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Diffstat (limited to 'nuttx/configs/stm32f4discovery/README.txt')
| -rw-r--r-- | nuttx/configs/stm32f4discovery/README.txt | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt index e4ed26253..9df06c9d1 100644 --- a/nuttx/configs/stm32f4discovery/README.txt +++ b/nuttx/configs/stm32f4discovery/README.txt @@ -1156,6 +1156,50 @@ Where <subdir> is one of the following: nuttx.hex - The pass2 Intel HEX file (selected in defconfig) System.map - Symbols in the kernel-space ELF file + 4. Combining .hex files. If you plan to use the STM32 ST-Link Utility to + load the .hex files into FLASH, then you need to combine the two hex + files into a single .hex file. Here is how you can do that. + + a. The 'tail' of the nuttx.hex file should look something like this + (with my comments added): + + $ tail nuttx.hex + # 00, data records + ... + :10 9DC0 00 01000000000800006400020100001F0004 + :10 9DD0 00 3B005A0078009700B500D400F300110151 + :08 9DE0 00 30014E016D0100008D + # 05, Start Linear Address Record + :04 0000 05 0800 0419 D2 + # 01, End Of File record + :00 0000 01 FF + + Use an editor such as vi to remove the 05 and 01 records. + + b. The 'head' of the nuttx_user.hex file should look something like + this (again with my comments added): + + $ head nuttx_user.hex + # 04, Extended Linear Address Record + :02 0000 04 0801 F1 + # 00, data records + :10 8000 00 BD89 01084C800108C8110208D01102087E + :10 8010 00 0010 00201C1000201C1000203C16002026 + :10 8020 00 4D80 01085D80010869800108ED83010829 + ... + + Nothing needs to be done here. The nuttx_user.hex file should + be fine. + + c. Combine the edited nuttx.hex and un-edited nuttx_user.hex + file to produce a single combined hex file: + + $ cat nuttx.hex nuttx_user.hex >combined.hex + + Then use the combined.hex file with the STM32 ST-Link tool. If + you do this a lot, you will probably want to invest a little time + to develop a tool to automate these steps. + nsh: --- Configures the NuttShell (nsh) located at apps/examples/nsh. The |