Program za ispit
Dependencies: mbed
Dht11.h@0:ff77d67fd52a, 2019-03-29 (annotated)
- Committer:
- Filip10
- Date:
- Fri Mar 29 18:02:34 2019 +0000
- Revision:
- 0:ff77d67fd52a
.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Filip10 | 0:ff77d67fd52a | 1 | #ifndef DHT11_H |
Filip10 | 0:ff77d67fd52a | 2 | #define DHT11_H |
Filip10 | 0:ff77d67fd52a | 3 | |
Filip10 | 0:ff77d67fd52a | 4 | #include "mbed.h" |
Filip10 | 0:ff77d67fd52a | 5 | |
Filip10 | 0:ff77d67fd52a | 6 | #define DHTLIB_OK 0 |
Filip10 | 0:ff77d67fd52a | 7 | #define DHTLIB_ERROR_CHECKSUM -1 |
Filip10 | 0:ff77d67fd52a | 8 | #define DHTLIB_ERROR_TIMEOUT -2 |
Filip10 | 0:ff77d67fd52a | 9 | |
Filip10 | 0:ff77d67fd52a | 10 | /** Class for the DHT11 sensor. |
Filip10 | 0:ff77d67fd52a | 11 | * |
Filip10 | 0:ff77d67fd52a | 12 | * Example: |
Filip10 | 0:ff77d67fd52a | 13 | * @code |
Filip10 | 0:ff77d67fd52a | 14 | * #include "mbed.h" |
Filip10 | 0:ff77d67fd52a | 15 | * #include "Dht11.h" |
Filip10 | 0:ff77d67fd52a | 16 | * |
Filip10 | 0:ff77d67fd52a | 17 | * Serial pc(USBTX, USBRX); |
Filip10 | 0:ff77d67fd52a | 18 | * Dht11 sensor(PTD7); |
Filip10 | 0:ff77d67fd52a | 19 | * |
Filip10 | 0:ff77d67fd52a | 20 | * int main() { |
Filip10 | 0:ff77d67fd52a | 21 | * sensor.read() |
Filip10 | 0:ff77d67fd52a | 22 | * pc.printf("T: %f, H: %d\r\n", sensor.getFahrenheit(), sensor.getHumidity()); |
Filip10 | 0:ff77d67fd52a | 23 | * } |
Filip10 | 0:ff77d67fd52a | 24 | * @endcode |
Filip10 | 0:ff77d67fd52a | 25 | */ |
Filip10 | 0:ff77d67fd52a | 26 | class Dht11 |
Filip10 | 0:ff77d67fd52a | 27 | { |
Filip10 | 0:ff77d67fd52a | 28 | public: |
Filip10 | 0:ff77d67fd52a | 29 | /** Construct the sensor object. |
Filip10 | 0:ff77d67fd52a | 30 | * |
Filip10 | 0:ff77d67fd52a | 31 | * @param pin PinName for the sensor pin. |
Filip10 | 0:ff77d67fd52a | 32 | */ |
Filip10 | 0:ff77d67fd52a | 33 | Dht11(PinName const &p); |
Filip10 | 0:ff77d67fd52a | 34 | |
Filip10 | 0:ff77d67fd52a | 35 | /** Update the humidity and temp from the sensor. |
Filip10 | 0:ff77d67fd52a | 36 | * |
Filip10 | 0:ff77d67fd52a | 37 | * @returns |
Filip10 | 0:ff77d67fd52a | 38 | * 0 on success, otherwise error. |
Filip10 | 0:ff77d67fd52a | 39 | */ |
Filip10 | 0:ff77d67fd52a | 40 | int read(); |
Filip10 | 0:ff77d67fd52a | 41 | |
Filip10 | 0:ff77d67fd52a | 42 | /** Get the temp(f) from the saved object. |
Filip10 | 0:ff77d67fd52a | 43 | * |
Filip10 | 0:ff77d67fd52a | 44 | * @returns |
Filip10 | 0:ff77d67fd52a | 45 | * Fahrenheit float |
Filip10 | 0:ff77d67fd52a | 46 | */ |
Filip10 | 0:ff77d67fd52a | 47 | float getFahrenheit(); |
Filip10 | 0:ff77d67fd52a | 48 | |
Filip10 | 0:ff77d67fd52a | 49 | /** Get the temp(c) from the saved object. |
Filip10 | 0:ff77d67fd52a | 50 | * |
Filip10 | 0:ff77d67fd52a | 51 | * @returns |
Filip10 | 0:ff77d67fd52a | 52 | * Celsius int |
Filip10 | 0:ff77d67fd52a | 53 | */ |
Filip10 | 0:ff77d67fd52a | 54 | int getCelsius(); |
Filip10 | 0:ff77d67fd52a | 55 | |
Filip10 | 0:ff77d67fd52a | 56 | /** Get the humidity from the saved object. |
Filip10 | 0:ff77d67fd52a | 57 | * |
Filip10 | 0:ff77d67fd52a | 58 | * @returns |
Filip10 | 0:ff77d67fd52a | 59 | * Humidity percent int |
Filip10 | 0:ff77d67fd52a | 60 | */ |
Filip10 | 0:ff77d67fd52a | 61 | int getHumidity(); |
Filip10 | 0:ff77d67fd52a | 62 | |
Filip10 | 0:ff77d67fd52a | 63 | private: |
Filip10 | 0:ff77d67fd52a | 64 | /// percentage of humidity |
Filip10 | 0:ff77d67fd52a | 65 | int _humidity; |
Filip10 | 0:ff77d67fd52a | 66 | /// celsius |
Filip10 | 0:ff77d67fd52a | 67 | int _temperature; |
Filip10 | 0:ff77d67fd52a | 68 | /// pin to read the sensor info on |
Filip10 | 0:ff77d67fd52a | 69 | DigitalInOut _pin; |
Filip10 | 0:ff77d67fd52a | 70 | /// times startup (must settle for at least a second) |
Filip10 | 0:ff77d67fd52a | 71 | Timer _timer; |
Filip10 | 0:ff77d67fd52a | 72 | }; |
Filip10 | 0:ff77d67fd52a | 73 | |
Filip10 | 0:ff77d67fd52a | 74 | #endif |