# List C source files here. (C dependencies are automatically generated.) | # List C source files here. (C dependencies are automatically generated.) | ||||
SRC = $(TARGET).c \ | SRC = $(TARGET).c \ | ||||
keymap.c \ | |||||
usb_keyboard_debug.c \ | usb_keyboard_debug.c \ | ||||
print.c | print.c | ||||
#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]; | |||||
} |
#ifndef KEYMAP_H | |||||
#define KEYMAP_H 1 | |||||
#include <stdint.h> | |||||
#include "usbkeycodes.h" | |||||
uint8_t get_keycode(uint8_t row, uint8_t col); | |||||
#endif |
#include <util/delay.h> | #include <util/delay.h> | ||||
#include "usb_keyboard_debug.h" | #include "usb_keyboard_debug.h" | ||||
#include "print.h" | #include "print.h" | ||||
#include "keymap.h" | |||||
#define LED_CONFIG (DDRD |= (1<<6)) | #define LED_CONFIG (DDRD |= (1<<6)) | ||||
#define LED_ON (PORTD &= ~(1<<6)) | #define LED_ON (PORTD &= ~(1<<6)) | ||||
uint16_t idle_count=0; | 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) | 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 | // set for 16 MHz clock | ||||
CPU_PRESCALE(0); | 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. | // 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, | // If the Teensy is powered without a PC connected to the USB port, | ||||
print("All Port B or Port D pins are inputs with pullup resistors.\n"); | 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("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"); | print("keystrokes sent to the PC (and debug messages here).\n"); | ||||
uint8_t col; | |||||
uint8_t code; | |||||
while (1) { | 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 any keypresses were detected, reset the idle counter | ||||
if (reset_idle) { | if (reset_idle) { | ||||
// variables shared with interrupt routines must be | // variables shared with interrupt routines must be | ||||
idle_count = 0; | idle_count = 0; | ||||
sei(); | sei(); | ||||
} | } | ||||
// now the current pins will be the previous, and | // now the current pins will be the previous, and | ||||
// wait a short delay so we're not highly sensitive | // wait a short delay so we're not highly sensitive | ||||
// to mechanical "bounce". | // to mechanical "bounce". | ||||
b_prev = b; | |||||
d_prev = d; | |||||
_delay_ms(2); | _delay_ms(2); | ||||
} | } | ||||
} | } |
} | } | ||||
void pbin(unsigned char c) | |||||
{ | |||||
for (int i=7; i>=0; i--) { | |||||
usb_debug_putchar((c & (1<<i)) ? '1' : '0'); | |||||
} | |||||
} |
void print_P(const char *s); | void print_P(const char *s); | ||||
void phex(unsigned char c); | void phex(unsigned char c); | ||||
void phex16(unsigned int i); | void phex16(unsigned int i); | ||||
void pbin(unsigned char c); | |||||
#endif | #endif |
/* 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 */ |