{"id":43176,"date":"2025-06-11T08:56:02","date_gmt":"2025-06-11T00:56:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/43176.html"},"modified":"2025-06-11T08:56:02","modified_gmt":"2025-06-11T00:56:02","slug":"stm32-hal%e5%ba%93spi%e8%af%bb%e5%86%99w25q128%ef%bc%88%e8%bd%af%e4%bb%b6%e6%a8%a1%e6%8b%9f%e7%a1%ac%e4%bb%b6spi","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/43176.html","title":{"rendered":"STM32 HAL\u5e93SPI\u8bfb\u5199W25Q128\uff08\u8f6f\u4ef6\u6a21\u62df+\u786c\u4ef6spi)"},"content":{"rendered":"

1. \u5f15\u8a00<\/h4>\n

\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d，SPI（Serial Peripheral Interface）\u603b\u7ebf\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae，\u7528\u4e8e\u5728\u5fae\u63a7\u5236\u5668\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002W25Q128 \u662f\u4e00\u6b3e\u5e38\u89c1\u7684 SPI Flash \u82af\u7247，\u5177\u6709 128Mbit（16MB）\u7684\u5b58\u50a8\u5bb9\u91cf，\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u5b58\u50a8\u548c\u7a0b\u5e8f\u4ee3\u7801\u5b58\u50a8\u7b49\u573a\u666f\u3002STM32F407 \u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684 ARM Cortex – M4 \u5185\u6838\u5fae\u63a7\u5236\u5668，\u5b83\u652f\u6301\u786c\u4ef6 SPI \u63a5\u53e3，\u540c\u65f6\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62df SPI \u901a\u4fe1\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u57fa\u4e8e STM32F407 HAL \u5e93\u5b9e\u73b0\u8f6f\u4ef6\u6a21\u62df SPI \u548c\u786c\u4ef6 SPI \u8bfb\u5199 W25Q128 \u7684\u65b9\u6cd5\u3002<\/p>\n

2. \u786c\u4ef6\u8fde\u63a5<\/h4>\n

2.1 STM32F407 \u4e0e W25Q128 \u7684\u786c\u4ef6\u8fde\u63a5<\/h5>\n\nSTM32F407 \u5f15\u811aW25Q128 \u5f15\u811a\u529f\u80fd\u8bf4\u660e<\/tr>\n\n\n\n\n\n
PA5（SCK）<\/td>\nCLK<\/td>\nSPI \u65f6\u949f\u4fe1\u53f7<\/td>\n<\/tr>\n
PA6（MISO）<\/td>\nDO<\/td>\n\u4e3b\u8bbe\u5907\u8f93\u5165\u4ece\u8bbe\u5907\u8f93\u51fa<\/td>\n<\/tr>\n
PA7（MOSI）<\/td>\nDI<\/td>\n\u4e3b\u8bbe\u5907\u8f93\u51fa\u4ece\u8bbe\u5907\u8f93\u5165<\/td>\n<\/tr>\n
PA4（NSS）<\/td>\nCS<\/td>\n\u7247\u9009\u4fe1\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3. \u8f6f\u4ef6\u6a21\u62df SPI \u8bfb\u5199 W25Q128<\/h4>\n

3.1 \u521d\u59cb\u5316 GPIO \u5f15\u811a<\/h5>\n

\u5728\u8f6f\u4ef6\u6a21\u62df SPI \u901a\u4fe1\u4e2d，\u9700\u8981\u5c06\u76f8\u5e94\u7684 GPIO \u5f15\u811a\u914d\u7f6e\u4e3a\u8f93\u51fa\u6216\u8f93\u5165\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u521d\u59cb\u5316 GPIO \u5f15\u811a\u7684\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include "stm32f4xx_hal.h"<\/p>\n

\/\/ \u5b9a\u4e49SPI\u901a\u4fe1\u6240\u9700\u7684GPIO\u5f15\u811a
\n\/\/ \u65f6\u949f\u4fe1\u53f7\u5f15\u811a
\n#define SPI_SCK_PIN GPIO_PIN_5
\n\/\/ \u4e3b\u8bbe\u5907\u8f93\u5165\u4ece\u8bbe\u5907\u8f93\u51fa\u5f15\u811a
\n#define SPI_MISO_PIN GPIO_PIN_6
\n\/\/ \u4e3b\u8bbe\u5907\u8f93\u51fa\u4ece\u8bbe\u5907\u8f93\u5165\u5f15\u811a
\n#define SPI_MOSI_PIN GPIO_PIN_7
\n\/\/ \u7247\u9009\u4fe1\u53f7\u5f15\u811a
\n#define SPI_NSS_PIN GPIO_PIN_4
\n\/\/ \u8fd9\u4e9b\u5f15\u811a\u6240\u5728\u7684GPIO\u7aef\u53e3
\n#define SPI_GPIO_PORT GPIOA<\/p>\n

\/\/ \u521d\u59cb\u5316SPI\u901a\u4fe1\u6240\u9700\u7684GPIO\u5f15\u811a
\nvoid SPI_GPIO_Init(void) {
\n \/\/ \u5b9a\u4e49\u4e00\u4e2aGPIO\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u53d8\u91cf，\u7528\u4e8e\u914d\u7f6eGPIO\u5f15\u811a
\n GPIO_InitTypeDef GPIO_InitStruct = {0};<\/p>\n

\/\/ \u4f7f\u80fdGPIOA\u7aef\u53e3\u7684\u65f6\u949f，\u56e0\u4e3aSPI\u901a\u4fe1\u4f7f\u7528\u7684\u5f15\u811a\u4f4d\u4e8eGPIOA\u7aef\u53e3
\n __HAL_RCC_GPIOA_CLK_ENABLE();<\/p>\n

\/\/ \u914d\u7f6e\u65f6\u949f\u4fe1\u53f7\u3001\u4e3b\u8bbe\u5907\u8f93\u51fa\u4ece\u8bbe\u5907\u8f93\u5165\u548c\u7247\u9009\u4fe1\u53f7\u5f15\u811a
\n \/\/ \u5c06\u8fd9\u4e9b\u5f15\u811a\u7684\u914d\u7f6e\u4fe1\u606f\u5b58\u50a8\u5728GPIO_InitStruct\u7ed3\u6784\u4f53\u4e2d
\n GPIO_InitStruct.Pin = SPI_SCK_PIN | SPI_MOSI_PIN | SPI_NSS_PIN;
\n \/\/ \u8bbe\u7f6e\u8fd9\u4e9b\u5f15\u811a\u4e3a\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f
\n GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
\n \/\/ \u4e0d\u4f7f\u7528\u4e0a\u62c9\u6216\u4e0b\u62c9\u7535\u963b
\n GPIO_InitStruct.Pull = GPIO_NOPULL;
\n \/\/ \u8bbe\u7f6e\u5f15\u811a\u7684\u8f93\u51fa\u901f\u5ea6\u4e3a\u4f4e\u9891
\n GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
\n \/\/ \u6839\u636e\u4e0a\u8ff0\u914d\u7f6e\u4fe1\u606f\u521d\u59cb\u5316SPI_GPIO_PORT（\u5373GPIOA）\u7aef\u53e3\u7684\u76f8\u5e94\u5f15\u811a
\n HAL_GPIO_Init(SPI_GPIO_PORT, &GPIO_InitStruct);<\/p>\n

