Initial firmware

pull/18/head
Jesse Vincent 11 years ago
commit f35aad770b

@ -0,0 +1,343 @@
// Copyright 2013 Jesse Vincent <jesse@fsck.com>
// All Rights Reserved. (To be licensed under an opensource license
// before the release of the keyboard.io model 01
#include <stdio.h>
//#include <ps2.h>
#define ROW_A 0
#define ROW_B 1
#define ROW_C 2
#define ROW_D 3
#define ROW_E 4
#define COL_1 0
#define COL_2 1
#define COL_3 2
#define COL_4 3
#define COL_5 4
#define COL_6 5
#define COL_7 6
#define COL_8 7
#define COL_9 8
#define COL_10 9
#define COL_11 10
#define COL_12 11
#define COL_13 12
#define COL_14 13
#define NO_KEY false
#define KEY_RIGHT_FN2 false
#define KEY_LEFT_FN2 false
/* These are defined by the platform
#define KEY_LEFT_CTRL 0x80
#define KEY_LEFT_SHIFT 0x81
#define KEY_LEFT_ALT 0x82
#define KEY_LEFT_GUI 0x83
#define KEY_RIGHT_CTRL 0x84
#define KEY_RIGHT_SHIFT 0x85
#define KEY_RIGHT_ALT 0x86
#define KEY_RIGHT_GUI 0x87
#define KEY_UP_ARROW 0xDA
#define KEY_DOWN_ARROW 0xD9
#define KEY_LEFT_ARROW 0xD8
#define KEY_RIGHT_ARROW 0xD7
#define KEY_BACKSPACE 0xB2
#define KEY_TAB 0xB3
#define KEY_RETURN 0xB0
#define KEY_ESC 0xB1
#define KEY_INSERT 0xD1
#define KEY_DELETE 0xD4
#define KEY_PAGE_UP 0xD3
#define KEY_PAGE_DOWN 0xD6
#define KEY_HOME 0xD2
#define KEY_END 0xD5
#define KEY_CAPS_LOCK 0xC1
#define KEY_F1 0xC2
#define KEY_F2 0xC3
#define KEY_F3 0xC4
#define KEY_F4 0xC5
#define KEY_F5 0xC6
#define KEY_F6 0xC7
#define KEY_F7 0xC8
#define KEY_F8 0xC9
#define KEY_F9 0xCA
#define KEY_F10 0xCB
#define KEY_F11 0xCC
#define KEY_F12 0xCD
*/
#define KEY_0 '0'
#define KEY_1 '1'
#define KEY_2 '2'
#define KEY_3 '3'
#define KEY_4 '4'
#define KEY_5 '5'
#define KEY_6 '6'
#define KEY_7 '7'
#define KEY_8 '8'
#define KEY_9 '9'
#define KEY_A 'a'
#define KEY_B 'b'
#define KEY_C 'c'
#define KEY_D 'd'
#define KEY_E 'e'
#define KEY_F 'f'
#define KEY_G 'g'
#define KEY_H 'h'
#define KEY_I 'i'
#define KEY_J 'j'
#define KEY_K 'k'
#define KEY_L 'l'
#define KEY_M 'm'
#define KEY_N 'n'
#define KEY_O 'o'
#define KEY_P 'p'
#define KEY_Q 'q'
#define KEY_R 'r'
#define KEY_S 's'
#define KEY_T 't'
#define KEY_U 'u'
#define KEY_V 'v'
#define KEY_W 'w'
#define KEY_X 'x'
#define KEY_Y 'y'
#define KEY_Z 'z'
#define KEY_BACKTICK '`'
#define KEY_MINUS '-'
#define KEY_EQUALS '='
#define KEY_LEFT_BRACKET '['
#define KEY_RIGHT_BRACKET ']'
#define KEY_BACKSLASH '\\'
#define KEY_SEMICOLON ';'
#define KEY_QUOTE '\''
#define KEY_COMMA ','
#define KEY_PERIOD '.'
