112 lines
2.4 KiB
C
Executable file
112 lines
2.4 KiB
C
Executable file
/*
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* i2c_test_attiny85.c
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*
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* Created: 12/11/2021 15:26:38
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* Author : 40008304
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*/
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#if __GNUC__
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#else
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#include <inavr.h>
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#include <ioavr.h>
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#endif
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#include "led_gen.h"
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#include "led_receptor.h"
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#include "usiTwiSlave.h"
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#define NOM_CONSTRUC 0x08
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#define NOM_CAPTEUR 0x10
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#define VALEUR_DEMAN 0x49
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#define BASIC_MODE 0x42
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unsigned char adcled1;
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unsigned char adcled2;
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double moyLed1=0;
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double moyLed2=0;
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int iMoy=0;
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volatile unsigned char recVal1=0;
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volatile unsigned char recVal2=0;
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volatile unsigned char recVal=0;
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ISR (ADC_vect){
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adcled1=measureLed1();
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adcled2=measureLed2();
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moyLed1=moyLed1 + adcled1;
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moyLed2=moyLed2 + adcled2;
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iMoy++;
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if(iMoy >= 2000)
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{
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moyLed1=moyLed1/iMoy;
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moyLed2=moyLed2/iMoy;
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recVal1=(int)moyLed1;
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recVal2=(int)moyLed2;
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recVal=compareLed(recVal1,recVal2);
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moyLed1=0;
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moyLed2=0;
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iMoy=0;
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}
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ADCSRA |= (1<<ADSC);
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}
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ISR (TIMER0_OVF_vect) //Interrupt vector for Timer0
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{
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if (intr_count==5) //waiting for 63 because to get 1 sec delay
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{
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timer_flag=1-timer_flag;
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intr_count=0; //making intr_count=0 to repeat the count
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}
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else intr_count++; //incrementing c upto 63
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}
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int main( void )
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{
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unsigned char cmd,i=0;
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unsigned char nom_capteur[8]= {'C','a','t','c','h','E','y','e'};
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unsigned char sensor_type[8]= {'I','R','O','b','s','t','a','c'};
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uint8_t slaveAdress;//data = 0x45;
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slaveAdress = 0x01;
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MCUCR |= (1<<PUD);
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usiTwiSlaveInit(slaveAdress);
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sei();
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ADC_init();
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ADC_start_conversion();
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timer0_init();
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while(1)
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{
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if( usiTwiDataInTransmitBuffer() )
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{
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cmd = usiTwiReceiveByte();
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switch(cmd)
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{
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case NOM_CONSTRUC :
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for (i=0; i<8; i++)
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{
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usiTwiTransmitByte(nom_capteur[i]);
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}
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break;
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case NOM_CAPTEUR :
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for (i=0; i<8; i++)
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{
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usiTwiTransmitByte(sensor_type[i]);
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}
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break;
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case VALEUR_DEMAN :
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usiTwiTransmitByte(recVal/*recVal*/);
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break;
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case BASIC_MODE :
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usiTwiTransmitByte(recVal);
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break;
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}
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}
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}
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return 0;
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}
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