\/\/ \u914d\u7f6e\u4e3b\u8bbe\u5907\u8f93\u5165\u4ece\u8bbe\u5907\u8f93\u51fa\u5f15\u811a
\n \/\/ \u91cd\u65b0\u8bbe\u7f6e\u5f15\u811a\u4e3aSPI_MISO_PIN
\n GPIO_InitStruct.Pin = SPI_MISO_PIN;
\n \/\/ \u8bbe\u7f6e\u8be5\u5f15\u811a\u4e3a\u8f93\u5165\u6a21\u5f0f
\n GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
\n \/\/ \u4e0d\u4f7f\u7528\u4e0a\u62c9\u6216\u4e0b\u62c9\u7535\u963b
\n GPIO_InitStruct.Pull = GPIO_NOPULL;
\n \/\/ \u6839\u636e\u4e0a\u8ff0\u914d\u7f6e\u4fe1\u606f\u521d\u59cb\u5316SPI_GPIO_PORT（\u5373GPIOA）\u7aef\u53e3\u7684SPI_MISO_PIN\u5f15\u811a
\n HAL_GPIO_Init(SPI_GPIO_PORT, &GPIO_InitStruct);<\/p>\n

\/\/ \u521d\u59cb\u65f6\u5c06\u7247\u9009\u4fe1\u53f7\u5f15\u811a\u62c9\u9ad8，\u7981\u7528\u4ece\u8bbe\u5907
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_SET);
\n} <\/p>\n

3.2 \u8f6f\u4ef6\u6a21\u62df SPI \u4f4d\u64cd\u4f5c<\/h5>\n

\u5b9e\u73b0 SPI \u7684\u4f4d\u64cd\u4f5c\u51fd\u6570，\u5305\u62ec\u65f6\u949f\u4fe1\u53f7\u7684\u4ea7\u751f\u548c\u6570\u636e\u7684\u53d1\u9001\u4e0e\u63a5\u6536\u3002<\/p>\n

\/**
\n * @brief \u53d1\u9001\u4e00\u4e2aSPI\u4f4d\u6570\u636e
\n *
\n * \u6b64\u51fd\u6570\u7528\u4e8e\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62dfSPI\u534f\u8bae\u53d1\u9001\u4e00\u4e2a\u4f4d\u7684\u6570\u636e\u3002
\n * \u5b83\u9996\u5148\u5c06\u5f85\u53d1\u9001\u7684\u4f4d\u6570\u636e\u5199\u5165MOSI\u5f15\u811a，\u7136\u540e\u901a\u8fc7\u64cd\u4f5cSCK\u5f15\u811a\u4ea7\u751f\u4e00\u4e2a\u65f6\u949f\u8109\u51b2\u3002
\n *
\n * @param bit \u5f85\u53d1\u9001\u7684\u4f4d\u6570\u636e，\u53d6\u503c\u4e3a0\u62161
\n *\/
\nvoid SPI_SendBit(uint8_t bit) {
\n \/\/ \u5c06\u5f85\u53d1\u9001\u7684\u4f4d\u6570\u636e\u5199\u5165MOSI\u5f15\u811a，\u5c06bit\u5f3a\u5236\u8f6c\u6362\u4e3aGPIO_PinState\u7c7b\u578b
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_MOSI_PIN, (GPIO_PinState)bit);
\n \/\/ \u5c06SCK\u5f15\u811a\u7f6e\u9ad8，\u4ea7\u751f\u65f6\u949f\u4fe1\u53f7\u7684\u4e0a\u5347\u6cbf
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_SCK_PIN, GPIO_PIN_SET);
\n \/\/ \u5c06SCK\u5f15\u811a\u7f6e\u4f4e，\u4ea7\u751f\u65f6\u949f\u4fe1\u53f7\u7684\u4e0b\u964d\u6cbf，\u5b8c\u6210\u4e00\u4e2a\u65f6\u949f\u5468\u671f
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_SCK_PIN, GPIO_PIN_RESET);
\n}<\/p>\n

\/**
\n * @brief \u63a5\u6536\u4e00\u4e2aSPI\u4f4d\u6570\u636e
\n *
\n * \u6b64\u51fd\u6570\u7528\u4e8e\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62dfSPI\u534f\u8bae\u63a5\u6536\u4e00\u4e2a\u4f4d\u7684\u6570\u636e\u3002
\n * \u5b83\u901a\u8fc7\u64cd\u4f5cSCK\u5f15\u811a\u4ea7\u751f\u4e00\u4e2a\u65f6\u949f\u8109\u51b2，\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u65f6\u8bfb\u53d6MISO\u5f15\u811a\u7684\u6570\u636e\u3002
\n *
\n * @return uint8_t \u63a5\u6536\u5230\u7684\u4f4d\u6570\u636e，\u53d6\u503c\u4e3a0\u62161
\n *\/
\nuint8_t SPI_ReceiveBit(void) {
\n \/\/ \u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u7528\u4e8e\u5b58\u50a8\u63a5\u6536\u5230\u7684\u4f4d\u6570\u636e
\n uint8_t bit;
\n \/\/ \u5c06SCK\u5f15\u811a\u7f6e\u9ad8，\u4ea7\u751f\u65f6\u949f\u4fe1\u53f7\u7684\u4e0a\u5347\u6cbf
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_SCK_PIN, GPIO_PIN_SET);
\n \/\/ \u8bfb\u53d6MISO\u5f15\u811a\u7684\u7535\u5e73\u72b6\u6001，\u5c06\u5176\u8d4b\u503c\u7ed9bit\u53d8\u91cf
\n bit = HAL_GPIO_ReadPin(SPI_GPIO_PORT, SPI_MISO_PIN);
\n \/\/ \u5c06SCK\u5f15\u811a\u7f6e\u4f4e，\u4ea7\u751f\u65f6\u949f\u4fe1\u53f7\u7684\u4e0b\u964d\u6cbf，\u5b8c\u6210\u4e00\u4e2a\u65f6\u949f\u5468\u671f
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_SCK_PIN, GPIO_PIN_RESET);
\n \/\/ \u8fd4\u56de\u63a5\u6536\u5230\u7684\u4f4d\u6570\u636e
\n return bit;
\n} <\/p>\n

3.3 \u8f6f\u4ef6\u6a21\u62df SPI \u5b57\u8282\u64cd\u4f5c<\/h5>\n

\u57fa\u4e8e\u4f4d\u64cd\u4f5c\u51fd\u6570，\u5b9e\u73b0\u5b57\u8282\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002<\/p>\n

