Revision 139
Added LGPL to all source code except the hardware schematics.
main.c | ||
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#include <util/delay.h> |
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#include "serial.h" |
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#include <avr/interrupt.h> |
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#include <avr/io.h> |
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#include "tooltron.h" |
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#include "timer.h" |
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/***** Keypad definitions ******/ |
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/** @brief ROW1 of the keypad */ |
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#define ROW4 (_BV(PB0)) |
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/** @brief ROW2 of the keypad */ |
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#define ROW3 (_BV(PB1)) |
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/** @brief ROW3 of the keypad */ |
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#define ROW2 (_BV(PB2)) |
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/** @brief ROW4 of the keypad */ |
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#define ROW1 (_BV(PB3)) |
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/** @brief COL1 of the keypad */ |
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#define COL4 (_BV(PB4)) |
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/** @brief COL2 of the keypad */ |
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#define COL3 (_BV(PB5)) |
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/** @brief COL3 of the keypad */ |
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#define COL2 (_BV(PB6)) |
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/** @brief COL4 of the keypad */ |
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#define COL1 (_BV(PB7)) |
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/***** LED definitions *****/ |
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#define LED_RED (_BV(PC5)) |
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#define LED_YELLOW (_BV(PC4)) |
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#define LED_GREEN (_BV(PC3)) |
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/***** Global variables *****/ |
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void init_pins(void) { |
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DDRB = 0; |
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PORTB = (COL1|COL2|COL3|COL4); |
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|
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DDRC |= LED_RED | LED_YELLOW | LED_GREEN; |
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PORTC |= LED_RED | LED_GREEN | LED_YELLOW; |
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return; |
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} |
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char get_button(void) { |
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char ret = ' '; |
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// Row 1 Strobe |
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DDRB = (ROW1); |
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PORTB = (COL1|COL2|COL3|COL4); |
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if(!(PINB&(COL1))) |
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ret ='1'; |
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else if(!(PINB&(COL2))) |
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ret ='2'; |
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else if(!(PINB&(COL3))) |
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ret ='3'; |
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else if(!(PINB&(COL4))) |
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ret ='A'; |
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else { |
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DDRB = (ROW2); |
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PORTB = (COL1|COL2|COL3|COL4); |
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// Row 2 Strobe |
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if(!(PINB&(COL1))) |
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ret ='4'; |
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else if(!(PINB&(COL2))) |
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ret ='5'; |
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else if(!(PINB&(COL3))) |
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ret ='6'; |
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else if(!(PINB&(COL4))) |
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ret ='B'; |
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else { |
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// Row 3 Strobe |
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DDRB = (ROW3); |
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PORTB = (COL1|COL2|COL3|COL4); |
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if(!(PINB&(COL1))) |
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ret ='7'; |
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else if(!(PINB&(COL2))) |
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ret ='8'; |
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else if(!(PINB&(COL3))) |
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ret ='9'; |
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else if(!(PINB&(COL4))) |
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ret ='C'; |
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else{ |
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// Row 4 Strobe |
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DDRB = (ROW4); |
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PORTB = (COL1|COL2|COL3|COL4); |
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if(!(PINB&(COL1))) |
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ret ='*'; |
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else if(!(PINB&(COL2))) |
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ret ='0'; |
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else if(!(PINB&(COL3))) |
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ret ='#'; |
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else if(!(PINB&(COL4))) |
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ret ='D'; |
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} |
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} |
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} |
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DDRB = 0; |
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PORTB = (COL1|COL2|COL3|COL4); |
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return ret; |
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} |
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int main(void) |
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{ |
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char c; |
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serial_init(BAUD9600); |
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init_pins(); |
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init_timer(); |
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sei(); |
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while(1) |
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{ |
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PORTC |= LED_RED | LED_GREEN | LED_YELLOW; |
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//wait for key request from server |
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while(serial_getchar()!=TT_GET_KEY); |
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PORTC &=~LED_YELLOW; |
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reset_timer(); |
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reset_timeout_flag(); |
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start_timer(); |
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c = ' '; |
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while(c ==' ') { |
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if (seconds > TIMEOUT_SECONDS) { |
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set_timeout_flag(); |
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serial_putchar(TT_TIMEOUT); |
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break; |
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} |
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c = get_button(); |
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_delay_ms(100); |
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} |
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if (timeout_flag == 0) { |
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//respond with key pressed |
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serial_putchar(c); |
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//wait for response |
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c=0; |
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reset_timeout_flag(); |
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reset_timer(); |
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while(!c && seconds < TIMEOUT_SECONDS) |
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c = serial_getchar_nb(); |
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PORTC |= LED_YELLOW; |
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switch(c) |
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{ |
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case TT_ACK: |
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PORTC &= ~LED_GREEN; |
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break; |
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case TT_NACK: |
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PORTC &= ~LED_RED; |
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break; |
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default: |
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PORTC &= (~LED_RED & ~LED_GREEN); |
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break; |
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} |
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stop_timer(); |
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_delay_ms(1000); |
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} |
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} |
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return 0; |
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} |
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/******** |
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* This file is part of Tooltron. |
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* |
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* Tooltron is free software: you can redistribute it and/or modify |
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* it under the terms of the Lesser GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Tooltron is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* Lesser GNU General Public License for more details. |
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* You should have received a copy of the Lesser GNU General Public License |
