#| Please look at the {Scan,Macro,Output,Debug} for information on the modules and how to create new ones
##| Deals with acquiring the keypress information and turning it into a key index
-set( ScanModule "MDPure" )
+set( ScanModule "MD1" )
##| Provides the mapping functions for DefaultMap and handles any macro processing before sending to the OutputModule
set( MacroModule "PartialMap" )
// MCHCK
#elif defined(_mk20dx128vlf5_)
+/* Actual MCHCK
// Enable pin
GPIOB_PDDR |= (1<<16);
// Setup pin - B16 - See Lib/pin_map.mchck for more details on pins
PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+*/
+ // Kiibohd MCHCK Variant
+ // Enable pin
+ GPIOA_PDDR |= (1<<19);
+
+ // Setup pin - A19 - See Lib/pin_map.mchck for more details on pins
+ PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
#endif
}
// MCHCK
#elif defined(_mk20dx128vlf5_)
+/* Actual MCHCK
// Error LED On (B16)
if ( on ) {
GPIOB_PSOR |= (1<<16);
else {
GPIOB_PCOR |= (1<<16);
}
+*/
+ // Kiibohd MCHCK Variant
+ // Error LED On (A19)
+ if ( on ) {
+ GPIOA_PSOR |= (1<<19);
+ }
+ // Error LED Off
+ else {
+ GPIOA_PCOR |= (1<<19);
+ }
#endif
}
#include <stdint.h>
// chapter 11: Port control and interrupts (PORT)
-#define PORTA_PCR0 *(volatile uint32_t *)0x40049000 // Pin Control Register n
#define PORT_PCR_ISF (uint32_t)0x01000000 // Interrupt Status Flag
#define PORT_PCR_IRQC(n) (uint32_t)(((n) & 15) << 16) // Interrupt Configuration
#define PORT_PCR_IRQC_MASK (uint32_t)0x000F0000
#define PORT_PCR_SRE (uint32_t)0x00000004 // Slew Rate Enable
#define PORT_PCR_PE (uint32_t)0x00000002 // Pull Enable
#define PORT_PCR_PS (uint32_t)0x00000001 // Pull Select
+#define PORTA_PCR0 *(volatile uint32_t *)0x40049000 // Pin Control Register n
#define PORTA_PCR1 *(volatile uint32_t *)0x40049004 // Pin Control Register n
#define PORTA_PCR2 *(volatile uint32_t *)0x40049008 // Pin Control Register n
#define PORTA_PCR3 *(volatile uint32_t *)0x4004900C // Pin Control Register n
}
-// Called immediately after USB has finished sending a buffer
-inline void Macro_finishWithUSBBuffer( uint8_t sentKeys )
-{
- // XXX Currently not used to trigger anything (with this particular Macro module)
-}
-
-
// Macro Procesing Loop
// Called once per USB buffer send
inline void Macro_process()
}
*/
- // Signal buffer that we've used it
- Scan_finishedWithBuffer( KeyIndex_BufferUsed );
+ // Signal buffer that we've used it TODO
+ Scan_finishedWithMacro( 0 );
+ //Scan_finishedWithBuffer( KeyIndex_BufferUsed );
// If Macro debug mode is set, clear the USB Buffer
if ( macroDebugMode )
/* Copyright (C) 2014 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:
+ * This file 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.
*
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * This file 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.
*
- * 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.
+ * You should have received a copy of the GNU General Public License
+ * along with this file. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __macro_h
-// ----- Defines -----
-
-// Key states (DO NOT USE for analog keyboards)
-#define DEPRESSED 0
-#define RELEASED 1
-#define PRESSED 254
-#define HELD 255
-
-
-// ----- Variables -----
-
-
-
-// ----- Macros -----
-
-
-
// ----- Functions -----
void Macro_keyState( uint8_t scanCode, uint8_t state );
void Macro_analogState( uint8_t scanCode, uint8_t state );
void Macro_ledState( uint8_t ledCode, uint8_t state );
-void Macro_bufferAdd( uint8_t byte );
-void Macro_bufferRemove( uint8_t byte );
-void Macro_finishWithUSBBuffer( uint8_t sentKeys );
void Macro_process();
void Macro_setup();
{
// MCHCK
#if defined(_mk20dx128vlf5_)
- // This line must be exactly the same in the bootloader
- const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff";
- for ( int pos = 0; pos < sizeof(sys_reset_to_loader_magic); pos++ )(&VBAT)[pos] = sys_reset_to_loader_magic[ pos ];
- SOFTWARE_RESET();
+ // MCHCK Kiibohd Variant