\/**
\n * @brief \u901a\u8fc7\u8f6f\u4ef6\u6a21\u62dfSPI\u534f\u8bae\u53d1\u9001\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e，\u5e76\u540c\u65f6\u63a5\u6536\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e
\n *
\n * \u8be5\u51fd\u6570\u4f1a\u5faa\u73af8\u6b21，\u6bcf\u6b21\u53d1\u9001\u4e00\u4f4d\u6570\u636e\u5e76\u63a5\u6536\u4e00\u4f4d\u6570\u636e，\u6700\u7ec8\u7ec4\u5408\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u5b57\u8282\u3002
\n * \u53d1\u9001\u6570\u636e\u65f6，\u4ece\u6700\u9ad8\u4f4d\u5f00\u59cb\u9010\u4f4d\u53d1\u9001；\u63a5\u6536\u6570\u636e\u65f6，\u540c\u6837\u4ece\u6700\u9ad8\u4f4d\u5f00\u59cb\u9010\u4f4d\u63a5\u6536\u5e76\u7ec4\u5408\u3002
\n *
\n * @param byte \u8981\u53d1\u9001\u7684\u5b57\u8282\u6570\u636e
\n * @return uint8_t \u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u636e
\n *\/
\nuint8_t SPI_SendByte(uint8_t byte) {
\n \/\/ \u5b9a\u4e49\u5faa\u73af\u53d8\u91cfi\u7528\u4e8e\u5faa\u73af\u53d1\u9001\u548c\u63a5\u6536\u6bcf\u4e00\u4f4d\u6570\u636e
\n \/\/ \u5b9a\u4e49\u53d8\u91cfreceived_byte\u7528\u4e8e\u5b58\u50a8\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u636e，\u521d\u59cb\u5316\u4e3a0
\n uint8_t i, received_byte = 0;
\n \/\/ \u5faa\u73af8\u6b21，\u56e0\u4e3a\u4e00\u4e2a\u5b57\u8282\u67098\u4f4d
\n for (i = 0; i < 8; i++) {
\n \/\/ \u53d1\u9001\u5f53\u524d\u4f4d\u7684\u6570\u636e
\n \/\/ (byte >> (7 – i))\u5c06byte\u53f3\u79fb(7 – i)\u4f4d，\u4f7f\u5f97\u8981\u53d1\u9001\u7684\u4f4d\u79fb\u52a8\u5230\u6700\u4f4e\u4f4d
\n \/\/ & 0x01\u5c06\u8be5\u4f4d\u4e0e1\u8fdb\u884c\u6309\u4f4d\u4e0e\u64cd\u4f5c，\u63d0\u53d6\u51fa\u8be5\u4f4d\u7684\u503c
\n \/\/ \u8c03\u7528SPI_SendBit\u51fd\u6570\u53d1\u9001\u8be5\u4f4d
\n SPI_SendBit((byte >> (7 – i)) & 0x01);
\n \/\/ \u63a5\u6536\u4e00\u4f4d\u6570\u636e\u5e76\u7ec4\u5408\u5230received_byte\u4e2d
\n \/\/ \u8c03\u7528SPI_ReceiveBit\u51fd\u6570\u63a5\u6536\u4e00\u4f4d\u6570\u636e
\n \/\/ \u5c06\u63a5\u6536\u5230\u7684\u4f4d\u5de6\u79fb(7 – i)\u4f4d，\u79fb\u52a8\u5230\u5408\u9002\u7684\u4f4d\u7f6e
\n \/\/ \u7136\u540e\u4e0ereceived_byte\u8fdb\u884c\u6309\u4f4d\u6216\u64cd\u4f5c，\u5c06\u8be5\u4f4d\u7ec4\u5408\u5230received_byte\u4e2d
\n received_byte |= (SPI_ReceiveBit() << (7 – i));
\n }
\n \/\/ \u8fd4\u56de\u63a5\u6536\u5230\u7684\u5b8c\u6574\u5b57\u8282\u6570\u636e
\n return received_byte;
\n} <\/p>\n

3.4 \u8bfb\u5199 W25Q128 \u51fd\u6570<\/h5>\n

\u5b9e\u73b0\u5bf9 W25Q128 \u7684\u8bfb\u5199\u64cd\u4f5c，\u5305\u62ec\u8bfb\u53d6\u8bbe\u5907 ID\u3001\u5199\u4f7f\u80fd\u3001\u64e6\u9664\u6247\u533a\u548c\u5199\u5165\u6570\u636e\u7b49\u529f\u80fd\u3002<\/p>\n

\/**
\n * @brief \u8bfb\u53d6W25Q128\u7684\u8bbe\u5907ID
\n *
\n * \u8be5\u51fd\u6570\u901a\u8fc7SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u8bfb\u53d6\u8bbe\u5907ID\u7684\u547d\u4ee4，\u7136\u540e\u63a5\u6536\u5e76\u8fd4\u56de\u8bbe\u5907ID\u3002
\n *
\n * @return uint16_t \u8bfb\u53d6\u5230\u7684W25Q128\u8bbe\u5907ID
\n *\/
\nuint16_t W25Q128_ReadID(void) {
\n \/\/ \u7528\u4e8e\u5b58\u50a8\u8bfb\u53d6\u5230\u7684\u8bbe\u5907ID
\n uint16_t device_id;
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_RESET);
\n \/\/ \u53d1\u9001\u8bfb\u53d6\u8bbe\u5907ID\u7684\u547d\u4ee4\u78010x90
\n SPI_SendByte(0x90);
\n \/\/ \u53d1\u9001\u5730\u5740\u5b57\u8282，\u8fd9\u91cc\u5730\u5740\u4e3a0x000000
\n SPI_SendByte(0x00);
\n SPI_SendByte(0x00);
\n SPI_SendByte(0x00);
\n \/\/ \u5148\u63a5\u6536\u9ad88\u4f4d\u6570\u636e，\u5e76\u5de6\u79fb8\u4f4d\u5b58\u50a8\u5230device_id\u7684\u9ad88\u4f4d
\n device_id = (uint16_t)SPI_SendByte(0xFF) << 8;
\n \/\/ \u518d\u63a5\u6536\u4f4e8\u4f4d\u6570\u636e，\u5e76\u4e0edevice_id\u8fdb\u884c\u6309\u4f4d\u6216\u64cd\u4f5c，\u7ec4\u5408\u6210\u5b8c\u6574\u768416\u4f4d\u8bbe\u5907ID
\n device_id |= SPI_SendByte(0xFF);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_SET);
\n \/\/ \u8fd4\u56de\u8bfb\u53d6\u5230\u7684\u8bbe\u5907ID
\n return device_id;
\n}<\/p>\n

\/**
\n * @brief \u4f7f\u80fdW25Q128\u7684\u5199\u64cd\u4f5c
\n *
\n * \u8be5\u51fd\u6570\u901a\u8fc7SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u5199\u4f7f\u80fd\u547d\u4ee4，\u5141\u8bb8\u540e\u7eed\u7684\u5199\u64cd\u4f5c\u3002
\n *\/
\nvoid W25Q128_WriteEnable(void) {
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_RESET);
\n \/\/ \u53d1\u9001\u5199\u4f7f\u80fd\u547d\u4ee4\u78010x06
\n SPI_SendByte(0x06);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_SET);
\n}<\/p>\n

\/**
\n * @brief \u64e6\u9664W25Q128\u7684\u6307\u5b9a\u6247\u533a
\n *
\n * \u8be5\u51fd\u6570\u5148\u4f7f\u80fd\u5199\u64cd\u4f5c，\u7136\u540e\u901a\u8fc7SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u6247\u533a\u64e6\u9664\u547d\u4ee4\u548c\u6247\u533a\u5730\u5740，\u5b8c\u6210\u6247\u533a\u64e6\u9664\u64cd\u4f5c\u3002
\n *
\n * @param sector_address \u8981\u64e6\u9664\u7684\u6247\u533a\u5730\u5740
\n *\/
\nvoid W25Q128_SectorErase(uint32_t sector_address) {
\n \/\/ \u4f7f\u80fd\u5199\u64cd\u4f5c，\u5141\u8bb8\u540e\u7eed\u7684\u64e6\u9664\u64cd\u4f5c
\n W25Q128_WriteEnable();
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_RESET);
\n \/\/ \u53d1\u9001\u6247\u533a\u64e6\u9664\u547d\u4ee4\u78010x20
\n SPI_SendByte(0x20);
\n \/\/ \u53d1\u9001\u6247\u533a\u5730\u5740\u7684\u9ad88\u4f4d
\n SPI_SendByte((sector_address >> 16) & 0xFF);
\n \/\/ \u53d1\u9001\u6247\u533a\u5730\u5740\u7684\u4e2d\u95f48\u4f4d
\n SPI_SendByte((sector_address >> 8) & 0xFF);
\n \/\/ \u53d1\u9001\u6247\u533a\u5730\u5740\u7684\u4f4e8\u4f4d
\n SPI_SendByte(sector_address & 0xFF);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_SET);
\n}<\/p>\n

