From 505e19ff070a865d4024ccc9cfe3773d91db9484 Mon Sep 17 00:00:00 2001
From: Faustino Aguilar <faustinoaq@users.noreply.github.com>
Date: Sat, 3 Nov 2018 15:55:12 -0500
Subject: [PATCH] Checks _pwm_has_started inside analogWriteSetup

Fixes #88
---
 cores/piduino/wiring_pwm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cores/piduino/wiring_pwm.c b/cores/piduino/wiring_pwm.c
index 95ba0a17..967fd9ab 100644
--- a/cores/piduino/wiring_pwm.c
+++ b/cores/piduino/wiring_pwm.c
@@ -46,6 +46,10 @@ uint32_t analogWriteSetup(uint32_t frequency, uint32_t range){
   _pwm_real_freq = 19200000/(div*range);
   analogWriteRange(range);
   analogWriteDiv(div);
+  if(!_pwm_has_started){
+    _pwm_has_started = 1;
+    PWMCTL = 0;
+  }
   return _pwm_real_freq;
 }