a9c5898ba5
Can be specified from any .kll file DebounceDivThreshold = 0xFFFFFFFF Sets to max debounce, default is 0xFFFF. The 0xFFFFFFFF is about a 2x longer debounce The max requires more ram (as it uses 32 bit variables instead of 16). Added support for submodule capabilities files.
146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
/* Copyright (C) 2014-2015 by Jacob Alexander
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __MATRIX_SCAN_H
|
|
#define __MATRIX_SCAN_H
|
|
|
|
// ----- Includes -----
|
|
|
|
// KLL Generated Defines
|
|
#include <kll_defs.h>
|
|
|
|
|
|
|
|
// ----- Defines -----
|
|
|
|
#if ( DebounceDivThreshold_define < 0xFF + 1 )
|
|
#define DebounceCounter uint8_t
|
|
#elif ( DebounceDivThreshold_define < 0xFFFF + 1 )
|
|
#define DebounceCounter uint16_t
|
|
#elif ( DebounceDivThreshold_define < 0xFFFFFFFF + 1 )
|
|
#define DebounceCounter uint32_t
|
|
#else
|
|
#error "Debounce threshold is too high... 32 bit max. Check .kll defines."
|
|
#endif
|
|
|
|
|
|
|
|
// ----- Enums -----
|
|
|
|
// Freescale MK20s have GPIO ports A...E
|
|
typedef enum Port {
|
|
Port_A = 0,
|
|
Port_B = 1,
|
|
Port_C = 2,
|
|
Port_D = 3,
|
|
Port_E = 4,
|
|
} Port;
|
|
|
|
// Each port has a possible 32 pins
|
|
typedef enum Pin {
|
|
Pin_0 = 0,
|
|
Pin_1 = 1,
|
|
Pin_2 = 2,
|
|
Pin_3 = 3,
|
|
Pin_4 = 4,
|
|
Pin_5 = 5,
|
|
Pin_6 = 6,
|
|
Pin_7 = 7,
|
|
Pin_8 = 8,
|
|
Pin_9 = 9,
|
|
Pin_10 = 10,
|
|
Pin_11 = 11,
|
|
Pin_12 = 12,
|
|
Pin_13 = 13,
|
|
Pin_14 = 14,
|
|
Pin_15 = 15,
|
|
Pin_16 = 16,
|
|
Pin_17 = 17,
|
|
Pin_18 = 18,
|
|
Pin_19 = 19,
|
|
Pin_20 = 20,
|
|
Pin_21 = 21,
|
|
Pin_22 = 22,
|
|
Pin_23 = 23,
|
|
Pin_24 = 24,
|
|
Pin_25 = 25,
|
|
Pin_26 = 26,
|
|
Pin_27 = 27,
|
|
Pin_28 = 28,
|
|
Pin_29 = 29,
|
|
Pin_30 = 30,
|
|
Pin_31 = 31,
|
|
} Pin;
|
|
|
|
// Type of pin
|
|
typedef enum Type {
|
|
Type_StrobeOn,
|
|
Type_StrobeOff,
|
|
Type_StrobeSetup,
|
|
Type_Sense,
|
|
Type_SenseSetup,
|
|
} Type;
|
|
|
|
// Sense/Strobe configuration
|
|
typedef enum Config {
|
|
Config_Pullup, // Internal pull-up
|
|
Config_Pulldown, // Internal pull-down
|
|
Config_Opendrain, // External pull resistor
|
|
} Config;
|
|
|
|
// Keypress States
|
|
typedef enum KeyPosition {
|
|
KeyState_Off = 0,
|
|
KeyState_Press = 1,
|
|
KeyState_Hold = 2,
|
|
KeyState_Release = 3,
|
|
KeyState_Invalid,
|
|
} KeyPosition;
|
|
|
|
|
|
|
|
// ----- Structs -----
|
|
|
|
// Struct container for defining Rows (Sense) and Columns (Strobes)
|
|
typedef struct GPIO_Pin {
|
|
Port port;
|
|
Pin pin;
|
|
} GPIO_Pin;
|
|
|
|
// Debounce Element
|
|
typedef struct KeyState {
|
|
KeyPosition prevState;
|
|
KeyPosition curState;
|
|
DebounceCounter activeCount;
|
|
DebounceCounter inactiveCount;
|
|
} KeyState;
|
|
|
|
|
|
|
|
// ----- Functions -----
|
|
|
|
void Matrix_setup();
|
|
void Matrix_scan( uint16_t scanNum );
|
|
|
|
|
|
#endif // __MATRIX_SCAN_H
|
|
|