From 0bb428dcc01a01f15459acb9ebed4e045448bf5d Mon Sep 17 00:00:00 2001
From: Daniel Bevenius <daniel.bevenius@gmail.com>
Date: Wed, 11 May 2022 18:26:25 +0200
Subject: [PATCH] squash! Implement Output::is_set_low for embassy-rp

Add check for the bit of the current pin.
---
 embassy-rp/src/gpio.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/embassy-rp/src/gpio.rs b/embassy-rp/src/gpio.rs
index 9cdba8bf3..28dfce476 100644
--- a/embassy-rp/src/gpio.rs
+++ b/embassy-rp/src/gpio.rs
@@ -128,7 +128,8 @@ impl<'d, T: Pin> Output<'d, T> {
     /// Is the output pin set as low?
     pub fn is_set_low(&self) -> bool {
         // Reading from SIO: GPIO_OUT gives the last value written.
-        unsafe { self.pin.sio_out().value().read() == 0 }
+        let val = 1 << self.pin.pin();
+        unsafe { (self.pin.sio_out().value().read() & val) == 0 }
     }
 }