Revision 278
Renamed main.c to cardbox.c
trunk/cardbox/main.c | ||
---|---|---|
1 |
/******** |
|
2 |
* This file is part of Tooltron. |
|
3 |
* |
|
4 |
* Tooltron is free software: you can redistribute it and/or modify |
|
5 |
* it under the terms of the Lesser GNU General Public License as published by |
|
6 |
* the Free Software Foundation, either version 3 of the License, or |
|
7 |
* (at your option) any later version. |
|
8 |
* |
|
9 |
* Tooltron is distributed in the hope that it will be useful, |
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
12 |
* Lesser GNU General Public License for more details. |
|
13 |
* You should have received a copy of the Lesser GNU General Public License |
|
14 |
* along with Tooltron. If not, see <http://www.gnu.org/licenses/>. |
|
15 |
* |
|
16 |
* Copyright 2009 Kevin Woo <kwoo@2ndt.com> |
|
17 |
* |
|
18 |
********/ |
|
19 |
#include "main.h" |
|
20 |
|
|
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/***** Keypad definitions ******/ |
|
22 |
#define KEYPORT PORTB |
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#define KEYPIN PINB |
|
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#define KEYDDR DDRB |
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25 |
/** @brief ROW1 of the keypad */ |
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26 |
#define ROW4 (_BV(PB0)) |
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27 |
/** @brief ROW2 of the keypad */ |
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28 |
#define ROW3 (_BV(PB1)) |
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29 |
/** @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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32 |
#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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36 |
#define COL3 (_BV(PB5)) |
|
37 |
/** @brief COL3 of the keypad */ |
|
38 |
#define COL2 (_BV(PB6)) |
|
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/** @brief COL4 of the keypad */ |
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40 |
#define COL1 (_BV(PB7)) |
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41 |
|
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#define ADDR 2 |
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43 |
|
|
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/***** Global variables *****/ |
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45 |
|
|
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void init_pins(void) { |
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47 |
KEYDDR = ROW1 | ROW2 | ROW3 | ROW4; |
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48 |
//KEYDDR = 0; |
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49 |
KEYPORT = COL1 | COL2 | COL3 | COL4; |
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50 |
LEDDDR = LED_RED | LED_YELLOW | LED_GREEN; |
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51 |
|
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// Turn the LEDs off |
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LEDPORT |= LED_RED | LED_GREEN | LED_YELLOW; |
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54 |
|
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return; |
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56 |
} |
|
57 |
|
|
58 |
/** |
|
59 |
* @brief Sets the LED to the specified state |
|
60 |
* |
|
61 |
* This sets LED which to the specified state. You can use this to set |
|
62 |
* multiple LEDs if you OR the LEDs desired into the which argument. |
|
63 |
* |
|
64 |
* @param which The LEDs to set |
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* @parma state The state ON or OFF to set to the LEDs to |
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* @return void |
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*/ |
|
68 |
void toggle_led(uint8_t which, uint8_t state) { |
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if (state == ON) { |
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LEDPORT &= ~(which); |
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} else { |
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LEDPORT |= (which); |
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} |
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} |
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|
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char get_button(void) { |
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77 |
|
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char ret = ' '; |
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79 |
|
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// Row 1 Strobe |
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81 |
|
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82 |
