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author | Dean Camera <dean@fourwalledcubicle.com> | 2013-03-06 19:48:27 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2013-03-06 19:48:27 +0000 |
commit | 7d4062fa54461c92ab2df02d630b33f672378780 (patch) | |
tree | d6ef24fbad6456546ecc63d248db535ad9a9f6d0 /Bootloaders/Printer/BootloaderPrinter.c | |
parent | 2e7fc37ad25448a3652d18a3d38c5151fd8e0db7 (diff) | |
download | lufa-7d4062fa54461c92ab2df02d630b33f672378780.tar.gz lufa-7d4062fa54461c92ab2df02d630b33f672378780.tar.bz2 lufa-7d4062fa54461c92ab2df02d630b33f672378780.zip |
Use a temporary variable for the Printer bootloader HEX parser when combining the current and previous data tokens to form a data word, to simplify the code.
Diffstat (limited to 'Bootloaders/Printer/BootloaderPrinter.c')
-rw-r--r-- | Bootloaders/Printer/BootloaderPrinter.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Bootloaders/Printer/BootloaderPrinter.c b/Bootloaders/Printer/BootloaderPrinter.c index fba323c2b..5d4a89bd3 100644 --- a/Bootloaders/Printer/BootloaderPrinter.c +++ b/Bootloaders/Printer/BootloaderPrinter.c @@ -189,6 +189,9 @@ static void ParseIntelHEXByte(const char ReadCharacter) break; } + /* Convert the last two received data bytes into a 16-bit word */ + uint16_t NewDataWord = ((uint16_t)HEXParser.Data << 8) | HEXParser.PrevData; + switch (HEXParser.RecordType) { case HEX_RECORD_TYPE_Data: @@ -204,7 +207,7 @@ static void ParseIntelHEXByte(const char ReadCharacter) } /* Fill the FLASH memory buffer with the new word of data */ - boot_page_fill(HEXParser.CurrAddress, ((uint16_t)HEXParser.Data << 8) | HEXParser.PrevData); + boot_page_fill(HEXParser.CurrAddress, NewDataWord); HEXParser.CurrAddress += 2; /* Flush the FLASH page to physical memory if we are crossing a page boundary */ @@ -222,12 +225,12 @@ static void ParseIntelHEXByte(const char ReadCharacter) case HEX_RECORD_TYPE_ExtendedSegmentAddress: /* Extended address data - store the upper 12-bits of the new address */ - HEXParser.CurrBaseAddress = (((uint32_t)HEXParser.PrevData << 8) | HEXParser.Data) << 4; + HEXParser.CurrBaseAddress = ((uint32_t)NewDataWord << 4); break; case HEX_RECORD_TYPE_ExtendedLinearAddress: /* Extended address data - store the upper 16-bits of the new address */ - HEXParser.CurrBaseAddress = (((uint32_t)HEXParser.PrevData << 8) | HEXParser.Data) << 16; + HEXParser.CurrBaseAddress = ((uint32_t)NewDataWord << 16); break; } |