stc_rpncalc/src/key.h
2019-11-14 03:45:52 -05:00

66 lines
1.4 KiB
C

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/*
* 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_ */