+ // Check to see if PTA3 (has a pull-up) is connected to GND (usually via jumper)
+ // Only allow reload if the jumper is present (security)
+ GPIOA_PDDR &= ~(1<<3); // Input
+ PORTA_PCR3 = PORT_PCR_PFE | PORT_PCR_MUX(1); // Internal pull-up
+
+ // Check for jumper
+ if ( GPIOA_PDIR & (1<<3) )
+ {
+ print( NL );
+ warn_print("Security jumper not present, cancelling firmware reload...");
+ info_msg("Replace jumper on middle 2 pins, or manually press the firmware reload button.");
+ }
+ else
+ {
+ // This line must be exactly the same in the bootloader
+ const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff";
+ for ( int pos = 0; pos < sizeof(sys_reset_to_loader_magic); pos++ )(&VBAT)[pos] = sys_reset_to_loader_magic[ pos ];
+ SOFTWARE_RESET();
+ }
+
// Teensy 3.0 and 3.1
#else
asm volatile("bkpt");
USBKeys_Modifiers = 0;
USBKeys_Sent = 0;
- // Signal Scan Module we are finishedA
- Scan_finishedWithUSBBuffer( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
+ // Signal Scan Module we are finished
+ Scan_finishedWithOutput( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
}
USBKeys_Modifiers = 0;
USBKeys_Sent = 0;
- // Signal Scan Module we are finishedA
- Scan_finishedWithUSBBuffer( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
+ // Signal Scan Module we are finished
+ Scan_finishedWithOutput( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
}
--- /dev/null
+/* Copyright (C) 2014 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_H
+#define __MATRIX_H
+
+// ----- Macros -----
+
+// Convenience Macros
+#define gpio( port, pin ) { Port_##port, Pin_##pin }
+#define Matrix_colsNum sizeof( Matrix_cols ) / sizeof( GPIO_Pin )
+#define Matrix_rowsNum sizeof( Matrix_rows ) / sizeof( GPIO_Pin )
+#define Matrix_maxKeys sizeof( Matrix_scanArray ) / sizeof( KeyState )
+
+
+
+// ----- Matrix Definition -----
+
+// Freescale ARM MK20's support GPIO PTA, PTB, PTC, PTD and PTE 0..31
+// Not all chips have access to all of these pins (most don't have 160 pins :P)
+//
+// NOTE:
+// Before using a pin, make sure it supports being a GPIO *and* doesn't have a default pull-up/pull-down
+// Checking this is completely on the ownness of the user
+
+// MD1
+//
+// Columns (Strobe)
+// PTB0..3,16,17
+// PTC4,5
+// PTD0
+//
+// Rows (Sense)
+// PTD1..7
+
+// Debounce threshold
+#define DEBOUNCE_THRESHOLD 32
+
+// Define Rows (Sense) and Columns (Strobes)
+GPIO_Pin Matrix_cols[] = { gpio(B,0), gpio(B,1), gpio(B,2), gpio(B,3), gpio(B,16), gpio(B,17), gpio(C,4), gpio(C,5) };
+GPIO_Pin Matrix_rows[] = { gpio(D,1), gpio(D,2), gpio(D,3), gpio(D,4), gpio(D,5), gpio(D,6), gpio(D,7) };
+
+// Define type of scan matrix
+Config Matrix_type = Config_Pullup;
+
+
+#endif // __MATRIX_H
+
--- /dev/null
+/* Copyright (C) 2014 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.
+ */
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <Lib/ScanLib.h>
+
+// Project Includes
+#include <cli.h>
+#include <led.h>
+#include <print.h>
+
+// Local Includes
+#include "scan_loop.h"
+#include "macro.h"
+
+
+
+// ----- Variables -----
+
+// Indicates if the next scan is the first after a USB send
+uint8_t Scan_firstScan = 1;
+
+// Number of scans since the last USB send
+uint16_t Scan_scanCount = 0;
+
+
+
+// ----- Functions -----
+
+// Setup
+inline void Scan_setup()
+{
+ // Setup GPIO pins for matrix scanning
+ Matrix_setup();
+
+ // First scan is next
+ Scan_firstScan = 1;
+}
+
+
+// Main Detection Loop
+inline uint8_t Scan_loop()
+{
+ Matrix_scan( Scan_scanCount++, Scan_firstScan );
+
+ // No longer the first scan
+ Scan_firstScan = 0;
+
+ return 0;
+}
+
+
+// Signal from Macro Module that all keys have been processed (that it knows about)
+inline void Scan_finishedWithMacro( uint8_t sentKeys )
+{
+}
+
+
+// Signal from Output Module that all keys have been processed (that it knows about)
+inline void Scan_finishedWithOutput( uint8_t sentKeys )
+{
+ // Reset scan loop indicator (resets each key debounce state)
+ // TODO should this occur after USB send or Macro processing?
