From b6593efa3c23b3ab53d412d7d398ff1bacd2a91e Mon Sep 17 00:00:00 2001
From: Peter Feerick <peter.feerick@gmail.com>
Date: Tue, 17 Jan 2017 10:12:57 +1000
Subject: [PATCH] esp8266_pinToGpio not needed for tone() The '_pin =
 esp8266_pinToGpio[_pin];' pin remapping is not needed in the tone library -
 this actually broke the tone support, and only worked with P3 as it remaps to
 GPIO3.

---
 cores/oak/Tone.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/cores/oak/Tone.cpp b/cores/oak/Tone.cpp
index dfba490..e3e1a20 100644
--- a/cores/oak/Tone.cpp
+++ b/cores/oak/Tone.cpp
@@ -33,7 +33,6 @@ static long toggle_counts[AVAILABLE_TONE_PINS] = { 0, };
 void t1IntHandler();
 
 static int8_t toneBegin(uint8_t _pin) {
-  _pin = esp8266_pinToGpio[_pin];
   int8_t _index = -1;
 
   // if we're already using the pin, reuse it.
@@ -57,7 +56,6 @@ static int8_t toneBegin(uint8_t _pin) {
 
 // frequency (in hertz) and duration (in milliseconds).
 void tone(uint8_t _pin, unsigned int frequency, unsigned long duration) {
-  _pin = esp8266_pinToGpio[_pin];
   int8_t _index;
 
   _index = toneBegin(_pin);