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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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