int dht_read(int pin, int* temp, int* humid) { // 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... int16_t t = 0; int16_t h = 0; gpio_set_pullup(pin, false, false); if (!dht_read_data(pin, &h, &t)) return -1; printf("Humidity: %d%% Temp: %dC\n", h, t); *temp = t; *humid = h; return 0; }
void dhtMeasurementTask(void *pvParameters) { int16_t temperature = 0; int16_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_read_data(dht_gpio, &humidity, &temperature)) { printf("Humidity: %d%% Temp: %dC\n", humidity / 10, temperature / 10); } else { printf("Could not read data from sensor\n"); } // Three second delay... vTaskDelay(3000 / portTICK_RATE_MS); } }
int8_t dht_read(struct dht *self, int8_t *temperature, int8_t *humidity) { return dht_read_data(self, temperature, humidity); }