qmk-dactyl-manuform-a/tmk.c

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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.
*/
// TODO: clean unused headers
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#include <stdbool.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <util/delay.h>
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#include "usb.h"
#include "usb_keyboard.h"
#include "usb_mouse.h"
#include "print.h"
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#include "matrix_skel.h"
#include "keymap.h"
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#include "jump_bootloader.h"
#include "key_process.h"
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#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
// TODO: should go to hardware dependent file
// for Teensy/Teensy++ 2.0
#define LED_CONFIG (DDRD |= (1<<6))
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#define LED_ON (PORTD |= (1<<6))
#define LED_OFF (PORTD &= ~(1<<6))
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uint16_t idle_count=0;
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int main(void)
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{
// set for 16 MHz clock
CPU_PRESCALE(0);
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// 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 */ ;
// 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);
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matrix_init();
matrix_scan();
// debug on when 4 keys are pressed
if (matrix_key_count() == 4) print_enable = true;
/* wait for debug pipe to print greetings. */
if (print_enable) {
for (int i =0; i < 6; i++) {
LED_CONFIG;
LED_ON;
_delay_ms(500);
LED_OFF;
_delay_ms(500);
}
}
print("\nt.m.k. keyboard 1.2\n");
while (1) {
proc_matrix();
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_delay_ms(2);
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}
}
// 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++;
}