From ac3134ffeb3a2fb998e628e97a06b413fba8ee48 Mon Sep 17 00:00:00 2001 From: tmk Date: Tue, 10 Aug 2010 13:34:06 +0900 Subject: add initial files from teensy's usb_keyboard_debug. --- example.c | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 example.c (limited to 'example.c') diff --git a/example.c b/example.c new file mode 100644 index 0000000000..2433794eb7 --- /dev/null +++ b/example.c @@ -0,0 +1,137 @@ +/* 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 +#include +#include +#include +#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< 61 * 8) { + idle_count = 0; + print("Timer Event :)\n"); + usb_keyboard_press(KEY_SPACE, 0); + } +} + + -- cgit v1.2.3