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Allow use of a custom startup file#353
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Syntax in the board.txt:xxx.build.startup_file=-DCUSTOM_STARTUP_FILEExample to use a custom startup file for Nucleo_L476RG: Nucleo_64.menu.pnum.NUCLEO_L476RG.build.startup_file=-DCUSTOM_STARTUP_FILEThen add a "*.S" file in the "variant/NUCLEO_L476RG/" folderImportant note: extension must be '.S' not '.s'CUSTOM_STARTUP_FILE could also be defined thanks the build_opt.h.CMSIS_STARTUP_FILE could now be overridden using the build_opt.h, ex:-DCMSIS_STARTUP_FILE=\"startup_stm32l476xx.s\"Signed-off-by: Frederic.Pillon <frederic.pillon@st.com>
xC0000005 approved these changesOct 9, 2018
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This solution works perfectly well for what I need. I do have one question - how would a board set its startup file in the boards.txt? Is there an example?
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xC0000005 commentedOct 9, 2018
I see now how to set it. Thanks. |
benwaffle pushed a commit to benwaffle/Arduino_Core_STM32 that referenced this pull requestApr 10, 2019
Allow use of a custom startup file
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Syntax in the board.txt:
xxx.build.startup_file=-DCUSTOM_STARTUP_FILEExample to use a custom startup file for Nucleo_L476RG:
Nucleo_64.menu.pnum.NUCLEO_L476RG.build.startup_file=-DCUSTOM_STARTUP_FILEThen add a "*.S" file in the "variant/NUCLEO_L476RG/" folder
Important note: extension must be '.S' not '.s'
CUSTOM_STARTUP_FILEcould also be defined thanks the build_opt.h.CMSIS_STARTUP_FILEcould now be overridden using the build_opt.h, ex:-DCMSIS_STARTUP_FILE=\"startup_stm32l476xx.s\"Fix#352