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Nucleo_DHT11_Example
Simple example to read humidity and temperature from DHT11 sensor
main.cpp@0:dbffab632178, 2017-04-05 (annotated)
- Committer:
- ledonger
- Date:
- Wed Apr 05 14:04:25 2017 +0000
- Revision:
- 0:dbffab632178
First commit and wokring version. main.c example and DHT11.h classes
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ledonger | 0:dbffab632178 | 1 | #include "mbed.h" |
ledonger | 0:dbffab632178 | 2 | #include "DHT11.h" |
ledonger | 0:dbffab632178 | 3 | |
ledonger | 0:dbffab632178 | 4 | //Tested with success on STM32 Nucleo L476 |
ledonger | 0:dbffab632178 | 5 | |
ledonger | 0:dbffab632178 | 6 | DigitalIn mybutton(USER_BUTTON); |
ledonger | 0:dbffab632178 | 7 | Serial pc(SERIAL_TX, SERIAL_RX); |
ledonger | 0:dbffab632178 | 8 | |
ledonger | 0:dbffab632178 | 9 | DHT11 dht(A1); |
ledonger | 0:dbffab632178 | 10 | |
ledonger | 0:dbffab632178 | 11 | |
ledonger | 0:dbffab632178 | 12 | int main() { |
ledonger | 0:dbffab632178 | 13 | pc.printf("DHT11 Reader example\n"); |
ledonger | 0:dbffab632178 | 14 | while(1) { |
ledonger | 0:dbffab632178 | 15 | if(mybutton == 0){ |
ledonger | 0:dbffab632178 | 16 | if(dht.readData() < 0){ |
ledonger | 0:dbffab632178 | 17 | pc.printf("Error while reading\n\r"); |
ledonger | 0:dbffab632178 | 18 | } |
ledonger | 0:dbffab632178 | 19 | else{ |
ledonger | 0:dbffab632178 | 20 | pc.printf("Temperature:%d\n\r",dht.getTemperature()); |
ledonger | 0:dbffab632178 | 21 | pc.printf("Humidity:%d\n\r",dht.getHumidity()); |
ledonger | 0:dbffab632178 | 22 | } |
ledonger | 0:dbffab632178 | 23 | |
ledonger | 0:dbffab632178 | 24 | } |
ledonger | 0:dbffab632178 | 25 | } |
ledonger | 0:dbffab632178 | 26 | } |