f\u5b9e\u73b0\u3002<\/li>\n<li>HTTP\/WebSocket\/MQTT \u7b49\u534f\u8bae\u5e93&#xff1a; \u65b9\u4fbf\u6784\u5efa\u7f51\u7edc\u5e94\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f&#xff1a; \u7528\u6237\u7f16\u5199\u7684\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801&#xff0c;\u8fd0\u884c\u5728 FreeRTOS \u7684\u4efb\u52a1\u4e2d&#xff0c;\u901a\u8fc7\u8c03\u7528\u4e0b\u5c42 API \u5b9e\u73b0\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h4>2.2 \u3001ESP-IDF \u5f00\u53d1\u73af\u5883\u4e0e\u5de5\u5177\u94fe<\/h4>\n<ul>\n<li>\u5de5\u5177\u94fe&#xff1a; \u57fa\u4e8e GNU GCC \u7f16\u8bd1\u5668&#xff08;\u9488\u5bf9 Xtensa \u6216 RISC-V \u67b6\u6784&#xff09;\u3002<\/li>\n<li>\u6784\u5efa\u7cfb\u7edf&#xff1a; \u4f7f\u7528 CMake&#xff08;\u65e9\u671f\u7248\u672c\u4f7f\u7528 GNU Make&#xff09;\u3002\u5f00\u53d1\u8005\u7f16\u5199 CMakeLists.txt \u6587\u4ef6\u6765\u5b9a\u4e49\u9879\u76ee\u7ed3\u6784\u3001\u6e90\u6587\u4ef6\u3001\u4f9d\u8d56\u7ec4\u4ef6\u7b49\u3002<\/li>\n<li>\u914d\u7f6e\u5de5\u5177&#xff1a; menuconfig\u3002\u8fd9\u662f\u4e00\u4e2a\u57fa\u4e8e\u6587\u672c\u7684\u56fe\u5f62\u5316\u914d\u7f6e\u5de5\u5177&#xff08;\u7c7b\u4f3c\u4e8e Linux Kernel \u7684 make menuconfig&#xff09;&#xff0c;\u7528\u4e8e\u914d\u7f6e ESP-IDF \u7684\u4f17\u591a\u9009\u9879&#xff0c;\u5982&#xff1a;\n<ul>\n<li>\u9009\u62e9\u76ee\u6807\u82af\u7247\u578b\u53f7<\/li>\n<li>\u914d\u7f6e Wi-Fi\/BT \u53c2\u6570<\/li>\n<li>\u8c03\u6574 FreeRTOS \u8bbe\u7f6e&#xff08;\u4efb\u52a1\u6808\u5927\u5c0f\u3001\u4f18\u5148\u7ea7\u7b49&#xff09;<\/li>\n<li>\u914d\u7f6e\u65e5\u5fd7\u8f93\u51fa\u7ea7\u522b\u548c\u65b9\u5f0f<\/li>\n<li>\u914d\u7f6e\u5185\u5b58\u5e03\u5c40<\/li>\n<li>\u542f\u7528\/\u7981\u7528\u7279\u5b9a\u529f\u80fd\u548c\u5916\u8bbe\u9a71\u52a8<\/li>\n<\/ul>\n<\/li>\n<li>\u6838\u5fc3\u5de5\u5177 &#8211; idf.py&#xff1a; \u8fd9\u662f ESP-IDF \u63d0\u4f9b\u7684\u547d\u4ee4\u884c\u5de5\u5177&#xff0c;\u7528\u4e8e\u6267\u884c\u6784\u5efa\u3001\u70e7\u5f55\u3001\u8c03\u8bd5\u3001\u76d1\u89c6\u4e32\u53e3\u8f93\u51fa\u7b49\u51e0\u4e4e\u6240\u6709\u5f00\u53d1\u4efb\u52a1\u3002\u5e38\u7528\u547d\u4ee4\u5982&#xff1a;\n<ul>\n<li>idf.py set-target esp32 (\u8bbe\u7f6e\u76ee\u6807\u82af\u7247)<\/li>\n<li>idf.py menuconfig (\u542f\u52a8\u914d\u7f6e\u5de5\u5177)<\/li>\n<li>idf.py build (\u7f16\u8bd1\u9879\u76ee)<\/li>\n<li>idf.py -p PORT flash (\u70e7\u5f55\u56fa\u4ef6\u5230\u8bbe\u5907&#xff0c;PORT \u4e3a\u4e32\u53e3&#xff0c;\u5982 COM3 \u6216 \/dev\/ttyUSB0)<\/li>\n<li>idf.py -p PORT monitor (\u542f\u52a8\u4e32\u53e3\u76d1\u89c6\u5668&#xff0c;\u67e5\u770b\u8bbe\u5907\u65e5\u5fd7\u8f93\u51fa)<\/li>\n<li>idf.py fullclean (\u5f7b\u5e95\u6e05\u7406\u6784\u5efa\u76ee\u5f55)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>2.3 \u3001ESP-IDF \u5f00\u53d1\u6d41\u7a0b\u7b80\u8ff0<\/h4>\n<li>\u73af\u5883\u642d\u5efa&#xff1a; \u5728 Windows\u3001Linux \u6216 macOS \u4e0a\u5b89\u88c5 ESP-IDF \u5f00\u53d1\u73af\u5883&#xff08;\u5305\u62ec\u5de5\u5177\u94fe\u3001Python\u3001Git \u7b49&#xff09;\u3002<\/li>\n<li>\u521b\u5efa\u9879\u76ee&#xff1a; \u4f7f\u7528 idf.py create-project \u6216\u590d\u5236\u793a\u4f8b\u9879\u76ee\u6a21\u677f\u3002<\/li>\n<li>\u7f16\u5199\u4ee3\u7801&#xff1a; \u5728 main \u76ee\u5f55\u4e0b\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801 (\u901a\u5e38\u662f main.c \u6216 app_main() \u51fd\u6570)\u3002<\/li>\n<li>\u914d\u7f6e\u9879\u76ee&#xff1a; \u8fd0\u884c idf.py menuconfig \u6839\u636e\u9700\u6c42\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<li>\u7f16\u8bd1\u9879\u76ee&#xff1a; \u8fd0\u884c idf.py build \u751f\u6210\u53ef\u6267\u884c\u56fa\u4ef6 (.bin \u6587\u4ef6)\u3002<\/li>\n<li>\u70e7\u5f55\u56fa\u4ef6&#xff1a; \u5c06 ESP32 \u5f00\u53d1\u677f\u8fde\u63a5\u5230\u7535\u8111&#xff0c;\u8fd0\u884c idf.py -p PORT flash \u5c06\u56fa\u4ef6\u70e7\u5f55\u5230\u8bbe\u5907 Flash \u4e2d\u3002<\/li>\n<li>\u76d1\u89c6\u8f93\u51fa&#xff1a; \u8fd0\u884c idf.py -p PORT monitor \u67e5\u770b\u8bbe\u5907\u8fd0\u884c\u65e5\u5fd7&#xff0c;\u8fdb\u884c\u8c03\u8bd5\u3002\u53ef\u4ee5\u4f7f\u7528 ESP_LOGx (\u5982 ESP_LOGI, ESP_LOGE) \u51fd\u6570\u6253\u5370\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7\u3002<\/li>\n<h4>2.4\u3001 \u793a\u4f8b\u4ee3\u7801\u7ed3\u6784 (\u6700\u7b80\u5355\u7684 Hello World)<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/FreeRTOS.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/task.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_log.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>TAG <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;MAIN&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">app_main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Hello World!