@@ -46,6 +46,7 @@ TARGET = mykey | |||
# List C source files here. (C dependencies are automatically generated.) | |||
SRC = $(TARGET).c \ | |||
keymap.c \ | |||
usb_keyboard_debug.c \ | |||
print.c | |||
@@ -0,0 +1,27 @@ | |||
#include "keymap.h" | |||
/* | |||
* keymap for modified macway keyboard | |||
*/ | |||
#define MATRIX_ROWS 9 | |||
#define MATRIX_COLS 8 | |||
const uint8_t Keymap[MATRIX_COLS][MATRIX_ROWS] = { | |||
{ KB_LALT, KB_1, KB_2, KB_3, KB_4, KB_7, KB_8, KB_9, KB_0 }, | |||
{ KB_NO, KB_ESCAPE, KB_RALT, KB_NO, KB_5, KB_6, KB_EQUAL, KB_NO, KB_MINUS }, | |||
{ KB_BSPACE, KB_TAB, KB_LGUI, KB_RSHIFT, KB_T, KB_Y, KB_RBRACKET, KB_NO, KB_LBRACKET }, | |||
{ KB_NO, KB_Q, KB_W, KB_E, KB_R, KB_U, KB_I, KB_O, KB_P }, | |||
{ KB_BSLASH, KB_A, KB_S, KB_D, KB_F, KB_J, KB_K, KB_L, KB_SCOLON }, | |||
{ KB_NO, KB_LCTRL, KB_NO, KB_UP, KB_G, KB_H, KB_NO, KB_GRAVE, KB_QUOTE }, | |||
{ KB_ENTER, KB_Z, KB_X, KB_C, KB_V, KB_M, KB_COMMA, KB_DOWN, KB_NO }, | |||
{ KB_SPACE, KB_DOWN, KB_RIGHT, KB_LEFT, KB_B, KB_N, KB_LSHIFT, KB_NO, KB_SLASH } | |||
}; | |||
uint8_t get_keycode(uint8_t row, uint8_t col) | |||
{ | |||
if (row >= MATRIX_ROWS) | |||
return KB_NO; | |||
if (col >= MATRIX_COLS) | |||
return KB_NO; | |||
return Keymap[col][row]; | |||
} |
@@ -0,0 +1,9 @@ | |||
#ifndef KEYMAP_H | |||
#define KEYMAP_H 1 | |||
#include <stdint.h> | |||
#include "usbkeycodes.h" | |||
uint8_t get_keycode(uint8_t row, uint8_t col); | |||
#endif |
@@ -27,6 +27,7 @@ | |||
#include <util/delay.h> | |||
#include "usb_keyboard_debug.h" | |||
#include "print.h" | |||
#include "keymap.h" | |||
#define LED_CONFIG (DDRD |= (1<<6)) | |||
#define LED_ON (PORTD &= ~(1<<6)) | |||
@@ -38,21 +39,127 @@ uint8_t number_keys[10]= | |||
uint16_t idle_count=0; | |||
// | |||
// scan matrix | |||
// | |||
uint8_t MAX_ROW = 9; | |||
// initialize ports for matrix | |||
void port_setup(void) | |||
{ | |||
// Column: input w/pullup | |||
DDRB = 0x00; | |||
PORTB = 0xFF; | |||
// Row: Hi-Z(unselected) | |||
// PD:0,1,2,3,6,7 | |||
// PC:6,7 | |||
// PF:7 | |||
DDRD = 0x00; | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
} | |||
// select a row of matrix for read | |||
void select_row(uint8_t row) | |||
{ | |||
switch (row) { | |||
case 0: | |||
DDRD = (1<<0); | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 1: | |||
DDRD = (1<<1); | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 2: | |||
DDRD = (1<<2); | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 3: | |||
DDRD = (1<<3); | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 4: | |||
DDRD = (1<<6); | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 5: | |||
DDRD = (1<<7); | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 6: | |||
DDRD = 0x00; | |||
PORTD = 0x00; | |||
DDRC = (1<<6); | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 7: | |||
DDRD = 0x00; | |||
PORTD = 0x00; | |||
DDRC = (1<<7); | |||
PORTC = 0x00; | |||
DDRF = 0x00; | |||
PORTF = 0x00; | |||