|
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DDRB = (ROW1); |
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84 |
PORTB = (COL1|COL2|COL3|COL4); |
|
85 |
|
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86 |
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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95 |
|
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DDRB = (ROW2); |
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PORTB = (COL1|COL2|COL3|COL4); |
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// Row 2 Strobe |
|
99 |
|
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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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109 |
|
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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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113 |
|
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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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123 |
|
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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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127 |
|
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128 |
if(!(PINB&(COL1))) |
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ret ='*'; |
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130 |
else if(!(PINB&(COL2))) |
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131 |
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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137 |
} |
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138 |
} |
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139 |
|
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140 |
|
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DDRB = 0; |
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PORTB = (COL1|COL2|COL3|COL4); |
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143 |
|
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return ret; |
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} |
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|
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typedef enum { |
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req, |
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149 |
press, |
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150 |
send, |
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151 |
rsp |
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152 |
} state_t; |
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153 |
|
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154 |
|
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int main(void) { |
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156 |
uint8_t mbuf[PROGD_PACKET_SIZE]; |
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157 |
uint8_t cbuf[20]; |
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uint8_t clen; |
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159 |
int8_t cret; |
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uint8_t resp; |
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uint8_t c; |
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uint8_t len; |
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163 |
uint8_t retries = 0; |
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state_t state = req; |
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165 |
|
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166 |
rs485_init(BAUD9600); |
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init_pins(); |
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init_timer(); |
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card_reader_setup(); |
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sei(); |
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171 |
|
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toggle_led(LED_GREEN|LED_YELLOW|LED_RED, OFF); |
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read_card = 0; |
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rs485_send_byte('s'); |
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175 |
|
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while(1) { |
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while(1) { |
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read_card = 1; |
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if (cr_flag != CR_NONE) { |
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180 |
read_card = 0; |
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181 |
if ((cret = parse_card(cbuf, &clen)) < 0) { |
