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/* 2010/08/23 noname
* keyboard firmware based on PJRC USB keyboard example
*/
/* 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.
*/
#include <stdbool.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "usb.h"
#include "usb_keyboard.h"
#include "usb_mouse.h"
#include "print.h"
#include "matrix.h"
#include "keymap.h"
#include "jump_bootloader.h"
// for teensy 2.0
#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))
#define MOUSE_MOVE_UNIT 10
#define MOUSE_DELAY_MS 200
#define MOUSE_DELAY_ACC 4
static void print_matrix(void);
uint16_t idle_count=0;
int main(void)
{
// set for 16 MHz clock
CPU_PRESCALE(0);
// 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
// needs such long time in my PC.
for (int i =0; i < 6; i++) {
LED_CONFIG;
LED_ON;
_delay_ms(500);
LED_OFF;
_delay_ms(500);
}
// 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);
matrix_init();
bool modified = false;
bool has_ghost = false;
int layer = 0;
int key_index = 0;
uint8_t mouse_x = 0;
uint8_t mouse_y = 0;
uint8_t mouse_btn = 0;
int8_t mouse_wheel = 0;
int8_t mouse_hwheel = 0;
int mouse_repeat = 0;
print("\nt.m.k. keyboard 1.0\n");
while (1) {
matrix_scan();
modified = matrix_is_modified();
has_ghost = matrix_has_ghost();
layer = get_layer();
// print matrix state for debug
if (modified) {
print_matrix();
LED_CONFIG;
LED_ON;
}
keyboard_modifier_keys = 0;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
key_index = 0;
mouse_x = 0;
mouse_y = 0;
mouse_btn = 0;
mouse_wheel = 0;
mouse_hwheel = 0;
// convert matrix state to HID report
for (int row = 0; row < MATRIX_ROWS; row++) {
for (int col = 0; col < MATRIX_COLS; col++) {
if (matrix[row] & 1<<col) continue;
uint8_t code = get_keycode(layer, row, col);
if (code == KB_NO) {
continue;
} else if (KB_LCTRL <= code && code <= KB_RGUI) {
// modifier keys(0xE0-0xE7)
keyboard_modifier_keys |= 1<<(code & 0x07);
} else if (code >= MS_UP) {
// mouse
if (code == MS_UP) mouse_y -= MOUSE_MOVE_UNIT;
if (code == MS_DOWN) mouse_y += MOUSE_MOVE_UNIT;
if (code == MS_LEFT) mouse_x -= MOUSE_MOVE_UNIT;
if (code == MS_RIGHT) mouse_x += MOUSE_MOVE_UNIT;
if (code == MS_BTN1) mouse_btn |= 1<<0;
if (code == MS_BTN2) mouse_btn |= 1<<1;
if (code == MS_BTN3) mouse_btn |= 1<<2;
if (code == MS_BTN4) mouse_btn |= 1<<3;
if (code == MS_BTN5) mouse_btn |= 1<<4;
if (code == MS_WH_UP) mouse_wheel -= 1;
if (code == MS_WH_DOWN) mouse_wheel += 1;
if (code == MS_WH_LEFT) mouse_hwheel -= 1;
if (code == MS_WH_RIGHT) mouse_hwheel += 1;
} else {
// normal keys
if (key_index < 6)
keyboard_keys[key_index] = code;
key_index++;
}
}
}
if (!has_ghost) {
// when 4 left modifier keys down
if (keyboard_modifier_keys == (MOD_LCTRL | MOD_LSHIFT | MOD_LALT | MOD_LGUI)) {
// cancel all keys
keyboard_modifier_keys = 0;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
usb_keyboard_send();
print("jump to bootloader...\n");
_delay_ms(100);
jump_bootloader(); // not return
}
if (mouse_x || mouse_y || mouse_wheel || mouse_hwheel || mouse_btn != mouse_buttons) {
mouse_buttons = mouse_btn;
usb_mouse_move(mouse_x, mouse_y, mouse_wheel, mouse_hwheel);
// acceleration
_delay_ms(MOUSE_DELAY_MS >> (mouse_repeat < MOUSE_DELAY_ACC ? mouse_repeat : MOUSE_DELAY_ACC));
mouse_repeat++;
} else {
mouse_repeat = 0;
}
// send keys to host
if (modified) {
if (key_index > 6) {
//Rollover
}
usb_keyboard_send();
}
}
_delay_ms(2);
}
}
static void print_matrix(void) {
print("\nr/c 01234567\n");
for (int row = 0; row < MATRIX_ROWS; row++) {
phex(row); print(": ");
pbin_reverse(matrix[row]);
if (matrix_has_ghost_in_row(row)) {
print(" <ghost");
}
print("\n");
}
print("keys: ");
for (int i = 0; i < 6; i++) { phex(keyboard_keys[i]); print(" "); }
print("\n");
print("mod: "); phex(keyboard_modifier_keys); print("\n");
}
// 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)
{
idle_count++;
}
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