Function dump_cmd_pkt

components/vbus/vbus.c:587–609

static char _cmd_dump_buf[64];
static char* dump_cmd_pkt(unsigned char *dp, size_t dsize)
{
    size_t len;

    if (dp[0] == RT_VBUS_CHN0_CMD_ACK || dp[0] == RT_VBUS_CHN0_CMD_NAK )
    {
        len = rt_snprintf(_cmd_dump_buf, sizeof(_cmd_dump_buf),
                          "%s ", rt_vbus_cmd2str[dp[0]]);
        len += __dump_naked_cmd(_cmd_dump_buf+len, sizeof(_cmd_dump_buf)-len,
                                dp+1, dsize-1);
    }
    else
    {
        len = __dump_naked_cmd(_cmd_dump_buf, sizeof(_cmd_dump_buf),
                               dp, dsize);
    }

    if (len > sizeof(_cmd_dump_buf) - 1)
        len = sizeof(_cmd_dump_buf) - 1;

    _cmd_dump_buf[len] = '\0';
    return _cmd_dump_buf;
}

static rt_err_t _chn0_echo_with(rt_uint8_t prefix,
                                rt_uint32_t dsize,