#include "esp_log.h" #include #include #include #include // Die Header-Datei mit DS18B20-Funktionen #include #include #include struct appldata; /* struct appldata{ uint8_t mac[6]; float temp; float battaryVoltage; unsigned long upTime; } */ int app_main() { // Variable to store the MAC address uint8_t baseMac[6]; long uptime = (xTaskGetTickCount() * (1000/configTICK_RATE_HZ)); // Get MAC address of the WiFi station interface esp_read_mac(baseMac, ESP_MAC_WIFI_STA); printf("Station MAC: "); for (int i = 0; i < 5; i++) { printf("%02X:", baseMac[i]); } printf("%02X\n", baseMac[5]); printf( "Uptime = %d\n", (xTaskGetTickCount() * (1000/configTICK_RATE_HZ))); // 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; 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\n", temp); printf( "Uptime = %d", (xTaskGetTickCount() * (1000/configTICK_RATE_HZ))); }; // Print temperature with 4 decimal places // (12 bit resolution measurement accuracy is 0.0625 Celsius) ESP_LOGI("TAG", "Temperature = %.4f", temp); return 0; }