2010-08-23 06:46:24 +00:00
|
|
|
/* 2010/08/23 noname
|
|
|
|
* keyboard firmware based on PJRC USB keyboard example
|
|
|
|
*/
|
2010-08-10 04:34:06 +00:00
|
|
|
/* Keyboard example with debug channel, for Teensy USB Development Board
|
|
|
|
* http://www.pjrc.com/teensy/usb_keyboard.html
|
|
|
|
* Copyright (c) 2008 PJRC.COM, LLC
|
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
|
|
* in the Software without restriction, including without limitation the rights
|
|
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice shall be included in
|
|
|
|
* all copies or substantial portions of the Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
|
* THE SOFTWARE.
|
|
|
|
*/
|
|
|
|
|
2010-09-12 15:00:58 +00:00
|
|
|
#include <stdbool.h>
|
2010-08-10 04:34:06 +00:00
|
|
|
#include <avr/io.h>
|
|
|
|
#include <avr/pgmspace.h>
|
|
|
|
#include <avr/interrupt.h>
|
|
|
|
#include <util/delay.h>
|
2010-09-12 15:00:58 +00:00
|
|
|
|
2010-09-23 11:23:50 +00:00
|
|
|
#include "usb_device.h"
|
2010-08-10 04:34:06 +00:00
|
|
|
#include "print.h"
|
2010-08-23 06:46:24 +00:00
|
|
|
#include "matrix.h"
|
2010-08-22 14:58:37 +00:00
|
|
|
#include "keymap.h"
|
2010-09-24 06:01:21 +00:00
|
|
|
#include "jump_bootloader.h"
|
2010-08-10 04:34:06 +00:00
|
|
|
|
2010-08-23 06:46:24 +00:00
|
|
|
#define LED_CONFIG (DDRD |= (1<<6))
|
|
|
|
#define LED_ON (PORTD &= ~(1<<6))
|
|
|
|
#define LED_OFF (PORTD |= (1<<6))
|
|
|
|
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
|
2010-08-10 04:34:06 +00:00
|
|
|
|
2010-09-26 13:42:37 +00:00
|
|
|
static void print_matrix(void);
|
|
|
|
|
2010-08-10 04:34:06 +00:00
|
|
|
|
|
|
|
uint16_t idle_count=0;
|
|
|
|
|
2010-08-22 14:58:37 +00:00
|
|
|
|
|
|
|
|
2010-08-23 06:46:24 +00:00
|
|
|
int main(void)
|
2010-08-22 14:58:37 +00:00
|
|
|
{
|
2010-09-12 15:00:58 +00:00
|
|
|
bool modified = false;
|
|
|
|
bool has_ghost = false;
|
2010-08-23 06:46:24 +00:00
|
|
|
uint8_t key_index = 0;
|
2010-08-22 14:58:37 +00:00
|
|
|
|
2010-08-23 06:46:24 +00:00
|
|
|
// set for 16 MHz clock
|
|
|
|
CPU_PRESCALE(0);
|
2010-08-22 14:58:37 +00:00
|
|
|
|
2010-08-23 06:46:24 +00:00
|
|
|
matrix_init();
|
2010-08-22 14:58:37 +00:00
|
|
|
|
|
|
|
|
2010-08-23 06:46:24 +00:00
|
|
|
// 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,
|
|
|
|
// this will wait forever.
|
|
|
|
usb_init();
|
|
|
|
while (!usb_configured()) /* wait */ ;
|
|
|
|
|
|
|
|
// Wait an extra second for the PC's operating system to load drivers
|
|
|
|
// and do whatever it does to actually be ready for input
|
|
|
|
_delay_ms(1000);
|
|
|
|
|
|
|
|
// Configure timer 0 to generate a timer overflow interrupt every
|
|
|
|
// 256*1024 clock cycles, or approx 61 Hz when using 16 MHz clock
|
|
|
|
// This demonstrates how to use interrupts to implement a simple
|
|
|
|
// inactivity timeout.
