txdata(app,verb,0);
break;
case CCSPI_RX:
- //Get the packet.
- CLRSS;
- ccspitrans8(CCSPI_RXFIFO);
- for(i=0;i<32;i++)
- cmddata[i]=ccspitrans8(0xde);
- SETSS;
- //no break
- txdata(app,verb,32);
+ #ifdef FIFOP
+ //Wait for any incoming packet to finish.
+ while(SFD);
+
+ //Is there a packet?
+ if((!SFD)&FIFOP){
+ //Get the packet.
+ CLRSS;
+ ccspitrans8(CCSPI_RXFIFO);
+ for(i=0;i<32;i++)
+ cmddata[i]=ccspitrans8(0xde);
+ SETSS;
+ //no break
+ txdata(app,verb,32);
+ }else{
+ //No packet.
+ txdata(app,verb,0);
+ }
+ #else
+ debugstr("Can't RX a packet with SFD and FIFOP definitions.");
+ txdata(app,NOK,0);
+ #endif
break;
case CCSPI_RX_FLUSH:
//Flush the buffer.
//Return the packet.
txdata(app,verb,32);
break;
+ case CCSPI_REFLEX:
+ debugstr("Coming soon.");
+ txdata(app,verb,0);
+ break;
case CCSPI_TX:
case CCSPI_TX_FLUSH:
default:
#define CCSPI_RX_FLUSH 0x82
//Flush TX
#define CCSPI_TX_FLUSH 0x83
+//Reflexive jam.
+#define CCSPI_REFLEX 0xA0
//Bit fields for command word.
#define CLRCE P4OUT&=~BIT6
#define DIRCE P4DIR|=BIT6
+//CC2420 signals
+#define SFD (P4IN&BIT1)
+#define FIFOP (P4IN&BIT0)
// network byte order converters
#define htons(x) ((((uint16_t)(x) & 0xFF00) >> 8) | \