SRC = $(TARGET).c \
print.c \
usb_keyboard_debug.c \
+ scan_loop.c
#usb_keyboard.c
--- /dev/null
+#ifndef __KEYMAP_h
+#define __KEYMAP_h
+
+#include "usb_keys.h"
+
+// Modifier Mask
+#define MODIFIERS_KEYPAD 0
+#define MODIFIERS_KEYBOARD 4
+static uint8_t keypad_modifierMask[] = {};
+static uint8_t keyboard_modifierMask[] = { 1, 17, 33, 49 };
+static uint8_t alternate_modifierMask[] = { 1, 17, 33, 49, 62 };
+
+// Default 1-indexed key mappings
+static uint8_t keypadDefaultMap[] = { 0,
+ KEYPAD_7,
+ KEYPAD_8,
+ KEYPAD_9,
+ KEYPAD_SLASH,
+ KEYPAD_4,
+ KEYPAD_5,
+ KEYPAD_6,
+ KEYPAD_ASTERIX,
+ KEYPAD_1,
+ KEYPAD_2,
+ KEYPAD_3,
+ KEYPAD_MINUS,
+ KEYPAD_ENTER,
+ KEYPAD_0,
+ KEYPAD_PERIOD,
+ KEYPAD_PLUS };
+
+static uint8_t defaultMap[] = { 0,
+ KEY_GUI,
+ KEY_1,
+ KEY_2,
+ KEY_3,
+ KEY_4,
+ KEY_5,
+ KEY_6,
+ KEY_7,
+ KEY_8,
+ KEY_9,
+ KEY_0,
+ KEY_MINUS,
+ KEY_EQUAL,
+ KEY_BACKSLASH,
+ KEY_TILDE,
+ KEY_BACKSPACE,
+ KEY_ALT,
+ KEY_TAB,
+ KEY_Q,
+ KEY_W,
+ KEY_E,
+ KEY_R,
+ KEY_T,
+ KEY_Y,
+ KEY_U,
+ KEY_I,
+ KEY_O,
+ KEY_P,
+ KEY_LEFT_BRACE,
+ KEY_RIGHT_BRACE,
+ KEY_DELETE,
+ KEY_UP,
+ KEY_CTRL,
+ KEY_CAPS_LLOCK,
+ KEY_A,
+ KEY_S,
+ KEY_D,
+ KEY_F,
+ KEY_G,
+ KEY_H,
+ KEY_J,
+ KEY_K,
+ KEY_L,
+ KEY_SEMICOLON,
+ KEY_QUOTE,
+ KEY_ENTER,
+ KEY_DOWN,
+ KEY_ESC,
+ KEY_LEFT_SHIFT,
+ KEY_Z,
+ KEY_X,
+ KEY_C,
+ KEY_V,
+ KEY_B,
+ KEY_N,
+ KEY_M,
+ KEY_COMMA,
+ KEY_PERIOD,
+ KEY_SLASH,
+ KEY_RIGHT_SHIFT,
+ KEY_LEFT,
+ KEY_RIGHT,
+ KEY_SPACE };
+
+static uint8_t navigationMap[] = { 0,
+ KEY_GUI,
+ KEY_F1,
+ KEY_F2,
+ KEY_F3,
+ KEY_F4,
+ KEY_F5,
+ KEY_F6,
+ KEY_F7,
+ KEY_F8,
+ KEY_F9,
+ KEY_F10,
+ KEY_F11,
+ KEY_F12,
+ KEY_INSERT,
+ KEY_DELETE,
+ KEY_BACKSPACE,
+ KEY_ALT,
+ KEY_CAPS_LOCK,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ KEY_SYSREQ_ATT,
+ KEY_SCROLL_LOCK,
+ KEY_PAUSE,
+ KEY_UP,
+ 0,
+ 0,
+ 0,
+ KEY_CTRL,
+ KEY_CAPS_LLOCK,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ KEYPAD_ASTERIX,
+ KEYPAD_SLASH,
+ KEY_HOME,
+ KEY_PAGE_UP,
+ KEY_LEFT,
+ KEY_RIGHT,
+ KEY_ENTER,
+ 0,
+ KEY_ESC,
+ KEY_LEFT_SHIFT,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ KEYPAD_PLUS,
+ KEYPAD_MINUS,
+ KEY_END,
+ KEY_PAGE_DOWN,
+ KEY_DOWN,
+ KEY_RIGHT_SHIFT,
+ 165,
+ KEY_RIGHT_ALT,
+ KEY_SPACE };
+
+static uint8_t colemakMap[] = { 0,
+ KEY_GUI,
+ KEY_1,
+ KEY_2,
+ KEY_3,
+ KEY_4,
+ KEY_5,
+ KEY_6,
+ KEY_7,
+ KEY_8,
+ KEY_9,
+ KEY_0,
+ KEY_MINUS,
+ KEY_EQUAL,
+ KEY_BACKSLASH,
+ KEY_TILDE,
+ KEY_BACKSPACE,
+ KEY_ALT,
+ KEY_TAB,
+ KEY_Q,
+ KEY_W,
+ KEY_F,
+ KEY_P,
+ KEY_G,
+ KEY_J,
+ KEY_L,
+ KEY_U,
+ KEY_Y,
+ KEY_SEMICOLON,
+ KEY_LEFT_BRACE,
+ KEY_RIGHT_BRACE,
+ KEY_DELETE,
+ KEY_PAGE_UP,
+ KEY_CTRL,
+ KEY_CAPS_LLOCK,
+ KEY_A,
+ KEY_R,
+ KEY_S,
+ KEY_T,
+ KEY_D,
+ KEY_H,
+ KEY_N,
+ KEY_E,
+ KEY_I,
+ KEY_O,
+ KEY_QUOTE,
+ KEY_ENTER,
+ KEY_PAGE_DOWN,
+ KEY_ESC,
+ KEY_LEFT_SHIFT,
+ KEY_Z,
+ KEY_X,
+ KEY_C,
+ KEY_V,
+ KEY_B,
+ KEY_K,
+ KEY_M,
+ KEY_COMMA,
+ KEY_PERIOD,
+ KEY_SLASH,
+ KEY_RIGHT_SHIFT,
+ 165,
+ KEY_RIGHT_ALT,
+ KEY_SPACE };
+
+#endif
+
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <util/delay.h>
-#include "usb_keys.h"
+//#include "usb_keys.h"
#include "scan_loop.h"
//#include "layouts.h"
//#include "usb_keyboard.h"
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
-// Debouncing Defines
-#define SAMPLE_THRESHOLD 110