break; | |||
case 8: | |||
DDRD = 0x00; | |||
PORTD = 0x00; | |||
DDRC = 0x00; | |||
PORTC = 0x00; | |||
DDRF = (1<<7); | |||
PORTF = 0x00; | |||
break; | |||
} | |||
} | |||
uint8_t read_col(void) | |||
{ | |||
return PINB; | |||
} | |||
int main(void) | |||
{ | |||
uint8_t b, d, mask, i, reset_idle; | |||
uint8_t b_prev=0xFF, d_prev=0xFF; | |||
uint8_t i, reset_idle; | |||
uint8_t prev_state[MAX_ROW]; | |||
for (int i=0; i < MAX_ROW; i++) prev_state[i] = 0xFF; | |||
// set for 16 MHz clock | |||
CPU_PRESCALE(0); | |||
// Configure all port B and port D pins as inputs with pullup resistors. | |||
// See the "Using I/O Pins" page for details. | |||
// http://www.pjrc.com/teensy/pins.html | |||
DDRD = 0x00; | |||
DDRB = 0x00; | |||
PORTB = 0xFF; | |||
PORTD = 0xFF; | |||
port_setup(); | |||
// Initialize the USB, and then wait for the host to set configuration. | |||
// If the Teensy is powered without a PC connected to the USB port, | |||
@@ -76,32 +183,40 @@ int main(void) | |||
print("All Port B or Port D pins are inputs with pullup resistors.\n"); | |||
print("Any connection to ground on Port B or D pins will result in\n"); | |||
print("keystrokes sent to the PC (and debug messages here).\n"); | |||
uint8_t col; | |||
uint8_t code; | |||
while (1) { | |||
// read all port B and port D pins | |||
b = PINB; | |||
d = PIND; | |||
// check if any pins are low, but were high previously | |||
mask = 1; | |||
reset_idle = 0; | |||
for (i=0; i<8; i++) { | |||
if (((b & mask) == 0) && (b_prev & mask) != 0) { | |||
//usb_keyboard_press(KEY_B, KEY_SHIFT); | |||
//usb_keyboard_press(number_keys[i], 0); | |||
print("Port B, bit "); | |||
phex(i); | |||
print("\n"); | |||
reset_idle = 1; | |||
} | |||
if (((d & mask) == 0) && (d_prev & mask) != 0) { | |||
//usb_keyboard_press(KEY_D, KEY_SHIFT); | |||
//usb_keyboard_press(number_keys[i], 0); | |||
print("Port D, bit "); | |||
phex(i); | |||
print("\n"); | |||
reset_idle = 1; | |||
} | |||
mask = mask << 1; | |||
} | |||
reset_idle = 0; | |||
for (uint8_t r=0; r < MAX_ROW; r++) { | |||
select_row(r); | |||
// without this read unstable value. | |||
_delay_us(30); | |||
col = read_col(); | |||
if (col != prev_state[r]) { | |||
prev_state[r] = col; | |||
phex(r); | |||
print(": "); | |||
pbin(col); | |||
print("\n"); | |||
for (int c = 0; c < 8; c++) { | |||
if (col & 1<<c) continue; | |||
code = get_keycode(r, c); | |||
phex(code); | |||
print("\n"); | |||
usb_keyboard_press(code, 0); | |||
} | |||
reset_idle = 1; | |||
} | |||
} | |||
// if any keypresses were detected, reset the idle counter | |||
if (reset_idle) { | |||
// variables shared with interrupt routines must be | |||
@@ -111,11 +226,10 @@ int main(void) | |||
idle_count = 0; | |||
sei(); | |||
} | |||
// now the current pins will be the previous, and | |||
// wait a short delay so we're not highly sensitive | |||
// to mechanical "bounce". | |||
b_prev = b; | |||
d_prev = d; | |||
_delay_ms(2); | |||
