From d139fa5e0f330a6ee6a86b496d82023d896ac18a Mon Sep 17 00:00:00 2001
From: sago35 <sago35@gmail.com>
Date: Mon, 24 Jan 2022 20:45:10 +0900
Subject: [PATCH] esp32c3: add support for input pin

---
 src/machine/machine_esp32c3.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/machine/machine_esp32c3.go b/src/machine/machine_esp32c3.go
index 1393f2cd..39ac78bb 100644
--- a/src/machine/machine_esp32c3.go
+++ b/src/machine/machine_esp32c3.go
@@ -95,6 +95,13 @@ func (p Pin) Set(value bool) {
 	}
 }
 
+// Get returns the current value of a GPIO pin when configured as an input or as
+// an output.
+func (p Pin) Get() bool {
+	reg := &esp.GPIO.IN
+	return (reg.Get()>>p)&1 > 0
+}
+
 // Return the register and mask to enable a given GPIO pin. This can be used to
 // implement bit-banged drivers.
 //