-#define MAX_SAMPLES 127 // Max is 127, reaching 128 is very bad
// Verified Keypress Defines
#define USB_TRANSFER_DIVIDER 10 // 1024 == 1 Send of keypresses per second, 1 == 1 Send of keypresses per ~1 millisecond
-/*
-// Number of keys
-#define KEYBOARD_SIZE 63
-#define KEYPAD_SIZE 16
-
-// Drive Pin Defines
-#define DRIVE_reg_1 PORTD
-#define DRIVE_reg_2 PORTD
-#define DRIVE_reg_3 PORTD
-#define DRIVE_reg_4 PORTD
-#define DRIVE_reg_5 PORTD
-#define DRIVE_reg_6 PORTD
-#define DRIVE_reg_7 PORTE
-#define DRIVE_reg_8 PORTE
-#define DRIVE_reg_9 PORTE
-#define DRIVE_reg_10 <blank>
-#define DRIVE_reg_11 <blank>
-#define DRIVE_reg_12 <blank>
-
-#define DRIVE_pin_1 2
-#define DRIVE_pin_2 3
-#define DRIVE_pin_3 4
-#define DRIVE_pin_4 5
-#define DRIVE_pin_5 6
-#define DRIVE_pin_6 7
-#define DRIVE_pin_7 0
-#define DRIVE_pin_8 1
-#define DRIVE_pin_9 6
-#define DRIVE_pin_10 <blank>
-#define DRIVE_pin_11 <blank>
-#define DRIVE_pin_12 <blank>
-
-// Detect Pin/Group Defines
-#define DETECT_group_1 1
-#define DETECT_group_2 2
-#define DETECT_group_3 3
-#define DETECT_group_4 4
-#define DETECT_group_5 5
-#define DETECT_group_6 6
-#define DETECT_group_7 7
-#define DETECT_group_8 8
-#define DETECT_group_9 9
-#define DETECT_group_10 <blank>
-#define DETECT_group_11 <blank>
-#define DETECT_group_12 <blank>
-
-#define DETECT_group_size_1 7
-#define DETECT_group_size_2 7
-#define DETECT_group_size_3 6
-#define DETECT_group_size_4 8
-#define DETECT_group_size_5 7
-#define DETECT_group_size_6 7
-#define DETECT_group_size_7 8
-#define DETECT_group_size_8 8
-#define DETECT_group_size_9 4
-#define DETECT_group_size_10 <blank>
-#define DETECT_group_size_11 <blank>
-#define DETECT_group_size_12 <blank>
-
-// Switch Codes
-#define DETECT_group_array_1 {55,22,6 ,40,43,27,11}
-#define DETECT_group_array_2 {56,23,7 ,41,58,26,10}
-#define DETECT_group_array_3 {57,24,8 ,42,25,9}
-#define DETECT_group_array_4 {54,21,5 ,39,44,28,12,59}
-#define DETECT_group_array_5 {53,20,4 ,38,45,29,13}
-#define DETECT_group_array_6 {52,19,3 ,37,46,30,14}
-#define DETECT_group_array_7 {51,18,2 ,36,61,31,15,63}
-#define DETECT_group_array_8 {50,17,1 ,35,47,32,16,62}
-#define DETECT_group_array_9 {48,49,33,34} // 49/60 are the same line
-#define DETECT_group_array_10 <blank>
-#define DETECT_group_array_11 <blank>
-#define DETECT_group_array_12 <blank>
-
-
-
-// Drive Macros (Generally don't need to be changed), except for maybe DRIVE_DETECT
-// Sleep is for signal debouncing
-#define DRIVE_DETECT(reg,pin,group) \
- reg &= ~(1 << pin); \
- detection(group); \
- reg |= (1 << pin); \
- _delay_us(1);
-
-#define DD_CASE(number) \
- case number:\
- DRIVE_DETECT(DRIVE_reg_##number, DRIVE_pin_##number, DETECT_group_##number)
-
-#define DD_CASE_ORD(number) \
- DD_CASE(number) \
- break;
-
-#define DD_CASE_END(number,var) \
- DD_CASE(number) \
- var = -1; \
- break;
-
-
-// Updates the current detection sample and last sample bit
-// Detection Macros (Probably don't need to be changed, but depending the matrix, may have to be)
-// Determine if key is either normal or a modifier
-#define DET_GROUP_CHECK(index,test) \
- if ( test ) { \
- keyDetectArray[groupArray[index]]++; \
- }
-
-
-// XXX - Detection Groups
-// Checks each of the specified pins, and then if press detected, determine if the key is normal or a modifier
-// Inverse logic applies for the PINs