\/**
\n * @brief \u5411W25Q128\u7684\u6307\u5b9a\u5730\u5740\u5199\u5165\u6570\u636e
\n *
\n * \u8be5\u51fd\u6570\u5148\u4f7f\u80fd\u5199\u64cd\u4f5c，\u7136\u540e\u901a\u8fc7SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u9875\u7f16\u7a0b\u547d\u4ee4\u548c\u5199\u5165\u5730\u5740，\u6700\u540e\u5c06\u6570\u636e\u9010\u5b57\u8282\u5199\u5165\u3002
\n *
\n * @param address \u5199\u5165\u6570\u636e\u7684\u8d77\u59cb\u5730\u5740
\n * @param data \u8981\u5199\u5165\u7684\u6570\u636e\u6570\u7ec4
\n * @param length \u8981\u5199\u5165\u7684\u6570\u636e\u957f\u5ea6
\n *\/
\nvoid W25Q128_PageProgram(uint32_t address, uint8_t *data, uint16_t length) {
\n \/\/ \u4f7f\u80fd\u5199\u64cd\u4f5c，\u5141\u8bb8\u540e\u7eed\u7684\u5199\u5165\u64cd\u4f5c
\n W25Q128_WriteEnable();
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_RESET);
\n \/\/ \u53d1\u9001\u9875\u7f16\u7a0b\u547d\u4ee4\u78010x02
\n SPI_SendByte(0x02);
\n \/\/ \u53d1\u9001\u5199\u5165\u5730\u5740\u7684\u9ad88\u4f4d
\n SPI_SendByte((address >> 16) & 0xFF);
\n \/\/ \u53d1\u9001\u5199\u5165\u5730\u5740\u7684\u4e2d\u95f48\u4f4d
\n SPI_SendByte((address >> 8) & 0xFF);
\n \/\/ \u53d1\u9001\u5199\u5165\u5730\u5740\u7684\u4f4e8\u4f4d
\n SPI_SendByte(address & 0xFF);
\n \/\/ \u5faa\u73af\u5c06\u6570\u636e\u9010\u5b57\u8282\u5199\u5165W25Q128
\n for (uint16_t i = 0; i < length; i++) {
\n SPI_SendByte(data[i]);
\n }
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_SET);
\n}<\/p>\n

\/**
\n * @brief \u4eceW25Q128\u7684\u6307\u5b9a\u5730\u5740\u8bfb\u53d6\u6570\u636e
\n *
\n * \u8be5\u51fd\u6570\u901a\u8fc7SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u8bfb\u53d6\u6570\u636e\u547d\u4ee4\u548c\u8bfb\u53d6\u5730\u5740，\u7136\u540e\u5c06\u6570\u636e\u9010\u5b57\u8282\u8bfb\u53d6\u5230\u6307\u5b9a\u6570\u7ec4\u4e2d\u3002
\n *
\n * @param address \u8bfb\u53d6\u6570\u636e\u7684\u8d77\u59cb\u5730\u5740
\n * @param data \u7528\u4e8e\u5b58\u50a8\u8bfb\u53d6\u6570\u636e\u7684\u6570\u7ec4
\n * @param length \u8981\u8bfb\u53d6\u7684\u6570\u636e\u957f\u5ea6
\n *\/
\nvoid W25Q128_ReadData(uint32_t address, uint8_t *data, uint16_t length) {
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_RESET);
\n \/\/ \u53d1\u9001\u8bfb\u53d6\u6570\u636e\u547d\u4ee4\u78010x03
\n SPI_SendByte(0x03);
\n \/\/ \u53d1\u9001\u8bfb\u53d6\u5730\u5740\u7684\u9ad88\u4f4d
\n SPI_SendByte((address >> 16) & 0xFF);
\n \/\/ \u53d1\u9001\u8bfb\u53d6\u5730\u5740\u7684\u4e2d\u95f48\u4f4d
\n SPI_SendByte((address >> 8) & 0xFF);
\n \/\/ \u53d1\u9001\u8bfb\u53d6\u5730\u5740\u7684\u4f4e8\u4f4d
\n SPI_SendByte(address & 0xFF);
\n \/\/ \u5faa\u73af\u5c06\u6570\u636e\u9010\u5b57\u8282\u4eceW25Q128\u8bfb\u53d6\u5230data\u6570\u7ec4\u4e2d
\n for (uint16_t i = 0; i < length; i++) {
\n data[i] = SPI_SendByte(0xFF);
\n }
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128
\n HAL_GPIO_WritePin(SPI_GPIO_PORT, SPI_NSS_PIN, GPIO_PIN_SET);
\n} <\/p>\n

4. \u786c\u4ef6 SPI \u8bfb\u5199 W25Q128<\/h4>\n

4.1 \u521d\u59cb\u5316\u786c\u4ef6 SPI<\/h5>\n

\u4f7f\u7528 STM32F407 \u7684\u786c\u4ef6 SPI \u63a5\u53e3\u8fdb\u884c\u901a\u4fe1，\u9700\u8981\u521d\u59cb\u5316 SPI \u5916\u8bbe\u3002<\/p>\n

\/\/ \u5b9a\u4e49\u4e00\u4e2aSPI\u53e5\u67c4\u7ed3\u6784\u4f53\u53d8\u91cf，\u7528\u4e8e\u914d\u7f6e\u548c\u64cd\u4f5cSPI1\u5916\u8bbe
\nSPI_HandleTypeDef hspi1;<\/p>\n

