X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/68c317c4e9b54843fdafa5b0ab1eb19e8ffc37c3..31d3984d8d8afeed7b1e064428b01e42fe27f2f9:/Bootloaders/MassStorage/Lib/VirtualFAT.c?ds=sidebyside diff --git a/Bootloaders/MassStorage/Lib/VirtualFAT.c b/Bootloaders/MassStorage/Lib/VirtualFAT.c index 024c4a6f0..e0541f436 100644 --- a/Bootloaders/MassStorage/Lib/VirtualFAT.c +++ b/Bootloaders/MassStorage/Lib/VirtualFAT.c @@ -75,7 +75,7 @@ static const FATBootBlock_t BootBlock = static FATDirectoryEntry_t FirmwareFileEntries[2] = { /* Root volume label entry; disk label is contained in the Filename and - * Extension fields (concantenated) with a special attribute flag - other + * Extension fields (concatenated) with a special attribute flag - other * fields are ignored. Should be the same as the label in the boot block. */ { @@ -151,26 +151,28 @@ static void WriteVirtualBlock(const uint16_t BlockNumber) if ((BlockNumber >= 4) && (BlockNumber < (4 + FILE_SECTORS(FIRMWARE_FILE_SIZE_BYTES)))) { + #if (FLASHEND > 0xFFFF) uint32_t WriteFlashAddress = (uint32_t)(BlockNumber - 4) * SECTOR_SIZE_BYTES; + #else + uint16_t WriteFlashAddress = (uint16_t)(BlockNumber - 4) * SECTOR_SIZE_BYTES; + #endif for (uint16_t i = 0; i < SECTOR_SIZE_BYTES; i += 2) { if ((WriteFlashAddress % SPM_PAGESIZE) == 0) { /* Erase the given FLASH page, ready to be programmed */ - boot_page_erase(WriteFlashAddress); - boot_spm_busy_wait(); + BootloaderAPI_ErasePage(WriteFlashAddress); } /* Write the next data word to the FLASH page */ - boot_page_fill(WriteFlashAddress, (BlockBuffer[i + 1] << 8) | BlockBuffer[i]); + BootloaderAPI_FillWord(WriteFlashAddress, (BlockBuffer[i + 1] << 8) | BlockBuffer[i]); WriteFlashAddress += 2; if ((WriteFlashAddress % SPM_PAGESIZE) == 0) { /* Write the filled FLASH page to memory */ - boot_page_write(WriteFlashAddress - SPM_PAGESIZE); - boot_spm_busy_wait(); + BootloaderAPI_WritePage(WriteFlashAddress - SPM_PAGESIZE); } } } @@ -219,10 +221,17 @@ static void ReadVirtualBlock(const uint16_t BlockNumber) default: /* Blocks 4 onwards: Data allocation section */ if ((BlockNumber >= 4) && (BlockNumber < (4 + FILE_SECTORS(FIRMWARE_FILE_SIZE_BYTES)))) { + #if (FLASHEND > 0xFFFF) uint32_t ReadFlashAddress = (uint32_t)(BlockNumber - 4) * SECTOR_SIZE_BYTES; for (uint16_t i = 0; i < SECTOR_SIZE_BYTES; i++) BlockBuffer[i] = pgm_read_byte_far(ReadFlashAddress++); + #else + uint16_t ReadFlashAddress = (uint16_t)(BlockNumber - 4) * SECTOR_SIZE_BYTES; + + for (uint16_t i = 0; i < SECTOR_SIZE_BYTES; i++) + BlockBuffer[i] = pgm_read_byte(ReadFlashAddress++); + #endif } break; @@ -236,12 +245,10 @@ static void ReadVirtualBlock(const uint16_t BlockNumber) /** Writes a number of blocks to the virtual FAT file system, from the host * PC via the USB Mass Storage interface. * - * \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state - * \param[in] BlockAddress Data block starting address for the write sequence - * \param[in] TotalBlocks Number of blocks of data to write + * \param[in] BlockAddress Data block starting address for the write sequence + * \param[in] TotalBlocks Number of blocks of data to write */ -void VirtualFAT_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, - const uint32_t BlockAddress, +void VirtualFAT_WriteBlocks(const uint16_t BlockAddress, uint16_t TotalBlocks) { uint16_t CurrentBlock = (uint16_t)BlockAddress; @@ -255,12 +262,10 @@ void VirtualFAT_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, /** Reads a number of blocks from the virtual FAT file system, and sends them * to the host PC via the USB Mass Storage interface. * - * \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state - * \param[in] BlockAddress Data block starting address for the read sequence - * \param[in] TotalBlocks Number of blocks of data to read + * \param[in] BlockAddress Data block starting address for the read sequence + * \param[in] TotalBlocks Number of blocks of data to read */ -void VirtualFAT_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, - const uint32_t BlockAddress, +void VirtualFAT_ReadBlocks(const uint16_t BlockAddress, uint16_t TotalBlocks) { uint16_t CurrentBlock = (uint16_t)BlockAddress;