/* * * This sample code is in the public domain. */ #include "espressif/esp_common.h" #include "esp/uart.h" #include "FreeRTOS.h" #include "task.h" #include "dht.h" #include "esp8266.h" /* An example using the ubiquitous DHT** humidity sensors * to read and print a new temperature and humidity measurement * from a sensor attached to GPIO pin 4. */ int const dht_gpio = 4; void dhtMeasurementTask(void *pvParameters) { int8_t temperature = 0; int8_t humidity = 0; // DHT sensors that come mounted on a PCB generally have // pull-up resistors on the data pin. It is recommended // to provide an external pull-up resistor otherwise... gpio_set_pullup(dht_gpio, false, false); while(1) { if (dht_fetch_data(dht_gpio, &humidity, &temperature)) { printf("Humidity: %i%% Temp: %iC\n", humidity, temperature); } else { printf("Could not read data from sensor..."); } // Three second delay... vTaskDelay(3000 / portTICK_RATE_MS); } } void user_init(void) { uart_set_baud(0, 115200); xTaskCreate(dhtMeasurementTask, (signed char *)"dhtMeasurementTask", 256, NULL, 2, NULL); }