matrix scan & default keymap
tmk
parent
20711b59e7
commit
8cfb3712d5
1
Makefile
1
Makefile
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@ -46,6 +46,7 @@ TARGET = mykey
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# List C source files here. (C dependencies are automatically generated.)
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SRC = $(TARGET).c \
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keymap.c \
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usb_keyboard_debug.c \
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print.c
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@ -0,0 +1,27 @@
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#include "keymap.h"
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/*
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* keymap for modified macway keyboard
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*/
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#define MATRIX_ROWS 9
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#define MATRIX_COLS 8
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const uint8_t Keymap[MATRIX_COLS][MATRIX_ROWS] = {
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{ KB_LALT, KB_1, KB_2, KB_3, KB_4, KB_7, KB_8, KB_9, KB_0 },
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{ KB_NO, KB_ESCAPE, KB_RALT, KB_NO, KB_5, KB_6, KB_EQUAL, KB_NO, KB_MINUS },
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{ KB_BSPACE, KB_TAB, KB_LGUI, KB_RSHIFT, KB_T, KB_Y, KB_RBRACKET, KB_NO, KB_LBRACKET },
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{ KB_NO, KB_Q, KB_W, KB_E, KB_R, KB_U, KB_I, KB_O, KB_P },
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{ KB_BSLASH, KB_A, KB_S, KB_D, KB_F, KB_J, KB_K, KB_L, KB_SCOLON },
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{ KB_NO, KB_LCTRL, KB_NO, KB_UP, KB_G, KB_H, KB_NO, KB_GRAVE, KB_QUOTE },
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{ KB_ENTER, KB_Z, KB_X, KB_C, KB_V, KB_M, KB_COMMA, KB_DOWN, KB_NO },
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{ KB_SPACE, KB_DOWN, KB_RIGHT, KB_LEFT, KB_B, KB_N, KB_LSHIFT, KB_NO, KB_SLASH }
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};
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uint8_t get_keycode(uint8_t row, uint8_t col)
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{
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if (row >= MATRIX_ROWS)
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return KB_NO;
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if (col >= MATRIX_COLS)
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return KB_NO;
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return Keymap[col][row];
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}
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@ -0,0 +1,9 @@
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#ifndef KEYMAP_H
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#define KEYMAP_H 1
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#include <stdint.h>
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#include "usbkeycodes.h"
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uint8_t get_keycode(uint8_t row, uint8_t col);
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#endif
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186
mykey.c
186
mykey.c
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@ -27,6 +27,7 @@
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#include <util/delay.h>
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#include "usb_keyboard_debug.h"
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#include "print.h"
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#include "keymap.h"
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#define LED_CONFIG (DDRD |= (1<<6))
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#define LED_ON (PORTD &= ~(1<<6))
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@ -38,21 +39,127 @@ uint8_t number_keys[10]=
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uint16_t idle_count=0;
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//
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// scan matrix
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//
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uint8_t MAX_ROW = 9;
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// initialize ports for matrix
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void port_setup(void)
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{
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// Column: input w/pullup
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DDRB = 0x00;
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PORTB = 0xFF;
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// Row: Hi-Z(unselected)
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// PD:0,1,2,3,6,7
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// PC:6,7
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// PF:7
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DDRD = 0x00;
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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}
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// select a row of matrix for read
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void select_row(uint8_t row)
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{
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switch (row) {
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case 0:
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DDRD = (1<<0);
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 1:
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DDRD = (1<<1);
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 2:
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DDRD = (1<<2);
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 3:
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DDRD = (1<<3);
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 4:
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DDRD = (1<<6);
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 5:
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DDRD = (1<<7);
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 6:
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DDRD = 0x00;
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PORTD = 0x00;
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DDRC = (1<<6);
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 7:
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DDRD = 0x00;
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PORTD = 0x00;
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DDRC = (1<<7);
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PORTC = 0x00;
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DDRF = 0x00;
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PORTF = 0x00;
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break;
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case 8:
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DDRD = 0x00;
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PORTD = 0x00;
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DDRC = 0x00;
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PORTC = 0x00;
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DDRF = (1<<7);
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PORTF = 0x00;
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break;
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}
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}
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uint8_t read_col(void)
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{
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return PINB;
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}
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int main(void)
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{
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uint8_t b, d, mask, i, reset_idle;
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uint8_t b_prev=0xFF, d_prev=0xFF;
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uint8_t i, reset_idle;
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uint8_t prev_state[MAX_ROW];
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for (int i=0; i < MAX_ROW; i++) prev_state[i] = 0xFF;
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// set for 16 MHz clock
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CPU_PRESCALE(0);
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// Configure all port B and port D pins as inputs with pullup resistors.
