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SD-card / ersky9x corrections

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bsongis
2012-06-19 09:18:20 +00:00
parent 471f294f07
commit 6314541f66
1 changed files with 4 additions and 6 deletions
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src/ersky9x/diskio.c
+4 -6
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@@ -598,11 +598,10 @@ uint32_t sd_read_block( uint32_t block_no, uint32_t *dat )
uint32_t j = 0;
// Block size = 512, nblocks = 1
phsmci->HSMCI_BLKR = ((512) << 16) | 1;
phsmci->HSMCI_MR = (phsmci->HSMCI_MR & (~(HSMCI_MR_BLKLEN_Msk|HSMCI_MR_PDCMODE|HSMCI_MR_FBYTE))) | HSMCI_MR_WRPROOF | HSMCI_MR_RDPROOF | (512 << 16);
phsmci->HSMCI_ARGR = block_no << 9;
phsmci->HSMCI_CMDR = SD_READ_SINGLE_BLOCK;
phsmci->HSMCI_MR &= ~HSMCI_MR_PDCMODE;
phsmci->HSMCI_MR |= (512 << 16);
while (1) {
if (phsmci->HSMCI_SR & HSMCI_SR_RXRDY) {
*data++ = phsmci->HSMCI_RDR;
@@ -632,11 +631,10 @@ uint32_t sd_write_block( uint32_t block_no, uint32_t *data )
if (CardIsConnected()) {
// Block size = 512, nblocks = 1
phsmci->HSMCI_BLKR = ((512) << 16) | 1;
phsmci->HSMCI_MR = (phsmci->HSMCI_MR & (~(HSMCI_MR_BLKLEN_Msk|HSMCI_MR_PDCMODE|HSMCI_MR_FBYTE))) | HSMCI_MR_WRPROOF | HSMCI_MR_RDPROOF | (512 << 16);
phsmci->HSMCI_ARGR = block_no << 9;
phsmci->HSMCI_CMDR = SD_WRITE_SINGLE_BLOCK;
phsmci->HSMCI_MR &= ~(HSMCI_MR_WRPROOF | HSMCI_MR_RDPROOF | HSMCI_MR_BLKLEN_Msk | HSMCI_MR_PDCMODE);
phsmci->HSMCI_MR |= (512 << 16);
while (1) {
if (j >= 128) {
while (~phsmci->HSMCI_SR & HSMCI_SR_NOTBUSY)