{"id":86067,"date":"2026-07-28T04:08:22","date_gmt":"2026-07-27T20:08:22","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/86067.html"},"modified":"2026-07-28T04:08:22","modified_gmt":"2026-07-27T20:08:22","slug":"mcu%e5%b9%b3%e5%8f%b0qr%e7%a0%81%e8%a7%a3%e7%a0%81%e5%bc%95%e6%93%8e%e5%ae%9e%e7%8e%b0%e5%88%86%e6%9e%90%ef%bc%9a%e4%bb%8e%e5%9b%be%e5%83%8f%e4%ba%8c%e5%80%bc%e5%8c%96%e5%88%b0reed-solomon%e7%ba%a0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/86067.html","title":{"rendered":"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3"},"content":{"rendered":"

MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790：\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3<\/h2>\n

\u4e00\u3001QR\u7801\u89e3\u7801\u6d41\u7a0b\u603b\u89c8\u4e0eMCU\u7ea6\u675f<\/h3>\n

QR\u7801\u89e3\u7801\u662f\u4e00\u4e2a\u591a\u9636\u6bb5\u4fe1\u53f7\u5904\u7406\u6d41\u7a0b，\u5305\u542b\u56fe\u50cf\u91c7\u96c6\u3001\u5b9a\u4f4d\u3001\u4e8c\u503c\u5316\u3001\u91c7\u6837\u3001\u7ea0\u9519\u4e0e\u6570\u636e\u6062\u590d\u516d\u4e2a\u73af\u8282\u3002\u5728Cortex-M4（168MHz\u3001128KB RAM）\u5e73\u53f0\u4e0a\u5b9e\u73b0\u5b8c\u6574\u89e3\u7801，\u9700\u5728\u6bcf\u4e2a\u73af\u8282\u4e25\u683c\u63a7\u5236\u5185\u5b58\u4e0e\u8ba1\u7b97\u5f00\u9500\u3002<\/p>\n

\u5168\u6d41\u7a0b\u6570\u636e\u7279\u5f81：<\/p>\n\n\u73af\u8282\u8f84\u5165\u8f84\u51fa\u5185\u5b58\u5cf0\u503c\u8ba1\u7b97\u7279\u5f81<\/tr>\n\n\n\n\n\n\n\n
\u56fe\u50cf\u91c7\u96c6<\/td>\nCMOS\u539f\u59cb\u5e27<\/td>\n\u7070\u5ea6\u77e9\u9635<\/td>\n40KB(160\u00d7160)<\/td>\nDMA\u642c\u8fd0<\/td>\n<\/tr>\n
\u5b9a\u4f4d<\/td>\n\u7070\u5ea6\u77e9\u9635<\/td>\n\u4e09\u4e2aFinder\u4e2d\u5fc3<\/td>\n40KB<\/td>\n\u884c\u626b\u63cf+\u4ea4\u53c9\u6bd4<\/td>\n<\/tr>\n
\u4e8c\u503c\u5316<\/td>\n\u7070\u5ea6\u77e9\u9635<\/td>\n1-bit\u4f4d\u56fe<\/td>\n3.2KB<\/td>\n\u5c40\u90e8\u9608\u503c<\/td>\n<\/tr>\n
\u91c7\u6837<\/td>\n\u4f4d\u56fe+\u5b9a\u4f4d\u53c2\u6570<\/td>\n\u6a21\u5757\u77e9\u9635<\/td>\n2KB(max V40)<\/td>\n\u900f\u89c6\u53d8\u6362<\/td>\n<\/tr>\n
\u7ea0\u9519<\/td>\n\u6a21\u5757\u77e9\u9635<\/td>\n\u7ea0\u9519\u540e\u6570\u636e<\/td>\n8KB<\/td>\nRS\u591a\u9879\u5f0f<\/td>\n<\/tr>\n
\u6570\u636e\u6062\u590d<\/td>\n\u7ea0\u9519\u6570\u636e<\/td>\n\u89e3\u7801\u5b57\u7b26\u4e32<\/td>\n2KB<\/td>\n\u6a21\u5f0f\u89e3\u6790<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6838\u5fc3\u7ea6\u675f：128KB RAM\u9700\u5bb9\u7eb3\u7070\u5ea6\u5e27\u3001\u4e2d\u95f4\u7f13\u51b2\u4e0e\u7ea0\u9519\u5de5\u4f5c\u533a，\u5b9e\u9645\u53ef\u5206\u914d\u7ed9\u89e3\u7801\u5f15\u64ce\u7684\u8fde\u7eedRAM\u4e0d\u8d85\u8fc760KB\u3002\u56e0\u6b64\u7070\u5ea6\u5e27\u91c7\u7528160\u00d7160\u5206\u8fa8\u7387\u91c7\u96c6（\u8986\u76d6V10\u7248\u672cQR\u7801），\u5bf9\u66f4\u9ad8\u7248\u672c\u9700\u5206\u5757\u5904\u7406\u3002<\/p>\n

