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https://github.com/Telecominfraproject/OpenCellular.git
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c9e71277b4
Wire up the discovery's four LEDs and one user button as GPIOs that can be written and read using the new USB GPIO driver. This also adds an extra tool called usb_gpio that provides control of GPIOs from the linux command line. Signed-off-by: Anton Staaf <robotboy@chromium.org> BRANCH=None BUG=None TEST=cd board/discovery-stm32f072 ; make flash cd extra/usb_gpio ; make usb_gpio write 0x1e 0x00 Change-Id: I15115f82b15b6c35d1a34b83b7114a6bfa6a3d67 Reviewed-on: https://chromium-review.googlesource.com/218270 Reviewed-by: Anton Staaf <robotboy@chromium.org> Commit-Queue: Anton Staaf <robotboy@chromium.org> Tested-by: Anton Staaf <robotboy@chromium.org>
35 lines
746 B
Makefile
35 lines
746 B
Makefile
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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PROGRAM := usb_gpio
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SOURCE := $(PROGRAM).c
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LIBS :=
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LFLAGS :=
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CFLAGS := -std=gnu99 \
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-g3 \
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-O3 \
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-Wall \
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-Werror \
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-Wpointer-arith \
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-Wcast-align \
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-Wcast-qual \
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-Wundef \
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-Wsign-compare \
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-Wredundant-decls \
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-Wmissing-declarations
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#
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# Add libusb-1.0 required flags
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#
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LIBS += $(shell pkg-config --libs libusb-1.0)
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CFLAGS += $(shell pkg-config --cflags libusb-1.0)
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$(PROGRAM): $(SOURCE) Makefile
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gcc $(CFLAGS) $(SOURCE) $(LFLAGS) $(LIBS) -o $@
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.PHONY: clean
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clean:
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rm -rf $(PROGRAM) *~
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