stc_rpncalc/src/key.h
2019-09-23 22:57:34 -04:00

53 lines
742 B
C

/*
* key.h
*
* Created on: Mar 20, 2019
*/
#ifndef SRC_KEY_H_
#define SRC_KEY_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "utils.h"
//#define DEBUG_KEYS
void KeyInit(void);
#ifndef DESKTOP
#pragma nooverlay
#endif
void raw_scan(void) __using(1);
#ifndef DESKTOP
#pragma nooverlay
#endif
void debounce(void) __using(1);
#define KeyScan() do { \
raw_scan(); \
debounce(); \
} while(0);
#ifdef DEBUG_KEYS
const uint8_t* DebugGetKeys(void);
#endif
//definition included for determining if multiple keys are pressed
//prefer using GetNewKeys();
#define TOTAL_ROWS 5
extern __idata uint8_t Keys[TOTAL_ROWS]; //only bottom nibbles get set
extern int8_t NewKeyPressed;
#ifdef __cplusplus
}
#endif
#endif /* SRC_KEY_H_ */