};
-#define RADIOACTIVE SETCE
-#define RADIOPASSIVE CLRCE
+#define RADIOACTIVE CLRCE
+#define RADIOPASSIVE SETCE
//! Set up the pins for CCSPI mode.
void ccspisetup(){
- SETSS;
- P5DIR&=~MISO;
- P5DIR|=MOSI+SCK;
+ SPIDIR&=~MISO;
+ SPIDIR|=MOSI+SCK;
DIRSS;
DIRCE;
+ //Telos B Radio VReg Enable
+ P4DIR|=BIT5+BIT2+BIT6+BIT7;
+ P4OUT|=BIT5+BIT7;
+ P4OUT&=~(BIT6+BIT2);
+
//Begin a new transaction.
CLRSS;
SETSS;
//! Handles a Chipcon SPI command.
void ccspi_handle_fn( uint8_t const app,
- uint8_t const verb,
- uint32_t const len)
-{
+ uint8_t const verb,
+ uint32_t const len){
unsigned long i;
- //Drop CE to passify radio.
- RADIOPASSIVE;
- //Raise !SS to end transaction, just in case we forgot.
- SETSS;
- ccspisetup();
+ //debugstr("Chipcon SPI handler.");
switch(verb){
- //PEEK and POKE might come later.
- case READ:
+ case READ:
case WRITE:
CLRSS; //Drop !SS to begin transaction.
for(i=0;i<len;i++)
case PEEK://Grab CCSPI Register
CLRSS; //Drop !SS to begin transaction.
- ccspitrans8(CCSPI_R_REGISTER | cmddata[0]); //000A AAAA
+ cmddata[0]=ccspitrans8(/*CCSPI_R_REGISTER |*/ cmddata[0]); //000A AAAA
for(i=1;i<len;i++)
cmddata[i]=ccspitrans8(cmddata[i]);
SETSS; //Raise !SS to end transaction.
case POKE://Poke CCSPI Register
CLRSS; //Drop !SS to begin transaction.
- ccspitrans8(CCSPI_W_REGISTER | cmddata[0]); //001A AAAA
+ cmddata[0]=ccspitrans8(/* CCSPI_W_REGISTER |*/ 0x40 | cmddata[0]); //02AA AAAA
for(i=1;i<len;i++)
cmddata[i]=ccspitrans8(cmddata[i]);
SETSS; //Raise !SS to end transaction.
txdata(app,verb,0);
break;
case CCSPI_RX:
- RADIOPASSIVE;
//Get the packet.
CLRSS;
ccspitrans8(CCSPI_RXFIFO);
}
- SETSS;//End session
- RADIOACTIVE;
}