53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* Copyright (C) 2011 by Jacob Alexander
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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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#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_keyboard.h"
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#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
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int main()
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{
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// set for 16 MHz clock
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CPU_PRESCALE( 0 );
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// Configuring Pins
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// TODO
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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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// Wait an extra second for the PC's operating system to load drivers
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// and do whatever it does to actually be ready for input
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_delay_ms(1000);
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// Main Detection Loop
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// TODO
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// usb_keyboard_press(KEY_B, KEY_SHIFT);
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}
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