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/* 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 "keyboard.h"
#include "usb.h"
#include "matrix.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "bootloader.h"
#ifdef PS2_MOUSE_ENABLE
# include "ps2_mouse.h"
#endif
#include "host.h"
#include "pjrc.h"
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
int main(void)
{
DEBUG_LED_CONFIG;
DEBUG_LED_OFF;
// 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 */ ;
keyboard_init();
matrix_scan();
if (matrix_key_count() >= 3) {
#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(5000);
#endif
print_enable = true;
debug_enable = true;
debug_matrix = true;
debug_keyboard = true;
debug_mouse = true;
print("debug enabled.\n");
}
if (matrix_key_count() >= 4) {
print("jump to bootloader...\n");
_delay_ms(1000);
bootloader_jump(); // not return
}
host_set_driver(pjrc_driver());
while (1) {
keyboard_task();
}
}
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