]> git.donarmstrong.com Git - kiibohd-controller.git/commitdiff
Code re-factor now compiles.
authorJacob Alexander <triplehaata@gmail.com>
Wed, 28 Sep 2011 04:31:59 +0000 (21:31 -0700)
committerJacob Alexander <triplehaata@gmail.com>
Wed, 28 Sep 2011 04:31:59 +0000 (21:31 -0700)
- Added better string handling and canned messages
- Added LED error function
- Moved code around
- Prepared the matrix code for multiple styles of scanning (changed at compile time)

Makefile
keymap.h [new file with mode: 0644]
main.c
matrix.c [new file with mode: 0644]
matrix.h [new file with mode: 0644]
print.c
print.h
scan_loop.c [new file with mode: 0644]
scan_loop.h [new file with mode: 0644]
sload [new file with mode: 0755]

index 367296280cfbf26beadbdc4e63d847e496304089..4f8616406e15205d52fc852617b8077d3e26a01f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -48,6 +48,7 @@ TARGET = main
 SRC =  $(TARGET).c \
        print.c \
        usb_keyboard_debug.c \
+       scan_loop.c
        #usb_keyboard.c 
 
 
diff --git a/keymap.h b/keymap.h
new file mode 100644 (file)
index 0000000..a0a0739
--- /dev/null
+++ b/keymap.h
@@ -0,0 +1,228 @@
+#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
+
diff --git a/main.c b/main.c
index 1689a9b2b2b510f765ebd2ab36a1fc8dca5bf8b4..76abe51f14204bf54cf273b36760118a438da1d2 100644 (file)
--- a/main.c
+++ b/main.c
@@ -23,7 +23,7 @@
 #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);
        }
 }
@@ -282,39 +76,6 @@ inline void pinSetup(void)
        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 )
 {
@@ -340,117 +101,22 @@ 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++;
diff --git a/matrix.c b/matrix.c
new file mode 100644 (file)
index 0000000..8bf3f62
--- /dev/null
+++ b/matrix.c
@@ -0,0 +1,181 @@
+/* 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
+}
+
diff --git a/matrix.h b/matrix.h
new file mode 100644 (file)
index 0000000..4b728df
--- /dev/null
+++ b/matrix.h
@@ -0,0 +1,151 @@
+/* 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
+
+
diff --git a/print.c b/print.c
index b49a1dd1c42e4b387e6e6c2c3e8cabd0fd09398d..e721ec4903f0727c6a69e91b8b4dd860a19f675c 100644 (file)
--- a/print.c
+++ b/print.c
@@ -1,6 +1,4 @@
-/* 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);
+}
+
diff --git a/print.h b/print.h
index 141579226df2a2c164a819695231a72c94f2e579..f7926234f151433fac3bdda605a7586f048d1d39 100644 (file)
--- a/print.h
+++ b/print.h
@@ -1,17 +1,87 @@
+/* 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
+
diff --git a/scan_loop.c b/scan_loop.c
new file mode 100644 (file)
index 0000000..69b3084
--- /dev/null
@@ -0,0 +1,137 @@
+/* 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 );
+       }
+}
+
diff --git a/scan_loop.h b/scan_loop.h
new file mode 100644 (file)
index 0000000..52c358d
--- /dev/null
@@ -0,0 +1,31 @@
+/* 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
+
diff --git a/sload b/sload
new file mode 100755 (executable)
index 0000000..26b2f24
--- /dev/null
+++ b/sload
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+#| Loads the hex file onto the teensy 2.0
+
+sudo teensy-loader-cli -mmcu=atmega32u4 -w Build/main.hex
+
+exit 0
+