From 6c2f0a4543a608aeeeed3184f366bf200f7eb77d Mon Sep 17 00:00:00 2001
From: luoliwoshang <2643523683@qq.com>
Date: Mon, 1 Dec 2025 15:17:38 +0800
Subject: [PATCH] demo:button demo

---
 _demo/button/main.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 _demo/button/main.go

diff --git a/_demo/button/main.go b/_demo/button/main.go
new file mode 100644
index 0000000..8aaaa87
--- /dev/null
+++ b/_demo/button/main.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"unsafe"
+
+	"github.com/goplus/emb/machine"
+)
+
+//go:linkname StoreUint32 llgo.atomicStore
+func StoreUint32(addr *uint32, val uint32)
+
+//go:linkname sleep sleep
+func sleep(n int)
+
+func main() {
+	StoreUint32((*uint32)(unsafe.Pointer(uintptr(0x3ff480A4))), 0x50D83AA1)
+	StoreUint32((*uint32)(unsafe.Pointer(uintptr(0x3ff4808C))), 0)
+	StoreUint32((*uint32)(unsafe.Pointer(uintptr(0x3ff5f048))), 0)
+	buttonPin := machine.GPIO34
+	buttonPin.Configure(machine.PinConfig{Mode: machine.PinInput})
+
+	for {
+		if buttonPin.Get() {
+			println("yes")
+		} else {
+			println("no")
+		}
+		sleep(1)
+	}
+}