From aea4315d4855d07b203fded6f4dd3dc9b6966eab Mon Sep 17 00:00:00 2001
From: lovyan03 <42724151+lovyan03@users.noreply.github.com>
Date: Thu, 2 Apr 2020 22:53:32 +0900
Subject: [PATCH] update: M5.Speaker.setVolume works with M5.Speaker.tone .

---
 src/utility/Speaker.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utility/Speaker.cpp b/src/utility/Speaker.cpp
index 225261db..3c93f9f3 100644
--- a/src/utility/Speaker.cpp
+++ b/src/utility/Speaker.cpp
@@ -21,6 +21,7 @@ void SPEAKER::end() {
 void SPEAKER::tone(uint16_t frequency) {
   if(!_begun) begin();
   ledcWriteTone(TONE_PIN_CHANNEL, frequency);
+  ledcWrite(TONE_PIN_CHANNEL, 0x400 >> _volume);
 }
 
 void SPEAKER::tone(uint16_t frequency, uint32_t duration) {