void enableWOR(void) {
cc1100_strobe(SIDLE);
RFstatus |= WORenabled;
cc1100_strobe(SWOR);
}
void waitTX(void)
{
unsigned char status;
unsigned char x;
x=1;
while (x) {
status = cc1100_strobe(SNOP);
switch ( 0xf0 & status) {
case 0x70:
cc1100_strobe(SFTX);
case 0x10:
case 0x00:
if (RFstatus & WORsend) {
switch_to_idle();
}
else if (RFstatus & WORenabled)
cc1100_strobe(SWOR);
else if (RFstatus & WORrxon)
cc1100_strobe(SRX);
else if (RFstatus & RXenabled)
cc1100_strobe(SRX);
else {
switch_to_idle();
}
x=0;
break;
}
}
}
void RF_sendWOR(unsigned char addr) {
unsigned char b[2];
unsigned int WOR_cb;
b[0]=0x01;
b[1]=addr;
VICIntEnClr = INT_EINT0;
switch_to_idle();
RFstatus |= WORsend;
cc1100_write1(0x18,conf[0x18] & 0xCF);
cc1100_strobe(SCAL);
waitTX();
WOR_cb = addTimerCB(WORsend_timeout, 101);
startCB(WOR_cb);
while (RFstatus & WORsend) {
cc1100_write(TX_fifo | BURST,b,2);
cc1100_strobe(STX);
waitTX();
}
stopCB(WOR_cb);
removeTimerCB(WOR_cb);
cc1100_write1(0x18,conf[0x18]);
waitTX();
VICIntEnable = INT_EINT0;
}
void RF_send(unsigned char* b, int payload_cnt) {
switch_to_idle_1();
cc1100_strobe(SFTX);
cc1100_strobe(SCAL);
cc1100_write(TX_fifo | BURST, b, payload_cnt);
cc1100_strobe(STX);
}
void cc1100IRQ (void) {
if (cc1100_read1(0x3B | READ | BURST) > 0) {
RF_getfifo(RFbuf);
cc1100_strobe(SIDLE);
cc1100_strobe(SFRX);
struct cc1100frame_ *RXframe;
RXframe = (struct cc1100frame_ *)&RFbuf[0];
if ((RXframe->len == 1) && ((RXframe->destAddr == cc1100Addr) || (RXframe->destAddr == 0x00))) {
switch_WOR_RX();
}
if(RFstatus & WORenabled)
cc1100_strobe(SWOR);
else
cc1100_strobe(SRX);
if (RXframe->len > 3) {
setCBIntervall(WORrx_cb,WORrx_time);
switch ( RXframe->packetType) {
case 0x01:
draw_block(0,50,128,10,3,DRAW_ERASE);
draw_string(0, 50, (char*)&RFbuf[headerLen], 3, DRAW_PUT);
break;
case 0x02:
if (RXframe->data[0] == 0x01) {
RXframe->destAddr = RXframe->srcAddr;
RXframe->srcAddr = cc1100Addr;
RXframe->data[0] = 0x02;
RXframe->len = 0x04;
switch_to_idle();
RF_send(RFbuf);
}
else if (RFbuf[headerLen] == 0x02) {
RFstatus |= Received;
}
break;
case 0x03:
if ((RXframe->data[0] == 0x01) && (timeInfo & time_accurate)) {
send_time(RXframe->srcAddr);
}
else if (RFbuf[headerLen] == 0x02) {
memcpy((unsigned char *)&time,(unsigned char *)&RXframe->data[1],3);
memcpy((unsigned char *)&date,(unsigned char *)&RXframe->data[4],4);
timeInfo |=0x02;
VICSoftInt = INT_EINT2;
}
}
}
}
waitTX();
EXTINT = 0x01;
}
void WORrx_timeout(void) {
stopCB(WORrx_cb);
removeTimerCB(WORrx_cb);
RFstatus &= ~WORrxon;
draw_ant(100,0,DRAW_ERASE);
cc1100_write1(0x16,conf[0x16]);
RFstatus |= WORenabled;
cc1100_strobe(SIDLE);
cc1100_strobe(SWOR);
}
void RF_send(unsigned char* b) {
VICIntEnClr = INT_EINT0;
if(RFstatus & WORenabled) {
switch_to_idle();
}
cc1100_write(TX_fifo | BURST,b,b[0]+1);
cc1100_strobe(STX);
waitTX();
VICIntEnable = INT_EINT0;
}
void cc1100_init(void) {
unsigned long xx = 0x200;
PINSEL1 &= 0xffffff00; //GDO0 SCK1 MISO1 MOSI1 as GPIO
FIODIR0 |= (CS1 | MOSI1 | SCK1); //output
PCONP &= 0xfffffbff;
PCONP |= (1<<21);
FIOSET0 = SCK1;
FIOCLR0 = MOSI1;
FIOCLR0 = CS1;
while(xx) {
asm volatile("nop" : :);
xx--;
}
FIOSET0 = CS1;
xx=0x200;
while(xx) {
asm volatile("nop" : :);
xx--;
}
FIOCLR0 = CS1;
FIOCLR0 = SCK1;
while (FIOPIN0 & MISO1);
PINSEL1 |= 0x000002A8; //SCK1 MISO1 MOSI1 as SPI1
SSPCR0 = 0x0007;
SSPCPSR = 0x02;
SSPCR1 = 0x02;
SSPDR = SRES;
while (FIOPIN0 & MISO1);
while (SSPSR & (1<<4));
xx = SSPDR;
cc1100_write((0x00 | BURST ),(unsigned char*)conf,0x2f);
cc1100_write1(PATABLE,0xC0);
cc1100_strobe(SIDLE);
cc1100_strobe(SPWD);
}
void switch_to_idle_1() {
cc1100_strobe(SIDLE);
while (cc1100_read1(MARCSTATE) != 01);
}
void switch_to_idle() {
cc1100_strobe(SIDLE);
while (cc1100_read1(0x35 | READ | BURST) != 01);
}