\/**
\n * @brief \u521d\u59cb\u5316SPI1\u5916\u8bbe
\n *
\n * \u6b64\u51fd\u6570\u7528\u4e8e\u5bf9SPI1\u5916\u8bbe\u8fdb\u884c\u914d\u7f6e，\u8bbe\u7f6e\u5176\u5de5\u4f5c\u6a21\u5f0f\u3001\u6570\u636e\u65b9\u5411\u3001\u6570\u636e\u5927\u5c0f\u7b49\u53c2\u6570，
\n * \u5e76\u8c03\u7528HAL\u5e93\u7684\u521d\u59cb\u5316\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316\u3002\u82e5\u521d\u59cb\u5316\u5931\u8d25，\u8c03\u7528\u9519\u8bef\u5904\u7406\u51fd\u6570\u3002
\n *\/
\nvoid SPI1_Init(void) {
\n \/\/ \u6307\u5b9a\u4f7f\u7528\u7684SPI\u5916\u8bbe\u5b9e\u4f8b\u4e3aSPI1
\n hspi1.Instance = SPI1;
\n \/\/ \u8bbe\u7f6eSPI\u5de5\u4f5c\u6a21\u5f0f\u4e3a\u4e3b\u6a21\u5f0f，\u5373STM32\u4f5c\u4e3a\u4e3b\u8bbe\u5907\u63a7\u5236\u901a\u4fe1
\n hspi1.Init.Mode = SPI_MODE_MASTER;
\n \/\/ \u8bbe\u7f6eSPI\u6570\u636e\u4f20\u8f93\u65b9\u5411\u4e3a\u53cc\u7ebf\u6a21\u5f0f，\u5373\u540c\u65f6\u652f\u6301\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e
\n hspi1.Init.Direction = SPI_DIRECTION_2LINES;
\n \/\/ \u8bbe\u7f6eSPI\u6570\u636e\u4f20\u8f93\u5927\u5c0f\u4e3a8\u4f4d，\u5373\u6bcf\u6b21\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e
\n hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
\n \/\/ \u8bbe\u7f6eSPI\u65f6\u949f\u6781\u6027\u4e3a\u4f4e\u7535\u5e73，\u5373\u7a7a\u95f2\u72b6\u6001\u4e0b\u65f6\u949f\u4fe1\u53f7\u4e3a\u4f4e\u7535\u5e73
\n hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
\n \/\/ \u8bbe\u7f6eSPI\u65f6\u949f\u76f8\u4f4d\u4e3a\u7b2c\u4e00\u4e2a\u8fb9\u6cbf\u91c7\u6837\u6570\u636e，\u5373\u6570\u636e\u5728\u65f6\u949f\u4fe1\u53f7\u7684\u7b2c\u4e00\u4e2a\u8fb9\u6cbf\u88ab\u91c7\u6837
\n hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
\n \/\/ \u8bbe\u7f6eSPI\u7247\u9009\u4fe1\u53f7\u4e3a\u8f6f\u4ef6\u63a7\u5236，\u5373\u901a\u8fc7\u8f6f\u4ef6\u6765\u63a7\u5236\u7247\u9009\u5f15\u811a\u7684\u7535\u5e73
\n hspi1.Init.NSS = SPI_NSS_SOFT;
\n \/\/ \u8bbe\u7f6eSPI\u6ce2\u7279\u7387\u9884\u5206\u9891\u7cfb\u6570\u4e3a256，\u7528\u4e8e\u964d\u4f4eSPI\u901a\u4fe1\u7684\u65f6\u949f\u9891\u7387
\n hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
\n \/\/ \u8bbe\u7f6eSPI\u6570\u636e\u4f20\u8f93\u7684\u4f4d\u987a\u5e8f\u4e3a\u9ad8\u4f4d\u5728\u524d，\u5373\u5148\u4f20\u8f93\u6570\u636e\u7684\u6700\u9ad8\u4f4d
\n hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
\n \/\/ \u7981\u7528SPI\u7684TI\u6a21\u5f0f，TI\u6a21\u5f0f\u901a\u5e38\u7528\u4e8e\u7279\u5b9a\u7684\u901a\u4fe1\u534f\u8bae
\n hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
\n \/\/ \u7981\u7528SPI\u7684CRC\u6821\u9a8c\u529f\u80fd，CRC\u6821\u9a8c\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u9519\u8bef\u68c0\u6d4b
\n hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
\n \/\/ \u8bbe\u7f6eCRC\u591a\u9879\u5f0f\u7684\u503c\u4e3a7，\u7531\u4e8eCRC\u6821\u9a8c\u5df2\u7981\u7528，\u6b64\u503c\u65e0\u5b9e\u9645\u4f5c\u7528
\n hspi1.Init.CRCPolynomial = 7;
\n \/\/ \u8c03\u7528HAL\u5e93\u7684SPI\u521d\u59cb\u5316\u51fd\u6570\u8fdb\u884cSPI1\u5916\u8bbe\u7684\u521d\u59cb\u5316
\n if (HAL_SPI_Init(&hspi1) != HAL_OK) {
\n \/\/ \u82e5\u521d\u59cb\u5316\u5931\u8d25，\u8c03\u7528\u9519\u8bef\u5904\u7406\u51fd\u6570\u8fdb\u884c\u5904\u7406
\n Error_Handler();
\n }
\n}<\/p>\n

\/**
\n * @brief SPI\u5916\u8bbe\u7684\u5e95\u5c42\u786c\u4ef6\u521d\u59cb\u5316\u51fd\u6570
\n *
\n * \u6b64\u51fd\u6570\u7528\u4e8e\u5bf9SPI\u5916\u8bbe\u6240\u4f7f\u7528\u7684GPIO\u5f15\u811a\u8fdb\u884c\u521d\u59cb\u5316\u914d\u7f6e，
\n * \u5305\u62ec\u4f7f\u80fd\u76f8\u5173\u65f6\u949f\u3001\u8bbe\u7f6e\u5f15\u811a\u6a21\u5f0f\u3001\u901f\u5ea6\u548c\u590d\u7528\u529f\u80fd\u7b49\u3002
\n *
\n * @param spiHandle \u6307\u5411SPI\u53e5\u67c4\u7ed3\u6784\u4f53\u7684\u6307\u9488，\u7528\u4e8e\u5224\u65ad\u662f\u54ea\u4e2aSPI\u5916\u8bbe
\n *\/
\nvoid HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) {
\n \/\/ \u5b9a\u4e49\u4e00\u4e2aGPIO\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u53d8\u91cf，\u7528\u4e8e\u914d\u7f6eGPIO\u5f15\u811a
\n GPIO_InitTypeDef GPIO_InitStruct = {0};
\n \/\/ \u5224\u65ad\u8981\u521d\u59cb\u5316\u7684SPI\u5916\u8bbe\u5b9e\u4f8b\u662f\u5426\u4e3aSPI1
\n if(spiHandle->Instance==SPI1) {
\n \/\/ \u4f7f\u80fdSPI1\u5916\u8bbe\u7684\u65f6\u949f，\u4ee5\u4fbf\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u914d\u7f6e\u548c\u4f7f\u7528
\n __HAL_RCC_SPI1_CLK_ENABLE();
\n \/\/ \u4f7f\u80fdGPIOA\u7aef\u53e3\u7684\u65f6\u949f，\u56e0\u4e3aSPI1\u4f7f\u7528\u7684\u5f15\u811a\u4f4d\u4e8eGPIOA\u7aef\u53e3
\n __HAL_RCC_GPIOA_CLK_ENABLE();<\/p>\n

\/\/ \u914d\u7f6eSPI1\u7684SCK（\u65f6\u949f）\u3001MISO（\u4e3b\u8bbe\u5907\u8f93\u5165\u4ece\u8bbe\u5907\u8f93\u51fa）\u3001MOSI（\u4e3b\u8bbe\u5907\u8f93\u51fa\u4ece\u8bbe\u5907\u8f93\u5165）\u5f15\u811a
\n \/\/ \u5c06\u8fd9\u4e9b\u5f15\u811a\u7684\u914d\u7f6e\u4fe1\u606f\u5b58\u50a8\u5728GPIO_InitStruct\u7ed3\u6784\u4f53\u4e2d
\n GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
\n \/\/ \u8bbe\u7f6e\u8fd9\u4e9b\u5f15\u811a\u4e3a\u590d\u7528\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f，\u7528\u4e8eSPI\u901a\u4fe1
\n GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
\n \/\/ \u4e0d\u4f7f\u7528\u4e0a\u62c9\u6216\u4e0b\u62c9\u7535\u963b
\n GPIO_InitStruct.Pull = GPIO_NOPULL;
\n \/\/ \u8bbe\u7f6e\u5f15\u811a\u7684\u8f93\u51fa\u901f\u5ea6\u4e3a\u975e\u5e38\u9ad8，\u4ee5\u9002\u5e94\u9ad8\u901fSPI\u901a\u4fe1
\n GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
\n \/\/ \u8bbe\u7f6e\u8fd9\u4e9b\u5f15\u811a\u7684\u590d\u7528\u529f\u80fd\u4e3aSPI1，\u5373\u4f5c\u4e3aSPI1\u7684\u76f8\u5173\u4fe1\u53f7\u5f15\u811a
\n GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
\n \/\/ \u6839\u636e\u4e0a\u8ff0\u914d\u7f6e\u4fe1\u606f\u521d\u59cb\u5316GPIOA\u7aef\u53e3\u7684\u76f8\u5e94\u5f15\u811a
\n HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);<\/p>\n

