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authortmk2010-08-22 23:58:37 +0900
committertmk2010-08-23 00:01:42 +0900
commit8cfb3712d58e4a88029dfd00111714e91939005e (patch)
tree4650383eac715a84419e678e0e990c99a7423907
parent20711b59e7b72d0a1875c3d38832fade6f56445d (diff)
matrix scan & default keymap
-rw-r--r--Makefile1
-rw-r--r--keymap.c27
-rw-r--r--keymap.h9
-rw-r--r--mykey.c186
-rw-r--r--print.c8
-rw-r--r--print.h1
-rw-r--r--usbkeycodes.h273
7 files changed, 467 insertions, 38 deletions
diff --git a/Makefile b/Makefile
index d54627ce1..c15cc2167 100644
--- a/Makefile
+++ b/Makefile
@@ -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
diff --git a/keymap.c b/keymap.c
new file mode 100644
index 000000000..73971ed86
--- /dev/null
+++ b/keymap.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];
+}
diff --git a/keymap.h b/keymap.h
new file mode 100644
index 000000000..bf6e47240
--- /dev/null
+++ b/keymap.h
@@ -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
diff --git a/mykey.c b/mykey.c
index f69503e5f..098bb4e51 100644
--- a/mykey.c
+++ b/mykey.c
@@ -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);
}
}
diff --git a/print.c b/print.c
index e6aa1fe52..2f0617c64 100644
--- a/print.c
+++ b/print.c
@@ -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');
+ }
+}
diff --git a/print.h b/print.h
index 1de618fba..d6bb0aad2 100644
--- a/print.h
+++ b/print.h
@@ -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
diff --git a/usbkeycodes.h b/usbkeycodes.h
new file mode 100644
index 000000000..ca2082743
--- /dev/null
+++ b/usbkeycodes.h
@@ -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 */