void main( void )
{
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
// Increase PMMCOREV level to 2 in order to avoid low voltage error
// when the RF core is enabled
SetVCore(2);
InitRadio();
InitButtonLeds();
Strobe(RF_SIDLE);
Strobe(RF_SRX);
// P2.7 for GD02 - synchronous clock from Radio
// P2.6 for GDO0 - synchronous data from Radio
P2DIR |= BIT6+BIT7;
P2SEL |= BIT6+BIT7;
PMAPPWD = 0x02D52; // Get write-access to port mapping regs
P2MAP6 = PM_RFGDO0; // Map GDO0 to P2.6
P2MAP7 = PM_RFGDO2; // Map GDO2 to P2.7
PMAPPWD = 0x00; // Lock Port mapping
while(1);
}
void main( void )
{
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
// Increase PMMCOREV level to 2 for proper radio operation
SetVCore(2);
ResetRadioCore();
InitButtonLeds();
InitTimer();
// Clean out the RX Buffer
rxPosition = PACKET_LEN+2;
while(rxPosition--)
{
RxBuffer[rxPosition] = 0;
}
InitRadio();
ReceiveOn();
//Check RSSI here
while (1)
{
P1IE |= BIT7; // Enable button interrupt
__bis_SR_register( LPM3_bits + GIE );
__no_operation();
if (buttonPressed) // Process a button press->transmit
{
ReceiveOff(); // Button means TX, stop RX
receiving = 0;
TransmitPacket();
buttonPressed = 0; // Re-enable button press
}
if(receiving)
{
ReceivePacket();
__no_operation();
// Check CRC
if(RxBuffer[CRC_LQI_IDX] & CRC_OK)
//Got it!
P1OUT ^= BIT0; // Toggle LED1 in celebration
}
if(!transmitting)
{
ReceiveOn();
}
}
}
void main( void )
{
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
TA1CCTL0 = CCIE; // CCR0 interrupt enabled
TA1CCR0 = 50000;
TA1CTL = TASSEL_2 + MC_1 + TACLR; // SMCLK, upmode, clear TAR
__bis_SR_register(GIE);
//WDTCTL = WDT_ARST_250;
//SFRIE1 |= WDTIE; // Enable WDT interrupt
// Increase PMMCOREV level to 2 for proper radio operation
SetVCore(2);
ResetRadioCore();
InitRadio();
InitButtonLeds();
InitUart();
ReceiveOn();
receiving = 1;
_EINT();
while (1)
{
//WDTCTL = WDT_ARST_250;
// __bis_SR_register( LPM3_bits + GIE );
__no_operation();
if((!(BUTTON_IN & (1<<BUTTON_BIT))))
{
_NOP();
delayms(30);
if(!(BUTTON_IN & (1<<BUTTON_BIT)))
{
_NOP();
buttonPressed = 1;
LEDR_ON();
ReceiveOff();
receiving = 0;
Transmit( (unsigned char*)TxBuffer,sizeof TxBuffer);
transmitting = 1;
while(!(BUTTON_IN & (1<<BUTTON_BIT)));
}
}
if(!transmitting)
{
ReceiveOn();
receiving = 1;
}
if(buttonPressed && transmit == 1)
{
LEDR_ON();
ReceiveOff();
receiving = 0;
Transmit( (unsigned char*)TxBuffer,sizeof TxBuffer);
transmitting = 1;
transmit = 0;
receive = 1;
delayms(500);
buttonPressed = 0;
}
if(count == 20 && buttonPressed == 0 && receive == 1)
{
buttonPressed = 1;
count = 0;
transmit = 1;
receive = 0;
}
}
}
void main( void )
{
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
// Increase PMMCOREV level to 2 in order to avoid low voltage error
// when the RF core is enabled
SetVCore(2);
InitRadio();
InitButtonLeds();
Strobe( RF_SIDLE );
Strobe(RF_SRX);
P2DIR |= BIT6; // P2.6 output
P2SEL |= BIT6; // P2.6 select
//add P2.0 for GD02 - clock sync to TXDATA
P2DIR |= BIT0; // P2.0 output
P2SEL |= BIT0; // P2.6 select
//map P1.0 to GDO1 - high if RSSI above threshold
P1DIR |= BIT0; // P1.0 output
P1SEL |= BIT0; // P1. select
PMAPPWD = 0x02D52; // Get write-access to port mapping regs
P2MAP6 = PM_RFGDO0; // Map GDO0 to P2.6
// P2MAP0 = PM_RFGDO2; // Map GDO2 to P2.0
// P1MAP0 = PM_RFGDO1; // Map GDO1 to P1.0
PMAPPWD = 0x00; // Lock Port mapping
// Enable timer interrupts to see if input is visible
TA1CTL = TASSEL__SMCLK + MC_2 + TACLR;
TA1CCTL0 = CM_3 + CCIS_1 + CAP + CCIE;
__bis_SR_register(GIE);
while(1);
#elif defined TEST_ASYNC_TX_MODE
// Should serve as internal timer output (toggle rate 19.2 kHz)
// to Radio TX input when IOCFG0 = 0x2E (high-Z)
// NOTE: SMARTF_CC430 IOCFG0 should = 0x2E so asynchronous signal is taken from
// the timer and not GDO0
// TA1CCR0 = 27;
// TA1CCR1 = 27;
TA1CCR0 = 26;
TA1CCR1 = 26;
TA1CCTL0 = OUTMOD_4;
TA1CCTL1 = OUTMOD_4;
TA1CTL = TASSEL__SMCLK + MC_1 + TACLR;
P2SEL |= BIT2;
P2DIR |= BIT2;
PMAPPWD = 0x02D52; // Get write-access to port mapping regs
P2MAP2 = PM_TA1CCR0A; // Map CBOUT output to P2.2
PMAPPWD = 0x00; // Lock Port mapping
Strobe( RF_SIDLE );
Strobe( RF_STX );
//Transmit the TX waveform asynchronously
while(1);
#endif
// ************NOT USED IN THIS LAB*****************************
// Using function generator to generate asynchronous TX signal
/*
P2OUT |= BIT0;
P2DIR |= BIT0;
P2SEL |= BIT6;
//add P2.0 for GD02 - clock sync to TXDATA
P2DIR |= BIT0; // P2.0 output
P2SEL |= BIT0; // P2.6 select
PMAPPWD = 0x02D52; // Get write-access to port mapping regs
P2MAP6 = PM_RFGDO0; // Map CBOUT output to P1.6
P2MAP0 = PM_RFGDO2; // Map GDO2 to P2.0
PMAPPWD = 0x00; // Lock Port mapping
// NOTE: SMARTRF_CC430 IOCFG0 shoud = 0x2D so asynchronous signal is taken from
// GDO0 and not the internal timer connection
*/
}