-
-// Used for 1 detection group (Special group)
-#define DET_GROUP_1 \
- DET_GROUP_CHECK(0,!( PINB & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINC & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PIND & (1 << 0) )) \
- DET_GROUP_CHECK(3,!( PIND & (1 << 1) )) \
-
-// Used for 4 detection groups (Skips J1 P9)
-#define DET_GROUP_2 \
- DET_GROUP_CHECK(0,!( PINE & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINB & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PINB & (1 << 1) )) \
- DET_GROUP_CHECK(3,!( PINB & (1 << 2) )) \
- DET_GROUP_CHECK(4,!( PINB & (1 << 3) )) \
- DET_GROUP_CHECK(5,!( PINB & (1 << 4) )) \
- DET_GROUP_CHECK(6,!( PINB & (1 << 5) )) \
-
-// Used for 1 detection group (Skips J1 P6 and J1 P9)
-#define DET_GROUP_3 \
- DET_GROUP_CHECK(0,!( PINE & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINB & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PINB & (1 << 1) )) \
- DET_GROUP_CHECK(3,!( PINB & (1 << 2) )) \
- DET_GROUP_CHECK(4,!( PINB & (1 << 4) )) \
- DET_GROUP_CHECK(5,!( PINB & (1 << 5) )) \
-
-// Used for 3 detection groups (No skips, except special group 1)
-#define DET_GROUP_4 \
- DET_GROUP_CHECK(0,!( PINE & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINB & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PINB & (1 << 1) )) \
- DET_GROUP_CHECK(3,!( PINB & (1 << 2) )) \
- DET_GROUP_CHECK(4,!( PINB & (1 << 3) )) \
- DET_GROUP_CHECK(5,!( PINB & (1 << 4) )) \
- DET_GROUP_CHECK(6,!( PINB & (1 << 5) )) \
- DET_GROUP_CHECK(7,!( PINB & (1 << 6) )) \
-
-// Combines the DET_GROUP_Xs above for the given groupArray
-#define DET_GROUP(group,det_group) \
- case group: \
- { \
- uint8_t groupArray[DETECT_group_size_##group] = DETECT_group_array_##group; \
- _delay_us(1); \
- DET_GROUP_##det_group \
- } \
- break;
-
-
-// Loop over all of the sampled keys of the given array
-// If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
-// This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
-#define DEBOUNCE_ASSESS(table,size) \
- for ( uint8_t key = 1; key < size + 1; key++ ) {\
- table[key] = ( table[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD ? (1 << 7) : 0x00; \
- } \
-
-
-// Keypad detection
-// Each switch has it's own detection line, inverse logic
-#define KEYPAD_DETECT(test,switch_code) \
- if ( !(test) ) { \
- keypadDetectArray[switch_code]++; \
- } \
-
-
-// NOTE: Highest Bit: Valid keypress (0x80 is valid keypress)
-// Other Bits: Pressed state sample counter
-uint8_t keyboardDetectArray[KEYBOARD_SIZE + 1];
-
-// Interrupt Variables
-uint16_t sendKeypressCounter = 0;
-volatile uint8_t sendKeypresses = 0;
-
-
-void detection( int group )
-{
- // XXX Modify for different detection groups <-> groupArray mappings
- switch ( group ) {
- DET_GROUP(1,2)
- DET_GROUP(2,2)
- DET_GROUP(3,3)
- DET_GROUP(4,4)
- DET_GROUP(5,2)
- DET_GROUP(6,2)
- DET_GROUP(7,4)
- DET_GROUP(8,4)
- DET_GROUP(9,1)
- }
-}
-*/
-
// Error LED Control
void errorLED( uint8_t on )
{
// Error LED On
if ( on ) {
- DDRD |= (1<<6);
PORTD |= (1<<6);
}
// Error LED Off
else {
- DDRD &= ~(1<<6);
PORTD &= ~(1<<6);
}
}
PORTE = 0x00;
PORTF = 0x00;
}
-/*
-// Given a sampling array, and the current number of detected keypress
-// Add as many keypresses from the sampling array to the USB key send array as possible.
