change file name.

1 files changed, 0 insertions, 137 deletions

diff --git a/example.c b/example.c
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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 <avr/io.h>
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include "usb_keyboard_debug.h"
-#include "print.h"
-
-#define LED_CONFIG	(DDRD |= (1<<6))
-#define LED_ON		(PORTD &= ~(1<<6))
-#define LED_OFF		(PORTD |= (1<<6))
-#define CPU_PRESCALE(n)	(CLKPR = 0x80, CLKPR = (n))
-
-uint8_t number_keys[10]=
-	{KEY_0,KEY_1,KEY_2,KEY_3,KEY_4,KEY_5,KEY_6,KEY_7,KEY_8,KEY_9};
-
-uint16_t idle_count=0;
-
-int main(void)
-{
-	uint8_t b, d, mask, i, reset_idle;
-	uint8_t b_prev=0xFF, d_prev=0xFF;
-
-	// set for 16 MHz clock
-	CPU_PRESCALE(0);
-
-	// Configure all port B and port D pins as inputs with pullup resistors.
-	// See the "Using I/O Pins" page for details.
-	// http://www.pjrc.com/teensy/pins.html
-	DDRD = 0x00;
-	DDRB = 0x00;
-	PORTB = 0xFF;
-	PORTD = 0xFF;
-
-	// 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 */ ;
-
-	// Wait an extra second for the PC's operating system to load drivers
-	// and do whatever it does to actually be ready for input
-	_delay_ms(1000);
-
-	// 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);
-
-	print("Begin keyboard example program\n");
-	print("All Port B or Port D pins are inputs with pullup resistors.\n");
-	print("Any connection to ground on Port B or D pins will result in\n");
-	print("keystrokes sent to the PC (and debug messages here).\n");
-	while (1) {
-		// read all port B and port D pins
-		b = PINB;
-		d = PIND;
-		// check if any pins are low, but were high previously
-		mask = 1;
-		reset_idle = 0;
-		for (i=0; i<8; i++) {
-			if (((b & mask) == 0) && (b_prev & mask) != 0) {
-				usb_keyboard_press(KEY_B, KEY_SHIFT);
-				usb_keyboard_press(number_keys[i], 0);
-				print("Port B, bit ");
-				phex(i);
-				print("\n");
-				reset_idle = 1;
-			}
-			if (((d & mask) == 0) && (d_prev & mask) != 0) {
-				usb_keyboard_press(KEY_D, KEY_SHIFT);
-				usb_keyboard_press(number_keys[i], 0);
-				print("Port D, bit ");
-				phex(i);
-				print("\n");
-				reset_idle = 1;
-			}
-			mask = mask << 1;
-		}
-		// if any keypresses were detected, reset the idle counter
-		if (reset_idle) {
-			// variables shared with interrupt routines must be
-			// accessed carefully so the interrupt routine doesn't
-			// try to use the variable in the middle of our access
-			cli();
-			idle_count = 0;
-			sei();
-		}
-		// now the current pins will be the previous, and
-		// wait a short delay so we're not highly sensitive
-		// to mechanical "bounce".
-		b_prev = b;
-		d_prev = d;
-		_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++;
-	if (idle_count > 61 * 8) {
-		idle_count = 0;
-		print("Timer Event :)\n");
-		usb_keyboard_press(KEY_SPACE, 0);
-	}
-}
-
-