Lpc2000

change these in your code

S0SPCCR=8;
S0SPCR=0x30;

Make sure the hardware CS pin of SPI is connected to VCC

look at the schematics on our website

www.ghielectronics.com

Gus
  
--- In lpc2000@yahoogroups.com, "Sunil Jha" <jha0574@y...> wrote:
> Hi Atanas,
>    I am trying to initialize my Mini SD memory card in SPI mode 
> using LPC2129, but after lots of effort not able to do so. The SPI 
> bus is working with another SPI IC, i have tested it before 
> connecting to memory. I have incorporated corrections - Pull SSEL 
to 
> high and use another GPIO as SSEL.Every time i am getting response 
> 0xFF from memory. Below is my code:
> -------------------------------------------------------------------
--
> void init_SPI0 (void)
> {
> 	PINSEL0 		|= 	0x00005500;		
> 	//Enable SPI0 pins
> 	IODIR0 			|= 	0x00000001;		
> 	//Enable Chipselect pin as output
> 	
> 	S0SPCCR			=	0x0000001E;		
> 	//Set bit timing  PCLK/30
> 	S0SPCR   		=	0x000000A0;		
> 	//Configure as SPI Master interrupts enabled
> 
> 	IOSET0 	|= 	CS;		//Pull Chipselect high
> 	
> }
> 
> void init_memory(void)
> {
> 	unsigned char txstatus, byteread;
> 
>         IOCLR0 	|= 	CS;		//Pull Chipselect low
> 	
> 	S0SPDR = 0x40;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('+');
> 	txstatus = S0SPSR;
> 	S0SPDR;
> 	sprintf(str,"Transmit Status 0x40 %x\n",txstatus);
> 	putstr(str);
> 
> 	S0SPDR = 0x00;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('+');
> 	txstatus = S0SPSR;
> 	S0SPDR;
> 	sprintf(str,"Transmit Status 0x00 %x\n",txstatus);
> 	putstr(str);
> 
> 	S0SPDR = 0x00;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('+');
> 	txstatus = S0SPSR;
> 	S0SPDR;
> 	sprintf(str,"Transmit Status 0x00 %x\n",txstatus);
> 	putstr(str);
> 
> 	S0SPDR = 0x00;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('+');
> 	txstatus = S0SPSR;
> 	S0SPDR;
> 	sprintf(str,"Transmit Status 0x00 %x\n",txstatus);
> 	putstr(str);
> 
> 	S0SPDR = 0x00;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('+');
> 	txstatus = S0SPSR;
> 	S0SPDR;
> 	sprintf(str,"Transmit Status 0x00 %x\n",txstatus);
> 	putstr(str);
> 
> 	S0SPDR = 0x95;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('+');
> 	txstatus = S0SPSR;
> 	S0SPDR;
> 	sprintf(str,"Transmit Status 0x95 %x\n",txstatus);
> 	putstr(str);
> 	
> 	S0SPDR = 0xFF;
> 	while (!(S0SPSR & 0x80)) 
> 		putchar('.');;
> 	txstatus = S0SPSR;
> 	byteread = S0SPDR;
> 	sprintf(str,"Byte Read %x\n",byteread);
> 	putstr(str);
> }
> -----------------------------------------------------------------
> 
> If you have acheived this can you please help me in getting my 
card 
> initialized for SPI mode?
> 
> regards,
> Sunil
> 
> --- In lpc2000@yahoogroups.com, "Atanas Tulbenski" <top4e@y...> 
> wrote:
> > 
> >  I'm using SD card with LPC2124. At first I used software SPI 
and 
> > everything was fine. When I start using hardware SPI got 
problem. 
> The 
> > SD card initializes, I can read serial numbers, but I cant read 
> data 
> > using CMD17. The card returns error code 0x04 "ilegal command". 
> Any 
> > sugestions?