Use a temporary variable for the Printer bootloader HEX parser when combining the...

[pub/USBasp.git] / Bootloaders / Printer / BootloaderPrinter.c

diff --git a/Bootloaders/Printer/BootloaderPrinter.c b/Bootloaders/Printer/BootloaderPrinter.c
index fba323c..5d4a89b 100644 (file)
--- a/Bootloaders/Printer/BootloaderPrinter.c
+++ b/Bootloaders/Printer/BootloaderPrinter.c
@@ -189,6 +189,9 @@ static void ParseIntelHEXByte(const char ReadCharacter)
                                break;
                        }
 
                                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:
                        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 */
                                        }
 
                                        /* 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 */
                                        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 */
 
                                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 */
                                        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;
                        }
 
                                        break;
                        }