From eeff151e111fc6c3515539757005d744c48cc892 Mon Sep 17 00:00:00 2001
From: xdavidwu <xdavidwuph@gmail.com>
Date: Mon, 16 May 2022 17:36:15 +0800
Subject: [PATCH] tools: add gy-801-dump

---
 .gitignore                |  1 +
 Makefile                  |  4 +++-
 tools/gy-801-dump/main.ha | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 tools/gy-801-dump/main.ha

diff --git a/.gitignore b/.gitignore
index 9179b41..532c959 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /evdev-dump-events
 /uinput-pointer
+/gy-801-dump
diff --git a/Makefile b/Makefile
index bc461c2..4c2374d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
 evdev-dump-events uinput-pointer:
 	hare build -levdev -o $@ tools/$@/
-.PHONY: evdev-dump-events uinput-pointer
+gy-801-dump:
+	hare build -li2c -o $@ tools/$@/
+.PHONY: evdev-dump-events uinput-pointer gy-801-dump
diff --git a/tools/gy-801-dump/main.ha b/tools/gy-801-dump/main.ha
new file mode 100644
index 0000000..ac436ee
--- /dev/null
+++ b/tools/gy-801-dump/main.ha
@@ -0,0 +1,34 @@
+use fmt;
+use fs;
+use os;
+use rt;
+use sensors::ADXL345;
+use strconv;
+
+export fn main() void = {
+	if (len(os::args) != 2) {
+		fmt::fatalf("Usage: {} bus", os::args[0]);
+	};
+	const bus = match (strconv::stoi(os::args[1])) {
+	case let bus: int =>
+		yield bus;
+	case =>
+		fmt::fatal("bus should be a integer");
+	};
+
+	const ADXL345 = match (ADXL345::new(bus)) {
+	case let ADXL345: ADXL345::ADXL345 =>
+		yield ADXL345;
+	case let err: fs::error =>
+		fmt::fatalf("Cannot open i2c device: {}", fs::strerror(err));
+	case let err: rt::errno =>
+		fmt::fatalf("Cannot ioctl i2c device: {}", rt::strerror(err));
+	};
+	defer ADXL345::destroy(ADXL345);
+
+	ADXL345::init(ADXL345)!;
+
+	const acc_readings = ADXL345::read(ADXL345)!;
+
+	fmt::printfln("Accelerometer: {} {} {} g", acc_readings.0, acc_readings.1, acc_readings.2)!;
+};
-- 
2.45.2