int main(void)
{
//DDRC |= 0x30; //
TWI_init_slave(SLAVEADD); //Initialize slave mode
//Initialize Start Conditions
DDRC |= 0x0F;
char temp = 0x0A;
/* Replace with your application code */
while (1)
{
if((TWSR & 0xF8) == 0x60) //Check if new data is available
{
TWI_match_read_slave();
TWI_read_slave(&temp);
}
PINC = (temp & 0x0F);
}
}
int main()
{
int16_t length=0,adc_value1,adc_value2;
uint8_t i;
DELAY_ms(100);
ADC_Init();
TIMSK = 0x00;
DDRB= 0xff;
DDRC = 0xff;
DDRD = 0xff;
PORTC = 0xff;
while(1)
{
switch(state)
{
case E_Init:
DELAY_ms(200);
ADC_Init();
adc_value1 = ADC_GetAdcValue(6);
adc_value2 = ADC_GetAdcValue(7);
// UART_Init(BAUD_RATE);
// sw_uart_init();
StartDisplayTimer();
sei();
// GetFont('1',pattern);
while(1);
MsgLength = strlen(inputBuffer);
if( (adc_value1 >= 600) && (adc_value2 >= 600) )
{
deviceType = MASTER;
}
else
{
deviceType = SLAVE;
}
state = E_StartArbitration;
break;
case E_StartArbitration:
GetFont(((MyDeviceId-0x30)/2)+0x30,pattern);
if(deviceType == MASTER)
{
DELAY_ms(500);
TCCR2 = 0x00;
TIMSK = 0x01;
TWI_init_master();
state = E_MasterDisp;
}
else
{
if(IdConfirmed == 1)
{
DELAY_ms(250);
TCCR2 = 0x00;
TIMSK = 0x01;
DisableHwUartComm();
TWI_init_slave(MyDeviceId);
state = E_SlaveDisp;
}
}
break;
case E_MasterDisp:
if(NewMsgReceived!=0)
{
MsgLength = NewMsgLength;
NewMsgReceived = 0;
NewMsgLength = 0;
}
strcpy(msgBuffer,inputBuffer);
if(MsgLength > NumberOfSegments)
{
ScrollString(msgBuffer);
}
else
{
DisplayString(msgBuffer);
}
break;
case E_SlaveDisp:
TWI_Receive_Frame(FrameBuffer);
for(i=0;i<8;i++)
pattern[i] = FrameBuffer[i];
break;
}
}
}