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controller/Scan/avr-capsense/scan_loop.h

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/* Copyright (C) 2013 by Jacob Alexander
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SCAN_LOOP_H
#define __SCAN_LOOP_H
// ----- Includes -----
// Compiler Includes
#include <stdint.h>
// Local Includes
// ----- Defines -----
#define KEYBOARD_KEYS 0xFF // TODO Determine max number of keys
#define KEYBOARD_BUFFER 24 // Max number of key signals to buffer
// This limits the NKRO-ability, so at 24, the keyboard is 24KRO
// The buffer is really only needed for converter modules
// An alternative macro module could be written for matrix modules and still work well
// ----- Variables -----
extern volatile uint8_t KeyIndex_Buffer[KEYBOARD_BUFFER];
extern volatile uint8_t KeyIndex_BufferUsed;
// ----- Functions -----
// Functions used by main.c
void scan_setup( void );
uint8_t scan_loop( void );
// Functions available to macro.c
uint8_t scan_sendData( uint8_t dataPayload );
void scan_finishedWithBuffer( uint8_t sentKeys );
void scan_finishedWithUSBBuffer( uint8_t sentKeys );
void scan_lockKeyboard( void );
void scan_unlockKeyboard( void );
void scan_resetKeyboard( void );
#endif // __SCAN_LOOP_H