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// See the "Using I/O Pins" page for details.
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// http://www.pjrc.com/teensy/pins.html
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DDRD = 0x00;
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DDRB = 0x00;
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PORTB = 0xFF;
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PORTD = 0xFF;
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port_setup();
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// Initialize the USB, and then wait for the host to set configuration.
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// If the Teensy is powered without a PC connected to the USB port,
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@ -76,32 +183,40 @@ int main(void)
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print("All Port B or Port D pins are inputs with pullup resistors.\n");
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print("Any connection to ground on Port B or D pins will result in\n");
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print("keystrokes sent to the PC (and debug messages here).\n");
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uint8_t col;
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uint8_t code;
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while (1) {
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// read all port B and port D pins
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b = PINB;
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d = PIND;
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// check if any pins are low, but were high previously
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mask = 1;
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reset_idle = 0;
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for (i=0; i<8; i++) {
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if (((b & mask) == 0) && (b_prev & mask) != 0) {
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//usb_keyboard_press(KEY_B, KEY_SHIFT);
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//usb_keyboard_press(number_keys[i], 0);
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print("Port B, bit ");
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phex(i);
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print("\n");
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reset_idle = 1;
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}
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if (((d & mask) == 0) && (d_prev & mask) != 0) {
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//usb_keyboard_press(KEY_D, KEY_SHIFT);
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//usb_keyboard_press(number_keys[i], 0);
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print("Port D, bit ");
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phex(i);
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print("\n");
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reset_idle = 1;
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}
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mask = mask << 1;
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}
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reset_idle = 0;
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for (uint8_t r=0; r < MAX_ROW; r++) {
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select_row(r);
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// without this read unstable value.
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_delay_us(30);
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col = read_col();
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if (col != prev_state[r]) {
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prev_state[r] = col;
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phex(r);
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print(": ");
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pbin(col);
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print("\n");
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for (int c = 0; c < 8; c++) {
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if (col & 1<<c) continue;
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code = get_keycode(r, c);
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phex(code);
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print("\n");
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usb_keyboard_press(code, 0);
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}
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reset_idle = 1;
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}
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}
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// if any keypresses were detected, reset the idle counter
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if (reset_idle) {
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// variables shared with interrupt routines must be
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@ -111,11 +226,10 @@ int main(void)
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idle_count = 0;
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sei();
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}
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// now the current pins will be the previous, and
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// wait a short delay so we're not highly sensitive
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// to mechanical "bounce".
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b_prev = b;
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d_prev = d;
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_delay_ms(2);
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}
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}
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8
print.c
8
print.c
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@ -58,5 +58,9 @@ void phex16(unsigned int i)
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}
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void pbin(unsigned char c)
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{
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for (int i=7; i>=0; i--) {
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usb_debug_putchar((c & (1<<i)) ? '1' : '0');
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}
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}
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1
print.h
1
print.h
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@ -12,5 +12,6 @@
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void print_P(const char *s);
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void phex(unsigned char c);
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void phex16(unsigned int i);
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void pbin(unsigned char c);
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#endif
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@ -0,0 +1,273 @@
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/* Some modified from Keyboard Upgrade 0.3.0
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* 2010/08/22
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*/
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/*
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* Keyboard Upgrade -- Firmware for homebrew computer keyboard controllers.
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* Copyright (C) 2009 Robert Homann
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*
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* Based on RUMP (http://mg8.org/rump/), Copyright (C) 2008 Chris Lee
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*
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* Based on c64key (http://symlink.dk/projects/c64key/),
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* Copyright (C) 2006-2007 Mikkel Holm Olsen
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*
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* Based on HID-Test by Christian Starkjohann, Objective Development
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*
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* This file is part of the Keyboard Upgrade package.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Keyboard Upgrade package; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef USBKEYCODES_H
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#define USBKEYCODES_H
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/*
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* The USB keycodes are enumerated here - the first part is simply
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* an enumeration of the allowed scan-codes used for USB HID devices.
