int main(void)
{
unsigned char i;
unsigned char ChkSum;
//POWER ON indication: LED blink 3 times
LED2_OUTPUT();
LED2_OFF();
MODULE_OFF(); //for reset
for(i=0;i<3;i++){
Delay_ms(200);
LED2_ON();
Delay_ms(200);
LED2_OFF();
}
LED2_OFF();
MODULE_ON(); //for reset
Delay_ms(200);
//Initialize command port
RFXX_PORT_INIT();
//Initialize RF12 chip
RF12_INIT();
//Init FIFO
RFXX_WRT_CMD(0xCA81);
while(1){
//Enable FIFO
RFXX_WRT_CMD(0xCA83);
ChkSum=0;
//Receive payload data
for(i=0;i<16;i++){
ChkSum+=RF12_RECV();
}
//Receive Check sum
i=RF12_RECV();
//Disable FIFO
RFXX_WRT_CMD(0xCA81);
//Package chkeck
if(ChkSum==i){
LED2_ON();
Delay_ms(200);
LED2_OFF();
}
}
}
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);
}
}