\u4e8c\u3001Finder Pattern\u5b9a\u4f4d\u4e0e\u4e8c\u503c\u5316\u7b97\u6cd5<\/h3>\n

Finder Pattern\u75311:1:3:1:1\u6bd4\u4f8b\u7684\u9ed1\u767d\u6a21\u5757\u7ec4\u6210，\u662fQR\u7801\u5b9a\u4f4d\u7684\u8d77\u70b9\u3002\u5b9a\u4f4d\u7b97\u6cd5\u91c7\u7528\u884c\u626b\u63cf\u7b56\u7565：<\/p>\n

  • \u5bf9\u7070\u5ea6\u56fe\u9010\u884c\u626b\u63cf，\u7edf\u8ba1\u8fde\u7eed\u9ed1\u767d\u50cf\u7d20\u6bb5\u957f\u5ea6<\/li>\n
  • \u8ba1\u7b97\u76f8\u90bb5\u6bb5\u7684\u6bd4\u4f8b，\u5224\u5b9a\u662f\u5426\u63a5\u8fd11:1:3:1:1<\/li>\n
  • \u5bf9\u5019\u9009\u884c\u505a\u4ea4\u53c9\u9a8c\u8bc1（\u7eb5\u5411\u626b\u63cf\u540c\u6bd4\u4f8b）<\/li>\n

    \/\/ Finder Pattern\u884c\u626b\u63cf\u68c0\u6d4b\u6838\u5fc3\u4ee3\u7801
    \n#define FINDER_RATIO_TOL 0.3f \/\/ \u6bd4\u4f8b\u5bb9\u5dee30%<\/p>\n

    typedef struct {
    \n int cx, cy; \/\/ Finder\u4e2d\u5fc3\u5750\u6807
    \n int size; \/\/ \u6a21\u5757\u4f30\u8ba1\u5c3a\u5bf8(\u50cf\u7d20)
    \n} finder_t;<\/p>\n

    static int check_finder_ratio(const int segs[5])
    \n{
    \n \/\/ \u6bd4\u4f8b\u5e94\u4e3a 1:1:3:1:1，\u4ee5\u7b2c3\u6bb5(\u9ed1)\u4e3a\u57fa\u51c6
    \n int ref = segs[2];
    \n if (ref == 0) return 0;<\/p>\n

    float ratios[5];
    \n for (int i = 0; i < 5; i++) {
    \n ratios[i] = (float)segs[i] \/ ref;
    \n }<\/p>\n

    \/\/ \u6807\u51c6\u6bd4\u4f8b: [0.33, 0.33, 1.0, 0.33, 0.33]
    \n float target[5] = {1.0f\/3, 1.0f\/3, 1.0f, 1.0f\/3, 1.0f\/3};
    \n for (int i = 0; i < 5; i++) {
    \n if (fabsf(ratios[i] – target[i]) > FINDER_RATIO_TOL * target[i]) {
    \n return 0;
    \n }
    \n }
    \n return 1;
    \n}<\/p>\n

    int finder_scan_row(const uint8_t *gray, int width, int y,
    \n finder_t *finders, int max_finders)
    \n{
    \n if (gray == NULL || finders == NULL) return -1;<\/p>\n