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* along with Tooltron. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* Copyright 2009 Kevin Woo <kwoo@2ndt.com> |
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* |
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********/ |
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#include <util/delay.h> |
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#include "serial.h" |
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#include <avr/interrupt.h> |
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#include <avr/io.h> |
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|
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#include "tooltron.h" |
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#include "timer.h" |
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/***** Keypad definitions ******/ |
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/** @brief ROW1 of the keypad */ |
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#define ROW4 (_BV(PB0)) |
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/** @brief ROW2 of the keypad */ |
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#define ROW3 (_BV(PB1)) |
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/** @brief ROW3 of the keypad */ |
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#define ROW2 (_BV(PB2)) |
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/** @brief ROW4 of the keypad */ |
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#define ROW1 (_BV(PB3)) |
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/** @brief COL1 of the keypad */ |
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#define COL4 (_BV(PB4)) |
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/** @brief COL2 of the keypad */ |
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#define COL3 (_BV(PB5)) |
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/** @brief COL3 of the keypad */ |
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#define COL2 (_BV(PB6)) |
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/** @brief COL4 of the keypad */ |
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#define COL1 (_BV(PB7)) |
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/***** LED definitions *****/ |
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#define LED_RED (_BV(PC5)) |
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#define LED_YELLOW (_BV(PC4)) |
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#define LED_GREEN (_BV(PC3)) |
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/***** Global variables *****/ |
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void init_pins(void) { |
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DDRB = 0; |
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PORTB = (COL1|COL2|COL3|COL4); |
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DDRC |= LED_RED | LED_YELLOW | LED_GREEN; |
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PORTC |= LED_RED | LED_GREEN | LED_YELLOW; |
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return; |
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} |
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char get_button(void) { |
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char ret = ' '; |
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// Row 1 Strobe |
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DDRB = (ROW1); |
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PORTB = (COL1|COL2|COL3|COL4); |
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if(!(PINB&(COL1))) |
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ret ='1'; |
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else if(!(PINB&(COL2))) |
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ret ='2'; |
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else if(!(PINB&(COL3))) |
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ret ='3'; |
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else if(!(PINB&(COL4))) |
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ret ='A'; |
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else { |
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DDRB = (ROW2); |
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PORTB = (COL1|COL2|COL3|COL4); |
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// Row 2 Strobe |
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if(!(PINB&(COL1))) |
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ret ='4'; |
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else if(!(PINB&(COL2))) |
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ret ='5'; |
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else if(!(PINB&(COL3))) |
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ret ='6'; |
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else if(!(PINB&(COL4))) |
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ret ='B'; |
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else { |
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// Row 3 Strobe |
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DDRB = (ROW3); |
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PORTB = (COL1|COL2|COL3|COL4); |
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if(!(PINB&(COL1))) |
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ret ='7'; |
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else if(!(PINB&(COL2))) |
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ret ='8'; |
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else if(!(PINB&(COL3))) |
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ret ='9'; |
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else if(!(PINB&(COL4))) |
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ret ='C'; |
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else{ |
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|
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// Row 4 Strobe |
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DDRB = (ROW4); |
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PORTB = (COL1|COL2|COL3|COL4); |
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if(!(PINB&(COL1))) |
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ret ='*'; |
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else if(!(PINB&(COL2))) |
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ret ='0'; |
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else if(!(PINB&(COL3))) |
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ret ='#'; |
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else if(!(PINB&(COL4))) |
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ret ='D'; |
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} |
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} |
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} |
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DDRB = 0; |
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PORTB = (COL1|COL2|COL3|COL4); |
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return ret; |
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} |
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|
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int main(void) |
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{ |
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char c; |
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serial_init(BAUD9600); |
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init_pins(); |
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init_timer(); |
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sei(); |
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|
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while(1) |
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{ |
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PORTC |= LED_RED | LED_GREEN | LED_YELLOW; |
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|
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//wait for key request from server |
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while(serial_getchar()!=TT_GET_KEY); |
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PORTC &=~LED_YELLOW; |
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reset_timer(); |
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reset_timeout_flag(); |
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start_timer(); |
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c = ' '; |
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while(c ==' ') { |
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if (seconds > TIMEOUT_SECONDS) { |
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set_timeout_flag(); |
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serial_putchar(TT_TIMEOUT); |
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break; |
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} |
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c = get_button(); |
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_delay_ms(100); |
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} |
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|
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|
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if (timeout_flag == 0) { |
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//respond with key pressed |
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serial_putchar(c); |
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|
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//wait for response |
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c=0; |
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reset_timeout_flag(); |
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reset_timer(); |
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while(!c && seconds < TIMEOUT_SECONDS) |
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c = serial_getchar_nb(); |
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|
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PORTC |= LED_YELLOW; |
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|
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switch(c) |
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{ |
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case TT_ACK: |
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PORTC &= ~LED_GREEN; |
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break; |
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|
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case TT_NACK: |
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PORTC &= ~LED_RED; |
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break; |
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default: |
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PORTC &= (~LED_RED & ~LED_GREEN); |
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break; |
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} |
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stop_timer(); |
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_delay_ms(1000); |
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} |
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} |
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return 0; |
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} |
Also available in: Unified diff