|
|
|
|
TCCR0A = 0x00;
|
|
|
|
TCCR0B = 0x05;
|
|
|
|
TIMSK0 = (1<<TOIE0);
|
|
|
|
|
2010-09-24 15:48:27 +00:00
|
|
|
print("firmware 0.2 for t.m.k.\n");
|
2010-08-23 06:46:24 +00:00
|
|
|
|
2010-09-26 13:42:37 +00:00
|
|
|
int loop_count = 0;
|
2010-08-23 06:46:24 +00:00
|
|
|
while (1) {
|
2010-09-16 12:05:15 +00:00
|
|
|
int layer = 0;
|
2010-08-23 06:46:24 +00:00
|
|
|
|
|
|
|
matrix_scan();
|
2010-09-16 12:05:15 +00:00
|
|
|
layer = get_layer();
|
2010-08-23 06:46:24 +00:00
|
|
|
|
2010-09-12 15:00:58 +00:00
|
|
|
modified = matrix_is_modified();
|
|
|
|
has_ghost = matrix_has_ghost();
|
2010-08-23 06:46:24 +00:00
|
|
|
|
2010-09-12 15:00:58 +00:00
|
|
|
// doesnt send keys during ghost occurs
|
|
|
|
if (modified && !has_ghost) {
|
|
|
|
key_index = 0;
|
|
|
|
keyboard_modifier_keys = 0;
|
|
|
|
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
|
2010-08-23 06:46:24 +00:00
|
|
|
|
2010-09-26 13:42:37 +00:00
|
|
|
for (int row = 0; row < MATRIX_ROWS; row++) {
|
|
|
|
for (int col = 0; col < MATRIX_COLS; col++) {
|
2010-09-12 15:00:58 +00:00
|
|
|
if (matrix[row] & 1<<col) continue;
|
|
|
|
|
2010-09-26 13:42:37 +00:00
|
|
|
uint8_t code = get_keycode(layer, row, col);
|
2010-09-16 12:05:15 +00:00
|
|
|
if (code == KB_NO) {
|
|
|
|
continue;
|
|
|
|
} else if (KB_LCTRL <= code && code <= KB_RGUI) {
|
2010-09-12 15:00:58 +00:00
|
|
|
// modifier keycode: 0xE0-0xE7
|
|
|
|
keyboard_modifier_keys |= 1<<(code & 0x07);
|
|
|
|
} else {
|
|
|
|
if (key_index < 6)
|
|
|
|
keyboard_keys[key_index] = code;
|
|
|
|
key_index++;
|
2010-08-23 06:46:24 +00:00
|
|
|
}
|
2010-08-22 14:58:37 +00:00
|
|
|
}
|
2010-09-12 15:00:58 +00:00
|
|
|
}
|
2010-08-23 06:46:24 +00:00
|
|
|
|
2010-09-24 06:01:21 +00:00
|
|
|
// run bootloader when 4 left modifier keys down
|
|
|
|
if (keyboard_modifier_keys == (MOD_LCTRL | MOD_LSHIFT | MOD_LALT | MOD_LGUI)) {
|
2010-09-26 13:42:37 +00:00
|
|
|
// cancel all keys
|
|
|
|
keyboard_modifier_keys = 0;
|
|
|
|
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
|
|
|
|
usb_keyboard_send();
|
|
|
|
|
2010-09-24 06:01:21 +00:00
|
|
|
print("jump to bootloader...\n");
|
|
|
|
_delay_ms(1000);
|
|
|
|
jump_bootloader();
|
|
|
|
}
|
|
|
|
|
2010-09-12 15:00:58 +00:00
|
|
|
if (key_index > 6) {
|
|
|
|
//Rollover
|
2010-08-22 14:58:37 +00:00
|
|
|
}
|
2010-08-23 06:46:24 +00:00
|
|
|
|
2010-09-12 15:00:58 +00:00
|
|
|
usb_keyboard_send();
|
2010-08-22 14:58:37 +00:00
|
|
|
|
|
|
|
|
2010-09-12 15:00:58 +00:00
|
|
|
// variables shared with interrupt routines must be
|
|
|
|
// accessed carefully so the interrupt routine doesn't
|
|
|
|
// try to use the variable in the middle of our access
|
|
|
|
cli();
|
2010-09-26 13:42:37 +00:00
|
|
|
//idle_count = 0;
|
2010-09-12 15:00:58 +00:00
|
|
|
sei();
|
|
|
|
}
|
|
|
|
|
|
|
|
// print matrix state for debug
|
2010-08-23 06:46:24 +00:00
|
|
|
if (modified) {
|
2010-09-26 13:42:37 +00:00
|
|
|
print_matrix();
|
|
|
|
|
|
|
|
// LED flush
|
|
|
|
DDRD |= 1<<PD6;
|
|
|
|
PORTD |= 1<<PD6;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
// print counts for debug
|
|
|
|
if ((loop_count % 0x1000) == 0) {
|
|
|
|
//print(".");
|
|
|
|
print("idle_count: "); phex((idle_count & 0xFF00) >> 8); phex(idle_count & 0xFF); print("\n");
|
|
|
|
print("loop_count: "); phex((loop_count & 0xFF00) >> 8); phex(loop_count & 0xFF); print("\n");
|
|
|
|
print_matrix();
|
|
|
|
}
|
|
|
|
|
|
|
|
// teensy LED flush for debug
|
|
|
|
if ((loop_count & 0x100) == 0) {
|
|
|
|
DDRD |= 1<<PD6;
|
|
|
|
PORTD |= 1<<PD6;
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
// now the current pins will be the previous, and
|
|
|
|
// wait a short delay so we're not highly sensitive
|
|
|
|
// to mechanical "bounce".
|
|
|
|
_delay_ms(2);
|
|
|
|
loop_count++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void print_matrix(void) {
|
2010-09-24 06:01:21 +00:00
|
|
|
print("\nr/c 01234567\n");
|
2010-09-26 13:42:37 +00:00
|
|
|
for (int row = 0; row < MATRIX_ROWS; row++) {
|
2010-09-12 15:00:58 +00:00
|
|
|
phex(row); print(": ");
|
|
|
|
pbin_reverse(matrix[row]);
|
|
|
|
if (matrix_has_ghost_in_row(row)) {
|
|
|
|
print(" <ghost");
|
|
|
|
}
|
|
|
|
print("\n");
|
2010-08-23 06:46:24 +00:00
|
|
|
}
|
|
|
|
print("keys: ");
|
|
|
|
for (int i = 0; i < 6; i++) { phex(keyboard_keys[i]); print(" "); }
|
|
|
|
print("\n");
|
|
|
|
print("mod: "); phex(keyboard_modifier_keys); print("\n");
|
2010-08-10 04:34:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// This interrupt routine is run approx 61 times per second.
|
|
|
|
// A very simple inactivity timeout is implemented, where we
|
|
|
|
// will send a space character and print a message to the
|
|
|
|
// hid_listen debug message window.
|
|
|
|
ISR(TIMER0_OVF_vect)
|
|
|
|
{
|
2010-08-23 06:46:24 +00:00
|
|
|
idle_count++;
|
2010-08-10 04:34:06 +00:00
|
|
|
}
|