/*
* MAIN
*/
int main(int argc, char** argv) {
// RA1 as DO
LATA = 0;
ADCON1 = 0x06;
TRISA1 = 0;
LATA1 = 1;
// I2C configuration
i2c_setup();
unsigned char w;
for(w=0;w<20;w++)
I2C_Recv[w]=0;
unsigned int temps = 25;
unsigned char temp, length=0;
while(1){
LATA1 = ~LATA1;
Delay10KTCYx(temps);
check_interruptions();
if (DataRdyI2C()==1) {
temps += 25;
temp = ReadI2C();
//********************* Data reception from master by slave *********************
do {
while(DataRdyI2C()==0); // WAIT UNTILL THE DATA IS TRANSMITTED FROM master
I2C_Recv[length++]=getcI2C(); // save byte received
}
while(length!=20);
}
}
//******************** write sequence from slave *******************************
while(SSPSTATbits.S!=1); //wait untill STOP CONDITION
//********************* Read the address sent by master from buffer **************
while(DataRdyI2C()==0); //WAIT UNTILL THE DATA IS TRANSMITTED FROM master
temp = ReadI2C();
//********************* Slave transmission ************************************
if(SSPSTAT & 0x04) //check if master is ready for reception
while(putsI2C(I2C_Send)); // send the data to master
//-------------TERMINATE COMMUNICATION FROM MASTER SIDE---------------
CloseI2C(); //close I2C module
while(1) {
LATA1 = ~LATA1;
Delay10KTCYx(100);
}; //End of program
return (EXIT_SUCCESS);
}
void main(void)
{
/* Configure the oscillator for the device */
ConfigureOscillator();
/* Initialize I/O and Peripherals for application */
InitApp();
// i2c conf
// /* // i2c slave
TRISBbits.TRISB3 = 1;
TRISBbits.TRISB4 = 1; //Statement to configure the DATA pin as an input.
OpenI2C(SLAVE_7, SLEW_OFF);
SSPADD = 0xB0;
// */
/* //i2c master
TRISBbits.TRISB3 = 1;
TRISBbits.TRISB4 = 1; //Statement to configure the DATA pin as an input.
OpenI2C( MASTER, SLEW_OFF);
SSPADD = 0x27; //SSPADD Baud Register used to calculate I2C clock speed in MASTER mode (in this case 100Khz)
*/
unsigned char addr;
unsigned char data;
int delayVal = 5;
LEDPin = 1;//Set LED Pin
while(1)
{
// /* //i2c slave
if(DataRdyI2C() == 1)
{
addr = ReadI2C();
while(DataRdyI2C() == 0);
data = ReadI2C();
}
//*/
/* //i2c master
StartI2C();
IdleI2C();
putcI2C( 0xB0 ); //send address
IdleI2C();
putcI2C( 0x11 ); //send data
IdleI2C();
StopI2C();
*/
LEDPin = ~LEDPin;//Toggle LED Pin
Delay10KTCYx(delayVal);//Delay 250K cycles (1 second at 1MHz since each instruction takes 4 cycles)
}
}
