#include "esp_log.h" #include #include #include #include // Die Header-Datei mit DS18B20-Funktionen #include int app_main() { // Create variable for handler ds18b20_handler_t sensor; // Check for any initialization failures if (!ds18b20_init(&sensor, GPIO_NUM_2, TEMP_RES_12_BIT)) { ESP_LOGE("TAG", "Failed to initalize DS18B20!"); return 0; // Exit } float temp = 0; // If you doesn't convert temperature you may read 85.0 Celsius, // as it is default temperature set by DS18B20 if convert command wasn't issued. // Read temperature printf("hit"); for(int i = 0; i < 30; ++i) { // Initalize conversion ds18b20_convert_temp(&sensor); temp = ds18b20_read_temp(&sensor); vTaskDelay(5000 / portTICK_PERIOD_MS); printf("\n"); printf( "Temperature = %.4f", temp); }; // Print temperature with 4 decimal places // (12 bit resolution measurement accuracy is 0.0625 Celsius) ESP_LOGI("TAG", "Temperature = %.4f", temp); return 0; }