ESP32 Forum

Posted: **Sun May 23, 2021 3:13 pm**

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void send_deviceData(){
    //static const char *buff="test";
    char buff[100]={"0"};
    sprintf(buff,"{'DeviceId':%s,'DeviceName':%s,'Mode':%d,'Power':%d,"
    "'ProNum':%s}",deviceData.DeviceId,deviceData.DeviceName,
    deviceData.Mode,deviceData.Power,deviceData.ProNum);
 
    while(1){
        int err = send(sock, buff, strlen(buff), 0);
        if (err < 0) {
            ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno);
        }
        /*
        else{
            //ESP_LOGE(TAG, "Send bytes success,content");
        }
        */
    vTaskDelay(2000/portTICK_RATE_MS);
    }
    vTaskDelete(send_devdahandle);
 
}

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when i use xTaskCreate(send_deviceData, "send_deviceData", 1024, NULL,3, send_devdahandle) to create a new task,above is the task fun(),but when i remove this part of the code

Code: [Select all] [Expand/Collapse]

        
else{
//ESP_LOGE(TAG, "Send bytes success,content");
 }

the problem disappeared.

Attachment is serial port printing information.

Posted: **Sun May 23, 2021 3:59 pm**

Its because task stack size is only 1024 bytes. If you are using any functions to print logs in task then it should be over 3 or 3.5kB (dont remember accurate value). Save is to set it to 4kB, as you may use task stack for other variables too.

ESP32 Forum

ESP_LOGE let the esp32 restat,when i use this fun(),want to know the reason?

ESP_LOGE let the esp32 restat,when i use this fun(),want to know the reason?

Re: ESP_LOGE let the esp32 restat,when i use this fun(),want to know the reason?