esp_modem_at() returning partial response from AT command

[indigilog]

Hello, I am using esp_modem component to communicate with EC200 Quectel SIM module to get GPS location data. I used initialise the module and started GPS context and trying to fetch location using "AT+QGPSLOC=0\r" command. But the method is only returning a partial response

Expected response:
+QGPSLOC: 061951.000,3150.7223N,11711.9293E,0.7,62.2,2,000.00,0.0,0.0,110513,09

But I am getting: 00,0.0,0.0,110513,09 Just the few tail end characters.

Here is the code which I am calling

Code: Select all

        char loc[100]; // = "+QGPSLOC: 061951.000,3150.7223N,11711.9293E,0.7,62.2,2,000.00,0.0,0.0,110513,09";
        while (1)
        {
            memset(loc, 0, sizeof(loc));  // Clear the buffer
            err = esp_modem_at(dce, "AT+QGPSLOC=0\r", loc, 10000);
            if (err != ESP_OK)
            {
                ESP_LOGE(TAG, "Get Location failed with %d", err);
                // return;
            }
            else
            {
                ESP_LOGI(TAG, "Location: %s", loc);
            }
            vTaskDelay(1000 / portTICK_PERIOD_MS);
        }

[amitgohel]

I am also facing the same problem.I am able to send and receive MQTT data but when any custom code I am tring to use some unknown characters are inbetween the received data,it breaks the string and partial message is received.

If anyone know the method to send and receive the AT command in CMUX enabled, Please share.