} | |||
} |
@@ -58,5 +58,9 @@ void phex16(unsigned int i) | |||
} | |||
void pbin(unsigned char c) | |||
{ | |||
for (int i=7; i>=0; i--) { | |||
usb_debug_putchar((c & (1<<i)) ? '1' : '0'); | |||
} | |||
} |
@@ -12,5 +12,6 @@ | |||
void print_P(const char *s); | |||
void phex(unsigned char c); | |||
void phex16(unsigned int i); | |||
void pbin(unsigned char c); | |||
#endif |
@@ -0,0 +1,273 @@ | |||
/* Some modified from Keyboard Upgrade 0.3.0 | |||
* 2010/08/22 | |||
*/ | |||
/* | |||
* Keyboard Upgrade -- Firmware for homebrew computer keyboard controllers. | |||
* Copyright (C) 2009 Robert Homann | |||
* | |||
* Based on RUMP (http://mg8.org/rump/), Copyright (C) 2008 Chris Lee | |||
* | |||
* Based on c64key (http://symlink.dk/projects/c64key/), | |||
* Copyright (C) 2006-2007 Mikkel Holm Olsen | |||
* | |||
* Based on HID-Test by Christian Starkjohann, Objective Development | |||
* | |||
* This file is part of the Keyboard Upgrade package. | |||
* | |||
* This program 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 2 of the License, or | |||
* (at your option) any later version. | |||
* | |||
* This program 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. | |||
* | |||
* You should have received a copy of the GNU General Public License | |||
* along with the Keyboard Upgrade package; if not, write to the | |||
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | |||
* MA 02110-1301 USA | |||
*/ | |||
#ifndef USBKEYCODES_H | |||
#define USBKEYCODES_H | |||
/* | |||
* The USB keycodes are enumerated here - the first part is simply | |||
* an enumeration of the allowed scan-codes used for USB HID devices. | |||
*/ | |||
/* | |||
* see 10 Keyboard/Keypad Page(0x07) | |||
* http://www.usb.org/developers/devclass_docs/Hut1_12.pdf | |||
*/ | |||
enum keycodes { | |||
KB_NO = 0, | |||
KB_ROLL_OVER, | |||
KB_POST_FAIL, | |||
KB_UNDEFINED, | |||
KB_A, | |||
KB_B, | |||
KB_C, | |||
KB_D, | |||
KB_E, | |||
KB_F, | |||
KB_G, | |||
KB_H, | |||
KB_I, | |||
KB_J, | |||
KB_K, | |||
KB_L, | |||
KB_M, /* 0x10 */ | |||
KB_N, | |||
KB_O, | |||
KB_P, | |||
KB_Q, | |||
KB_R, | |||
KB_S, | |||
KB_T, | |||
KB_U, | |||
KB_V, | |||
KB_W, | |||
KB_X, | |||
KB_Y, | |||
KB_Z, | |||
KB_1, | |||
KB_2, | |||
KB_3, /* 0x20 */ | |||
KB_4, | |||
KB_5, | |||
KB_6, | |||
KB_7, | |||
KB_8, | |||
KB_9, | |||
KB_0, | |||
KB_ENTER, | |||
KB_ESCAPE, | |||
KB_BSPACE, | |||
KB_TAB, | |||
KB_SPACE, | |||
KB_MINUS, | |||
KB_EQUAL, | |||
KB_LBRACKET, /* [ */ | |||
KB_RBRACKET, /* ] */ | |||
KB_BSLASH, /* \ (and |) */ | |||
KB_NONUS_HASH, /* Non-US # and ~ */ | |||
KB_SCOLON, /* ; (and :) */ | |||
KB_QUOTE, /* ' and " */ | |||
KB_GRAVE, /* Grave accent and tilde */ | |||
KB_COMMA, /* , and < */ | |||
KB_DOT, /* . and > */ | |||
KB_SLASH, /* / and ? */ | |||
KB_CAPSLOCK, | |||
KB_F1, | |||
KB_F2, | |||
KB_F3, | |||
KB_F4, | |||
KB_F5, | |||
KB_F6, | |||
KB_F7, /* 0x40 */ | |||
KB_F8, | |||
KB_F9, | |||
KB_F10, | |||
