Revision 213 trunk/cardbox/main.c
| main.c (revision 213) | ||
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#include <tooltron.h> |
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#include "timer.h" |
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#include "packet.h" |
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/***** Keypad definitions ******/ |
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/** @brief ROW1 of the keypad */ |
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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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#define LED_PORT PORTC |
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#define ADDR 2 |
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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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LED_PORT |= LED_RED | LED_GREEN | LED_YELLOW; |
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return; |
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} |
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uint8_t c; |
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state_t state = req; |
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rs485_init(BAUD9600); |
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init_pins(); |
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init_timer(); |
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sei(); |
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rs485_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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while(1) {
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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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while(1) {
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toggle_led(LED_GREEN, ON); |
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send_packet(TT_TIMEOUT, ADDR); |
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_delay_ms(100); |
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toggle_led(LED_GREEN, OFF); |
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_delay_ms(100); |
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} |
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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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// Wait for a packet |
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resp = parse_packet(mbuf, ADDR); |
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// Wait for a packet |
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resp = parse_packet(mbuf, ADDR); |
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if (resp == TT_GET_KEY) {
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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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} |
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break; |
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case press: |
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if (resp == TT_GET_KEY) {
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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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} |
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else if(resp != TT_BAD){
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toggle_led(LED_RED, ON); |
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while(1); |
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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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if (seconds > TIMEOUT_SECONDS) {
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set_timeout_flag(); |
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state = send; |
| ... | ... | |
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} |
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break; |
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case send: |
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if (timeoutflag == 1) {
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case send: |
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if (get_timeout_flag() == 1) {
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send_packet(TT_TIMEOUT, ADDR); |
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state = req; |
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} else {
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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, ADDR); |
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case rsp: |
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resp = parse_packet(mbuf, ADDR); |
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if (resp == TT_ACK |
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if (resp == TT_ACK) {
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toggle_led(LED_GREEN, ON); |
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} |
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else {
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toggle_led(LED_RED, ON); |
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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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} |
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if (timeout_flag == 0) {
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//respond with key pressed |
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uart_send_byte(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((uart_get_byte(&c) < 0) && (seconds < TIMEOUT_SECONDS)); |
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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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case TT_GET_KEY: //this means the states are messed up |
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PORTC &= (~LED_RED & ~LED_YELLOW & ~LED_GREEN); |
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break; |
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case 0: //timeout |
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PORTC &= (~LED_RED & ~LED_YELLOW); |
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break; |
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default: //bad packet |
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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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return 0; |
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} |
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