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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/interrupt.h>
#include <util/delay.h>
#include "usb.h"
#include "matrix_skel.h"
#include "key_process.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "controller.h"
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
bool debug_enable = false;
bool debug_matrix = false;
bool debug_keyboard = false;
bool debug_mouse = false;
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 */ ;
// 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();
matrix_scan();
// debug on by pressing down any 4 keys during boot time.
if (matrix_key_count() == 4) print_enable = true;
/* wait for debug pipe ready */
if (print_enable) {
#ifdef DEBUG_LED
for (int i = 0; i < 6; i++) {
DEBUG_LED_CONFIG;
DEBUG_LED_ON;
_delay_ms(500);
DEBUG_LED_OFF;
_delay_ms(500);
}
#else
_delay_ms(6000);
#endif
}
// print description
print(XSTR(DESCRIPTION));
while (1) {
proc_matrix();
_delay_ms(2);
}
}
// 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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