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182 |
switch (cret) { |
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case CR_ERR_BAD_PARITY: |
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toggle_led(LED_GREEN, ON); |
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185 |
break; |
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186 |
case CR_ERR_NO_START: |
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187 |
toggle_led(LED_YELLOW, ON); |
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break; |
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case CR_ERR_NO_STOP: |
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toggle_led(LED_RED, ON); |
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break; |
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} |
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rs485_send_byte('F'); |
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} else { |
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for (c = 0; c < clen; c++) { |
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rs485_send_byte(cbuf[c]); |
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} |
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} |
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cr_flag = CR_NONE; |
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} |
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} |
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|
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203 |
|
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204 |
|
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switch(state) { |
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case req: |
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toggle_led(LED_RED|LED_GREEN|LED_YELLOW, OFF); |
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208 |
|
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// Wait for a packet |
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resp = parse_packet(mbuf, &len, ADDR); |
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211 |
|
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if (resp == TT_GET_KEY) { |
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_delay_ms(50); |
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send_packet(TT_ACK, ADDR, NULL, 0); |
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toggle_led(LED_YELLOW, ON); |
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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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state = press; |
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} else if(resp == TT_PING){ |
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_delay_ms(50); |
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send_packet(TT_ACK, ADDR, NULL, 0); |
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} |
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break; |
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case press: |
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c = get_button(); |
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retries = 0; |
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|
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if (seconds > TIMEOUT_SECONDS) { |
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set_timeout_flag(); |
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state = send; |
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} else if (c != ' ') { |
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state = send; |
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} else { |
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_delay_ms(100); |
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} |
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|
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break; |
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case send: |
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if (get_timeout_flag() == 1) { |
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_delay_ms(50); |
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send_packet(TT_TIMEOUT, ADDR, NULL, 0); |
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state = req; |
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break; |
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} else { |
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_delay_ms(50); |
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send_packet(TT_SEND_KEY, ADDR, &c, 1); |
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} |
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250 |
|
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state = rsp; |