\/\/ \u914d\u7f6eSPI1\u7684NSS（\u7247\u9009）\u5f15\u811a
\n \/\/ \u91cd\u65b0\u8bbe\u7f6e\u5f15\u811a\u4e3aGPIO_PIN_4
\n GPIO_InitStruct.Pin = GPIO_PIN_4;
\n \/\/ \u8bbe\u7f6e\u8be5\u5f15\u811a\u4e3a\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f，\u7528\u4e8e\u8f6f\u4ef6\u63a7\u5236\u7247\u9009\u4fe1\u53f7
\n GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
\n \/\/ \u4e0d\u4f7f\u7528\u4e0a\u62c9\u6216\u4e0b\u62c9\u7535\u963b
\n GPIO_InitStruct.Pull = GPIO_NOPULL;
\n \/\/ \u8bbe\u7f6e\u5f15\u811a\u7684\u8f93\u51fa\u901f\u5ea6\u4e3a\u4f4e\u9891
\n GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
\n \/\/ \u6839\u636e\u4e0a\u8ff0\u914d\u7f6e\u4fe1\u606f\u521d\u59cb\u5316GPIOA\u7aef\u53e3\u7684SPI_NSS_PIN\u5f15\u811a
\n HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
\n \/\/ \u521d\u59cb\u65f6\u5c06\u7247\u9009\u4fe1\u53f7\u5f15\u811a\u62c9\u9ad8，\u7981\u7528\u4ece\u8bbe\u5907
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
\n }
\n} <\/p>\n

4.2 \u8bfb\u5199 W25Q128 \u51fd\u6570<\/h5>\n

\u4f7f\u7528\u786c\u4ef6 SPI \u5b9e\u73b0\u5bf9 W25Q128 \u7684\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n

\/**
\n * @brief \u4f7f\u7528\u786c\u4ef6SPI\u8bfb\u53d6W25Q128\u7684\u8bbe\u5907ID
\n *
\n * \u8be5\u51fd\u6570\u901a\u8fc7\u786c\u4ef6SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u8bfb\u53d6\u8bbe\u5907ID\u7684\u547d\u4ee4，\u7136\u540e\u63a5\u6536\u5e76\u8fd4\u56de\u8bbe\u5907ID\u3002
\n *
\n * @return uint16_t \u8bfb\u53d6\u5230\u7684W25Q128\u8bbe\u5907ID
\n *\/
\nuint16_t W25Q128_ReadID_HardwareSPI(void) {
\n \/\/ \u5b9a\u4e49\u53d1\u9001\u6570\u636e\u7684\u6570\u7ec4，\u5305\u542b\u8bfb\u53d6\u8bbe\u5907ID\u7684\u547d\u4ee4\u548c\u5730\u5740\u4fe1\u606f
\n uint8_t tx_data[4] = {0x90, 0x00, 0x00, 0x00};
\n \/\/ \u5b9a\u4e49\u63a5\u6536\u6570\u636e\u7684\u6570\u7ec4，\u7528\u4e8e\u5b58\u50a8\u8bfb\u53d6\u5230\u7684\u8bbe\u5907ID
\n uint8_t rx_data[2];
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u53d1\u9001tx_data\u6570\u7ec4\u4e2d\u76844\u4e2a\u5b57\u8282\u6570\u636e
\n HAL_SPI_Transmit(&hspi1, tx_data, 4, HAL_MAX_DELAY);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u63a5\u65362\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5230rx_data\u6570\u7ec4\u4e2d
\n HAL_SPI_Receive(&hspi1, rx_data, 2, HAL_MAX_DELAY);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
\n \/\/ \u5c06\u63a5\u6536\u5230\u7684\u4e24\u4e2a\u5b57\u8282\u6570\u636e\u7ec4\u5408\u6210\u4e00\u4e2a16\u4f4d\u7684\u8bbe\u5907ID
\n return (uint16_t)rx_data[0] << 8 | rx_data[1];
\n}<\/p>\n

\/**
\n * @brief \u4f7f\u7528\u786c\u4ef6SPI\u4f7f\u80fdW25Q128\u7684\u5199\u64cd\u4f5c
\n *
\n * \u8be5\u51fd\u6570\u901a\u8fc7\u786c\u4ef6SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u5199\u4f7f\u80fd\u547d\u4ee4，\u4ee5\u5141\u8bb8\u540e\u7eed\u7684\u5199\u64cd\u4f5c\u3002
\n *\/
\nvoid W25Q128_WriteEnable_HardwareSPI(void) {
\n \/\/ \u5b9a\u4e49\u8981\u53d1\u9001\u7684\u5199\u4f7f\u80fd\u547d\u4ee4
\n uint8_t tx_data = 0x06;
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u53d1\u9001\u5199\u4f7f\u80fd\u547d\u4ee4
\n HAL_SPI_Transmit(&hspi1, &tx_data, 1, HAL_MAX_DELAY);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
\n}<\/p>\n

\/**
\n * @brief \u4f7f\u7528\u786c\u4ef6SPI\u64e6\u9664W25Q128\u7684\u6307\u5b9a\u6247\u533a
\n *
\n * \u8be5\u51fd\u6570\u5148\u4f7f\u80fd\u5199\u64cd\u4f5c，\u7136\u540e\u901a\u8fc7\u786c\u4ef6SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u6247\u533a\u64e6\u9664\u547d\u4ee4\u548c\u6247\u533a\u5730\u5740\u3002
\n *
\n * @param sector_address \u8981\u64e6\u9664\u7684\u6247\u533a\u5730\u5740
\n *\/
\nvoid W25Q128_SectorErase_HardwareSPI(uint32_t sector_address) {
\n \/\/ \u8c03\u7528\u5199\u4f7f\u80fd\u51fd\u6570，\u5141\u8bb8\u540e\u7eed\u7684\u64e6\u9664\u64cd\u4f5c
\n W25Q128_WriteEnable_HardwareSPI();
\n \/\/ \u5b9a\u4e49\u53d1\u9001\u6570\u636e\u7684\u6570\u7ec4，\u5305\u542b\u6247\u533a\u64e6\u9664\u547d\u4ee4\u548c\u6247\u533a\u5730\u5740\u4fe1\u606f
\n uint8_t tx_data[4] = {0x20, (uint8_t)(sector_address >> 16), (uint8_t)(sector_address >> 8), (uint8_t)sector_address};
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u53d1\u9001tx_data\u6570\u7ec4\u4e2d\u76844\u4e2a\u5b57\u8282\u6570\u636e
\n HAL_SPI_Transmit(&hspi1, tx_data, 4, HAL_MAX_DELAY);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
\n}<\/p>\n

