充电桩设计之4G模块 imei

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void dx_get_lte_imei(void)
{
    // char cmd[64] = {0};
    //char result[512] = {0};
    int ret = -1;
    char *pcTmp = NULL;
    char *pcOut = g_imei;
    unsigned char  *cmd = at_tx_buffer;
    unsigned char *result = at_rx_buffer;
    unsigned char result_len = 0;
    printf("g_imei:%sn", g_imei);
    if (dx_check_imei(g_imei))
    {
        // snprintf(imei, imei_len, "%s", g_imei);
        printf("imei haved get ,is %srn",g_imei);
        return;
    }
    memset(at_tx_buffer,0,UART2_TX_BUFFER_LEN);
    memset((char*)at_rx_buffer,0,UART2_RX_BUFFER_LEN);
    snprintf((char*)at_tx_buffer,UART2_TX_BUFFER_LEN, "%s",AT_GSN);
    ret = AT_cmd(cmd, strlen((const char*)cmd), result,&result_len);
    /*
    	AT+GSN
    	865860040521701

    	OK

    */
    printf("ret=%d rn", ret);
    printf("strstr(result, OK=0x%08x rn", (unsigned int)strstr((const char*)result, "OK