diff options
Diffstat (limited to 'backends/platform/ds/arm9/source/fat/io_m3cf.c')
| -rw-r--r-- | backends/platform/ds/arm9/source/fat/io_m3cf.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/backends/platform/ds/arm9/source/fat/io_m3cf.c b/backends/platform/ds/arm9/source/fat/io_m3cf.c index 910f01097e..968d83ae33 100644 --- a/backends/platform/ds/arm9/source/fat/io_m3cf.c +++ b/backends/platform/ds/arm9/source/fat/io_m3cf.c @@ -73,7 +73,7 @@ M3CF_IsInserted Is a compact flash card inserted? bool return OUT: true if a CF card is inserted -----------------------------------------------------------------*/ -bool M3CF_IsInserted (void) +bool M3CF_IsInserted (void) { // Change register, then check if value did change M3_REG_STS = CF_STS_INSERTED; @@ -86,17 +86,17 @@ M3CF_ClearStatus Tries to make the CF card go back to idle mode bool return OUT: true if a CF card is idle -----------------------------------------------------------------*/ -bool M3CF_ClearStatus (void) +bool M3CF_ClearStatus (void) { int i; - + // Wait until CF card is finished previous commands i=0; while ((M3_REG_CMD & CF_STS_BUSY) && (i < CARD_TIMEOUT)) { i++; } - + // Wait until card is ready for commands i = 0; while ((!(M3_REG_STS & CF_STS_INSERTED)) && (i < CARD_TIMEOUT)) @@ -128,7 +128,7 @@ bool M3CF_ReadSectors (u32 sector, u8 numSecs, void* buffer) u8 *buff_u8 = (u8*)buffer; int temp; #endif - + #if defined _CF_USE_DMA && defined NDS && defined ARM9 DC_FlushRange( buffer, j * BYTE_PER_READ); #endif @@ -139,7 +139,7 @@ bool M3CF_ReadSectors (u32 sector, u8 numSecs, void* buffer) { i++; } - + // Wait until card is ready for commands i = 0; while ((!(M3_REG_STS & CF_STS_INSERTED)) && (i < CARD_TIMEOUT)) @@ -148,20 +148,20 @@ bool M3CF_ReadSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Set number of sectors to read - M3_REG_SEC = numSecs; - + M3_REG_SEC = numSecs; + // Set read sector M3_REG_LBA1 = sector & 0xFF; // 1st byte of sector number M3_REG_LBA2 = (sector >> 8) & 0xFF; // 2nd byte of sector number M3_REG_LBA3 = (sector >> 16) & 0xFF; // 3rd byte of sector number M3_REG_LBA4 = ((sector >> 24) & 0x0F )| CF_CMD_LBA; // last nibble of sector number - + // Set command to read M3_REG_CMD = CF_CMD_READ; - - + + while (j--) { // Wait until card is ready for reading @@ -172,7 +172,7 @@ bool M3CF_ReadSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Read data #ifdef _CF_USE_DMA #ifdef NDS @@ -194,12 +194,12 @@ bool M3CF_ReadSectors (u32 sector, u8 numSecs, void* buffer) } } else { while(i--) - *buff++ = *M3_DATA; + *buff++ = *M3_DATA; } #else i=256; while(i--) - *buff++ = *M3_DATA; + *buff++ = *M3_DATA; #endif } #if defined _CF_USE_DMA && defined NDS @@ -230,7 +230,7 @@ bool M3CF_WriteSectors (u32 sector, u8 numSecs, void* buffer) u8 *buff_u8 = (u8*)buffer; int temp; #endif - + #if defined _CF_USE_DMA && defined NDS && defined ARM9 DC_FlushRange( buffer, j * BYTE_PER_READ); #endif @@ -241,7 +241,7 @@ bool M3CF_WriteSectors (u32 sector, u8 numSecs, void* buffer) { i++; } - + // Wait until card is ready for commands i = 0; while ((!(M3_REG_STS & CF_STS_INSERTED)) && (i < CARD_TIMEOUT)) @@ -250,19 +250,19 @@ bool M3CF_WriteSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Set number of sectors to write - M3_REG_SEC = numSecs; - + M3_REG_SEC = numSecs; + // Set write sector M3_REG_LBA1 = sector & 0xFF; // 1st byte of sector number M3_REG_LBA2 = (sector >> 8) & 0xFF; // 2nd byte of sector number M3_REG_LBA3 = (sector >> 16) & 0xFF; // 3rd byte of sector number M3_REG_LBA4 = ((sector >> 24) & 0x0F )| CF_CMD_LBA; // last nibble of sector number - + // Set command to write M3_REG_CMD = CF_CMD_WRITE; - + while (j--) { // Wait until card is ready for writing @@ -273,7 +273,7 @@ bool M3CF_WriteSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Write data #ifdef _CF_USE_DMA #ifdef NDS @@ -295,19 +295,19 @@ bool M3CF_WriteSectors (u32 sector, u8 numSecs, void* buffer) } } else { while(i--) - *M3_DATA = *buff++; + *M3_DATA = *buff++; } #else i=256; while(i--) - *M3_DATA = *buff++; + *M3_DATA = *buff++; #endif } #if defined _CF_USE_DMA && defined NDS // Wait for end of transfer before returning while(DMA3_CR & DMA_BUSY); #endif - + return true; } @@ -317,7 +317,7 @@ M3_Unlock Returns true if M3 was unlocked, false if failed Added by MightyMax -----------------------------------------------------------------*/ -bool M3_Unlock(void) +bool M3_Unlock(void) { // run unlock sequence volatile unsigned short tmp ; |