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make: add make command `print_flash_cmd`

This commit is contained in:
He Yin Ling 2017-10-10 10:51:08 +08:00
parent 4cb52e0a3d
commit 8ed14791d0
2 changed files with 6 additions and 8 deletions
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9
docs/api-guides/build-system.rst
View File

@ -592,14 +592,7 @@ To override the name of this file, set the ``SDKCONFIG_DEFAULTS`` environment va
Save flash arguments
--------------------
There're some scenarios that we want to flash the target board without IDF. For this case we want to save the built binaries, esptool.py and esptool write_flash arguments. It's simple to write a script to save binaries and esptool.py. For flash arguments, we can add the following code to application project makefile::
print_flash_cmd:
echo $(ESPTOOL_WRITE_FLASH_OPTIONS) $(ESPTOOL_ALL_FLASH_ARGS) | sed -e 's:'$(PWD)/build/'::g'
the original ESPTOOL_ALL_FLASH_ARGS are absolute file name. Usually we want to save relative file name so we can move the bin folder to somewhere else. For this case we can use ``sed`` to convert to relative file name, like what we did in the example above.
When running ``make print_flash_cmd``, it will print the flash arguments::
There're some scenarios that we want to flash the target board without IDF. For this case we want to save the built binaries, esptool.py and esptool write_flash arguments. It's simple to write a script to save binaries and esptool.py. We can use command ``make print_flash_cmd``, it will print the flash arguments::
--flash_mode dio --flash_freq 40m --flash_size detect 0x1000 bootloader/bootloader.bin 0x10000 example_app.bin 0x8000 partition_table_unit_test_app.bin

5
make/project.mk
View File

@ -38,6 +38,7 @@ help:
@echo "make app - Build just the app"
@echo "make app-flash - Flash just the app"
@echo "make app-clean - Clean just the app"
@echo "make print_flash_cmd - Print the arguments for esptool when flash"
@echo ""
@echo "See also 'make bootloader', 'make bootloader-flash', 'make bootloader-clean', "
@echo "'make partition_table', etc, etc."
@ -496,6 +497,10 @@ list-components:
$(info COMPONENT_PATHS (paths to all components):)
$(foreach cp,$(COMPONENT_PATHS),$(info $(cp)))
# print flash command, so users can dump this to config files and download somewhere without idf
print_flash_cmd:
echo $(ESPTOOL_WRITE_FLASH_OPTIONS) $(ESPTOOL_ALL_FLASH_ARGS) | sed -e 's:'$(PWD)/build/'::g'
# Check toolchain version using the output of xtensa-esp32-elf-gcc --version command.
# The output normally looks as follows
# xtensa-esp32-elf-gcc (crosstool-NG crosstool-ng-1.22.0-59-ga194053) 4.8.5