void LCD_PulseEnable ( void )
{
GPIO->P[COM_PORT].DOUTSET = 1 << LCD_EN ;//LCD_EN = 1;
usdelay(220); // was 10
GPIO->P[COM_PORT].DOUTCLR = 1 << LCD_EN ;//LCD_EN =0;
usdelay(220);
}
static inline void enc_reset(void)
{
enc_select();
spi_put( ENC_SPI_OP_SC );
enc_deselect();
// errata #2: wait for at least 300 us
usdelay( 1000 );
}
void spi_init(void)
{
// configure pins MOSI, SCK as output
SPI_DDR |= (1<<SPI_MOSI) | (1<<SPI_SCK);
// pull SCK high
SPI_PORT |= (1<<SPI_SCK);
// configure pin MISO as input
SPI_DDR &= ~(1<<SPI_MISO);
SPI_DDR |= (1<<SPI_SS);
//SPI: enable, master, positive clock phase, msb first, SPI speed fosc/2
SPCR = (1<<SPE) | (1<<MSTR);
SPSR = (1<<SPI2X);
usdelay(10000);
}
