prep one file firmware esp32

For easy initial flashing. Flashing at address 0x0 with esptool.py
Generated in folder `.pio..../firmware-factory.bin` (Not used at the moment!)

## Checklist:
  - [x] The pull request is done against the latest development branch
  - [x] Only relevant files were touched
  - [x] Only one feature/fix was added per PR and the code change compiles without warnings
  - [x] The code change is tested and works with Tasmota core ESP8266 V.2.7.4.9
  - [x] The code change is tested and works with Tasmota core ESP32 V.2.0.2
  - [x] I accept the [CLA](https://github.com/arendst/Tasmota/blob/development/CONTRIBUTING.md#contributor-license-agreement-cla).

_NOTE: The code change must pass CI tests. **Your PR cannot be merged unless tests pass**_
This commit is contained in:
Jason2866 2022-01-02 15:14:54 +01:00 committed by GitHub
parent 80c9ee0f0b
commit 811d140124
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 31 additions and 0 deletions

30
pio-tools/post_esp32.py Normal file
View File

@ -0,0 +1,30 @@
# From: https://github.com/letscontrolit/ESPEasy/blob/mega/tools/pio/post_esp32.py
# Thanks TD-er :)
Import("env")
def esp32_create_factory_bin(source, target, env):
#print("Generating one file initial flash firmware for esp32 units")
offset = 0x0
new_file_name = env.subst("$BUILD_DIR/${PROGNAME}-factory.bin")
sections = env.subst(env.get('FLASH_EXTRA_IMAGES'))
new_file = open(new_file_name,"wb")
print(" {} | {}".format("Offset", "File"))
for section in sections:
sect_adr,sect_file = section.split(" ",1)
print(" - {} | {}".format(sect_adr,sect_file))
source = open(sect_file,"rb")
new_file.seek(int(sect_adr,0)-offset)
new_file.write(source.read());
source.close()
firmware_name = env.subst("$BUILD_DIR/${PROGNAME}.bin")
firmware_start = 0x10000-offset
firmware = open(firmware_name,"rb")
print(" - {} | {}".format(hex(firmware_start),firmware_name))
new_file.seek(firmware_start)
new_file.write(firmware.read())
new_file.close()
firmware.close()
env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_create_factory_bin)

View File

@ -31,6 +31,7 @@ build_flags = ${esp_defaults.build_flags}
; wrappers for the crash-recorder
-Wl,--wrap=panicHandler -Wl,--wrap=xt_unhandled_exception
extra_scripts = pre:pio-tools/add_c_flags.py
post:pio-tools/post_esp32.py
${esp_defaults.extra_scripts}
[core32]