void sendCommand2(unsigned short PESend, unsigned short SSSend)
{
unsigned int sendVal;
sendVal = (PESend << 16) | SSSend;
while(SPI1STATbits.SPIBUSY);
putcSPI1(sendVal);
}
/*********************************************************************
* Function: BYTE SPIGet1(void)
*
* PreCondition: SPI has been configured
*
* Input: none
*
* Output: BYTE - the byte that was last received by the SPI
*
* Side Effects: none
*
* Overview: This function will read a byte over the SPI
*
* Note: None
********************************************************************/
BYTE SPIGet1(void)
{
#if defined(__PIC32MX__)
BYTE dummy;
putcSPI1(0x00);
dummy = (BYTE)getcSPI1();
return(dummy);
#else
SPIPut1(0x00);
return SPI1BUF;
#endif
}
/*********************************************************************
* Function: void SPIPut1(BYTE v)
*
* PreCondition: SPI has been configured
*
* Input: v - is the byte that needs to be transfered
*
* Output: none
*
* Side Effects: SPI transmits the byte
*
* Overview: This function will send a byte over the SPI
*
* Note: None
********************************************************************/
void SPIPut1(BYTE v)
{
BYTE dummy;
#if defined(__PIC32MX__)
putcSPI1(v);
dummy = (BYTE)getcSPI1();
#else
IFS0bits.SPI1IF = 0;
dummy = SPI1BUF;
SPI1BUF = v;
while(IFS0bits.SPI1IF == 0){}
#endif
}
void WriteSPI(char c)
{
int receive, i;
//send character
putcSPI1(c);
//wait
for(i = 0; i < 1000000; i++) {}
///Clear interrupt flags (Tx / Rx buffers empty)
SpiChnClrIntFlags(1);
//Read SP1BUF (dummy read)
receive = SPI1BUF;
//Write SP1BUF- sets Tx flag, if not done read will not clock
SPI1BUF = 0x0;
//Generates clock and reads SDO
receive = getcSPI1();
}
