static
void power_off (void)
{
MCI_MASK0 = 0;
MCI_COMMAND = 0;
MCI_DATA_CTRL = 0;
MCI_CLOCK = 0; /* Power-off */
MCI_POWER = 0;
LEDR_OFF();
Stat |= STA_NOINIT; /* Set STA_NOINIT */
}
int main(void) {
uint8_t i;
uint8_t ChkSum;
cli();
//#asm("cli");
DDRB = 0x00; //PB INPUT;
DDRD = 0x00; //PD INPUT;
//POWER ON indication: both LEDR and LEDG blink 3 times
LEDG_OFF();
LEDR_OFF();
LEDG_OUTPUT();
LEDR_OUTPUT();
for (i=0; i<3; i++) {
_delay_ms(200);
//Delay_ms(200);
LEDG_ON();
LEDR_ON();
_delay_ms(200);
//Delay_ms(200);
LEDG_OFF();
LEDR_OFF();
}
LEDG_OFF();
LEDR_OFF();
RFXX_PORT_INIT();
RF12_INIT();
DDRD |= (1 << RF12_DATA);
PORTD |= (1 << RF12_DATA); // SET nFFS pin HI when using TX register
DDRD &= ~(1 << DDD2); // PD2(INT0)
while (1) {
LEDR_ON();
rfxx_wrt_cmd(0x0000); //read status register
rfxx_wrt_cmd(0x8239); //!er,!ebb,ET,ES,EX,!eb,!ew,DC
ChkSum=0;
rf12_send(0xAA); //PREAMBLE
rf12_send(0xAA); //PREAMBLE
rf12_send(0xAA); //PREAMBLE
rf12_send(0x2D); //SYNC HI BYTE
rf12_send(0xD4); //SYNC LOW BYTE
// send data bytes
for (i = 0x30; i<=0x3F; ++i) {
rf12_send(i);
ChkSum += i;
}
/*
rf12_send(0x30); //DATA BYTE 0
ChkSum+=0x30;
rf12_send(0x31); //DATA BYTE 1
ChkSum+=0x31;
rf12_send(0x32);
ChkSum+=0x32;
rf12_send(0x33);
ChkSum+=0x33;
rf12_send(0x34);
ChkSum+=0x34;
rf12_send(0x35);
ChkSum+=0x35;
rf12_send(0x36);
ChkSum+=0x36;
rf12_send(0x37);
ChkSum+=0x37;
rf12_send(0x38);
ChkSum+=0x38;
rf12_send(0x39);
ChkSum+=0x39;
rf12_send(0x3A);
ChkSum+=0x3A;
rf12_send(0x3B);
ChkSum+=0x3B;
rf12_send(0x3C);
ChkSum+=0x3C;
rf12_send(0x3D);
ChkSum+=0x3D;
rf12_send(0x3E);
ChkSum+=0x3E;
rf12_send(0x3F); //DATA BYTE 15
ChkSum+=0x3F;
*/
rf12_send(ChkSum); //send chek sum
rf12_send(0xAA); //DUMMY BYTE
rf12_send(0xAA); //DUMMY BYTE
rf12_send(0xAA); //DUMMY BYTE
rfxx_wrt_cmd(0x8201);
LEDR_OFF();
LEDG_OFF();
//for(i=0;i<10000;i++)
// for(j=0;j<123;j++); //sleep 1 second appr.
_delay_ms(1000);
}
}
void CC1101_ISR(void)
{
switch((RF1AIV)) // Prioritizing Radio Core Interrupt
{
case 0: break; // No RF core interrupt pending
case 2: break; // RFIFG0
case 4: break; // RFIFG1
case 6: break; // RFIFG2
case 8: break; // RFIFG3
case 10: break; // RFIFG4
case 12: break; // RFIFG5
case 14: break; // RFIFG6
case 16: break; // RFIFG7
case 18: break; // RFIFG8
case 20: // RFIFG9
if(receiving) // RX end of packet
{
transmit = 1;
receive = 0;
// Read the length byte from the FIFO
RxBufferLength = ReadSingleReg( RXBYTES );
ReadBurstReg(RF_RXFIFORD, RxBuffer, RxBufferLength);
// Stop here to see contents of RxBuffer
__no_operation();
rssi=radio_rssi();
//print the raw buffer without CRC check - raja code
//uart_write( RxBuffer, RxBufferLength );
// Check the CRC results
if(RxBuffer[CRC_LQI_IDX] & CRC_OK)
{
LED_OUT |= (1<<LED_GBIT); // Toggle LED1
//print the CRC checked buffer and say CRC check ok -- raja code
// printf("Hello, welcome to serial port example\n");
printf("REceived RSSSI is .. %i dBm \r", rssi);
//printf("\n");
//uart_write( RxBuffer, RxBufferLength );
delayms(10);
LED_OUT &=~(1<<LED_GBIT);
}
}
else if(transmitting) // TX end of packet
{
RF1AIE &= ~BIT9; // Disable TX end-of-packet interrupt
LEDR_OFF(); // Turn off LED after Transmit
printf("trasmitting \n");
transmitting = 0;
transmit = 0;
receive = 1;
}
else while(1); // trap
break;
case 22: break; // RFIFG10
case 24: break; // RFIFG11
case 26: break; // RFIFG12
case 28: break; // RFIFG13
case 30: break; // RFIFG14
case 32: break; // RFIFG15
}
__bic_SR_register_on_exit(LPM3_bits);
}
