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bazel_stm32

Example / template STM32 HAL projects built with Bazel (using bazel_arm_toolchains).

In another life I've reimplemented the HAL, but couldn't bring myself to do it again (even if open-source). But, I still wanted to use Bazel with a sensible and documented startup configuration. Hopefully these examples provide that.

C and C++ projects are supported.

In particular, you might be interested in how the F7 HAL is incorporated into Bazel from ST's STM32CubeF7 repo. Some interesting aspects:

  • third_party/stm32cubef7.BUILD -- BUILD file for external repo
  • third_party/stm32cubef7.bzl -- hal_library macro for creating project specific HAL library
  • bare_metal/BUILD -- Contains //bare_metal:main.elf showing how complete embedded target is built.

To build the bare_metal project:

bazel build --config=m7 //bare_metal:main.elf