-void keyPressDetection( uint8_t *keys, uint8_t *validKeys, uint8_t numberOfKeys, uint8_t *modifiers, uint8_t numberOfModifiers, uint8_t *map ) {
- for ( uint8_t key = 0; key < numberOfKeys + 1; key++ ) {
- if ( keys[key] & (1 << 7) ) {
- pint8( key );
- //print(" ");
- uint8_t modFound = 0;
-
- // Determine if the key is a modifier
- for ( uint8_t mod = 0; mod < numberOfModifiers; mod++ ) {
- // Modifier found
- if ( modifiers[mod] == key ) {
- keyboard_modifier_keys |= map[key];
- modFound = 1;
- break;
- }
- }
- if ( modFound )
- continue;
-
- // Too many keys
- if ( *validKeys == 6 )
- break;
-
- // Allow ignoring keys with 0's
- if ( map[key] != 0 )
- keyboard_keys[(*validKeys)++] = map[key];
- }
- }
-}
-*/
int main( void )
{
TCCR0B = 0x03;
TIMSK0 = (1 << TOIE0);
+ uint16_t led = 0;
// Main Detection Loop
while ( 1 ) {
- scan_loop();
+ //scan_loop();
// Loop should never get here (indicate error)
errorLED( 1 );
- // TODO HID Debug message
+ // HID Debug Error message
+ erro_print("Detection loop error, this is very bad...bug report!");
}
}
-/*
- int8_t group = 1;
- uint8_t count = 0;
- for ( ;;group++ ) {
- // XXX Change number of ORDs if number of lines (RowsxColumns) differ
- // Determine which keys are being pressed
- switch ( group ) {
- DD_CASE_ORD(1)
- DD_CASE_ORD(2)
- DD_CASE_ORD(3)
- DD_CASE_ORD(4)
- DD_CASE_ORD(5)
- DD_CASE_ORD(6)
- DD_CASE_ORD(7)
- DD_CASE_ORD(8)
- DD_CASE_END(9,group)
- }
-
- // Check all Keyboard keys first
- if ( group != -1 )
- continue;
-
- // Check Keypad keys
- KEYPAD_DETECT(PINA & (1 << 0),11)
- KEYPAD_DETECT(PINA & (1 << 1),3)
- KEYPAD_DETECT(PINA & (1 << 2),7)
- KEYPAD_DETECT(PINA & (1 << 3),4)
- KEYPAD_DETECT(PINA & (1 << 4),15)
- KEYPAD_DETECT(PINA & (1 << 5),6)
- KEYPAD_DETECT(PINA & (1 << 6),2)
- KEYPAD_DETECT(PINA & (1 << 7),10)
- KEYPAD_DETECT(PINF & (1 << 0),8)
- KEYPAD_DETECT(PINF & (1 << 1),12)
- KEYPAD_DETECT(PINF & (1 << 2),16)
- KEYPAD_DETECT(PINF & (1 << 3),13)
- KEYPAD_DETECT(PINF & (1 << 4),1)
- KEYPAD_DETECT(PINF & (1 << 5),5)
- KEYPAD_DETECT(PINF & (1 << 6),9)
- KEYPAD_DETECT(PINF & (1 << 7),14)
-
- // Check count to see if the sample threshold may have been reached, otherwise collect more data
- count++;
- if ( count < MAX_SAMPLES )
- continue;
-
- // Reset Sample Counter
- count = 0;
-
- // Assess debouncing sample table
- DEBOUNCE_ASSESS(keyDetectArray,KEYBOARD_SIZE)
- DEBOUNCE_ASSESS(keypadDetectArray,KEYPAD_SIZE)
-
- // Send keypresses over USB if the ISR has signalled that it's time
- if ( !sendKeypresses )
- continue;
-
- // Detect Valid Keypresses - TODO
- uint8_t validKeys = 0;
-
- uint8_t *keyboard_MODMASK = keyboard_modifierMask;
- uint8_t keyboard_NUMMODS = MODIFIERS_KEYBOARD;
- uint8_t *keyboard_MAP = defaultMap;
- uint8_t *keypad_MODMASK = keypad_modifierMask;
- uint8_t keypad_NUMMODS = MODIFIERS_KEYPAD;
- uint8_t *keypad_MAP = keypadDefaultMap;
-
- // Map selection - CapsLock FN
- if ( keyDetectArray[34] & (1 << 7) ) { // CapsLock FN Modifier
- keyboard_MAP = colemakMap;
- keyboard_MODMASK = alternate_modifierMask;
- keyboard_NUMMODS = 5;
-
- // Function Key
- if ( keyDetectArray[61] & (1 << 7) ) {
- keyboard_MAP = navigationMap;
- }
- }
-
- keyPressDetection( keyDetectArray, &validKeys, KEYBOARD_SIZE, keyboard_MODMASK, keyboard_NUMMODS, keyboard_MAP );
- keyPressDetection( keypadDetectArray, &validKeys, KEYPAD_SIZE, keypad_MODMASK, keypad_NUMMODS, keypad_MAP );
- //print(":\n");
-
- // TODO undo potentially old keys
- for ( uint8_t c = validKeys; c < 6; c++ )
- keyboard_keys[c] = 0;
-
- // Send keypresses
- usb_keyboard_send();
-
- // Clear sendKeypresses Flag
- sendKeypresses = 0;
-
- // Clear modifiers
- keyboard_modifier_keys = 0;
- }
-
- return 0;
-}
-*/
// Timer Interrupt for flagging a send of the sampled key detection data to the USB host
+uint16_t sendKeypressCounter = 0;
+
ISR( TIMER0_OVF_vect )
{
sendKeypressCounter++;
--- /dev/null
+/* Copyright (C) 2011 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.
