CC1110-CC1111: Need a send and Receive Program

void clockInit(){
	SLEEP &= ~SLEEP_OSC_PD;
	while( !(SLEEP & SLEEP_XOSC_S) );
	CLKCON = (CLKCON & ~(CLKCON_CLKSPD | CLKCON_OSC)) | CLKSPD_DIV_1;
	while (CLKCON & CLKCON_OSC);
	SLEEP |= SLEEP_OSC_PD;	
}

void radioSetting(){
/*
	Settings are import from "radio_carrier.c"
	CC1110, CC2510 Basic Software Examples
*/

	FSCTRL1   = 0x0A;   // Frequency synthesizer control.
	FSCTRL0   = 0x00;   // Frequency synthesizer control.
	FREQ2     = 0x5D;   // Frequency control word, high byte.
	FREQ1     = 0x93;   // Frequency control word, middle byte.
	FREQ0     = 0xB1;   // Frequency control word, low byte.
	MDMCFG4   = 0x86;   // Modem configuration.
	MDMCFG3   = 0x83;   // Modem configuration.
	MDMCFG2   = 0x30;   // Modem configuration.
	MDMCFG1   = 0x22;   // Modem configuration.
	MDMCFG0   = 0xF8;   // Modem configuration.
	CHANNR    = 0x00;   // Channel number.
	DEVIATN   = 0x00;   // Modem deviation setting (when FSK modulation is enabled).
	FREND1    = 0x56;   // Front end RX configuration.
	FREND0    = 0x10;   // Front end RX configuration.
	MCSM0     = 0x14;   // Main Radio Control State Machine configuration.
	FOCCFG    = 0x16;   // Frequency Offset Compensation Configuration.
	BSCFG     = 0x6C;   // Bit synchronization Configuration.
	AGCCTRL2  = 0x03;   // AGC control.
	AGCCTRL1  = 0x40;   // AGC control.
	AGCCTRL0  = 0x91;   // AGC control.
	FSCAL3    = 0xA9;   // Frequency synthesizer calibration.
	FSCAL2    = 0x0A;   // Frequency synthesizer calibration.
	FSCAL1    = 0x00;   // Frequency synthesizer calibration.
	FSCAL0    = 0x11;   // Frequency synthesizer calibration.
	TEST2     = 0x88;   // Various test settings.
	TEST1     = 0x31;   // Various test settings.
	TEST0     = 0x09;   // Various test settings.
	PA_TABLE0 = 0xFE;   // PA output power setting.
	PKTCTRL1  = 0x04;   // Packet automation control.
	PKTCTRL0  = 0x22;   // Packet automation control.
	ADDR      = 0x00;   // Device address.
	PKTLEN    = 0xFF;   // Packet length.

	/* Settings not from SmartRF® Studio. Setting both sync word registers to
	* 0xAA = 0b10101010, i.e., the same as the preamble pattern. Not necessary,
	* but gives control of what the radio attempts to transmit.
	*/

	SYNC1     = 0xAA;
	SYNC0     = 0xAA;
}

char receive(void){
	static char data;

	data=0;

	//wait for interrupt
	while(!RFTXRXIF);

	//CLEAR FLAG
	RFTXRXIF = 0;

	//Read from Radio Register
	data = RFD;

	return data;
}

void send(char data){
	//wait for interrupt
	while(!RFTXRXIF);

	//CLEAR FLAG
	RFTXRXIF = 0;

	//Radio Buffer
	RFD = data;
}

int main(){
	char receivedData;
	clockInit();
	radioSetting();
	while(1){
#ifdef TX
		send('a');
#else
		receivedData=receive();
#endif
	}
	return 0;
}