106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/* 2010/08/23 noname
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* keyboard firmware based on PJRC USB keyboard example
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*/
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/* Keyboard example with debug channel, for Teensy USB Development Board
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* http://www.pjrc.com/teensy/usb_keyboard.html
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* Copyright (c) 2008 PJRC.COM, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// TODO: clean unused headers
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "usb.h"
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#include "usb_keyboard.h"
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#include "usb_mouse.h"
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#include "print.h"
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#include "matrix_skel.h"
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#include "keymap.h"
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#include "jump_bootloader.h"
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#include "key_process.h"
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#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
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// TODO: should go to hardware dependent file
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// for Teensy/Teensy++ 2.0
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#define LED_CONFIG (DDRD |= (1<<6))
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#define LED_ON (PORTD |= (1<<6))
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#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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{
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// set for 16 MHz clock
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CPU_PRESCALE(0);
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// Initialize the USB, and then wait for the host to set configuration.
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// If the Teensy is powered without a PC connected to the USB port,
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// this will wait forever.
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usb_init();
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while (!usb_configured()) /* wait */ ;
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// Configure timer 0 to generate a timer overflow interrupt every
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// 256*1024 clock cycles, or approx 61 Hz when using 16 MHz clock
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// This demonstrates how to use interrupts to implement a simple
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// inactivity timeout.
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TCCR0A = 0x00;
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TCCR0B = 0x05;
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TIMSK0 = (1<<TOIE0);
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matrix_init();
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matrix_scan();
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// debug on when 4 keys are pressed
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if (matrix_key_count() == 4) print_enable = true;
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/* wait for debug pipe to print greetings. */
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if (print_enable) {
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for (int i =0; i < 6; i++) {
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LED_CONFIG;
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LED_ON;
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_delay_ms(500);
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LED_OFF;
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_delay_ms(500);
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}
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}
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print("\nt.m.k. keyboard 1.2\n");
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while (1) {
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proc_matrix();
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_delay_ms(2);
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}
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}
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// This interrupt routine is run approx 61 times per second.
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// A very simple inactivity timeout is implemented, where we
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// will send a space character and print a message to the
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// hid_listen debug message window.
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ISR(TIMER0_OVF_vect)
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{
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idle_count++;
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}
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