diff options
Diffstat (limited to 'backends/platform/ds/arm9/source/fat/io_mpcf.c')
| -rw-r--r-- | backends/platform/ds/arm9/source/fat/io_mpcf.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/backends/platform/ds/arm9/source/fat/io_mpcf.c b/backends/platform/ds/arm9/source/fat/io_mpcf.c index a12b6e8e1e..6b56e29291 100644 --- a/backends/platform/ds/arm9/source/fat/io_mpcf.c +++ b/backends/platform/ds/arm9/source/fat/io_mpcf.c @@ -73,7 +73,7 @@ MPCF_IsInserted Is a compact flash card inserted? bool return OUT: true if a CF card is inserted -----------------------------------------------------------------*/ -bool MPCF_IsInserted (void) +bool MPCF_IsInserted (void) { // Change register, then check if value did change MP_REG_STS = CF_STS_INSERTED; @@ -86,17 +86,17 @@ MPCF_ClearStatus Tries to make the CF card go back to idle mode bool return OUT: true if a CF card is idle -----------------------------------------------------------------*/ -bool MPCF_ClearStatus (void) +bool MPCF_ClearStatus (void) { int i; - + // Wait until CF card is finished previous commands i=0; while ((MP_REG_CMD & CF_STS_BUSY) && (i < CARD_TIMEOUT)) { i++; } - + // Wait until card is ready for commands i = 0; while ((!(MP_REG_STS & CF_STS_INSERTED)) && (i < CARD_TIMEOUT)) @@ -139,7 +139,7 @@ bool MPCF_ReadSectors (u32 sector, u8 numSecs, void* buffer) { i++; } - + // Wait until card is ready for commands i = 0; while ((!(MP_REG_STS & CF_STS_INSERTED)) && (i < CARD_TIMEOUT)) @@ -148,20 +148,20 @@ bool MPCF_ReadSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Set number of sectors to read - MP_REG_SEC = numSecs; - + MP_REG_SEC = numSecs; + // Set read sector MP_REG_LBA1 = sector & 0xFF; // 1st byte of sector number MP_REG_LBA2 = (sector >> 8) & 0xFF; // 2nd byte of sector number MP_REG_LBA3 = (sector >> 16) & 0xFF; // 3rd byte of sector number MP_REG_LBA4 = ((sector >> 24) & 0x0F )| CF_CMD_LBA; // last nibble of sector number - + // Set command to read MP_REG_CMD = CF_CMD_READ; - - + + while (j--) { // Wait until card is ready for reading @@ -172,7 +172,7 @@ bool MPCF_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 MPCF_ReadSectors (u32 sector, u8 numSecs, void* buffer) } } else { while(i--) - *buff++ = *MP_DATA; + *buff++ = *MP_DATA; } #else i=256; while(i--) - *buff++ = *MP_DATA; + *buff++ = *MP_DATA; #endif } #if (defined _CF_USE_DMA) && (defined NDS) @@ -229,7 +229,7 @@ bool MPCF_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 @@ -240,7 +240,7 @@ bool MPCF_WriteSectors (u32 sector, u8 numSecs, void* buffer) { i++; } - + // Wait until card is ready for commands i = 0; while ((!(MP_REG_STS & CF_STS_INSERTED)) && (i < CARD_TIMEOUT)) @@ -249,19 +249,19 @@ bool MPCF_WriteSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Set number of sectors to write - MP_REG_SEC = numSecs; - + MP_REG_SEC = numSecs; + // Set write sector MP_REG_LBA1 = sector & 0xFF; // 1st byte of sector number MP_REG_LBA2 = (sector >> 8) & 0xFF; // 2nd byte of sector number MP_REG_LBA3 = (sector >> 16) & 0xFF; // 3rd byte of sector number MP_REG_LBA4 = ((sector >> 24) & 0x0F )| CF_CMD_LBA; // last nibble of sector number - + // Set command to write MP_REG_CMD = CF_CMD_WRITE; - + while (j--) { // Wait until card is ready for writing @@ -272,7 +272,7 @@ bool MPCF_WriteSectors (u32 sector, u8 numSecs, void* buffer) } if (i >= CARD_TIMEOUT) return false; - + // Write data #ifdef _CF_USE_DMA #ifdef NDS @@ -294,19 +294,19 @@ bool MPCF_WriteSectors (u32 sector, u8 numSecs, void* buffer) } } else { while(i--) - *MP_DATA = *buff++; + *MP_DATA = *buff++; } #else i=256; while(i--) - *MP_DATA = *buff++; + *MP_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; } @@ -314,7 +314,7 @@ bool MPCF_WriteSectors (u32 sector, u8 numSecs, void* buffer) MPCF_Shutdown unload the GBAMP CF interface -----------------------------------------------------------------*/ -bool MPCF_Shutdown(void) +bool MPCF_Shutdown(void) { return MPCF_ClearStatus() ; } |