From 6ccd000280527cd8c656d7e8feff10ac5bfe136c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xose=20P=C3=A9rez?= <xose.perez@gmail.com>
Date: Fri, 25 Aug 2017 19:11:05 +0200
Subject: [PATCH] Delayed relay state saving into EEPROM

---
 code/espurna/config/general.h | 3 +++
 code/espurna/relay.ino        | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/espurna/config/general.h b/code/espurna/config/general.h
index e581d887..eeb042b8 100644
--- a/code/espurna/config/general.h
+++ b/code/espurna/config/general.h
@@ -196,6 +196,9 @@ PROGMEM const char* const custom_reset_string[] = {
 // Pulse with in milliseconds for a latched relay
 #define RELAY_LATCHING_PULSE    10
 
+// Do not save relay state after these many milliseconds
+#define RELAY_SAVE_DELAY        1000
+
 //------------------------------------------------------------------------------
 // I18N
 //------------------------------------------------------------------------------
diff --git a/code/espurna/relay.ino b/code/espurna/relay.ino
index 0bdb26d4..d2dd39ae 100644
--- a/code/espurna/relay.ino
+++ b/code/espurna/relay.ino
@@ -29,6 +29,7 @@ typedef struct {
 } relay_t;
 std::vector<relay_t> _relays;
 bool recursive = false;
+Ticker _relaySaveTicker;
 
 #if RELAY_PROVIDER == RELAY_PROVIDER_DUAL
 unsigned char _dual_status = 0;
@@ -528,7 +529,7 @@ void relayLoop(void) {
             if (!recursive) {
                 relayPulse(id);
                 relaySync(id);
-                relaySave();
+                _relaySaveTicker.once_ms(RELAY_SAVE_DELAY, relaySave);
                 #if WEB_SUPPORT
                     relayWS();
                 #endif