From 789bbbd89f26e94a59d3e957d3928336f20d47a6 Mon Sep 17 00:00:00 2001
From: Jason Del Ponte <961963+jasdel@users.noreply.github.com>
Date: Thu, 8 Dec 2022 17:15:27 -0800
Subject: [PATCH] Update DHT22 receive to use runtime/interrupt

Fixes #483 by updating the DHT22 device to use runtime/interrupt instead
of machine.UART1 for interrupt disabling while receiving signals from the
device.
---
 dht/thermometer.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dht/thermometer.go b/dht/thermometer.go
index 336cbbe..4718140 100644
--- a/dht/thermometer.go
+++ b/dht/thermometer.go
@@ -11,6 +11,7 @@ package dht // import "tinygo.org/x/drivers/dht"
 
 import (
 	"machine"
+	"runtime/interrupt"
 	"time"
 )
 
@@ -160,8 +161,8 @@ func (t *device) read() error {
 // interrupts
 func receiveSignals(pin machine.Pin, result []counter) {
 	i := uint8(0)
-	machine.UART1.Interrupt.Disable()
-	defer machine.UART1.Interrupt.Enable()
+	mask := interrupt.Disable()
+	defer interrupt.Restore(mask)
 	for ; i < 40; i++ {
 		result[i*2] = expectChange(pin, false)
 		result[i*2+1] = expectChange(pin, true)