#define KEY_SPACE ' '
#define KEY_SLASH '/'
static const int COLS = 14;
static const int ROWS = 5;
static int colPins[COLS] = {
16,0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
};
static int rowPins[ROWS] = {
A2, A3, A4,A5,15
};
boolean previousMatrix[COLS][ROWS];
boolean currentMatrix[COLS][ROWS];
char keymap[ROWS][COLS];
void
setup()
{
Serial.begin(115200);
setup_matrix();
init_keymap();
Keyboard.begin();
//set up the col pins as inputs
// initialize the previous button matrix
// initialize the current button matrix
}
void
loop()
{
scan_matrix();
send_key_event();
reset_matrix();
}
void
reset_matrix()
{
//TODO:be smarter and just move pointers around
for (int col = 0; col < COLS; col++) {
for (int row = 0; row < ROWS; row++) {
previousMatrix[col][row] = currentMatrix[col][row];
currentMatrix[col][row] = 0;
}
}
}
void
send_key_event()
{
//for every newly pressed button, figure out what logical key it is and send a key down event
// for every newly released button, figure out what logical key it is and send a key up event
// TODO:switch to sending raw HID packets
// set last_matrix to matrix and clear matrix
}
void
setup_matrix()
{
//set up the row pins as outputs
for (int row = 0; row < ROWS; row++) {
pinMode(rowPins[row], OUTPUT);
digitalWrite(rowPins[row], HIGH);
}
for (int col = 0; col < COLS; col++) {
pinMode(colPins[col], INPUT);
digitalWrite(colPins[col], HIGH);
//drive em high by default s it seems to be more reliable than driving em low
}
//blank out the matrix.blank out the previous version of the matrix
for (int col = 0; col < COLS; col++) {
for (int row = 0; row < ROWS; row++) {
previousMatrix[col][col] = 0;
currentMatrix[col][row] = 0;
}
}
}
void
scan_matrix()
{
//scan the keyboard matrix looking for connections
for (int row = 0; row < ROWS; row++) {
digitalWrite(rowPins[row], LOW);
for (int col = 0; col < COLS; col++) {
//If we see an electrical connection on I->J,
int value = !digitalRead(colPins[col]);
if (previousMatrix[col][row] != value) {
if (value) {
Keyboard.press(keymap[row][col]);
} else {
Keyboard.release(keymap[row][col]);
}
Serial.print("Detected a change on ");
Serial.print(col);
Serial.print(" ");
Serial.print(row);
Serial.print(" to ");
Serial.print(value);
Serial.println(".");
}
currentMatrix[col][row] = value;
}
digitalWrite(rowPins[row], HIGH);
}
}
void init_keymap() {
keymap[ROW_A][COL_1] = NO_KEY;
keymap[ROW_A][COL_2] = KEY_1;
keymap[ROW_A][COL_3] = KEY_2;
keymap[ROW_A][COL_4] = KEY_3;
keymap[ROW_A][COL_5] = KEY_4;
keymap[ROW_A][COL_6] = KEY_5;
keymap[ROW_A][COL_7] = NO_KEY;
keymap[ROW_A][COL_8] = NO_KEY;
keymap[ROW_A][COL_9] = KEY_6;
keymap[ROW_A][COL_10] = KEY_7;
keymap[ROW_A][COL_11] = KEY_8;
keymap[ROW_A][COL_12] = KEY_9;
keymap[ROW_A][COL_13] = KEY_0;
keymap[ROW_A][COL_14] = NO_KEY;
keymap[ROW_B][COL_1] = KEY_BACKTICK;
keymap[ROW_B][COL_2] = KEY_Q;
keymap[ROW_B][COL_3] = KEY_W;
keymap[ROW_B][COL_4] = KEY_E;
keymap[ROW_B][COL_5] = KEY_R;
keymap[ROW_B][COL_6] = KEY_T;
keymap[ROW_B][COL_7] = NO_KEY;
keymap[ROW_B][COL_8] = NO_KEY;
keymap[ROW_B][COL_9] = KEY_Y;
keymap[ROW_B][COL_10] = KEY_U;
keymap[ROW_B][COL_11] = KEY_I;
keymap[ROW_B][COL_12] = KEY_O;
keymap[ROW_B][COL_13] = KEY_P;
keymap[ROW_B][COL_14] = KEY_EQUALS;
keymap[ROW_C][COL_1] = KEY_PAGE_UP;
keymap[ROW_C][COL_2] = KEY_A;
keymap[ROW_C][COL_3] = KEY_S;
keymap[ROW_C][COL_4] = KEY_D;
keymap[ROW_C][COL_5] = KEY_F;
keymap[ROW_C][COL_6] = KEY_G;
keymap[ROW_C][COL_7] = KEY_TAB;
keymap[ROW_C][COL_8] = KEY_RETURN;
keymap[ROW_C][COL_9] = KEY_H;
keymap[ROW_C][COL_10] = KEY_J;
keymap[ROW_C][COL_11] = KEY_K;
keymap[ROW_C][COL_12] = KEY_L;
keymap[ROW_C][COL_13] = KEY_SEMICOLON;
keymap[ROW_C][COL_14] = KEY_QUOTE;
keymap[ROW_D][COL_1] = KEY_PAGE_DOWN;
keymap[ROW_D][COL_2] = KEY_Z;
keymap[ROW_D][COL_3] = KEY_X;
keymap[ROW_D][COL_4] = KEY_C;
keymap[ROW_D][COL_5] = KEY_V;
keymap[ROW_D][COL_6] = KEY_B;
keymap[ROW_D][COL_7] = KEY_ESC;
keymap[ROW_D][COL_8] = KEY_RETURN;
keymap[ROW_D][COL_9] = KEY_N;
keymap[ROW_D][COL_10] = KEY_M;
keymap[ROW_D][COL_11] = KEY_COMMA;
keymap[ROW_D][COL_12] = KEY_PERIOD;
keymap[ROW_D][COL_13] = KEY_SLASH;
keymap[ROW_D][COL_14] = KEY_MINUS;
keymap[ROW_E][COL_1] = KEY_LEFT_GUI;
keymap[ROW_E][COL_2] = KEY_BACKSPACE;
keymap[ROW_E][COL_3] = KEY_LEFT_SHIFT;
keymap[ROW_E][COL_4] = KEY_LEFT_CTRL;
keymap[ROW_E][COL_5] = KEY_LEFT_FN2;
keymap[ROW_E][COL_6] = NO_KEY;
keymap[ROW_E][COL_7] = NO_KEY;
keymap[ROW_E][COL_8] = NO_KEY;
keymap[ROW_E][COL_9] = NO_KEY;
keymap[ROW_E][COL_10] = KEY_RIGHT_FN2;
keymap[ROW_E][COL_11] = KEY_RIGHT_CTRL;
keymap[ROW_E][COL_12] = KEY_RIGHT_SHIFT;
keymap[ROW_E][COL_13] = KEY_SPACE;
keymap[ROW_E][COL_14] = KEY_RIGHT_ALT;
}
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