\/**
\n * @brief \u4f7f\u7528\u786c\u4ef6SPI\u5411W25Q128\u7684\u6307\u5b9a\u5730\u5740\u5199\u5165\u6570\u636e
\n *
\n * \u8be5\u51fd\u6570\u5148\u4f7f\u80fd\u5199\u64cd\u4f5c，\u7136\u540e\u901a\u8fc7\u786c\u4ef6SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u9875\u7f16\u7a0b\u547d\u4ee4\u3001\u5199\u5165\u5730\u5740\u548c\u6570\u636e\u3002
\n *
\n * @param address \u5199\u5165\u6570\u636e\u7684\u8d77\u59cb\u5730\u5740
\n * @param data \u8981\u5199\u5165\u7684\u6570\u636e\u6570\u7ec4\u6307\u9488
\n * @param length \u8981\u5199\u5165\u7684\u6570\u636e\u957f\u5ea6
\n *\/
\nvoid W25Q128_PageProgram_HardwareSPI(uint32_t address, uint8_t *data, uint16_t length) {
\n \/\/ \u8c03\u7528\u5199\u4f7f\u80fd\u51fd\u6570，\u5141\u8bb8\u540e\u7eed\u7684\u5199\u5165\u64cd\u4f5c
\n W25Q128_WriteEnable_HardwareSPI();
\n \/\/ \u5b9a\u4e49\u53d1\u9001\u6570\u636e\u7684\u6570\u7ec4，\u5305\u542b\u9875\u7f16\u7a0b\u547d\u4ee4\u548c\u5199\u5165\u5730\u5740\u4fe1\u606f
\n uint8_t tx_data[4] = {0x02, (uint8_t)(address >> 16), (uint8_t)(address >> 8), (uint8_t)address};
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u53d1\u9001tx_data\u6570\u7ec4\u4e2d\u76844\u4e2a\u5b57\u8282\u6570\u636e
\n HAL_SPI_Transmit(&hspi1, tx_data, 4, HAL_MAX_DELAY);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u53d1\u9001\u8981\u5199\u5165\u7684\u6570\u636e
\n HAL_SPI_Transmit(&hspi1, data, length, HAL_MAX_DELAY);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
\n}<\/p>\n

\/**
\n * @brief \u4f7f\u7528\u786c\u4ef6SPI\u4eceW25Q128\u7684\u6307\u5b9a\u5730\u5740\u8bfb\u53d6\u6570\u636e
\n *
\n * \u8be5\u51fd\u6570\u901a\u8fc7\u786c\u4ef6SPI\u63a5\u53e3\u5411W25Q128\u53d1\u9001\u8bfb\u53d6\u6570\u636e\u547d\u4ee4\u548c\u8bfb\u53d6\u5730\u5740，\u7136\u540e\u63a5\u6536\u6570\u636e\u3002
\n *
\n * @param address \u8bfb\u53d6\u6570\u636e\u7684\u8d77\u59cb\u5730\u5740
\n * @param data \u7528\u4e8e\u5b58\u50a8\u8bfb\u53d6\u6570\u636e\u7684\u6570\u7ec4\u6307\u9488
\n * @param length \u8981\u8bfb\u53d6\u7684\u6570\u636e\u957f\u5ea6
\n *\/
\nvoid W25Q128_ReadData_HardwareSPI(uint32_t address, uint8_t *data, uint16_t length) {
\n \/\/ \u5b9a\u4e49\u53d1\u9001\u6570\u636e\u7684\u6570\u7ec4，\u5305\u542b\u8bfb\u53d6\u6570\u636e\u547d\u4ee4\u548c\u8bfb\u53d6\u5730\u5740\u4fe1\u606f
\n uint8_t tx_data[4] = {0x03, (uint8_t)(address >> 16), (uint8_t)(address >> 8), (uint8_t)address};
\n \/\/ \u62c9\u4f4e\u7247\u9009\u4fe1\u53f7，\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u53d1\u9001tx_data\u6570\u7ec4\u4e2d\u76844\u4e2a\u5b57\u8282\u6570\u636e
\n HAL_SPI_Transmit(&hspi1, tx_data, 4, HAL_MAX_DELAY);
\n \/\/ \u901a\u8fc7\u786c\u4ef6SPI\u63a5\u6536\u6307\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u5230data\u6570\u7ec4\u4e2d
\n HAL_SPI_Receive(&hspi1, data, length, HAL_MAX_DELAY);
\n \/\/ \u62c9\u9ad8\u7247\u9009\u4fe1\u53f7，\u53d6\u6d88\u9009\u4e2dW25Q128\u82af\u7247
\n HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
\n} <\/p>\n

5. \u4e3b\u51fd\u6570\u6d4b\u8bd5<\/h4>\n

\u5728\u4e3b\u51fd\u6570\u4e2d\u8c03\u7528\u4e0a\u8ff0\u51fd\u6570\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n

\/**
\n * @brief \u4e3b\u51fd\u6570，\u7a0b\u5e8f\u7684\u5165\u53e3\u70b9
\n *
\n * \u6b64\u51fd\u6570\u5b8c\u6210\u7cfb\u7edf\u521d\u59cb\u5316，\u5305\u62ecHAL\u5e93\u3001\u7cfb\u7edf\u65f6\u949f\u3001SPI\u76f8\u5173\u7684GPIO\u548cSPI\u5916\u8bbe，
\n * \u7136\u540e\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62dfSPI\u548c\u786c\u4ef6SPI\u4e24\u79cd\u65b9\u5f0f\u8bfb\u53d6W25Q128\u7684\u8bbe\u5907ID，
\n * \u63a5\u7740\u5206\u522b\u4f7f\u7528\u8f6f\u4ef6\u6a21\u62dfSPI\u548c\u786c\u4ef6SPI\u5bf9W25Q128\u8fdb\u884c\u6247\u533a\u64e6\u9664\u3001\u6570\u636e\u5199\u5165\u548c\u8bfb\u53d6\u64cd\u4f5c，
\n * \u6700\u540e\u8fdb\u5165\u4e00\u4e2a\u65e0\u9650\u5faa\u73af，\u4fdd\u6301\u7a0b\u5e8f\u6301\u7eed\u8fd0\u884c\u3002
\n *\/
\nint main(void) {
\n \/\/ \u521d\u59cb\u5316HAL\u5e93，\u8fd9\u662fSTM32 HAL\u5e93\u7684\u57fa\u7840\u521d\u59cb\u5316\u6b65\u9aa4，
\n \/\/ \u5b83\u4f1a\u8fdb\u884c\u4e00\u4e9b\u5e95\u5c42\u7684\u786c\u4ef6\u521d\u59cb\u5316\u548c\u914d\u7f6e，\u4e3a\u540e\u7eed\u4f7f\u7528HAL\u5e93\u51fd\u6570\u505a\u51c6\u5907
\n HAL_Init();<\/p>\n

\/\/ \u914d\u7f6e\u7cfb\u7edf\u65f6\u949f，\u8bbe\u7f6e\u5408\u9002\u7684\u65f6\u949f\u9891\u7387，\u786e\u4fdd\u7cfb\u7edf\u5404\u4e2a\u6a21\u5757\u80fd\u6b63\u5e38\u5de5\u4f5c
\n \/\/ \u8be5\u51fd\u6570\u53ef\u80fd\u5305\u542b\u4e86\u5bf9\u6676\u632f\u3001PLL\u7b49\u65f6\u949f\u6e90\u548c\u65f6\u949f\u5206\u9891\u5668\u7684\u914d\u7f6e
\n SystemClock_Config();<\/p>\n

\/\/ \u521d\u59cb\u5316SPI\u901a\u4fe1\u6240\u9700\u7684GPIO\u5f15\u811a，\u5305\u62ecSCK\u3001MISO\u3001MOSI\u548cNSS\u5f15\u811a，
\n \/\/ \u4e3a\u8f6f\u4ef6\u6a21\u62dfSPI\u901a\u4fe1\u505a\u51c6\u5907
\n SPI_GPIO_Init();<\/p>\n

\/\/ \u521d\u59cb\u5316SPI1\u5916\u8bbe，\u914d\u7f6eSPI1\u7684\u5de5\u4f5c\u6a21\u5f0f\u3001\u6570\u636e\u65b9\u5411\u3001\u65f6\u949f\u6781\u6027\u7b49\u53c2\u6570，
\n \/\/ \u4e3a\u786c\u4ef6SPI\u901a\u4fe1\u505a\u51c6\u5907
\n SPI1_Init();<\/p>\n

