pw_board_led: Add module
* Adds the STM32F429I-DSIC1 upstream Pigweed target.
* Adds the pw_board_led facade and two backends.
* Fixes pw_trace-related warnings.
Adds the pw_board_led facade and backend implementations for Teensy3/4
and the STM32F429I-DISC1.
Change-Id: I42d8a4142d67e2653217805631fbba29ed596e34
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/23440
Reviewed-by: Anthony DiGirolamo <tonymd@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Commit-Queue: Armando Montanez <amontanez@google.com>
diff --git a/targets/stm32f429i-disc1/BUILD.gn b/targets/stm32f429i-disc1/BUILD.gn
new file mode 100644
index 0000000..2468b41
--- /dev/null
+++ b/targets/stm32f429i-disc1/BUILD.gn
@@ -0,0 +1,22 @@
+# Copyright 2020 The Pigweed Authors
+#
+# 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
+#
+# https://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.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pw_toolchain/generate_toolchain.gni")
+import("target_toolchains.gni")
+
+generate_toolchains("toolchains") {
+ toolchains = toolchains_list
+}