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*/
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/*
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* see 10 Keyboard/Keypad Page(0x07)
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* http://www.usb.org/developers/devclass_docs/Hut1_12.pdf
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*/
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enum keycodes {
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KB_NO = 0,
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KB_ROLL_OVER,
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KB_POST_FAIL,
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KB_UNDEFINED,
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KB_A,
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KB_B,
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KB_C,
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KB_D,
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KB_E,
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KB_F,
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KB_G,
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KB_H,
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KB_I,
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KB_J,
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KB_K,
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KB_L,
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KB_M, /* 0x10 */
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KB_N,
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KB_O,
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KB_P,
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KB_Q,
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KB_R,
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KB_S,
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KB_T,
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KB_U,
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KB_V,
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KB_W,
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KB_X,
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KB_Y,
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KB_Z,
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KB_1,
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KB_2,
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KB_3, /* 0x20 */
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KB_4,
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KB_5,
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KB_6,
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KB_7,
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KB_8,
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KB_9,
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KB_0,
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KB_ENTER,
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KB_ESCAPE,
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KB_BSPACE,
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KB_TAB,
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KB_SPACE,
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KB_MINUS,
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KB_EQUAL,
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KB_LBRACKET, /* [ */
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KB_RBRACKET, /* ] */
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KB_BSLASH, /* \ (and |) */
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KB_NONUS_HASH, /* Non-US # and ~ */
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KB_SCOLON, /* ; (and :) */
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KB_QUOTE, /* ' and " */
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KB_GRAVE, /* Grave accent and tilde */
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KB_COMMA, /* , and < */
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KB_DOT, /* . and > */
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KB_SLASH, /* / and ? */
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KB_CAPSLOCK,
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KB_F1,
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KB_F2,
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KB_F3,
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KB_F4,
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KB_F5,
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KB_F6,
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KB_F7, /* 0x40 */
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KB_F8,
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KB_F9,
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KB_F10,
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KB_F11,
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KB_F12,
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KB_PSCREEN,
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KB_SCKLOCK,
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KB_BREAK,
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KB_INSERT,
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KB_HOME,
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KB_PGUP,
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KB_DELETE,
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KB_END,
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KB_PGDOWN,
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KB_RIGHT,
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KB_LEFT, /* 0x50 */
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KB_DOWN,
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KB_UP,
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KB_NUMLOCK,
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KP_SLASH,
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KP_ASTERISK,
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KP_MINUS,
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KP_PLUS,
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KP_ENTER,
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KP_1,
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KP_2,
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KP_3,
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KP_4,
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KP_5,
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KP_6,
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KP_7,
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KP_8, /* 0x60 */
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KP_9,
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KP_0,
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KP_DOT,
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KB_NONUS_BSLASH, /* Non-US \ and | */
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KB_APPLICATION,
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KB_POWER,
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KP_EQUAL,
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KB_F13,
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KB_F14,
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KB_F15,
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KB_F16,
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KB_F17,
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KB_F18,
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KB_F19,
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KB_F20,
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KB_F21, /* 0x70 */
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KB_F22,
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KB_F23,
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KB_F24,
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KB_EXECUTE,
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KB_HELP,
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KB_MENU,
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KB_SELECT,
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KB_STOP,
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KB_AGAIN,
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KB_UNDO,
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KB_CUT,
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KB_COPY,
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KB_PASTE,
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KB_FIND,
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KB_MUTE,
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KB_VOLUP, /* 0x80 */
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KB_VOLDOWN,
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KB_LOCKING_CAPS, /* locking Caps Lock */
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KB_LOCKING_NUM, /* locking Num Lock */
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KB_LOCKING_SCROLL, /* locking Scroll Lock */
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KP_COMMA,
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KP_EQUAL_AS400, /* equal sign on AS/400 */
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KB_INT1,
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KB_INT2,
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KB_INT3,
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KB_INT4,
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KB_INT5,
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KB_INT6,
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KB_INT7,
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KB_INT8,
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KB_INT9,
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KB_LANG1, /* 0x90 */
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KB_LANG2,
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KB_LANG3,
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KB_LANG4,
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KB_LANG5,
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KB_LANG6,
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KB_LANG7,
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KB_LANG8,
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KB_LANG9,
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KB_ALT_ERASE,
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KB_SYSREQ,
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KB_CANCEL,
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KB_CLEAR,
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KB_PRIOR,
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KB_RETURN,
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KB_SEPARATOR,
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KB_OUT,
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KB_OPER,
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KB_CLEAR_AGAIN,
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KB_CRSEL,
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KB_EXSEL,
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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 */
|
||||
Loading…
Reference in New Issue