Subversion Repositories ao486

 
#include <stdio.h>
#include <system.h>
#include <io.h>
 
int main() {
 
	volatile unsigned char buf[512];
 
	int status = IORD(SD_CARD_0_BASE, 0);
 
	printf("SD card status: %d\n", status);
 
	memset(buf, 0, sizeof(buf));
 
	IOWR(SD_CARD_0_BASE, 0, buf);
	IOWR(SD_CARD_0_BASE, 1, 0);
	IOWR(SD_CARD_0_BASE, 2, 1);
	IOWR(SD_CARD_0_BASE, 3, 2); //read
 
	while(1) {
		status = IORD(SD_CARD_0_BASE, 0);
		printf("SD card status for read: %d\n", status);
 
		if(status == 2) break;
	}
 
	int i;
	for(i=0; i<512; i++) {
		if(i > 0 && (i%32) == 0) printf("\n");
 
		printf("%02x ", buf[i]);
	}
	printf("\n");
 
	for(i=0; i<512; i++) if(buf[i] != (unsigned char)i) printf("Not Equal: %d\n", i);
 
	for(i=0; i<512; i++) buf[i] = i;
 
	IOWR(SD_CARD_0_BASE, 0, buf);
	IOWR(SD_CARD_0_BASE, 1, 0);
	IOWR(SD_CARD_0_BASE, 2, 1);
	IOWR(SD_CARD_0_BASE, 3, 3); //write
 
	while(1) {
		status = IORD(SD_CARD_0_BASE, 0);
		printf("SD card status for write: %d\n", status);
 
		if(status == 2) break;
	}
 
 
	return 0;
}