Spi.c

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00001 #include "Spi.h"
00002 
00004 void Spi::writeData(unsigned char _byte) {
00005 
00006 //   /* start transmission */
00007 //   SPDR = _byte;
00008 // 
00009 //   /* wait till transmission is complete */
00010 //   while (!(SPSR & (1<<SPIF)));
00011 //   
00012 }
00013 
00014 
00016 unsigned char Spi::readData() {
00017 
00018 //   /* wait for transmission|reception complete */
00019 //   while (!(SPSR & (1<<SPIF)));
00020 // 
00021 //   /* return data register */
00022 //   return SPDR;
00023 
00024 
00025           
00026 }
00027 
00029 void Spi::init() {
00030 
00031 //   /* Set MOSI and SCK output */
00032 //   DDRB |= (1<<PB5) | (1<<PB7) | (1<<PB4);
00033 // 
00034 //   /* Set MISO to input */
00035 //   DDRB &= ~(1<<PB6);
00036 }
00037 
00039 void Spi::enableSPI() {
00040      /* Enable SPI Mode0, Master, set clock rate fosc/128, MSB first */
00041 //   SPCR = ((1<<SPE) | (1<<MSTR) | (1<<SPR0) | (1<<SPR1));
00042 }
00043 
00045 void Spi::disableSPI() {
00046      /* Enable SPI Mode0, Master, set clock rate fosc/128, MSB first */
00047 //   SPCR &= ~((1<<SPE) | (1<<MSTR) | (1<<SPR0) | (1<<SPR1));
00048 }

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