🚗 LED 3位数点阵显示工程：数字布局调整为 [2空+7亮+1空]x3 + 左右各1列边界（附模拟器/C验证）
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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static const unsigned char Code_Number_16_12[17][32] = {
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/* 0 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 1 */ { 0x00, 0x00, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x00, 0x00 },
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/* 2 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 3 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 4 */ { 0x00, 0x00, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x00, 0x00 },
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/* 5 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 6 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 7 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x00, 0x00 },
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/* 8 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 9 */ { 0x00, 0x00, 0x3F, 0x02, 0x3F, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x31, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x3F, 0x02, 0x3F, 0x02, 0x00, 0x00 },
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/* 10 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 11 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 12 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 13 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 14 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 15 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 16 */ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
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};
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/* 模拟: 填充 + 新移位 (照抄 led3number_new.c 逻辑) */
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static void process(const uint8_t chars[4], uint8_t out[4][16])
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{
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uint8_t code12[8][16];
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int roll, i;
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memset(code12, 0, sizeof(code12));
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for (roll = 0; roll < 4; roll++) {
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uint8_t cc = chars[roll];
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for (i = 0; i < 16; i++) {
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if (cc == 0x20) {
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code12[roll*2][i] = Code_Number_16_12[10][i*2];
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code12[roll*2+1][i] = Code_Number_16_12[10][i*2+1];
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} else {
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code12[roll*2][i] = Code_Number_16_12[cc-0x30][i*2];
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code12[roll*2+1][i] = (uint8_t)(Code_Number_16_12[cc-0x30][i*2+1] << 6);
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}
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}
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}
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for (i = 0; i < 16; i++) {
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uint8_t s2 = code12[2][i];
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uint8_t s3 = code12[3][i];
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uint8_t s4 = code12[4][i];
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uint8_t s5 = code12[5][i];
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uint8_t s6 = code12[6][i];
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uint8_t s7 = code12[7][i];
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code12[2][i] = (uint8_t)((s2 >> 1) & 0x1F);
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code12[3][i] = (uint8_t)(((s2 & 0x01) << 7) | ((s3 >> 1) & 0x40) | ((s4 >> 3) & 0x07));
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code12[4][i] = (uint8_t)(((s4 & 0x07) << 5) | ((s5 & 0x80) >> 3) | ((s6 >> 5) & 0x01));
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code12[5][i] = (uint8_t)(((s6 & 0x1F) << 3) | ((s7 & 0x80) >> 5));
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}
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memcpy(out, &code12[2][0], 64);
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}
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static void render(const char *name, const uint8_t out[4][16])
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{
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int r, c;
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printf("=== %s ===\n", name);
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printf("col: ");
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for (c = 0; c < 32; c++) printf("%d", c % 10);
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printf("\n");
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for (r = 0; r < 16; r++) {
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printf("%2d ", r);
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for (c = 0; c < 32; c++) {
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uint8_t byte = out[c/8][r];
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int bit = (byte >> (7 - (c % 8))) & 1;
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putchar(bit ? '#' : '.');
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}
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printf("\n");
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}
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}
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int main(void)
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{
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uint8_t out[4][16];
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/* 字符: 第1个被丢弃(协议), 后3个显示; 0x20=空格 */
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process((uint8_t[]){'1','2','3','0'}, out); render("NEW 123+0", out);
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process((uint8_t[]){' ','4','5','6'}, out); render("NEW 456+7", out);
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process((uint8_t[]){'8','8','8','8'}, out); render("NEW 888+8", out);
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return 0;
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}
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