最近遇到一个问题，先看看如下代码：uint8_t Bcd2Dec01(uint8_t bcd) { uint8_t one = (bcd & 0x0F); uint8_t ten = (bcd & 0xF0) >> 4; if ((one > 9) || (ten > 9)) { printf("请输入合法的BCD码！"); return 0
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