将short类型转换为char类型

void short2char(uint8_t *charstr, uint16_t *shortstr, int len)
{
    int x = 0;
    int y = 0;
    for (x; x < len; x++)
    {
        charstr[x++] = shortstr[y] >> 8;
        if (2 * y + 1 >= len)
            continue;
        charstr[x] = (shortstr[y++]) & 0xff;
    }
}