From 310a0a145a807706e68200be6cf28f18f6886fd0 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Sat, 15 Jun 2024 15:32:37 +0200
Subject: add arduino code for simulated sensor

---
 .gitmodules                         |  5 +++++
 arduino/.gitignore                  |  2 ++
 arduino/CMakeLists.txt              | 26 ++++++++++++++++++++++++++
 arduino/lib/Arduino-CMake-Toolchain |  1 +
 arduino/main.cpp                    | 14 ++++++++++++++
 arduino/makefile                    | 31 +++++++++++++++++++++++++++++++
 6 files changed, 79 insertions(+)
 create mode 100644 arduino/.gitignore
 create mode 100644 arduino/CMakeLists.txt
 create mode 160000 arduino/lib/Arduino-CMake-Toolchain
 create mode 100644 arduino/main.cpp
 create mode 100644 arduino/makefile

diff --git a/.gitmodules b/.gitmodules
index 3db31c7..1fecd11 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,3 +3,8 @@
 	url = https://github.com/beagleboard/linux
 	branch = v6.6.15-ti-rt-arm32-r1
 	shallow = true
+[submodule "arduino/lib/Arduino-CMake-Toolchain"]
+	path = arduino/lib/Arduino-CMake-Toolchain
+	url = https://github.com/a9183756-gh/Arduino-CMake-Toolchain
+	branch = e745a9bed3c3fb83442d55bf05630f31574674f2
+	shallow = true
diff --git a/arduino/.gitignore b/arduino/.gitignore
new file mode 100644
index 0000000..9785597
--- /dev/null
+++ b/arduino/.gitignore
@@ -0,0 +1,2 @@
+build
+.cache
diff --git a/arduino/CMakeLists.txt b/arduino/CMakeLists.txt
new file mode 100644
index 0000000..a8fa7aa
--- /dev/null
+++ b/arduino/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.29)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
+
+# enable debug features
+set(CMAKE_BUILD_TYPE Debug)
+
+# arduino
+set(CMAKE_TOOLCHAIN_FILE ${CMAKE_SOURCE_DIR}/lib/Arduino-CMake-Toolchain/Arduino-toolchain.cmake)
+set(ARDUINO_BOARD "Arduino Uno [avr.uno]")
+
+project(main C CXX)
+
+add_executable(main
+	main.cpp
+	)
+
+target_link_arduino_libraries(main
+	core
+	Wire
+	)
+
+target_enable_arduino_upload(main)
+
diff --git a/arduino/lib/Arduino-CMake-Toolchain b/arduino/lib/Arduino-CMake-Toolchain
new file mode 160000
index 0000000..e745a9b
--- /dev/null
+++ b/arduino/lib/Arduino-CMake-Toolchain
@@ -0,0 +1 @@
+Subproject commit e745a9bed3c3fb83442d55bf05630f31574674f2
diff --git a/arduino/main.cpp b/arduino/main.cpp
new file mode 100644
index 0000000..e25a2bd
--- /dev/null
+++ b/arduino/main.cpp
@@ -0,0 +1,14 @@
+#include <Arduino.h>
+#include <Wire.h>
+
+void recv() {
+	Wire.write("foo");
+}
+
+void setup() {
+	Wire.begin(0x22);
+	Wire.onRequest(recv);
+}
+
+void loop() { }
+
diff --git a/arduino/makefile b/arduino/makefile
new file mode 100644
index 0000000..e712b62
--- /dev/null
+++ b/arduino/makefile
@@ -0,0 +1,31 @@
+BUILD_DIR ?= build
+TARGET = $(BUILD_DIR)/main.elf
+
+CMFLAGS += --fresh
+CMFLAGS += --log-level WARNING
+CMFLAGS += -Wno-deprecated
+
+export SERIAL_PORT ?= /dev/ttyACM0
+.PHONY: FORCE
+
+all: FORCE $(TARGET)
+
+flash: upload-main;
+upload-main: $(TARGET)
+
+$(BUILD_DIR)/build.ninja: CMakeLists.txt
+	@mkdir -p $(BUILD_DIR)
+	@cmake -B $(BUILD_DIR) -G Ninja $(CMFLAGS)
+
+$(TARGET): $(BUILD_DIR)/build.ninja FORCE
+	@ninja -C $(BUILD_DIR)
+
+clean: FORCE
+	$(RM) -r $(BUILD_DIR)
+
+# Forward any unknown targets to Ninja
+ifneq ($(MAKECMDGOALS),)
+%::
+	@ninja -C $(BUILD_DIR) $@
+endif
+
-- 
cgit v1.2.3