// Initialize MMC card
unsigned char initMMC (void)
{
//raise SS and MOSI for 80 clock cycles
//SendByte(0xff) 10 times with SS high
//RAISE SS
int i;
// Port 5 Function Dir On/Off
// 5.1-Dout Out 0 - off 1 - On -> init in SPI_Init
// 5.2-Din Inp 0 - off 1 - On -> init in SPI_Init
// 5.3-Clk Out - -> init in SPI_Init
// 5.0-mmcCS Out 0 - Active 1 - none Active
/*
P5SEL |= 0x0E;
P5SEL &= ~0x11;
P5OUT |= 0x11;
P5DIR |= 0x1B;
*/
/*
PIN_SET(port5_attr.sel, 0x0e, PIN_HI);
PIN_CLEAR(port5_attr.sel, 0x01);
PIN_SET(port5_attr.dir, 0x0B, PIN_HI);
PIN_CLEAR(port5_attr.dir, 0x04);
port_set_attr(5, 0x0f, &port5_attr);
port_write(5, 0x01, PIN_HI);
*/
// PIN_SET(port5_attr.sel, 0x0e, PIN_HI);
#ifndef PORT_WRITE
mmcPower(MMC_ON);
MMC_PWR_PDIR |= MMC_CARD_PWR;
MMC_PWR_PSEL &= ~MMC_CARD_PWR;
// MMC_POUT |= MMC_CS;
CS_HIGH();
MMC_PDIR |= MMC_CS;
MMC_PSEL &= ~MMC_CS;
#else // !PORT_WRITE
PIN_SET (mmc_pwr_port_attr.dir, MMC_CARD_PWR, PIN_HI);
PIN_CLEAR(mmc_pwr_port_attr.sel, MMC_CARD_PWR);
port_set_attr(MMC_PWR_PORT, MMC_CARD_PWR, &mmc_pwr_port_attr);
mmcPower(MMC_ON);
PIN_CLEAR(mmc_port_attr.sel, MMC_CS);
PIN_SET (mmc_port_attr.dir, MMC_CS, PIN_HI);
port_set_attr(MMC_PORT, MMC_CS, &mmc_port_attr);
CS_HIGH();
//port_write(5, 0x01, PIN_HI);
#endif // !PORT_WRITE
// initSPI();
// SPI_init();
//initialization sequence on PowerUp
// CS_HIGH();
for(i=0;i<=9;i++)
spiSendByte(0xff);
mmc_error = MMC_SUCCESS;
return (mmc_GoIdle());
}
// Initialize MMC card
//set DI and CS high and apply more than 74 pulses to SCLK
char initMMC (void){
int i;
CS_HIGH(); //sey CS high
for(i=0;i<11;i++)
spiSendByte(0xff);//set DI high with ff (10 times)
return (mmc_GoIdle());
}