    int segs[5] = {0}; \/\/ \u8fde\u7eed5\u6bb5\u9ed1\u767d\u50cf\u7d20\u8ba1\u6570
    \n int seg_idx = 0;
    \n int count = 0;
    \n int found = 0;
    \n uint8_t prev = 255; \/\/ \u8d77\u59cb\u5047\u8bbe\u4e3a\u767d\u8272<\/p>\n

    for (int x = 0; x < width; x++) {
    \n uint8_t val = gray[y * width + x];
    \n uint8_t cur = (val > 128) ? 1 : 0; \/\/ \u7b80\u5355\u9608\u503c\u9884\u5224<\/p>\n

    if (cur == prev) {
    \n count++;
    \n } else {
    \n if (seg_idx < 5) {
    \n segs[seg_idx++] = count;
    \n } else {
    \n \/\/ 5\u6bb5\u5df2\u6ee1，\u68c0\u67e5\u6bd4\u4f8b
    \n if (check_finder_ratio(segs)) {
    \n int center_x = x – segs[4] – segs[3] – segs[2]\/2;
    \n finders[found].cx = center_x;
    \n finders[found].cy = y;
    \n finders[found].size = segs[2] \/ 3;
    \n found++;
    \n if (found >= max_finders) return found;
    \n }
    \n \/\/ \u6ed1\u52a8\u7a97\u53e3: \u540e\u79fb2\u6bb5
    \n segs[0] = segs[2]; segs[1] = segs[3]; segs[2] = segs[4];
    \n segs[3] = count; seg_idx = 4;
    \n }
    \n count = 1;
    \n prev = cur;
    \n }
    \n }
    \n return found;
    \n}<\/p>\n

    \u4e8c\u503c\u5316\u91c7\u7528\u5c40\u90e8\u81ea\u9002\u5e94\u9608\u503c（Sauvola\u65b9\u6cd5\u7b80\u5316\u7248），\u7a97\u53e3\u5c3a\u5bf8\u53d6\u6a21\u5757\u4f30\u8ba1\u5c3a\u5bf8\u76844\u500d：<\/p>\n

    \/\/ Sauvola\u7b80\u5316\u5c40\u90e8\u4e8c\u503c\u5316
    \nstatic uint8_t sauvola_threshold(const uint8_t *gray, int w, int h,
    \n int cx, int cy, int win)
    \n{
    \n int sum = 0, count = 0;
    \n for (int dy = -win\/2; dy <= win\/2; dy++) {
    \n for (int dx = -win\/2; dx <= win\/2; dx++) {
    \n int x = cx + dx, y = cy + dy;
    \n if (x < 0 || x >= w || y < 0 || y >= h) continue;
    \n sum += gray[y * w + x];
    \n count++;
    \n }
    \n }
    \n if (count == 0) return 128;
    \n int mean = sum \/ count;
    \n \/\/ Sauvola\u9608\u503c: T = mean * (1 – k * (1 – stddev\/128))
    \n \/\/ \u7b80\u5316\u4e3a: T = mean * 0.85 (k=0.15\u8fd1\u4f3c)
    \n return (uint8_t)(mean * 0.85f);
    \n}<\/p>\n

    \u4e09\u3001\u900f\u89c6\u53d8\u6362\u91c7\u6837\u4e0eReed-Solomon\u7ea0\u9519<\/h3>\n

    Finder Pattern\u786e\u5b9a\u4e09\u4e2a\u89d2\u70b9\u540e，\u901a\u8fc7\u900f\u89c6\u53d8\u6362\u5c06QR\u7801\u6a21\u5757\u6620\u5c04\u81f3\u6b63\u65b9\u5f62\u91c7\u6837\u7f51\u683c\u3002\u900f\u89c6\u53d8\u6362\u77e9\u96354\u00d74\u53c2\u6570\u7531\u4e09\u4e2aFinder\u4e2d\u5fc3+Alignment Pattern\u8ba1\u7b97\u5f97\u51fa\u3002<\/p>\n