+ */
+
+#include "matrix.h"
+
+#define REG_SET(reg) reg |= (1 << ( matrix[row][col] % 10 ) )
+
+#define PIN_SET_COL(pin) \
+ switch ( scanMode ) { \
+ case scanCol: \
+ case scanCol_powrRow: \
+ case scanDual: \
+ REG_SET(port##pin); break; \
+ case scanRow_powrCol: REG_SET(ddr##pin); REG_SET(port##pin); break; \
+ } \
+ break
+
+#define PIN_SET_ROW(pin) \
+ switch ( scanMode ) { \
+ case scanRow: \
+ case scanRow_powrCol: \
+ case scanDual: \
+ REG_SET(port##pin); break; \
+ case scanCol_powrRow: REG_SET(ddr##pin); REG_SET(port##pin); break; \
+ } \
+ break
+
+#define PIN_CASE(pinLetter) \
+ case pin##pinLetter##0: \
+ case pin##pinLetter##1: \
+ case pin##pinLetter##2: \
+ case pin##pinLetter##3: \
+ case pin##pinLetter##4: \
+ case pin##pinLetter##5: \
+ case pin##pinLetter##6: \
+ case pin##pinLetter##7
+
+#define PIN_TEST_COL(pin) \
+ if ( !( pin & ( 1 << ( matrix[0][col] % 10 ) ) \
+ detectArray[matrix[row][col]]++; \
+ break
+
+
+void matrix_pinSetup( uint8_t *matrix )
+{
+ // Setup the variables
+ uint8_t portA = 0x00;
+ uint8_t portB = 0x00;
+ uint8_t portC = 0x00;
+ uint8_t portD = 0x00;
+ uint8_t portE = 0x00;
+ uint8_t portF = 0x00;
+
+ uint8_t ddrA = 0x00;
+ uint8_t ddrB = 0x00;
+ uint8_t ddrC = 0x00;
+ uint8_t ddrD = 0x00;
+ uint8_t ddrE = 0x00;
+ uint8_t ddrF = 0x00;
+
+ // Loop through all the pin assignments, for the initial pin settings
+ int row, col;
+
+ // Rows
+ for ( row = 1; row < sizeof(matrix); row++ ) {
+ switch ( matrix[row][col] ) {
+ PIN_CASE(A):
+ PIN_SET_ROW(A);
+ PIN_CASE(B):
+ PIN_SET_ROW(B);
+ PIN_CASE(C):
+ PIN_SET_ROW(C);
+ PIN_CASE(D):
+ PIN_SET_ROW(D);
+ PIN_CASE(E):
+ PIN_SET_ROW(E);
+ PIN_CASE(F):
+ PIN_SET_ROW(F);
+
+ default:
+ continue;
+ }
+ }
+
+ // Columns
+ for ( col = 1; col < sizeof(matrix[0]); row++ ) {
+ switch ( matrix[row][col] ) {
+ PIN_CASE(A):
+ PIN_SET_COL(A);
+ PIN_CASE(B):
+ PIN_SET_COL(B);
+ PIN_CASE(C):
+ PIN_SET_COL(C);
+ PIN_CASE(D):
+ PIN_SET_COL(D);
+ PIN_CASE(E):
+ PIN_SET_COL(E);
+ PIN_CASE(F):
+ PIN_SET_COL(F);
+
+ default:
+ continue;
+ }
+ }
+
+ // Setting the pins
+ DDRA = ddrA;
+ DDRB = ddrB;
+ DDRC = ddrC;
+ DDRD = ddrD;
+ DDRE = ddrE;
+ DDRF = ddrF;
+
+ PORTA = portA;
+ PORTB = portB;
+ PORTC = portC;
+ PORTD = portD;
+ PORTE = portE;
+ PORTF = portF;
+}
+
+// TODO Proper matrix scanning
+void matrix_scan( uint8_t *matrix, uint8_t *detectArray )
+{
+ // Column Scan
+#if scanMode == scanCol
+ uint8_t col = 1;
+ uint8_t row = 1;
+ for ( ; col < sizeof(matrix[1]); col++ ) {
+ switch ( matrix[0][col] / 10 ) {
+ case 0: // PINA
+ PIN_TEST_COL(PINA);
+ case 1: // PINB
+ PIN_TEST_COL(PINB);
+ case 2: // PINC
+ PIN_TEST_COL(PINC);
+ case 3: // PIND
+ PIN_TEST_COL(PIND);
+ case 4: // PINE
+ PIN_TEST_COL(PINE);
+ case 5: // PINF
+ PIN_TEST_COL(PINF);
+ }
+ }
+#endif
+
+ // Row Scan
+#if scanMode == scanRow
+#endif
+
+ // Column Scan, Power Row
+#if scanMode == scanCol_powrRow
+#endif
+
+ // Row Scan, Power Column
+#if scanMode == scanRow_powrCol
+#endif
+
+ // Dual Scan
+#if scanMode == scanDual
+#endif
+}
+
--- /dev/null
+/* Copyright (C) 2011 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
+
+// ----- Quick Map (don't change) -----
+#define pinA0 0
+#define pinA1 1
+#define pinA2 2
+#define pinA3 3
+#define pinA4 4
+#define pinA5 5
+#define pinA6 6
+#define pinA7 7
+
+#define pinB0 10
+#define pinB1 11
+#define pinB2 12
+#define pinB3 13
+#define pinB4 14
+#define pinB5 15
+#define pinB6 16
+#define pinB7 17
+
+#define pinC0 20
+#define pinC1 21
+#define pinC2 22
+#define pinC3 23
+#define pinC4 24
+#define pinC5 25
+#define pinC6 26
+#define pinC7 27
+
+#define pinD0 30
+#define pinD1 31
+#define pinD2 32
+#define pinD3 33
+#define pinD4 34
+#define pinD5 35
+#define pinD6 36
+#define pinD7 37
+
+#define pinE0 40
+#define pinE1 41
+#define pinE2 42
+#define pinE3 43
+#define pinE4 44
+#define pinE5 45
+#define pinE6 46
+#define pinE7 47
+
+#define pinF0 50
+#define pinF1 51
+#define pinF2 52
+#define pinF3 53
+#define pinF4 54
+#define pinF5 55
+#define pinF6 56
+#define pinF7 57
+
+#define pinNULL 128
+
+
+
+// ----- Scan Mode (usually dual-scan) -----