+ Scan_firstScan = 1;
+ Scan_scanCount = 0;
+}
+
--- /dev/null
+/* Copyright (C) 2014 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 __SCAN_LOOP_H
+#define __SCAN_LOOP_H
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <stdint.h>
+
+// Local Includes
+
+
+
+// ----- Defines -----
+
+
+
+// ----- Variables -----
+
+
+
+// ----- Functions -----
+
+// Functions to be called by main.c
+void Scan_setup( void );
+uint8_t Scan_loop( void );
+
+// Call-backs
+void Scan_finishedWithMacro( uint8_t sentKeys ); // Called by Macro Module
+void Scan_finishedWithOutput( uint8_t sentKeys ); // Called by Output Module
+
+
+#endif // __SCAN_LOOP_H
+
--- /dev/null
+###| CMake Kiibohd Controller Scan Module |###
+#
+# Written by Jacob Alexander in 2014 for the Kiibohd Controller
+#
+# Released into the Public Domain
+#
+###
+
+
+###
+# Module C files
+#
+
+set( SCAN_SRCS
+ scan_loop.c
+ ../MatrixARM/matrix_scan.c
+)
+
+
+###
+# Module Specific Options
+#
+add_definitions(
+ -I${HEAD_DIR}/Scan/MatrixARM
+)
+
+
+###
+# Compiler Family Compatibility
+#
+set( ScanModuleCompatibility
+ arm
+)
+
--- /dev/null
+/* Copyright (C) 2014 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.
+ */
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <Lib/ScanLib.h>
+
+// Project Includes
+#include <cli.h>
+#include <led.h>
+#include <print.h>
+#include <macro.h>
+
+// Local Includes
+#include "matrix_scan.h"
+
+// Matrix Configuration
+#include <matrix.h>
+
+
+
+// ----- Variables -----
+
+// Debounce Array
+KeyState Matrix_scanArray[ Matrix_colsNum * Matrix_rowsNum ];
+
+
+
+// ----- Functions -----
+
+// Pin action (Strobe, Sense, Strobe Setup, Sense Setup)
+// NOTE: This function is highly dependent upon the organization of the register map
+// Only guaranteed to work with Freescale MK20 series uCs
+uint8_t Matrix_pin( GPIO_Pin gpio, Type type )
+{
+ // Register width is defined as size of a pointer
+ uint8_t port_offset = (uint8_t)gpio.port * sizeof(unsigned int*);
+
+ // Assumes 6 registers between GPIO Port registers
+ volatile unsigned int GPIO_PDDR = *(&GPIOA_PDDR + port_offset * 6);
+ volatile unsigned int GPIO_PSOR = *(&GPIOA_PSOR + port_offset * 6);
+ volatile unsigned int GPIO_PCOR = *(&GPIOA_PCOR + port_offset * 6);
+ volatile unsigned int GPIO_PDIR = *(&GPIOA_PDIR + port_offset * 6);
+
+ // Assumes 35 registers between PORT pin registers
+ volatile unsigned int PORT_PCR = *(&PORTA_PCR0 + port_offset * 35);
+
+ // Operation depends on Type
+ switch ( type )
+ {
+ case Type_StrobeOn:
+ GPIO_PSOR |= (1 << gpio.pin);
+ break;
+
+ case Type_StrobeOff:
+ GPIO_PCOR |= (1 << gpio.pin);
+ break;
+
+ case Type_StrobeSetup:
+ // Set as output pin
+ GPIO_PDDR |= (1 << gpio.pin);
+
+ // Configure pin with slow slew, high drive strength and GPIO mux
+ PORT_PCR = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+
+ // Enabling open-drain if specified
+ switch ( Matrix_type )
+ {
+ case Config_Opendrain:
+ PORT_PCR |= PORT_PCR_ODE;
+ break;
+
+ // Do nothing otherwise
+ default:
+ break;
+ }
+ break;
+
+ case Type_Sense:
+ return GPIO_PDIR & (1 << gpio.pin) ? 1 : 0;
+
+ case Type_SenseSetup:
+ // Set as input pin
+ GPIO_PDDR &= ~(1 << gpio.pin);
+
+ // Configure pin with passive filter and GPIO mux
+ PORT_PCR = PORT_PCR_PFE | PORT_PCR_MUX(1);
+
+ // Pull resistor config
+ switch ( Matrix_type )
+ {
+ case Config_Pullup:
+ PORT_PCR |= PORT_PCR_PE | PORT_PCR_PS;
+ break;
+
+ case Config_Pulldown:
+ PORT_PCR |= PORT_PCR_PE;
+ break;
+
+ // Do nothing otherwise
+ default:
+ break;
+ }
+ break;
+ }
+
+ return 0;
+}
+
+// Setup GPIO pins for matrix scanning
+void Matrix_setup()
+{
+ // Setup Strobe Pins
+ for ( uint8_t pin = 0; pin < Matrix_colsNum; pin++ )
+ {
+ Matrix_pin( Matrix_cols[ pin ], Type_StrobeSetup );