    Reed-Solomon\u7ea0\u9519\u662fQR\u89e3\u7801\u4e2d\u8ba1\u7b97\u91cf\u6700\u5927\u7684\u73af\u8282\u3002QR\u7801\u91c7\u7528GF(2^8)\u57df\u4e0a\u7684RS(n,k)\u7801，\u7ea0\u9519\u80fd\u529b\u4e3a(n-k)\/2\u4e2a\u9519\u8bef\u7b26\u53f7\u3002V1-M\u7248\u672c：RS(26,19)，\u53ef\u7ea0\u6b633\u4e2a\u9519\u8bef\u3002<\/p>\n

    RS\u89e3\u7801\u6838\u5fc3\u6b65\u9aa4：<\/p>\n

  • \u7531\u63a5\u6536\u7801\u5b57\u8ba1\u7b97syndrome\u591a\u9879\u5f0f<\/li>\n
  • Berlekamp-Massey\u7b97\u6cd5\u6c42\u89e3\u9519\u8bef\u5b9a\u4f4d\u591a\u9879\u5f0f<\/li>\n
  • Chien\u641c\u7d22\u5b9a\u4f4d\u9519\u8bef\u4f4d\u7f6e<\/li>\n
  • Forney\u7b97\u6cd5\u8ba1\u7b97\u9519\u8bef\u5e45\u503c<\/li>\n

    \/\/ GF(2^8)\u57df\u4e58\u6cd5（\u67e5\u8868\u6cd5，\u907f\u514d\u5b9e\u65f6\u8ba1\u7b97）
    \nstatic const uint8_t gf_exp[256] = { \/* \u9884\u8ba1\u7b97\u6307\u6570\u8868 *\/ };
    \nstatic const uint8_t gf_log[256] = { \/* \u9884\u8ba1\u7b97\u5bf9\u6570\u8868 *\/ };<\/p>\n

    static uint8_t gf_mul(uint8_t a, uint8_t b)
    \n{
    \n if (a == 0 || b == 0) return 0;
    \n return gf_exp[(gf_log[a] + gf_log[b]) % 255];
    \n}<\/p>\n

    \/\/ Berlekamp-Massey\u7b97\u6cd5\u6838\u5fc3\u5b9e\u73b0
    \nint rs_berlekamp_massey(const uint8_t *syndrome, int nsym,
    \n uint8_t *err_loc, int *err_loc_len)
    \n{
    \n if (syndrome == NULL || err_loc == NULL) return -1;<\/p>\n

    uint8_t C[64] = {0}, B[64] = {0};
    \n C[0] = 1; B[0] = 1;
    \n int L = 0, m = 1, b = 1;<\/p>\n

    for (int n = 0; n < nsym; n++) {
    \n uint8_t delta = syndrome[n];
    \n for (int i = 1; i <= L; i++) {
    \n delta = gf_sub(delta, gf_mul(C[i], syndrome[n – i]));
    \n }<\/p>\n

    if (delta == 0) { m++; continue; }<\/p>\n

    uint8_t T[64] = {0};
    \n for (int i = 0; i < 64; i++) T[i] = C[i];<\/p>\n

    \/\/ C = C – delta * B * x^m
    \n uint8_t scale = gf_mul(delta, gf_inv(b));
    \n for (int i = 0; i + m < 64; i++) {
    \n C[i + m] = gf_sub(C[i + m], gf_mul(scale, B[i]));
    \n }<\/p>\n

    if (2 * L <= n) {
    \n L = n + 1 – L;
    \n for (int i = 0; i < 64; i++) B[i] = T[i];
    \n b = delta;
    \n m = 1;
    \n } else {
    \n m++;
    \n }
    \n }<\/p>\n

    *err_loc_len = L;
    \n for (int i = 0; i <= L; i++) err_loc[i] = C[i];
    \n return 0;
    \n}<\/p>\n