+// Ordered by increasing memory/CPU usage
+#define scanRow 0 // Needed for powered switches (Hall-Effect)
+#define scanCol 1 // Opposite of scanRow
+#define scanRow_powrCol 2 // NKRO supported (simple detection)
+#define scanCol_powrRow 3 // Opposite of scanRow_powrCol
+#define scanDual 4 // Typical ~2KRO matrix
+
+
+
+// ----- Scan Mode Setting -----
+#define scanMode scanCol
+
+
+
+// ----- Key Settings -----
+#define keyboardSize 16 // # of keys
+
+
+
+// ----- Matrix Configuration -----
+static uint8_t matrix_pinout[][] = {
+
+
+
+// Just layout the matrix by rows and columns
+// Usually you'll want to set the scanMode above to scanDual or scanCol_powrRow/scanRow_powrCol
+// The mode allows for optimization in the kind of scanning algorithms that are done
+//
+// The key numbers are used to translate into the keymap table (array) (and always start from 1, not 0).
+// See the keymap.h file for the various preconfigured arrays.
+
+// Scan Mode | Col 1 | Col 2 | Col 3 | Col 4 | Col 4 | ...
+// -------------------------------------------------------
+// Row 1 | Key 1 Key 7 Key32 ...
+// Row 2 | Key 3 Key92 ...
+// Row 3 | Key23 ...
+// Row 4 | ...
+// Row 5 |
+// ... |
+
+
+ { scanMode, pinF4, pinA6, pinA1, pinA3, pinF5, pinA5, pinA2, pinF0, pinF6, pinA7, pinA0, pinF1, pinF3, pinF7, pinA4, pinF2 },
+ { pinNULL, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 },
+
+
+// Example Rows
+//{ pinE0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 },
+//{ pinE1, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, },
+
+
+};
+
+
+// ----- Variables -----
+
+// NOTE: Highest Bit: Valid keypress (0x80 is valid keypress)
+// Other Bits: Pressed state sample counter
+uint8_t keyboardDetectArray[keyboardSize + 1];
+
+
+
+// ----- Functions -----
+
+
+#endif // __MATRIX_H
+
+
-/* Very basic print functions, intended to be used with usb_debug_only.c
- * http://www.pjrc.com/teensy/
- * Copyright (c) 2008 PJRC.COM, LLC
+/* Copyright (C) 2011 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
* THE SOFTWARE.
*/
-// Version 1.0: Initial Release
+// Compiler Includes
+#include <stdarg.h>
+// AVR Includes
#include <avr/io.h>
#include <avr/pgmspace.h>
+// Project Includes
#include "print.h"
-void print_P(const char *s)
+// Defines
+
+
+// USB HID String Output
+void usb_debug_putstr( char* s )
+{
+ while ( *s != '\0' )
+ usb_debug_putchar( *s++ );
+}
+
+// Multiple string Output
+void usb_debug_putstrs( char* first, ... )
+{
+ // Initialize the variadic function parameter list
+ va_list ap;
+
+ // Get the first parameter
+ va_start( ap, first );
+ char *cur = first;
+
+ // Loop through the variadic list until "\0\0\0" is found
+ while ( !( cur[0] == '\0' && cur[1] == '\0' && cur[2] == '\0' ) )
+ {
+ // Print out the given string
+ usb_debug_putstr( cur );
+
+ // Get the next argument ready
+ cur = va_arg( ap, char* );
+ }
+
+ va_end( ap ); // Not required, but good practice
+}
+
+// Print a constant string
+void _print(const char *s)
{
char c;
- while (1) {
- c = pgm_read_byte(s++);
- if (!c) break;
- if (c == '\n') usb_debug_putchar('\r');
+ // Acquire the character from flash, and print it, as long as it's not NULL
+ // Also, if a newline is found, print a carrige return as well
+ while ( ( c = pgm_read_byte(s++) ) != '\0' )
+ {
+ if ( c == '\n' )
+ usb_debug_putchar('\r');
usb_debug_putchar(c);
}
}
-void phex1(unsigned char c)
+
+
+
+// String Functions
+void int8ToStr( uint8_t in, char* out )
{
- usb_debug_putchar(c + ((c < 10) ? '0' : 'A' - 10));
+ // Position and sign containers
+ uint8_t pos;
+ pos = 0;
+
+ // Evaluate through digits as decimal
+ do
+ {
+ out[pos++] = in % 10 + '0';
+ }
+ while ( (in /= 10) > 0 );
+
+ // Append null
+ out[pos] = '\0';
+
+ // Reverse the string to the correct order
+ revsStr(out);
}
-void phex(unsigned char c)
+
+void int16ToStr( uint16_t in, char* out )
{
- phex1(c >> 4);
- phex1(c & 15);
+ // Position and sign containers
+ uint16_t pos;
+ pos = 0;
+
+ // Evaluate through digits as decimal
+ do
+ {
+ out[pos++] = in % 10 + '0';
+ }
+ while ( (in /= 10) > 0 );
+
+ // Append null
+ out[pos] = '\0';
+
