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| author | Florian Pritz <bluewind@xinu.at> | 2014-06-18 11:48:46 +0200 |
|---|---|---|
| committer | Florian Pritz <bluewind@xinu.at> | 2014-06-18 11:48:46 +0200 |
| commit | 4c6444650da3a0aa1e2e9b00f42cc4e2af057fe6 (patch) | |
| tree | d245d54eec7575d06d69d9a54598ef828779a2ed /lib/DHT_sensor_library/DHT.h | |
| download | templogger-v2-4c6444650da3a0aa1e2e9b00f42cc4e2af057fe6.tar.gz templogger-v2-4c6444650da3a0aa1e2e9b00f42cc4e2af057fe6.tar.xz | |
initial commit
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Diffstat (limited to 'lib/DHT_sensor_library/DHT.h')
| -rw-r--r-- | lib/DHT_sensor_library/DHT.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/DHT_sensor_library/DHT.h b/lib/DHT_sensor_library/DHT.h new file mode 100644 index 0000000..1c78c87 --- /dev/null +++ b/lib/DHT_sensor_library/DHT.h @@ -0,0 +1,39 @@ +#ifndef DHT_H
+#define DHT_H
+#if ARDUINO >= 100
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+
+/* DHT library
+
+MIT license
+written by Adafruit Industries
+*/
+
+// how many timing transitions we need to keep track of. 2 * number bits + extra
+#define MAXTIMINGS 85
+
+#define DHT11 11
+#define DHT22 22
+#define DHT21 21
+#define AM2301 21
+
+class DHT {
+ private:
+ uint8_t data[6];
+ uint8_t _pin, _type, _count;
+ boolean read(void);
+ unsigned long _lastreadtime;
+ boolean firstreading;
+
+ public:
+ DHT(uint8_t pin, uint8_t type, uint8_t count=6);
+ void begin(void);
+ float readTemperature(bool S=false);
+ float convertCtoF(float);
+ float readHumidity(void);
+
+};
+#endif
|