    GF\u6307\u6570\/\u5bf9\u6570\u8868\u5404256\u5b57\u8282，\u5408\u8ba1512\u5b57\u8282ROM\u5360\u7528，\u66ff\u4ee3\u5b9e\u65f6\u4e58\u6cd5\u8ba1\u7b97\u540e\u5355\u6b21RS\u89e3\u7801\u8017\u65f6\u7ea612ms（Cortex-M4@168MHz）\u3002<\/p>\n

    \u56db\u3001\u6570\u636e\u6a21\u5f0f\u89e3\u6790\u4e0e\u5185\u5b58\u4f18\u5316<\/h3>\n

    QR\u7801\u6570\u636e\u533a\u7ecf\u7ea0\u9519\u6062\u590d\u540e，\u6309\u6a21\u5f0f\u6307\u793a\u7b26\u9010\u6bb5\u89e3\u6790\u3002\u56db\u79cd\u6a21\u5f0f：Numeric(0001)\u3001Alphanumeric(0010)\u3001Byte(0100)\u3001Kanji(1000)\u3002<\/p>\n

    \/\/ \u6570\u636e\u6a21\u5f0f\u89e3\u6790\u4e3b\u5faa\u73af
    \nint qr_decode_data(const uint8_t *modules, int version,
    \n char *output, int max_len)
    \n{
    \n if (modules == NULL || output == NULL) return -1;<\/p>\n

    qr_bitstream_t bs;
    \n bs_init(&bs, modules, version);<\/p>\n

    int out_pos = 0;
    \n while (bs_has_bits(&bs, 4)) {
    \n uint8_t mode = bs_read(&bs, 4);<\/p>\n

    switch (mode) {
    \n case QR_MODE_NUMERIC:
    \n out_pos += decode_numeric(&bs, output + out_pos, max_len – out_pos);
    \n break;
    \n case QR_MODE_ALPHANUM:
    \n out_pos += decode_alphanum(&bs, output + out_pos, max_len – out_pos);
    \n break;
    \n case QR_MODE_BYTE:
    \n out_pos += decode_byte(&bs, output + out_pos, max_len – out_pos);
    \n break;
    \n default:
    \n fprintf(stderr, " \u4e0d\u652f\u6301\u7684\u6a21\u5f0f: 0x%X\\\\n", mode);
    \n return ERR_UNSUPPORTED_MODE;
    \n }
    \n if (out_pos >= max_len) {
    \n fprintf(stderr, " \u8f93\u51fa\u7f13\u51b2\u6ea2\u51fa\\\\n");
    \n return ERR_BUFFER_OVERFLOW;
    \n }
    \n }
    \n return out_pos;
    \n}<\/p>\n

    \u5185\u5b58\u4f18\u5316\u5173\u952e\u63aa\u65bd：<\/p>\n

  • \u7070\u5ea6\u5e27\u5728\u4e8c\u503c\u5316\u5b8c\u6210\u540e\u7acb\u5373\u91ca\u653e，\u6a21\u5757\u77e9\u9635\u590d\u7528\u5176\u7a7a\u95f4<\/li>\n
  • RS\u7ea0\u9519\u5de5\u4f5c\u533a（\u7ea68KB）\u4ec5\u5728\u7ea0\u9519\u9636\u6bb5\u5206\u914d，\u5b8c\u6210\u540e\u91ca\u653e<\/li>\n
  • \u4f4d\u6d41\u8bfb\u53d6\u5668（bitstream）\u91c7\u7528\u6307\u9488\u504f\u79fb\u800c\u975e\u62f7\u8d1d，\u96f6\u989d\u5916RAM\u5f00\u9500<\/li>\n
  • \u900f\u89c6\u53d8\u6362\u77e9\u9635（16\u5b57\u8282）\u5b58\u5165\u6808\u7a7a\u95f4，\u4e0d\u5360\u7528\u6301\u4e45RAM<\/li>\n

    \u5b9e\u6d4b\u5168\u6d41\u7a0b\u5cf0\u503cRAM\u5360\u7528\u7ea652KB（V10\u7248\u672c），\u7559\u670976KB\u5b89\u5168\u4f59\u91cf\u3002V20\u4ee5\u4e0a\u7248\u672c\u9700\u5206\u5757\u91c7\u6837\u7b56\u7565\u3002<\/p>\n