+ // Reverse the string to the correct order
+ revsStr(out);
}
-void phex16(unsigned int i)
+
+void hexToStr_op( uint16_t in, char* out, uint8_t op )
{
- phex(i >> 8);
- phex(i);
+ // Position container
+ uint16_t pos = 0;
+
+ // Evaluate through digits as hex
+ do
+ {
+ uint16_t cur = in % 16;
+ out[pos++] = cur + (( cur < 10 ) ? '0' : 'A' - 10);
+ }
+ while ( (in /= 16) > 0 );
+
+ // Output formatting options
+ switch ( op )
+ {
+ case 1: // Add 0x
+ out[pos++] = 'x';
+ out[pos++] = '0';
+ break;
+ case 2: // 8-bit padding
+ case 4: // 16-bit padding
+ while ( pos < op )
+ out[pos++] = '0';
+ break;
+ }
+
+ // Append null
+ out[pos] = '\0';
+
+ // Reverse the string to the correct order
+ revsStr(out);
}
-void pint8(unsigned char c)
+
+void revsStr( char* in )
{
- // 100's
- if ( c > 99 )
- usb_debug_putchar( c / 100 + '0' );
+ // Iterators
+ int i, j;
- // 10's - Note: Uses dropping of decimal of float/double types
- if ( c > 9 )
- usb_debug_putchar( c / 10 - (c / 100) * 10 + '0' );
+ // Temp storage
+ char c;
- // 1's
- usb_debug_putchar( c % 10 + '0' );
+ // Loop through the string, and reverse the order of the characters
+ for ( i = 0, j = lenStr( in ) - 1; i < j; i++, j-- )
+ {
+ c = in[i];
+ in[i] = in[j];
+ in[j] = c;
+ }
}
+uint16_t lenStr( char* in )
+{
+ // Iterator
+ char *pos;
+
+ // Loop until null is found
+ for ( pos = in; *pos; pos++ );
+
+ // Return the difference between the pointers of in and pos (which is the string length)
+ return (pos - in);
+}
+
+/* Copyright (C) 2011 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 print_h__
#define print_h__
+// AVR Includes
#include <avr/pgmspace.h>
+
+// Project Includes
#include "usb_keyboard_debug.h"
-// this macro allows you to write print("some text") and
-// the string is automatically placed into flash memory :)
-#define print(s) print_P(PSTR(s))
-#define pchar(c) usb_debug_putchar(c)
+// Defines
+#define NL "\r\n"
+
+
+/* XXX
+ * Note that all the variadic functions below, take comma separated string lists, they are purposely not printf style (simplicity)
+ */
+
+// Function Aliases
+#define dPrint(c) usb_debug_putchar(c)
+#define dPrintStr(c) usb_debug_putstr (c)
+#define dPrintStrs(...) usb_debug_putstrs(__VA_ARGS__, "\0\0\0") // Convenience Variadic Macro
+#define dPrintStrNL(c) dPrintStrs (c, NL) // Appends New Line Macro
+#define dPrintStrsNL(...) usb_debug_putstrs(__VA_ARGS__, NL, "\0\0\0") // Appends New Line Macro
+
+// Special Msg Constructs (Uses VT100 tags)
+#define dPrintMsg(colour_code_str,msg,...) \
+ usb_debug_putstrs("\033[", colour_code_str, "m", msg, "\033[0m - ", __VA_ARGS__, NL, "\0\0\0")
+#define printMsg(colour_code_str,msg,str) \
+ print("\033[" colour_code_str "m" msg "\033[0m - " str NL)
+
+// Info Messages
+#define info_dPrint(...) dPrintMsg ("1;32", "INFO", __VA_ARGS__) // Info Msg
+#define info_print(str) printMsg ("1;32", "INFO", str) // Info Msg
+
+// Warning Messages
+#define warn_dPrint(...) dPrintMsg ("1;33", "WARNING", __VA_ARGS__) // Warning Msg
+#define warn_print(str) printMsg ("1;33", "WARNING", str) // Warning Msg
-void print_P(const char *s);
-void phex(unsigned char c);
-void phex16(unsigned int i);
-void pint8(unsigned char c);
+// Error Messages
+#define erro_dPrint(...) dPrintMsg ("1;5;31", "ERROR", __VA_ARGS__) // Error Msg
+#define erro_print(str) printMsg ("1;5;31", "ERROR", str) // Error Msg
+
+// Debug Messages
+#define dbug_dPrint(...) dPrintMsg ("1;35", "DEBUG", __VA_ARGS__) // Debug Msg
+#define dbug_print(str) printMsg ("1;35", "DEBUG", str) // Debug Msg
+
+// Static String Printing
+#define print(s) _print(PSTR(s))
+
+void _print(const char *s);
+void usb_debug_putstr( char* s );
+void usb_debug_putstrs( char* first, ... );
+
+
+
+// String Functions
+#define hexToStr(hex, out) hexToStr_op(hex, out, 1)
+
+void int8ToStr ( uint8_t in, char* out );
+void int16ToStr ( uint16_t in, char* out );
+void hexToStr_op( uint16_t in, char* out, uint8_t op );
+void revsStr ( char* in );
+uint16_t lenStr ( char* in );
#endif
+
--- /dev/null
+/* Copyright (C) 2011 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.