\/\/ \u4f7f\u7528\u8f6f\u4ef6\u6a21\u62dfSPI\u7684\u65b9\u5f0f\u8bfb\u53d6W25Q128\u7684\u8bbe\u5907ID，
\n \/\/ \u5c06\u8bfb\u53d6\u5230\u7684\u8bbe\u5907ID\u5b58\u50a8\u5728device_id_soft\u53d8\u91cf\u4e2d
\n uint16_t device_id_soft = W25Q128_ReadID();<\/p>\n

\/\/ \u4f7f\u7528\u786c\u4ef6SPI\u7684\u65b9\u5f0f\u8bfb\u53d6W25Q128\u7684\u8bbe\u5907ID，
\n \/\/ \u5c06\u8bfb\u53d6\u5230\u7684\u8bbe\u5907ID\u5b58\u50a8\u5728device_id_hard\u53d8\u91cf\u4e2d
\n uint16_t device_id_hard = W25Q128_ReadID_HardwareSPI();<\/p>\n

\/\/ \u5b9a\u4e49\u8981\u5199\u5165W25Q128\u7684\u6570\u636e\u6570\u7ec4，\u5305\u542b4\u4e2a\u5b57\u8282\u7684\u6570\u636e
\n uint8_t write_data[] = {0x01, 0x02, 0x03, 0x04};<\/p>\n

\/\/ \u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u4eceW25Q128\u8bfb\u53d6\u7684\u6570\u636e，\u5927\u5c0f\u4e3a4\u4e2a\u5b57\u8282
\n uint8_t read_data[4];<\/p>\n

\/\/ \u4f7f\u7528\u8f6f\u4ef6\u6a21\u62dfSPI\u7684\u65b9\u5f0f\u64e6\u9664W25Q128\u76840x000000\u6247\u533a，
\n \/\/ \u64e6\u9664\u64cd\u4f5c\u4f1a\u5c06\u8be5\u6247\u533a\u7684\u6570\u636e\u5168\u90e8\u7f6e\u4e3a0xFF
\n W25Q128_SectorErase(0x000000);<\/p>\n

\/\/ \u4f7f\u7528\u8f6f\u4ef6\u6a21\u62dfSPI\u7684\u65b9\u5f0f\u5c06write_data\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u5199\u5165W25Q128\u76840x000000\u5730\u5740，
\n \/\/ \u5199\u5165\u6570\u636e\u957f\u5ea6\u4e3a4\u4e2a\u5b57\u8282
\n W25Q128_PageProgram(0x000000, write_data, 4);<\/p>\n

\/\/ \u4f7f\u7528\u8f6f\u4ef6\u6a21\u62dfSPI\u7684\u65b9\u5f0f\u4eceW25Q128\u76840x000000\u5730\u5740\u8bfb\u53d64\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5230read_data\u6570\u7ec4\u4e2d
\n W25Q128_ReadData(0x000000, read_data, 4);<\/p>\n

\/\/ \u4f7f\u7528\u786c\u4ef6SPI\u7684\u65b9\u5f0f\u64e6\u9664W25Q128\u76840x000000\u6247\u533a
\n W25Q128_SectorErase_HardwareSPI(0x000000);<\/p>\n

\/\/ \u4f7f\u7528\u786c\u4ef6SPI\u7684\u65b9\u5f0f\u5c06write_data\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u5199\u5165W25Q128\u76840x000000\u5730\u5740，
\n \/\/ \u5199\u5165\u6570\u636e\u957f\u5ea6\u4e3a4\u4e2a\u5b57\u8282
\n W25Q128_PageProgram_HardwareSPI(0x000000, write_data, 4);<\/p>\n

\/\/ \u4f7f\u7528\u786c\u4ef6SPI\u7684\u65b9\u5f0f\u4eceW25Q128\u76840x000000\u5730\u5740\u8bfb\u53d64\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5230read_data\u6570\u7ec4\u4e2d
\n W25Q128_ReadData_HardwareSPI(0x000000, read_data, 4);<\/p>\n

\/\/ \u8fdb\u5165\u4e00\u4e2a\u65e0\u9650\u5faa\u73af，\u7a0b\u5e8f\u4f1a\u4e00\u76f4\u505c\u7559\u5728\u8fd9\u4e2a\u5faa\u73af\u4e2d，
\n \/\/ \u53ef\u4ee5\u5728\u6b64\u5904\u6dfb\u52a0\u5176\u4ed6\u9700\u8981\u6301\u7eed\u8fd0\u884c\u7684\u4ee3\u7801\u903b\u8f91
\n while (1) {
\n }
\n} <\/p>\n

6. \u603b\u7ed3<\/h4>\n

\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u57fa\u4e8e STM32F407 HAL \u5e93\u5b9e\u73b0\u8f6f\u4ef6\u6a21\u62df SPI \u548c\u786c\u4ef6 SPI \u8bfb\u5199 W25Q128 \u7684\u65b9\u6cd5\u3002\u8f6f\u4ef6\u6a21\u62df SPI \u5177\u6709\u7075\u6d3b\u6027\u9ad8\u3001\u65e0\u9700\u7279\u5b9a\u786c\u4ef6\u652f\u6301\u7684\u4f18\u70b9，\u4f46\u901a\u4fe1\u901f\u5ea6\u76f8\u5bf9\u8f83\u6162；\u786c\u4ef6 SPI \u5219\u5177\u6709\u901a\u4fe1\u901f\u5ea6\u5feb\u3001\u7a33\u5b9a\u6027\u9ad8\u7684\u7279\u70b9，\u4f46\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u786c\u4ef6\u8d44\u6e90\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u53ef\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684 SPI \u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n

7. \u6ce8\u610f\u4e8b\u9879<\/h4>\n
    \n
  • \u5728\u4f7f\u7528\u8f6f\u4ef6\u6a21\u62df SPI \u65f6，\u8981\u6ce8\u610f\u65f6\u949f\u4fe1\u53f7\u7684\u4ea7\u751f\u548c\u6570\u636e\u7684\u53d1\u9001\u4e0e\u63a5\u6536\u987a\u5e8f，\u786e\u4fdd\u901a\u4fe1\u7684\u6b63\u786e\u6027\u3002<\/li>\n
  • \u5728\u4f7f\u7528\u786c\u4ef6 SPI \u65f6，\u8981\u6b63\u786e\u914d\u7f6e SPI \u5916\u8bbe\u7684\u53c2\u6570，\u5982\u65f6\u949f\u6781\u6027\u3001\u65f6\u949f\u76f8\u4f4d\u3001\u6570\u636e\u4f4d\u5bbd\u7b49\u3002<\/li>\n
  • \u5728\u5bf9 W25Q128 \u8fdb\u884c\u5199\u64cd\u4f5c\u4e4b\u524d，\u9700\u8981\u5148\u8fdb\u884c\u5199\u4f7f\u80fd\u64cd\u4f5c，\u5e76\u4e14\u5728\u64e6\u9664\u6247\u533a\u548c\u5199\u5165\u6570\u636e\u65f6\u8981\u6ce8\u610f\u5730\u5740\u7684\u6b63\u786e\u6027\u3002<\/li>\n<\/ul>\n

    \u4ee5\u4e0a\u5185\u5bb9\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u57fa\u4e8e STM32F407 HAL \u5e93\u8f6f\u4ef6\u6a21\u62df SPI \u8bfb\u5199 W25Q128 \u4e0e\u786c\u4ef6 SPI \u8bfb\u5199 W25Q128 \u7684\u5b9e\u73b0\u65b9\u6cd5，\u4f60\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u548c\u6269\u5c55，\u6709\u4ec0\u4e48\u4e0d\u61c2\u7684\u53ef\u4ee5\u7559\u8a00\u79c1\u4fe1\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

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