From 522e6cf234c84da5650882b0fcb89cc8d1e2ffba Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Mon, 3 Jul 2023 21:07:45 +0200
Subject: [PATCH] Implement deepsleep(0)

Implement deepsleep(0) as command ``restart 9`` (#19024)
---
 tasmota/tasmota.ino                         | 1 +
 tasmota/tasmota_support/support_command.ino | 5 +++++
 tasmota/tasmota_support/support_tasmota.ino | 2 +-
 tasmota/tasmota_support/support_wifi.ino    | 8 ++++++--
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/tasmota/tasmota.ino b/tasmota/tasmota.ino
index 56434faea..67a149347 100644
--- a/tasmota/tasmota.ino
+++ b/tasmota/tasmota.ino
@@ -305,6 +305,7 @@ struct TasmotaGlobal_t {
   bool ntp_force_sync;                      // Force NTP sync
   bool skip_light_fade;                     // Temporarily skip light fading
   bool restart_halt;                        // Do not restart but stay in wait loop
+  bool restart_deepsleep;                   // Do not restart but do deepsleep
   bool module_changed;                      // Indicate module changed since last restart
   bool wifi_stay_asleep;                    // Allow sleep only incase of ESP32 BLE
   bool no_autoexec;                         // Disable autoexec
diff --git a/tasmota/tasmota_support/support_command.ino b/tasmota/tasmota_support/support_command.ino
index c775b8aab..e18143040 100644
--- a/tasmota/tasmota_support/support_command.ino
+++ b/tasmota/tasmota_support/support_command.ino
@@ -1151,6 +1151,11 @@ void CmndRestart(void)
     }
     break;
 #endif  // ESP32
+  case 9:
+    TasmotaGlobal.restart_flag = 2;
+    TasmotaGlobal.restart_deepsleep = true;
+    ResponseCmndChar(PSTR("Go to sleep"));
+    break;
   case -1:
     CmndCrash();    // force a crash
     break;
diff --git a/tasmota/tasmota_support/support_tasmota.ino b/tasmota/tasmota_support/support_tasmota.ino
index 113181ce0..b7f51569f 100644
--- a/tasmota/tasmota_support/support_tasmota.ino
+++ b/tasmota/tasmota_support/support_tasmota.ino
@@ -1560,7 +1560,7 @@ void Every250mSeconds(void)
 
       TasmotaGlobal.restart_flag--;
       if (TasmotaGlobal.restart_flag <= 0) {
-        AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_APPLICATION "%s"), (TasmotaGlobal.restart_halt) ? PSTR("Halted") : PSTR(D_RESTARTING));
+        AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_APPLICATION "%s"), (TasmotaGlobal.restart_halt) ? PSTR("Halted") : (TasmotaGlobal.restart_deepsleep) ? PSTR("Sleeping") : PSTR(D_RESTARTING));
         EspRestart();
       }
     }
diff --git a/tasmota/tasmota_support/support_wifi.ino b/tasmota/tasmota_support/support_wifi.ino
index c5189c344..210a73bcb 100644
--- a/tasmota/tasmota_support/support_wifi.ino
+++ b/tasmota/tasmota_support/support_wifi.ino
@@ -1161,7 +1161,7 @@ void EspRestart(void)
   WifiShutdown(true);
   CrashDumpClear();           // Clear the stack dump in RTC
 
-  if (TasmotaGlobal.restart_halt) {
+  if (TasmotaGlobal.restart_halt) {  // Restart 2
     while (1) {
       OsWatchLoop();          // Feed OsWatch timer to prevent restart
       SetLedLink(1);          // Wifi led on
@@ -1169,7 +1169,11 @@ void EspRestart(void)
       SetLedLink(0);          // Wifi led off
       delay(800);             // Satisfy SDK
     }
-  } else {
+  }
+  else if (TasmotaGlobal.restart_deepsleep) {  // Restart 9
+    ESP.deepSleep(0);         // Deep sleep mode with only hardware triggered wake up
+  }
+  else {
     ESP_Restart();
   }
 }