+ */
+
+
+#include <stdint.h>
+#include "usb_keyboard_debug.h"
+#include "keymap.h"
+// Debouncing Defines
+#define SAMPLE_THRESHOLD 110
+#define MAX_SAMPLES 127 // Max is 127, reaching 128 is very bad
+// Loop over all of the sampled keys of the given array
+// If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
+// This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
+#define DEBOUNCE_ASSESS(table,size) \
+ for ( uint8_t key = 1; key < size + 1; key++ ) {\
+ table[key] = ( table[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD ? (1 << 7) : 0x00; \
+ } \
+
+// NOTE: Highest Bit: Valid keypress (0x80 is valid keypress)
+// Other Bits: Pressed state sample counter
+#define KEYBOARD_SIZE 23
+uint8_t keyboardDetectArray[KEYBOARD_SIZE + 1];
+
+// Interrupt Variable
+volatile uint8_t sendKeypresses = 0;
+
+// USB Data Send
+void usb_send( uint8_t validKeys )
+{
+ // TODO undo potentially old keys
+ for ( uint8_t c = validKeys; c < 6; c++ )
+ keyboard_keys[c] = 0;
+
+ // Send keypresses
+ usb_keyboard_send();
+
+ // Clear sendKeypresses Flag
+ sendKeypresses = 0;
+
+ // Clear modifiers
+ keyboard_modifier_keys = 0;
+}
+
+
+// Given a sampling array, and the current number of detected keypress
+// Add as many keypresses from the sampling array to the USB key send array as possible.
+void keyPressDetection( uint8_t *keys, uint8_t *validKeys, uint8_t numberOfKeys, uint8_t *modifiers, uint8_t numberOfModifiers, uint8_t *map ) {
+ for ( uint8_t key = 0; key < numberOfKeys + 1; key++ ) {
+ if ( keys[key] & (1 << 7) ) {
+ pint8( key );
+ //print(" ");
+ uint8_t modFound = 0;
+
+ // Determine if the key is a modifier
+ for ( uint8_t mod = 0; mod < numberOfModifiers; mod++ ) {
+ // Modifier found
+ if ( modifiers[mod] == key ) {
+ keyboard_modifier_keys |= map[key];
+ modFound = 1;
+ break;
+ }
+ }
+ if ( modFound )
+ continue;
+
+ // Too many keys
+ if ( *validKeys == 6 )
+ break;
+
+ // Allow ignoring keys with 0's
+ if ( map[key] != 0 )
+ keyboard_keys[(*validKeys)++] = map[key];
+ }
+ }
+}
+
+
+// Main Detection Loop
+void scan_loop( void )
+{
+ //matrix_pinSetup( matrix_pinout );
+ uint8_t count = 0;
+
+ for ( ;; ) {
+ //matrix_scan( matrix_pinout, keyboardDetectArray );
+
+ // Check count to see if the sample threshold may have been reached, otherwise collect more data
+ if ( count++ < MAX_SAMPLES )
+ continue;
+
+ // Reset Sample Counter
+ count = 0;
+
+ // Assess debouncing sample table
+ //DEBOUNCE_ASSESS(keyDetectArray,KEYBOARD_SIZE)
+
+ // Send keypresses over USB if the ISR has signalled that it's time
+ if ( !sendKeypresses )
+ continue;
+
+ // Layout Setup
+ uint8_t validKeys = 0;
+
+ uint8_t *keyboard_MODMASK = keyboard_modifierMask;
+ uint8_t keyboard_NUMMODS = MODIFIERS_KEYBOARD;
+ uint8_t *keyboard_MAP = defaultMap;
+
+ // TODO Layout Switching
+
+ // TODO Macro Processing
+
+ // Debounce Sampling Array to USB Data Array
+ keyPressDetection( keyboardDetectArray, &validKeys, KEYBOARD_SIZE, keyboard_MODMASK, keyboard_NUMMODS, keyboard_MAP );
+
+ // Send USB Data
+ usb_send( validKeys );
+ }
+}
+
--- /dev/null
+/* Copyright (C) 2011 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
+
+//extern uint8_t keyboardDetectArray[KEYBOARDZ
+extern volatile uint8_t sendKeypresses;
+
+void scan_loop( void );
+
+#endif // __SCAN_LOOP_H
+
--- /dev/null
+#!/bin/bash
+
+#| Loads the hex file onto the teensy 2.0
+
+sudo teensy-loader-cli -mmcu=atmega32u4 -w Build/main.hex
+
+exit 0
+