feat-hal-2 (#4)

Finished working initial version

Co-authored-by: Andis Zīle <andis.jarganns@gmail.com>
Reviewed-on: #4
Co-authored-by: Andis Zīle <andis.jargans@gmail.com>
Co-committed-by: Andis Zīle <andis.jargans@gmail.com>

firmware/src/utils/vcounter.h

@@ -0,0 +1,42 @@
+#ifndef VIRTUAL_COUNTER_H_
+#define VIRTUAL_COUNTER_H_
+
+/**** Includes ****/
+#include <stdint.h>
+
+namespace util {
+
+/**** Public definitions ****/
+class VCounter
+{	
+	public:
+	VCounter(void);
+	~VCounter(void);
+	
+	void init(uint16_t top, uint16_t step_us);
+	
+	uint8_t disabled;
+	
+	void reset(void);
+	void increment(void);
+	uint16_t read(void);
+	uint32_t read_ms(void);
+	uint16_t read_top(void);
+	uint32_t convert_ms(uint16_t raw);
+	
+	#ifndef TESTING
+	protected:
+	#endif
+	uint16_t step_us;
+	uint16_t counter;
+	uint16_t top;
+};
+
+/**** Public function declarations ****/
+
+#ifdef TESTING
+#endif
+
+} //namespace
+
+#endif /* VIRTUAL_COUNTER_H_ */