static int handle_GET_humidity(coap_rw_buffer_t *scratch, const coap_packet_t *inpkt, coap_packet_t *outpkt, uint8_t id_hi, uint8_t id_lo)
{
char response[16];
int chk = DHT.read22(DHT22PIN);
switch (chk)
{
case DHTLIB_OK:
// 1H30 de travail : pour trouver la seule fonction du monde en AVR capable de transormer un double en string
dtostrf(DHT.humidity, 5, 2, response);
break;
case DHTLIB_ERROR_CHECKSUM:
strncpy(response, "Checksum error", 16);
break;
case DHTLIB_ERROR_TIMEOUT:
strncpy(response, "Time out error", 16);
break;
case DHTLIB_ERROR_CONNECT:
strncpy(response, "Connect error", 16);
break;
case DHTLIB_ERROR_ACK_L:
strncpy(response, "Ack Low error", 16);
break;
case DHTLIB_ERROR_ACK_H:
strncpy(response, "Ack High error", 16);
break;
default:
strncpy(response, "Unknown error", 16);
break;
}
return coap_make_response(scratch, outpkt, (const uint8_t *)response, strlen(response), id_hi, id_lo, &inpkt->tok, COAP_RSPCODE_CONTENT, COAP_CONTENTTYPE_TEXT_PLAIN);
}
void loop()
{
// Blink LED
// blink();
// Humidity from YL-38
// Serial.println("------ YL-38 ------");
// Serial.print("Humidity: ");
// // Serial.print((float)getHumidityYL38()/10.24);
// // Serial.println("\%");
// Serial.println(getHumidityYL38());
// Temperature and humidity from DHT11
// dht11.read(4);
// Read DHT22 data
// Serial.print("DHT22, \t");
// int chk = DHT.read22(DHT22_PIN);
// switch (chk)
// {
// case DHTLIB_OK:
// Serial.print("OK,\t");
// break;
// case DHTLIB_ERROR_CHECKSUM:
// Serial.print("Checksum error,\t");
// break;
// case DHTLIB_ERROR_TIMEOUT:
// Serial.print("Time out error,\t");
// break;
// default:
// Serial.print("Unknown error,\t");
// break;
// }
// Display data: human readable
// Serial.println();
// Serial.println("------ DHT22 ------");
// Serial.print("Temperature: ");
// Serial.println(DHT.temperature, 1);
// Serial.print("Humidity: ");
// Serial.print(DHT.humidity, 1);
// Serial.print("\% ");
int chk = DHT.read22(DHT22_PIN);
switch (chk)
{
case DHTLIB_OK:
Serial.println();
Serial.print("temp: ");
Serial.println(DHT.temperature, 1);
Serial.print("humi: ");
Serial.println(DHT.humidity, 1);
break;
case DHTLIB_ERROR_CHECKSUM:
break;
case DHTLIB_ERROR_TIMEOUT:
break;
default:
break;
}
delay(500);
}