请问是at组件问题 还是6315模块问题

stm405 ;rt-thread studio 1.1.5; at-2.03 ; rt-thread 4.02，中移物联的M6315模组

int gprs_socket_send(int socketid, const uint8_t *buf, const int buf_size, const int flags)
{
    int ret;
    at_response_t resp = RT_NULL;
    char para_exp[32];
    uint32_t event = 0;
    int event_result;

    if (buf == NULL || buf_size > AT_MAX_PAYLOAD_LEN || socketid >= MAX_SOCKET_NUM)
    {
        rt_kprintf("--->[Error] Invalid args \r\n");
        return AT_INVALID_DATA;
    }

    //resp = at_create_resp(128, 2, 20 * RT_TICK_PER_SECOND);
    resp = at_create_resp(128, 2, AT_IPSEND_TIMEOUT);
    if (resp == RT_NULL)
    {
        //LOG_E("no memory for resp create.");
        return -RT_ENOMEM;
    }

    // clear socket connect event
    event = SET_EVENT(socketid, GPRS_EVENT_SEND_OK | GPRS_EVENT_SEND_FAIL);
    gprs_socket_event_recv(event, 0, RT_EVENT_FLAG_OR);

    at_set_end_sign('>');

    memset(para_exp, 0, sizeof(para_exp));
    snprintf(para_exp, sizeof(para_exp), "%s=%d,%d", AT_IPSEND, socketid, buf_size);
    //ret = at_client_dev_cmd(para_exp, strlen(para_exp), ">", NULL, NULL);
    ret = at_exec_cmd(resp, para_exp);
    if (ret < 0)
    {
        rt_kprintf("--->[Error] 1gprs_socket_send_str fail ! ret=%d str=%s\r\n", ret, buf);
        ret = -RT_ERROR;
        goto __exit;
    }

    //ret = at_client_dev_cmd(buf, buf_size, "SEND OK", AT_IPSEND_RESP_LINE, NULL, NULL);
    ret = at_client_send(buf, buf_size);
    if (ret <= 0)
    {
        rt_kprintf("--->[Error] 2gprs_socket_send_str fail ! ret=%d str=%s\r\n", ret, buf);
        ret = -RT_ERROR;
        goto __exit;
    }

    // waiting result event from AT URC
    event = SET_EVENT(socketid, 0);
    if (gprs_socket_event_recv(event , 20 * RT_TICK_PER_SECOND, RT_EVENT_FLAG_OR) < 0)
    {
        LOG_E("device socket(%d) wait send result timeout.", socketid);
        ret = -RT_ETIMEOUT;
        goto __exit;
    }

    // waiting OK or failed result
    event = SET_EVENT(socketid, GPRS_EVENT_SEND_OK | GPRS_EVENT_SEND_FAIL);
    event_result = gprs_socket_event_recv(event , 15 * RT_TICK_PER_SECOND, RT_EVENT_FLAG_OR);
    if (event_result < 0)
    {
        LOG_E("device socket(%d) wait send connect OK|FAIL timeout.", socketid);
        ret = -RT_ETIMEOUT;
        goto __exit;
    }

    // check result
    if (event_result & GPRS_EVENT_SEND_FAIL)
    {
        LOG_E("device socket(%d) send failed.",  socketid);
        ret = -RT_ERROR;
        goto __exit;
    }

__exit:
    /* reset the end sign for data conflict */
    at_set_end_sign(0);

    //rt_mutex_release(lock);

    if (resp)
    {
        at_delete_resp(resp);
    }

    return ret;
}

协议

发送和接收数据情况

AT+QISEND=0,6
这个正确

AT+QISEND=0,87
这个就不符合要求了

什么会出现这样的情况呢？是at组件问题？ 还是6315模块问题？

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