board abstraction

firmware/src/board/dio.h

@@ -0,0 +1,39 @@
+#ifndef DIGITAL_OUT_H_
+#define DIGITAL_OUT_H_
+
+/**** Includes ****/
+#include <stdint.h>
+
+namespace board {
+
+/**** Public definitions ****/
+const int8_t DIO_LOW  = 0;
+const int8_t DIO_HIGH = 1;
+const int8_t DIO_HIZ   = -1;
+
+class DigitalIO
+{
+	protected:
+	uint8_t gpio_ch;
+	int8_t last_set;
+	
+	public:
+	DigitalIO(uint8_t gpio_ch, uint8_t init_read);
+	~DigitalIO(void);
+	
+	uint8_t last_read;
+	
+	uint8_t read(void);
+	void write(int8_t level);
+	uint8_t is_io_match(void);
+	int8_t get_set_level(void);
+};
+
+/**** Public function declarations ****/
+
+#ifdef TESTING
+#endif
+
+} //namespace
+
+#endif /* DIGITAL_OUT_H_ */