generate CMake source package of HAL on release

.github/workflows/release.yaml

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+name: Release
+permissions:
+  contents: write
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Create build environment
+        run: cmake -E make_directory build
+      - name: Configure
+        working-directory: build/
+        run: cmake $GITHUB_WORKSPACE
+      - name: Package source code
+        working-directory: build/
+        run: cmake --build . --target stm32f4xx-hal_package
+
+      - name: Add packaged source code to release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: build/stm32f4xx-hal-src.zip
+          tag: ${{ github.ref }}

.gitignore

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+# ignore
+/build

CMakeLists.txt

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+#******************************************************************************
+#   Copyright 2020 Embedded Office GmbH & Co. KG
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#******************************************************************************
+
+#---
+# Preamble
+#
+cmake_minimum_required(VERSION 3.20)     # buildPresets is introduced in 3.20
+project(stm32f4xx-hal)
+
+#---
+# Target exported by this project as 'stm32f4xx-hal'
+#
+# You must configure the HAL with some cached variables in your project:
+# - STM_HAL_CONF_DIR        : [path]    directory which holds the configuration: stm32f4xx_hal_conf.h
+# - STM_HAL_DEVICE          : [string]  select a supported compiler definition (e.g. 'STM32F429xx')
+# - STM_USE_HAL_DRIVER      : [boolean] true = set compiler definition 'USE_HAL_DRIVER'
+# - STM_USE_FULL_LL_DRIVER  : [boolean] true = set compiler definition 'USE_FULL_LL_DRIVER'
+# - STM_USE_FULL_ASSERT     : [bbolean] true = set compiler definition 'USE_FULL_ASSERT'
+add_subdirectory(Drivers)
+
+#---
+# This is needed only if we are the top level project
+#
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+
+  # Setup target which creates a source package for efficient usage with Cmake CPM/FetchContent
+  set(package_files
+    Drivers/CMSIS/Device
+    Drivers/CMSIS/Include
+    Drivers/STM32F4xx_HAL_Driver
+    Drivers/CMakeLists.txt
+    CMakeLists.txt
+    LICENSE.md
+  )
+  add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-src.zip
+    COMMAND ${CMAKE_COMMAND} -E tar c ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-src.zip --format=zip -- ${package_files}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    DEPENDS ${package_files}
+  )
+  add_custom_target(${PROJECT_NAME}_package DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-src.zip)
+
+endif()

Drivers/CMakeLists.txt

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+#******************************************************************************
+#   Copyright 2020 Embedded Office GmbH & Co. KG
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#******************************************************************************
+
+add_library(stm32f4xx-hal)
+
+target_sources(stm32f4xx-hal
+  PRIVATE
+    STM32F4xx_HAL_Driver/src/Legacy/stm32f4xx_hal_can.c
+    STM32F4xx_HAL_Driver/src/Legacy/stm32f4xx_hal_eth.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_adc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_adc_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_can.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_cec.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_cortex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_crc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_cryp.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_cryp_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dac.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dac_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dcmi.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dcmi_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dfsdm.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dma.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dma2d.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dma_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_dsi.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_eth.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_exti.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_flash.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_flash_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_flash_ramfunc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_fmpi2c.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_fmpi2c_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_fmpsmbus.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_fmpsmbus_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_gpio.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_hash.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_hash_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_hcd.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_i2c.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_i2c_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_i2s.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_i2s_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_irda.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_iwdg.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_lptim.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_ltdc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_ltdc_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_mmc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_msp_template.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_nand.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_nor.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_pccard.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_pcd.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_pcd_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_pwr.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_pwr_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_qspi.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_rcc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_rcc_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_rng.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_rtc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_rtc_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_sai.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_sai_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_sd.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_sdram.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_smartcard.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_smbus.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_spdifrx.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_spi.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_sram.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_tim.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_timebase_rtc_alarm_template.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_timebase_rtc_wakeup_template.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_timebase_tim_template.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_tim_ex.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_uart.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_usart.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_hal_wwdg.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_adc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_crc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_dac.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_dma.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_dma2d.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_exti.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_fmc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_fmpi2c.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_fsmc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_gpio.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_i2c.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_lptim.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_pwr.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_rcc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_rng.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_rtc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_sdmmc.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_spi.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_tim.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_usart.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_usb.c
+    STM32F4xx_HAL_Driver/src/stm32f4xx_ll_utils.c
+)
+
+target_include_directories(stm32f4xx-hal
+  PUBLIC
+    CMSIS/Include
+    CMSIS/Device/ST/STM32F4xx/Include
+    STM32F4xx_HAL_Driver/Inc
+    STM32F4xx_HAL_Driver/Inc/Legacy
+    ${STM_HAL_CONF_DIR}
+)
+
+if (${STM_USE_HAL_DRIVER})
+  target_compile_definitions(stm32f4xx-hal PUBLIC USE_HAL_DRIVER)
+endif()
+if (${STM_USE_FULL_LL_DRIVER})
+  target_compile_definitions(stm32f4xx-hal PUBLIC USE_FULL_LL_DRIVER)
+endif()
+if (${STM_USE_FULL_ASSERT})
+  target_compile_definitions(stm32f4xx-hal PUBLIC USE_FULL_ASSERT)
+endif()
+target_compile_definitions(stm32f4xx-hal PUBLIC ${STM_HAL_DEVICE})