KB_F11, | |||
KB_F12, | |||
KB_PSCREEN, | |||
KB_SCKLOCK, | |||
KB_BREAK, | |||
KB_INSERT, | |||
KB_HOME, | |||
KB_PGUP, | |||
KB_DELETE, | |||
KB_END, | |||
KB_PGDOWN, | |||
KB_RIGHT, | |||
KB_LEFT, /* 0x50 */ | |||
KB_DOWN, | |||
KB_UP, | |||
KB_NUMLOCK, | |||
KP_SLASH, | |||
KP_ASTERISK, | |||
KP_MINUS, | |||
KP_PLUS, | |||
KP_ENTER, | |||
KP_1, | |||
KP_2, | |||
KP_3, | |||
KP_4, | |||
KP_5, | |||
KP_6, | |||
KP_7, | |||
KP_8, /* 0x60 */ | |||
KP_9, | |||
KP_0, | |||
KP_DOT, | |||
KB_NONUS_BSLASH, /* Non-US \ and | */ | |||
KB_APPLICATION, | |||
KB_POWER, | |||
KP_EQUAL, | |||
KB_F13, | |||
KB_F14, | |||
KB_F15, | |||
KB_F16, | |||
KB_F17, | |||
KB_F18, | |||
KB_F19, | |||
KB_F20, | |||
KB_F21, /* 0x70 */ | |||
KB_F22, | |||
KB_F23, | |||
KB_F24, | |||
KB_EXECUTE, | |||
KB_HELP, | |||
KB_MENU, | |||
KB_SELECT, | |||
KB_STOP, | |||
KB_AGAIN, | |||
KB_UNDO, | |||
KB_CUT, | |||
KB_COPY, | |||
KB_PASTE, | |||
KB_FIND, | |||
KB_MUTE, | |||
KB_VOLUP, /* 0x80 */ | |||
KB_VOLDOWN, | |||
KB_LOCKING_CAPS, /* locking Caps Lock */ | |||
KB_LOCKING_NUM, /* locking Num Lock */ | |||
KB_LOCKING_SCROLL, /* locking Scroll Lock */ | |||
KP_COMMA, | |||
KP_EQUAL_AS400, /* equal sign on AS/400 */ | |||
KB_INT1, | |||
KB_INT2, | |||
KB_INT3, | |||
KB_INT4, | |||
KB_INT5, | |||
KB_INT6, | |||
KB_INT7, | |||
KB_INT8, | |||
KB_INT9, | |||
KB_LANG1, /* 0x90 */ | |||
KB_LANG2, | |||
KB_LANG3, | |||
KB_LANG4, | |||
KB_LANG5, | |||
KB_LANG6, | |||
KB_LANG7, | |||
KB_LANG8, | |||
KB_LANG9, | |||
KB_ALT_ERASE, | |||
KB_SYSREQ, | |||
KB_CANCEL, | |||
KB_CLEAR, | |||
KB_PRIOR, | |||
KB_RETURN, | |||
KB_SEPARATOR, | |||
KB_OUT, | |||
KB_OPER, | |||
KB_CLEAR_AGAIN, | |||
KB_CRSEL, | |||
KB_EXSEL, | |||
KP_00 = 0xB0, | |||
KP_000, | |||
KB_THOUSANDS_SEPARATOR, | |||
KB_DECIMAL_SEPARATOR, | |||
CURRENCY_UNIT, | |||
CURRENCY_SUB_UNIT, | |||
KP_LPAREN, | |||
KP_RPAREN, | |||
KP_LCBRACKET, /* { */ | |||
KP_RCBRACKET, /* } */ | |||
KP_TAB, | |||
KP_BSPACE, | |||
KP_A, | |||
KP_B, | |||
KP_C, | |||
KP_D, | |||
KP_E, | |||
KP_F, | |||
KP_XOR, | |||
KP_HAT, | |||
KP_PERC, | |||
KP_LT, | |||
KP_GT, | |||
KP_AND, | |||
KP_LAZYAND, | |||
KP_OR, | |||
KP_LAZYOR, | |||
KP_COLON, | |||
KP_HASH, | |||
KP_SPACE, | |||
KP_ATMARK, | |||
KP_EXCLAMATION, | |||
KP_MEM_STORE, | |||
KP_MEM_RECALL, | |||
KP_MEM_CLEAR, | |||
KP_MEM_ADD, | |||
KP_MEM_SUB, | |||
KP_MEM_MUL, | |||
KP_MEM_DIV, | |||
KP_PLUS_MINUS, | |||
KP_CLEAR, | |||
KP_CLEAR_ENTRY, | |||
KP_BINARY, | |||
KP_OCTAL, | |||
KP_DECIMAL, | |||
KP_HEXADECIMAL, | |||
/* | |||
* These are NOT standard USB HID - handled specially in decoding, | |||
* so they will be mapped to the modifier byte in the USB report. | |||
*/ | |||
MOD_START = 0xE0, | |||
KB_LCTRL = 0xE0, /* 0x01 */ | |||
KB_LSHIFT, /* 0x02 */ | |||
KB_LALT, /* 0x04 */ | |||
KB_LGUI, /* 0x08 */ | |||
KB_RCTRL, /* 0x10 */ | |||
KB_RSHIFT, /* 0x20 */ | |||
KB_RALT, /* 0x40 */ | |||
KB_RGUI, /* 0x80 */ | |||
}; | |||
#endif /* USBKEYCODES_H */ |