From 6e8928b8a1106422153a672f2de9791d65286966 Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Tue, 23 Jun 2020 17:28:15 +0200
Subject: [PATCH] Fix PWM software watchdogs

Fix PWM software watchdogs by correctly initializing variables (#8721)
---
 tasmota/core_esp8266_waveform.cpp       | 8 ++++----
 tasmota/core_esp8266_wiring_digital.cpp | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tasmota/core_esp8266_waveform.cpp b/tasmota/core_esp8266_waveform.cpp
index 1ff0a3687..29a485874 100644
--- a/tasmota/core_esp8266_waveform.cpp
+++ b/tasmota/core_esp8266_waveform.cpp
@@ -133,9 +133,9 @@ constexpr int maxPWMs = 8;
 
 // PWM machine state
 typedef struct PWMState {
-  uint32_t mask; // Bitmask of active pins
-  uint32_t cnt;  // How many entries
-  uint32_t idx;  // Where the state machine is along the list
+  uint32_t mask = 0; // Bitmask of active pins
+  uint32_t cnt = 0;  // How many entries
+  uint32_t idx = 0;  // Where the state machine is along the list
   uint8_t  pin[maxPWMs + 1];
   uint32_t delta[maxPWMs + 1];
   uint32_t nextServiceCycle;  // Clock cycle for next step
@@ -528,7 +528,7 @@ static ICACHE_RAM_ATTR void timer1Interrupt() {
               // Done, remove!
               if (i == 16) {
                 GP16O = 0;
-              } 
+              }
               GPOC = mask;
               wvfState.waveformEnabled &= ~mask;
               continue;
diff --git a/tasmota/core_esp8266_wiring_digital.cpp b/tasmota/core_esp8266_wiring_digital.cpp
index 199fbabd8..7fb3ccb00 100644
--- a/tasmota/core_esp8266_wiring_digital.cpp
+++ b/tasmota/core_esp8266_wiring_digital.cpp
@@ -153,8 +153,8 @@ void ICACHE_RAM_ATTR interrupt_handler(void*)
     while(!(changedbits & (1 << i))) i++;
     changedbits &= ~(1 << i);
     interrupt_handler_t *handler = &interrupt_handlers[i];
-    if (handler->fn && 
-        (handler->mode == CHANGE || 
+    if (handler->fn &&
+        (handler->mode == CHANGE ||
          (handler->mode & 1) == !!(levels & (1 << i)))) {
           // to make ISR compatible to Arduino AVR model where interrupts are disabled
           // we disable them before we call the client ISR