    \u4e94\u3001\u603b\u7ed3<\/h3>\n

    MCU\u5e73\u53f0QR\u7801\u7eafC\u89e3\u7801\u65b9\u6848\u7684\u6838\u5fc3\u6570\u636e\u6c47\u603b：<\/p>\n\n\u73af\u8282\u8d44\u6e90\u5360\u7528\u8017\u65f6(M4@168MHz)<\/tr>\n\n\n\n\n\n\n\n
    Finder\u626b\u63cf<\/td>\n40KB\u7070\u5ea6\u5e27<\/td>\n8ms<\/td>\n<\/tr>\n
    \u4e8c\u503c\u5316<\/td>\n3.2KB\u4f4d\u56fe<\/td>\n5ms<\/td>\n<\/tr>\n
    \u900f\u89c6\u91c7\u6837<\/td>\n2KB\u6a21\u5757\u77e9\u9635<\/td>\n4ms<\/td>\n<\/tr>\n
    RS\u7ea0\u9519(V1-M)<\/td>\n8KB\u5de5\u4f5c\u533a+512B\u67e5\u8868<\/td>\n12ms<\/td>\n<\/tr>\n
    \u6570\u636e\u89e3\u6790<\/td>\n2KB\u8f93\u51fa\u7f13\u51b2<\/td>\n2ms<\/td>\n<\/tr>\n
    \u5168\u6d41\u7a0b<\/td>\n52KB\u5cf0\u503cRAM<\/td>\n31ms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5728Cortex-M4\u5e73\u53f0\u4e0a，31ms\u5b8c\u6210V1-M\u7248\u672cQR\u7801\u5168\u6d41\u7a0b\u89e3\u7801，RAM\u5cf0\u503c52KB，\u6ee1\u8db3128KB\u9884\u7b97\u3002GF\u67e5\u8868\u6cd5\u5c06RS\u7ea0\u9519\u8017\u65f6\u4ece\u7406\u8bba60ms\u964d\u81f312ms，\u662f\u6700\u5173\u952e\u7684\u5355\u9879\u4f18\u5316\u3002\u540e\u7eed\u65b9\u5411：\u652f\u6301V10\u4ee5\u4e0a\u7248\u672c\u7684\u5206\u5757\u91c7\u6837\u7b56\u7565，\u4ee5\u53ca\u5f15\u5165\u591a\u5e27\u878d\u5408\u4ee5\u63d0\u5347\u4f4e\u5149\u7167\u573a\u666f\u7684\u5b9a\u4f4d\u9c81\u68d2\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790：\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3
    \n\u4e00\u3001QR\u7801\u89e3\u7801\u6d41\u7a0b\u603b\u89c8\u4e0eMCU\u7ea6\u675f
    \nQR\u7801\u89e3\u7801\u662f\u4e00\u4e2a\u591a\u9636\u6bb5\u4fe1\u53f7\u5904\u7406\u6d41\u7a0b，\u5305\u542b\u56fe\u50cf\u91c7\u96c6\u3001\u5b9a\u4f4d\u3001\u4e8c\u503c\u5316\u3001\u91c7\u6837\u3001\u7ea0\u9519\u4e0e\u6570\u636e\u6062\u590d\u516d\u4e2a\u73af\u8282\u3002\u5728Cortex-M4（168MHz\u3001128KB RAM）\u5e73\u53f0\u4e0a\u5b9e\u73b0\u5b8c\u6574\u89e3\u7801，\u9700\u5728\u6bcf\u4e2a\u73af\u8282\u4e25\u683c\u63a7\u5236\u5185\u5b58\u4e0e\u8ba1\u7b97\u5f00\u9500\u3002
    \n\u5168\u6d41\u7a0b\u6570\u636e\u7279\u5f81：
    \n\u73af\u8282\u8f84\u5165\u8f84\u51fa\u5185\u5b58\u5cf0\u503c\u8ba1\u7b97\u7279\u5f81\u56fe\u50cf\u91c7\u96c6CMO<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9678,50],"topic":[],"class_list":["post-86067","post","type-post","status-publish","format-standard","hentry","category-server","tag-reed-solomon","tag-50"],"yoast_head":"\nMCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/86067.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790：\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 \u4e00\u3001QR\u7801\u89e3\u7801\u6d41\u7a0b\u603b\u89c8\u4e0eMCU\u7ea6\u675f QR\u7801\u89e3\u7801\u662f\u4e00\u4e2a\u591a\u9636\u6bb5\u4fe1\u53f7\u5904\u7406\u6d41\u7a0b，\u5305\u542b\u56fe\u50cf\u91c7\u96c6\u3001\u5b9a\u4f4d\u3001\u4e8c\u503c\u5316\u3001\u91c7\u6837\u3001\u7ea0\u9519\u4e0e\u6570\u636e\u6062\u590d\u516d\u4e2a\u73af\u8282\u3002\u5728Cortex-M4（168MHz\u3001128KB RAM）\u5e73\u53f0\u4e0a\u5b9e\u73b0\u5b8c\u6574\u89e3\u7801，\u9700\u5728\u6bcf\u4e2a\u73af\u8282\u4e25\u683c\u63a7\u5236\u5185\u5b58\u4e0e\u8ba1\u7b97\u5f00\u9500\u3002 \u5168\u6d41\u7a0b\u6570\u636e\u7279\u5f81： \u73af\u8282\u8f84\u5165\u8f84\u51fa\u5185\u5b58\u5cf0\u503c\u8ba1\u7b97\u7279\u5f81\u56fe\u50cf\u91c7\u96c6CMO\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/86067.