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Diffstat (limited to 'nuttx/configs/pic32-starterkit/README.txt')
| -rw-r--r-- | nuttx/configs/pic32-starterkit/README.txt | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/nuttx/configs/pic32-starterkit/README.txt b/nuttx/configs/pic32-starterkit/README.txt index d9a562fe1..e2c625419 100644 --- a/nuttx/configs/pic32-starterkit/README.txt +++ b/nuttx/configs/pic32-starterkit/README.txt @@ -469,40 +469,36 @@ Creating Compatible NuttX HEX files directory: 1) nuttx - This is an ELF file, and - 2) nuttx.ihx - This is an Intel Hex format file. This is controlled by + 2) nuttx.hex - This is an Intel Hex format file. This is controlled by the setting CONFIG_INTELHEX_BINARY in the .config file. - However, there are two problems with the generated nutt.ihx: - - 1) The tool expects Intel Hex format files to be named *.hex. This - is not a significant issue. However, just renaming the file to - nuttx.hex is *not* sufficient. There is another problem: - 2) The tool expects the nuttx.hex file to contain physical addresses. - But the nuttx.ihx file generated from the top-level make will have - address in the KSEG0 and KSEG1 regions. + The PICkit tool wants an Intel Hex format file to burn into FLASH. However, + there is a problem with the generated nutt.hex: The tool expects the nuttx.hex + file to contain physical addresses. But the nuttx.hex file generated from the + top-level make will have address in the KSEG0 and KSEG1 regions. tools/mkpichex: --------------- There is a simple tool in the configs/pic32-starterkit/tools directory - that can be used to solve both issues with the nuttx.ihx file. But, + that can be used to solve both issues with the nuttx.hex file. But, first, you must build the the tools: cd configs/pic32-starterkit/tools make Now you will have an excecutable file call mkpichex (or mkpichex.exe on - Cygwin). This program will take the nutt.ihx file as an input, it will + Cygwin). This program will take the nutt.hex file as an input, it will convert all of the KSEG0 and KSEG1 addresses to physical address, and - it will write the modified file as nuttx.hex. + it will write the modified file, replacing the original nuttx.hex. To use this file, you need to do the following things: . ./setenv.sh # Source setenv.sh. Among other this, this script # will add configs/pic32-starterkit/tools to your # PATH variable - make # Build nuttx and nuttx.ihx - mkpichex $PWD # Convert nuttx.ihx to nuttx.hex. $PWD is the path + make # Build nuttx and nuttx.hex + mkpichex $PWD # Convert addresses in nuttx.hex. $PWD is the path # to the top-level build directory. It is the only # required input to mkpichex. |