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131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
7 years ago
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <avr/eeprom.h>
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#include "alarmhw.h"
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#include "rs485.h"
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#include "eb.h"
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uint8_t reedstate;
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uint8_t buzzerstate;
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uint8_t waitforack;
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uint8_t waitforsend;
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uint8_t acktimer;
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int main(void)
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{
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uint8_t i;
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init_rs485();
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DDRD |= (1<<RedLED);
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DDRD |= (1<<GreenLED);
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DDRD |= (1<<BuzzerON);
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DDRD &= ~(1<<ReedSwitch);
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PORTD &= ~(1<<RedLED);
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PORTD |= (1<<GreenLED);
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PORTD &= ~(1<<BuzzerON);
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PORTD |= (1<<ReedSwitch);
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ADMUX = (0<<REFS1) | (1<<REFS0);
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ADCSRA = (1<<ADPS2) | (1<<ADPS1);
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ADCSRA |= (1<<ADEN);
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ADCSRA |= (1<<ADSC);
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loop_until_bit_is_clear(ADCSRA, ADSC);
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svalue = ADCW;
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my_address = eeprom_read_byte((const uint8_t *)0);
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my_prio = eeprom_read_byte((const uint8_t *)1);
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master = eeprom_read_byte((const uint8_t *)2);
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buzzerstate = 0;
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reedstate = 0;
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waitforsend = 0;
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acktimer = 0;
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sei();
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while(1) {
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rs485_loop();
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if (rflag) {
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if (rsender)
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srecv = rsender;
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else
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srecv = master;
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smode = 0;
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if ((rrecv == my_address) && (rmode == 2)) {
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acktimer = 0;
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waitforsend = 0;
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}
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if ((rrecv == my_address) && (rmode == 0)) {
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for (i=0; i<4; i++) {
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decodepart(i);
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scommand = 0;
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schannel = rchannel;
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if ((rcommand == 0x40) && (rchannel == 0)) {
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scommand = 0x40;
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svalue = 2; /* 2 LED keys + 4 ADCs */
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}
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if ((rcommand == 0x60) && (rchannel == 1)) {
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if (rvalue & 0x02) {
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buzzerstate = ~0;
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PORTD |= (1<<BuzzerON);
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} else {
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buzzerstate = 0;
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PORTD &= ~(1<<BuzzerON);
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}
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scommand = 0x40;
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svalue = (reedstate & 0x01) | (buzzerstate & 0x02);
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}
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if ((rcommand == 0x40) && (rchannel == 1)) {
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scommand = 0x40;
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svalue = (reedstate & 0x01) | (buzzerstate & 0x02);
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}
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if ((rcommand == 0x40) && ((rchannel > 1) && (rchannel < 6))) {
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ADMUX = (ADMUX & ~(0x1F)) | (rchannel - 2);
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ADCSRA |= (1<<ADSC);
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loop_until_bit_is_clear(ADCSRA, ADSC);
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scommand = 0x40;
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svalue = ADCW;
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}
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encodepart(i);
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}
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smode = 0;
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sendmsg();
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acktimer = 0;
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waitforsend = 0;
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}
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if ((rrecv == 0) && (rmode == 0) && waitforsend) {
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if (!acktimer) {
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scommand = 0x40;
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schannel = 1;
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svalue = (reedstate & 0x01) | (buzzerstate & 0x02);
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encodepart(0);
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scommand = 0;
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encodepart(1);
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encodepart(2);
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encodepart(3);
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smode = 1;
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sendmsg();
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acktimer = my_prio;
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} else
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acktimer--;
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}
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rflag = 0;
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}
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if (bit_is_clear(PIND, ReedSwitch) && (!reedstate)) {
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reedstate = ~0;
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waitforsend = ~0;
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PORTD |= (1<<RedLED);
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PORTD &= ~(1<<GreenLED);
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}
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if (bit_is_set(PIND, ReedSwitch) && reedstate) {
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reedstate = 0;
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waitforsend = ~0;
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PORTD &= ~(1<<RedLED);
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PORTD |= (1<<GreenLED);
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}
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}
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}
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