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-27T20:08:22+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/86067.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/86067.html\",\"name\":\"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-07-27T20:08:22+00:00\",\"dateModified\":\"2026-07-27T20:08:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/86067.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/86067.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/86067.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/86067.html","og_locale":"zh_CN","og_type":"article","og_title":"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790：\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 \u4e00\u3001QR\u7801\u89e3\u7801\u6d41\u7a0b\u603b\u89c8\u4e0eMCU\u7ea6\u675f QR\u7801\u89e3\u7801\u662f\u4e00\u4e2a\u591a\u9636\u6bb5\u4fe1\u53f7\u5904\u7406\u6d41\u7a0b，\u5305\u542b\u56fe\u50cf\u91c7\u96c6\u3001\u5b9a\u4f4d\u3001\u4e8c\u503c\u5316\u3001\u91c7\u6837\u3001\u7ea0\u9519\u4e0e\u6570\u636e\u6062\u590d\u516d\u4e2a\u73af\u8282\u3002\u5728Cortex-M4（168MHz\u3001128KB RAM）\u5e73\u53f0\u4e0a\u5b9e\u73b0\u5b8c\u6574\u89e3\u7801，\u9700\u5728\u6bcf\u4e2a\u73af\u8282\u4e25\u683c\u63a7\u5236\u5185\u5b58\u4e0e\u8ba1\u7b97\u5f00\u9500\u3002 \u5168\u6d41\u7a0b\u6570\u636e\u7279\u5f81： \u73af\u8282\u8f84\u5165\u8f84\u51fa\u5185\u5b58\u5cf0\u503c\u8ba1\u7b97\u7279\u5f81\u56fe\u50cf\u91c7\u96c6CMO","og_url":"https:\/\/www.wsisp.com\/helps\/86067.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-07-27T20:08:22+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/86067.html","url":"https:\/\/www.wsisp.com\/helps\/86067.html","name":"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-07-27T20:08:22+00:00","dateModified":"2026-07-27T20:08:22+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/86067.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/86067.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/86067.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"MCU\u5e73\u53f0QR\u7801\u89e3\u7801\u5f15\u64ce\u5b9e\u73b0\u5206\u6790\uff1a\u4ece\u56fe\u50cf\u4e8c\u503c\u5316\u5230Reed-Solomon\u7ea0\u9519\u7684\u7eafC\u65b9\u6848\u8be6\u89e3"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/86067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=86067"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/86067\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=86067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=86067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=86067"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=86067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}