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6253\u5370 Info \u7ea7\u522b\u65e5\u5fd7<\/span><br \/>\n        <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">pdMS_TO_TICKS<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5ef6\u65f6 1000 \u6beb\u79d2 (FreeRTOS \u5ef6\u65f6)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.5\u3001 \u4f18\u52bf\u4e0e\u7279\u70b9<\/h4>\n<ul>\n<li>\u5b98\u65b9\u652f\u6301&#xff1a; \u7531\u82af\u7247\u539f\u5382\u7ef4\u62a4&#xff0c;\u66f4\u65b0\u53ca\u65f6&#xff0c;\u4e0e\u65b0\u82af\u7247\u7279\u6027\u540c\u6b65\u5feb\u3002<\/li>\n<li>\u529f\u80fd\u5168\u9762&#xff1a; \u63d0\u4f9b\u5bf9 ESP32 \u6240\u6709\u786c\u4ef6\u7279\u6027\u548c\u5916\u8bbe\u7684\u5e95\u5c42\u8bbf\u95ee\u3002<\/li>\n<li>\u6027\u80fd\u4f18\u5316&#xff1a; \u9488\u5bf9 ESP32 \u786c\u4ef6\u8fdb\u884c\u4e86\u6df1\u5ea6\u4f18\u5316&#xff08;\u5982 Wi-Fi\/BT \u5171\u5b58&#xff09;\u3002<\/li>\n<li>\u7a33\u5b9a\u6027\u9ad8&#xff1a; \u7ecf\u8fc7\u5927\u91cf\u5546\u4e1a\u4ea7\u54c1\u9a8c\u8bc1\u3002<\/li>\n<li>\u793e\u533a\u6d3b\u8dc3&#xff1a; \u7528\u6237\u591a&#xff0c;\u793e\u533a\u652f\u6301\u597d&#xff0c;\u95ee\u9898\u5bb9\u6613\u627e\u5230\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<li>\u6587\u6863\u5b8c\u5584&#xff1a; \u5b98\u65b9\u63d0\u4f9b\u8be6\u5c3d\u7684 API \u53c2\u8003\u6307\u5357\u3001\u7f16\u7a0b\u6307\u5357\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/li>\n<li>\u6a21\u5757\u5316&#xff1a; \u6613\u4e8e\u6269\u5c55\u548c\u590d\u7528\u4ee3\u7801&#xff0c;\u65b9\u4fbf\u7ba1\u7406\u5927\u578b\u9879\u76ee\u3002<\/li>\n<li>\u5f00\u6e90\u514d\u8d39&#xff1a; \u57fa\u4e8e Apache 2.0 \u8bb8\u53ef\u8bc1\u3002<\/li>\n<\/ul>\n<h4>2.6 \u3001\u9002\u7528\u573a\u666f<\/h4>\n<p>ESP-IDF \u9002\u7528\u4e8e\u9700\u8981\u6df1\u5ea6\u63a7\u5236\u786c\u4ef6\u3001\u8ffd\u6c42\u9ad8\u6027\u80fd\u3001\u9ad8\u7a33\u5b9a\u6027\u6216\u9700\u8981\u4f7f\u7528 ESP32 \u7279\u6709\u529f\u80fd&#xff08;\u5982\u8d85\u4f4e\u529f\u8017\u534f\u5904\u7406\u5668 ULP&#xff09;\u7684\u5e94\u7528\u5f00\u53d1\u3002\u5bf9\u4e8e\u5feb\u901f\u539f\u578b\u5f00\u53d1&#xff0c;\u4e5f\u53ef\u4ee5\u8003\u8651\u57fa\u4e8e ESP-IDF \u6784\u5efa\u7684\u66f4\u9ad8\u7ea7\u6846\u67b6&#xff08;\u5982 Arduino for ESP32\u3001MicroPython&#xff09;&#xff0c;\u4f46\u8fd9\u4e9b\u6846\u67b6\u6700\u7ec8\u90fd\u4f9d\u8d56\u4e8e ESP-IDF \u7684\u5e95\u5c42\u529f\u80fd\u3002<\/p>\n<h3>3\u3001\u603b\u7ed3<\/h3>\n<p>ESP-IDF \u662f\u5f00\u53d1 ESP32 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