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break; |
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case rsp: |
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resp = parse_packet(mbuf, &len, ADDR); |
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255 |
|
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if (resp == TT_ACK) { |
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toggle_led(LED_GREEN, ON); |
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} else if ((resp == TT_NACK) || (retries == TT_MAX_RETRY)) { |
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toggle_led(LED_RED, ON); |
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} else { |
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retries++; |
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state = send; |
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break; |
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} |
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|
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_delay_ms(1000); |
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toggle_led(LED_RED, OFF); |
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toggle_led(LED_GREEN, ON); |
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state = req; |
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break; |
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default: |
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state = req; |
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break; |
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} |
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} |
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return 0; |
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} |
trunk/cardbox/cardreader.h | ||
---|---|---|
4 | 4 |
#include <avr/io.h> |
5 | 5 |
#include <avr/interrupt.h> |
6 | 6 |
#include <stdint.h> |
7 |
#include "main.h"
|
|
7 |
#include "cardbox.h"
|
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8 | 8 |
#include "rs485_int.h" |
9 | 9 |
|
10 | 10 |
#define CR_ERR_BAD_PARITY -1 |
trunk/cardbox/cardbox.c | ||
---|---|---|
1 |
/******** |
|
2 |
* This file is part of Tooltron. |
|
3 |
* |
|
4 |
* Tooltron is free software: you can redistribute it and/or modify |
|
5 |
* it under the terms of the Lesser GNU General Public License as published by |
|
6 |
* the Free Software Foundation, either version 3 of the License, or |
|
7 |
* (at your option) any later version. |
|
8 |
* |
|
9 |
* Tooltron is distributed in the hope that it will be useful, |
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
12 |
* Lesser GNU General Public License for more details. |
|
13 |
* You should have received a copy of the Lesser GNU General Public License |
|
14 |
* along with Tooltron. If not, see <http://www.gnu.org/licenses/>. |
|
15 |
* |
|
16 |
* Copyright 2009 Kevin Woo <kwoo@2ndt.com> |
|
17 |
* |
|
18 |
********/ |
|
19 |
#include "cardbox.h" |
|
20 |
|
|
21 |
/***** Keypad definitions ******/ |
|
22 |
#define KEYPORT PORTB |
|
23 |
#define KEYPIN PINB |
|
24 |
#define KEYDDR DDRB |
|
25 |
/** @brief ROW1 of the keypad */ |
|
26 |
#define ROW4 (_BV(PB0)) |
|
27 |
/** @brief ROW2 of the keypad */ |
|
28 |
#define ROW3 (_BV(PB1)) |
|
29 |
/** @brief ROW3 of the keypad */ |
|
30 |
#define ROW2 (_BV(PB2)) |
|
31 |
/** @brief ROW4 of the keypad */ |
|
32 |
#define ROW1 (_BV(PB3)) |
|
33 |
/** @brief COL1 of the keypad */ |
|
34 |
#define COL4 (_BV(PB4)) |
|
35 |
/** @brief COL2 of the keypad */ |
|
36 |
#define COL3 (_BV(PB5)) |
|
37 |
/** @brief COL3 of the keypad */ |
|
38 |
#define COL2 (_BV(PB6)) |
|
39 |
/** @brief COL4 of the keypad */ |
|
40 |
#define COL1 (_BV(PB7)) |
|
41 |
|
|
42 |
#define ADDR 2 |
|
43 |
|
|
44 |
/***** Global variables *****/ |
|
45 |
|
|
46 |
void init_pins(void) { |
|
47 |
KEYDDR = ROW1 | ROW2 | ROW3 | ROW4; |
|
48 |
//KEYDDR = 0; |
|
49 |
KEYPORT = COL1 | COL2 | COL3 | COL4; |
|
50 |
LEDDDR = LED_RED | LED_YELLOW | LED_GREEN; |
|
51 |
|
|
52 |
// Turn the LEDs off |
|
53 |
LEDPORT |= LED_RED | LED_GREEN | LED_YELLOW; |
|
54 |
|
|
55 |
return; |
|
56 |
} |
|
57 |
|
|
58 |
/** |
|
59 |
* @brief Sets the LED to the specified state |
|
60 |
* |
|
61 |
* This sets LED which to the specified state. You can use this to set |
|
62 |
* multiple LEDs if you OR the LEDs desired into the which argument. |
|
63 |
* |
|
64 |
* @param which The LEDs to set |
|
65 |
* @parma state The state ON or OFF to set to the LEDs to |
|
66 |
* @return void |
|
67 |
*/ |
|
68 |
void toggle_led(uint8_t which, uint8_t state) { |
|
69 |
if (state == ON) { |
|
70 |
LEDPORT &= ~(which); |
|
71 |
} else { |
|
72 |
LEDPORT |= (which); |
|
73 |
} |
|
74 |
} |
|
75 |
|
|
76 |
char get_button(void) { |
|
77 |
|
|
78 |
char ret = ' '; |
|
