109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/* 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 or more keys during boot time.
|
|
if (matrix_key_count() >= 4) {
|
|
print_enable = true;
|
|
debug_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(STR(DESCRIPTION) "\n");
|
|
|
|
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++;
|
|
}
|