ESP32 Forum

Code: Select all

oid coreD(void){
 
    const esp_partition_t *pt = NULL;
    size_t bytestoread = 256;
    size_t bytesread = 0;
    char str_dst[256];
 
    pt = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_COREDUMP, "coredump");
 
    if (pt != NULL)
    {
        size = pt->size;
        printf("POINTER IS NOT NULL \n");
 
        while(bytestoread > 0)
        {
            printf("STARTING PARTION READ \n");
            printf("Remaining partition size : %zu \n",size);
 
            esp_err_t er = esp_partition_read(pt, bytesread ,str_dst, bytestoread);
 
            printf("PARTITION READ \n");
            printf("%s",str_dst);
 
            if (er != ESP_OK)
            {
                printf("READ IS NOT OK!\n");
                ESP_LOGE(TAG,"Partition read error : %s", esp_err_to_name(er));
                return ;
            }
 
            else if (er == ESP_OK)
            {
                printf("\n READ IS OK!\n");
                bytesread = bytesread +256;
                size = size - 256;
 
                if(size <= 256)
                {
                    bytestoread = size;
                }
            }
        }
    }
}

Code: Select all

TARTING PARTION READ
PARTITION READ
▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒@READ IS OK!
STARTING PARTION READ
PARTITION READ
▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒@READ IS OK!
STARTING PARTION READ
PARTITION READ
▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒@READ IS OK!

Code: Select all

void app_main()
{
    
    extern struct tm timeinfo;
    extern char strftime_buf[64];
    
    
    char buf[30];
    //define variables for determining wakeup time
    int TfutH = 17+15;
    int TfutM = 60;
    int TfutS = 60;
    uint64_t TdiffH;
    uint64_t TdiffM;
    uint64_t TdiffS;
    uint64_t Tdiff;
    //allocate memory to the heap
    char* datep = (char*)malloc(sizeof(char)*(sizeof(buf)+1));
    if(datep == NULL){
        abort();
    }
    void* work = NULL;
    work = ff_memalloc(FF_MAX_SS);
    if(work == NULL){
        abort();
    }
    char* test = malloc((74)*sizeof(char));
    if(test == NULL){
        abort();
    }
    char* location = malloc(50*sizeof(char));
    if(location == NULL){
        abort();
    }
    char* errorcond = (char*)malloc(sizeof(char) * 40);
    if(errorcond == NULL){
        abort();
    }
    size_t ersize = sizeof(errorcond);
    
    esp_err_t ret = nvs_flash_init();
    if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
        ESP_ERROR_CHECK(nvs_flash_erase());
        ret = nvs_flash_init();
    }
    ESP_ERROR_CHECK(ret);
    //initialize wifi and wait for it to be connected
    app_wifi_initialise();
    app_wifi_wait_connected();
    coreD();
    abort();
    ...
    ...
    ...
    }
    

Code: Select all

  pt = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_COREDUMP, "coredump");

Code: Select all

er = esp_partition_erase_range(pt,pt->address,pt->size);

Code: Select all

er = esp_partition_erase_range(pt,0,pt->size);