2011-03-04 00:38:32 +00:00
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/* 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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2011-03-07 18:42:32 +00:00
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#define PRE_DRIVE_SLEEP
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#define POST_DRIVE_SLEEP
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#define DRIVE_reg_1 PORTB
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#define DRIVE_reg_2 PORTB
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#define DRIVE_reg_3 PORTB
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#define DRIVE_reg_4 PORTC
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#define DRIVE_reg_5 PORTE
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#define DRIVE_reg_6 PORTE
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#define DRIVE_reg_7 PORTF
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#define DRIVE_reg_8 PORTF
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#define DRIVE_reg_9 PORTF
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#define DRIVE_reg_10 <blank>
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#define DRIVE_reg_11 <blank>
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#define DRIVE_reg_12 <blank>
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#define DRIVE_pin_1 0
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#define DRIVE_pin_2 1
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#define DRIVE_pin_3 2
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#define DRIVE_pin_4 7
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#define DRIVE_pin_5 6
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#define DRIVE_pin_6 7
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#define DRIVE_pin_7 0
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#define DRIVE_pin_8 4
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#define DRIVE_pin_9 5
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#define DRIVE_pin_10 <blank>
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#define DRIVE_pin_11 <blank>
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#define DRIVE_pin_12 <blank>
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#define DETECT_group_1 0
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#define DETECT_group_2 0
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#define DETECT_group_3 0
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#define DETECT_group_4 0
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#define DETECT_group_5 0
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#define DETECT_group_6 0
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#define DETECT_group_7 0
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#define DETECT_group_8 0
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#define DETECT_group_9 0
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#define DETECT_group_10 <blank>
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#define DETECT_group_11 <blank>
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#define DETECT_group_12 <blank>
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// Change number of ORDs if number of lines differ
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#define DD_LOOP \
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for ( int c = 0;; c++ ) { \
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switch ( c ) { \
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DD_CASE_ORD(1) \
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DD_CASE_ORD(2) \
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DD_CASE_ORD(3) \
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DD_CASE_ORD(4) \
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DD_CASE_ORD(5) \
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DD_CASE_ORD(6) \
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DD_CASE_ORD(7) \
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DD_CASE_ORD(8) \
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DD_CASE_END(9,c) \
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} \
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}
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#define DRIVE_DETECT(reg,pin,group) \
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reg |= (1 << pin);\
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detection(group);\
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reg &= (0 << pin);
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#define DD_CASE(number) \
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case number:\
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DRIVE_DETECT(DRIVE_reg##_##number, DRIVE_pin##_##number, DETECT_group##_##number)
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#define DD_CASE_ORD(number) \
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DD_CASE(number) \
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break;
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#define DD_CASE_END(number,var) \
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DD_CASE(number) \
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default: \
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var = -1; \
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break;
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int main(void)
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2011-03-04 00:38:32 +00:00
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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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2011-03-07 18:42:32 +00:00
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2011-03-04 00:38:32 +00:00
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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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2011-03-07 18:42:32 +00:00
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DD_LOOP
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2011-03-04 00:38:32 +00:00
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// usb_keyboard_press(KEY_B, KEY_SHIFT);
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2011-03-07 18:42:32 +00:00
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return 0;
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2011-03-04 00:38:32 +00:00
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}
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