int sd_getRelativeAddr(Sd *sd);
int sd_selectCard(Sd *sd);
+int sd_deSelectCard(Sd *sd);
int sd_setBusWidth(Sd *sd, size_t len);
int sd_set_BlockLen(Sd *sd, size_t len);
+int sd_readSingleBlock(Sd *sd, size_t index, void *_buf, size_t len);
+
+
INLINE int sd_setBus4bit(Sd *sd)
{
return sd_setBusWidth(sd, 1);