+ }
+
+ // Setup Sense Pins
+ for ( uint8_t pin = 0; pin < Matrix_rowsNum; pin++ )
+ {
+ Matrix_pin( Matrix_rows[ pin ], Type_SenseSetup );
+ }
+
+ // Clear out Debounce Array
+ for ( uint8_t item = 0; item < Matrix_maxKeys; item++ )
+ {
+ Matrix_scanArray[ item ].prevState = KeyState_Off;
+ Matrix_scanArray[ item ].curState = KeyState_Off;
+ Matrix_scanArray[ item ].activeCount = 0;
+ Matrix_scanArray[ item ].inactiveCount = 0;
+ }
+}
+
+// Scan the matrix for keypresses
+// NOTE: firstScan should be set on the first scan after a USB send (to reset all the counters)
+void Matrix_scan( uint16_t scanNum, uint8_t firstScan )
+{
+ // For each strobe, scan each of the sense pins
+ for ( uint8_t strobe = 0; strobe < Matrix_colsNum; strobe++ )
+ {
+ // Strobe Pin
+ Matrix_pin( Matrix_cols[ strobe ], Type_StrobeOn );
+
+ // Scan each of the sense pins
+ for ( uint8_t sense = 0; sense < Matrix_rowsNum; sense++ )
+ {
+ // Key position
+ uint8_t key = Matrix_rowsNum * strobe + sense;
+ KeyState *state = &Matrix_scanArray[ key ];
+
+ // If first scan, reset state
+ if ( firstScan )
+ {
+ // Set previous state, and reset current state
+ state->prevState = state->curState;
+ state->curState = KeyState_Invalid;
+ }
+
+ // Signal Detected
+ if ( Matrix_pin( Matrix_rows[ sense ], Type_Sense ) )
+ {
+ // Only update if not going to wrap around
+ state->activeCount += state->activeCount < 255 ? 1 : 0;
+ state->inactiveCount -= state->inactiveCount > 0 ? 1 : 0;
+ }
+ // Signal Not Detected
+ else
+ {
+ // Only update if not going to wrap around
+ state->inactiveCount += state->inactiveCount < 255 ? 1 : 0;
+ state->activeCount -= state->activeCount > 0 ? 1 : 0;
+ }
+
+ // Check for state change if it hasn't been set
+ // Only check if the minimum number of scans has been met
+ // the current state is invalid
+ // and either active or inactive count is over the debounce threshold
+ if ( scanNum > DEBOUNCE_THRESHOLD
+ && state->curState != KeyState_Invalid
+ && ( state->activeCount > DEBOUNCE_THRESHOLD || state->inactiveCount > DEBOUNCE_THRESHOLD ) )
+ {
+ switch ( state->prevState )
+ {
+ case KeyState_Press:
+ case KeyState_Hold:
+ if ( state->activeCount > DEBOUNCE_THRESHOLD )
+ {
+ state->curState = KeyState_Hold;
+ }
+ else
+ {
+ state->curState = KeyState_Release;
+ }
+ break;
+
+ case KeyState_Release:
+ case KeyState_Off:
+ if ( state->activeCount > DEBOUNCE_THRESHOLD )
+ {
+ state->curState = KeyState_Press;
+ }
+ else if ( state->inactiveCount > DEBOUNCE_THRESHOLD )
+ {
+ state->curState = KeyState_Off;
+ }
+ break;
+
+ case KeyState_Invalid:
+ erro_print("Matrix scan bug!! Report me!");
+ break;
+ }
+
+ // Send keystate to macro module
+ Macro_keyState( key, state->curState );
+ }
+ }
+
+ // Unstrobe Pin
+ Matrix_pin( Matrix_cols[ strobe ], Type_StrobeOff );
+ }
+}
+
--- /dev/null
+/* Copyright (C) 2014 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 -----
+
+
+
+// ----- 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;
+ uint8_t activeCount;
+ uint8_t inactiveCount;
+} KeyState;
+
+
+
+// ----- Functions -----
+
+void Matrix_setup();
+void Matrix_scan( uint16_t scanNum, uint8_t firstScan );
+
+
+#endif // __MATRIX_SCAN_H
+
--- /dev/null
+###| CMake Kiibohd Controller Scan Module |###
+#
+# Written by Jacob Alexander in 2014 for the Kiibohd Controller
+#
+# Released into the Public Domain
+#
+###
+
+###
+# Warning, that this module is not meant to be built stand-alone
+#
+message( FATAL_ERROR
+"The 'MatrixARM' module is not a stand-alone module, and requires further setup."
+)
+
+###
+# Module C files
+#
+
+set( SCAN_SRCS
+ matrix_scan.c
+)
+
+
+###
+# Module Specific Options
+#
+
+
+###
+# Compiler Family Compatibility
+#
+set( ScanModuleCompatibility
+ arm
+)
+