79 |
|
|
80 |
// Row 1 Strobe |
|
81 |
|
|
82 |
|
|
83 |
DDRB = (ROW1); |
|
84 |
PORTB = (COL1|COL2|COL3|COL4); |
|
85 |
|
|
86 |
if(!(PINB&(COL1))) |
|
87 |
ret ='1'; |
|
88 |
else if(!(PINB&(COL2))) |
|
89 |
ret ='2'; |
|
90 |
else if(!(PINB&(COL3))) |
|
91 |
ret ='3'; |
|
92 |
else if(!(PINB&(COL4))) |
|
93 |
ret ='A'; |
|
94 |
else { |
|
95 |
|
|
96 |
DDRB = (ROW2); |
|
97 |
PORTB = (COL1|COL2|COL3|COL4); |
|
98 |
// Row 2 Strobe |
|
99 |
|
|
100 |
if(!(PINB&(COL1))) |
|
101 |
ret ='4'; |
|
102 |
else if(!(PINB&(COL2))) |
|
103 |
ret ='5'; |
|
104 |
else if(!(PINB&(COL3))) |
|
105 |
ret ='6'; |
|
106 |
else if(!(PINB&(COL4))) |
|
107 |
ret ='B'; |
|
108 |
else { |
|
109 |
|
|
110 |
// Row 3 Strobe |
|
111 |
DDRB = (ROW3); |
|
112 |
PORTB = (COL1|COL2|COL3|COL4); |
|
113 |
|
|
114 |
if(!(PINB&(COL1))) |
|
115 |
ret ='7'; |
|
116 |
else if(!(PINB&(COL2))) |
|
117 |
ret ='8'; |
|
118 |
else if(!(PINB&(COL3))) |
|
119 |
ret ='9'; |
|
120 |
else if(!(PINB&(COL4))) |
|
121 |
ret ='C'; |
|
122 |
else{ |
|
123 |
|
|
124 |
// Row 4 Strobe |
|
125 |
DDRB = (ROW4); |
|
126 |
PORTB = (COL1|COL2|COL3|COL4); |
|
127 |
|
|
128 |
if(!(PINB&(COL1))) |
|
129 |
ret ='*'; |
|
130 |
else if(!(PINB&(COL2))) |
|
131 |
ret ='0'; |
|
132 |
else if(!(PINB&(COL3))) |
|
133 |
ret ='#'; |
|
134 |
else if(!(PINB&(COL4))) |
|
135 |
ret ='D'; |
|
136 |
} |
|
137 |
} |
|
138 |
} |
|
139 |
|
|
140 |
|
|
141 |
DDRB = 0; |
|
142 |
PORTB = (COL1|COL2|COL3|COL4); |
|
143 |
|
|
144 |
return ret; |
|
145 |
} |
|
146 |
|
|
147 |
typedef enum { |
|
148 |
req, |
|
149 |
press, |
|
150 |
send, |
|
151 |
rsp |
|
152 |
} state_t; |
|
153 |
|
|
154 |
|
|
155 |
int main(void) { |
|
156 |
uint8_t mbuf[PROGD_PACKET_SIZE]; |
|
157 |
uint8_t cbuf[20]; |
|
158 |
uint8_t clen; |
|
159 |
int8_t cret; |
|
160 |
uint8_t resp; |
|
161 |
uint8_t c; |
|
162 |
uint8_t len; |
|
163 |
uint8_t retries = 0; |
|
164 |
state_t state = req; |
|
165 |
|
|
166 |
rs485_init(BAUD9600); |
|
167 |
init_pins(); |
|
168 |
init_timer(); |
|
169 |
card_reader_setup(); |
|
170 |
sei(); |
|
171 |
|
|
172 |
toggle_led(LED_GREEN|LED_YELLOW|LED_RED, OFF); |
|
173 |
read_card = 0; |
|
174 |
rs485_send_byte('s'); |
|
175 |
|
|
176 |
while(1) { |
|
177 |
while(1) { |
|
178 |
read_card = 1; |
|
179 |
if (cr_flag != CR_NONE) { |
|
180 |
read_card = 0; |
|
181 |
if ((cret = parse_card(cbuf, &clen)) < 0) { |
|
182 |
switch (cret) { |
|
183 |
case CR_ERR_BAD_PARITY: |
|
184 |
toggle_led(LED_GREEN, ON); |
|
185 |
break; |
|
186 |
case CR_ERR_NO_START: |
|
187 |
toggle_led(LED_YELLOW, ON); |
|
188 |
break; |
|
189 |
case CR_ERR_NO_STOP: |
|
190 |
toggle_led(LED_RED, ON); |
|
191 |
break; |
|
192 |
} |
|
193 |
rs485_send_byte('F'); |
|
194 |
} else { |
|
195 |
for (c = 0; c < clen; c++) { |
|
196 |
rs485_send_byte(cbuf[c]); |
|
197 |
} |
|
198 |
} |
|
199 |
cr_flag = CR_NONE; |
|
200 |
} |
|
201 |
} |
|
202 |
|
|
203 |
|
|
204 |
|
|
205 |
switch(state) { |
|
206 |
case req: |
|
207 |
toggle_led(LED_RED|LED_GREEN|LED_YELLOW, OFF); |
|
208 |
|
|
209 |
// Wait for a packet |
|
210 |
resp = parse_packet(mbuf, &len, ADDR); |
|
211 |
|
|
212 |
if (resp == TT_GET_KEY) { |
|
213 |
_delay_ms(50); |
|
214 |
send_packet(TT_ACK, ADDR, NULL, 0); |
|
215 |
toggle_led(LED_YELLOW, ON); |
|
216 |
reset_timer(); |
|
217 |
reset_timeout_flag(); |
|
218 |
start_timer(); |
|
219 |
c = ' '; |
|
220 |
state = press; |
|
221 |
} else if(resp == TT_PING){ |
|
222 |
_delay_ms(50); |
|
223 |
send_packet(TT_ACK, ADDR, NULL, 0); |
|
224 |
} |
|
225 |
break; |
|
226 |
case press: |
|
227 |
c = get_button(); |
|
228 |
retries = 0; |
|
229 |
|
|
230 |
if (seconds > TIMEOUT_SECONDS) { |
|
231 |
set_timeout_flag(); |
|
232 |
state = send; |
|
233 |
} else if (c != ' ') { |
|
234 |
state = send; |
|
235 |
} else { |
|
236 |
_delay_ms(100); |
|
237 |
} |
|
238 |
|
|
239 |
break; |
|
240 |
case send: |
|
241 |
if (get_timeout_flag() == 1) { |
|
242 |
_delay_ms(50); |
|
243 |
send_packet(TT_TIMEOUT, ADDR, NULL, 0); |
|
244 |
state = req; |
|
245 |
break; |
|
246 |
} else { |
|
247 |
_delay_ms(50); |
|
248 |
send_packet(TT_SEND_KEY, ADDR, &c, 1); |
|
249 |
} |
|
250 |
|
|
251 |
state = rsp; |
|
252 |
break; |
|
253 |
case rsp: |
|
254 |
resp = parse_packet(mbuf, &len, ADDR); |
|
255 |
|
|
256 |
if (resp == TT_ACK) { |
|
257 |
toggle_led(LED_GREEN, ON); |
|
258 |
} else if ((resp == TT_NACK) || (retries == TT_MAX_RETRY)) { |
|
259 |
toggle_led(LED_RED, ON); |
|
260 |
} else { |
|
261 |
retries++; |
|
262 |
state = send; |
|
263 |
break; |
|
264 |
} |
|
265 |
|
|
266 |
_delay_ms(1000); |
|
267 |
toggle_led(LED_RED, OFF); |
|
268 |
toggle_led(LED_GREEN, ON); |
|
269 |
state = req; |
|
270 |
break; |
|
271 |
default: |
|
272 |
state = req; |
|
273 |
break; |
|
274 |
} |
|
275 |
} |
|
276 |
return 0; |
|
277 |
} |
Also available in: Unified diff