Diff: ds18b20-single/DS18B20.h

Revision:

0:47b4bbc994df

diff -r 000000000000 -r 47b4bbc994df ds18b20-single/DS18B20.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ds18b20-single/DS18B20.h	Sun May 29 16:30:05 2022 -0400
@@ -0,0 +1,59 @@
+/*	MIT License
+*
+*	Copyright (c) 2020 Lukas Gessner
+*
+*	Permission is hereby granted, free of charge, to any person obtaining a copy
+*	of this software and associated documentation files (the "Software"), to deal
+*	in the Software without restriction, including without limitation the rights
+*	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+*	copies of the Software, and to permit persons to whom the Software is
+*	furnished to do so, subject to the following conditions:
+*
+*	The above copyright notice and this permission notice shall be included in all
+*	copies or substantial portions of the Software.
+*
+*	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+*	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+*	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+*	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+*	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+*	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+*	SOFTWARE.
+*/
+
+#ifndef DS18B20_h
+#define DS18B20_h
+
+#include "mbed.h"
+
+
+#define OWI_SKIP_ROM 0xCC
+#define DS18B20_START 0x44
+#define DS18B20_READ_SCRATCH_PAD 0xBE
+
+class OWI
+{
+	public:
+		OWI(PinName pin);
+		void sendByte(unsigned char data);
+		unsigned char receiveByte();
+		unsigned char detectPresence();
+		
+	private:
+		void write0();
+		void write1();
+		unsigned char readBit();
+		DigitalInOut owi_io;
+};
+
+class DS18B20
+{
+	public: 
+		DS18B20(PinName pin);
+		float readTemp();
+	
+	private:
+		OWI DS18B20_OWI;
+};
+
+#endif
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