Merge pull request #327 from ejalal/main

implement deep sleep

docs/api.md

@@ -40,6 +40,11 @@ Toggle the matrix on or off:
 | ---------------- | ----------------------------- | ------------------------- | ----------- |
 | `[PREFIX]/power` | `http://[IP]/api/power`       | `{"power": true}` or `{"power": false}` | POST        |
 
+Send the board in deep sleep mode (turns off the matrix as well), good for saving battery life:
+
+| MQTT Topic       | HTTP URL                      | Payload/Body              | HTTP Method |
+| ---------------- | ----------------------------- | ------------------------- | ----------- |
+| `[PREFIX]/sleep` | `http://[IP]/api/sleep`       | `{"sleep": X}` where X is number of seconds | POST        |
 
 ## Sound Playback
 

src/MQTTManager.cpp

@@ -8,6 +8,7 @@
 #include "Dictionary.h"
 #include "PeripheryManager.h"
 #include "UpdateManager.h"
+#include "PowerManager.h"
 
 WiFiClient espClient;
 HADevice device;
@@ -283,6 +284,26 @@ void onMqttMessage(const char *topic, const uint8_t *payload, uint16_t length)
         return;
     }
 
+    if (strTopic.equals(MQTT_PREFIX + "/sleep"))
+    {
+        StaticJsonDocument<128> doc;
+        DeserializationError error = deserializeJson(doc, payload);
+        if (error)
+        {
+            if (DEBUG_MODE)
+                DEBUG_PRINTLN(F("Failed to parse json"));
+            return;
+        }
+        if (doc.containsKey("sleep"))
+        {
+            DisplayManager.setPower(false);
+            PowerManager.sleep(doc["sleep"].as<uint64_t>());
+        }
+
+        delete[] payloadCopy;
+        return;
+    }
+
     if (strTopic.equals(MQTT_PREFIX + "/indicator1"))
     {
         DisplayManager.indicatorParser(1, payloadCopy);
@@ -360,6 +381,7 @@ void onMqttConnected()
         "/nextapp",
         "/apps",
         "/power",
+        "/sleep",
         "/indicator1",
         "/indicator2",
         "/indicator3",

src/PowerManager.cpp

@@ -0,0 +1,45 @@
+#include <PowerManager.h>
+#include <ArduinoJson.h>
+#include "Globals.h"
+
+#define uS_TO_S_FACTOR 1000000L
+
+// The getter for the instantiated singleton instance
+PowerManager_ &PowerManager_::getInstance()
+{
+    static PowerManager_ instance;
+    return instance;
+}
+
+// Initialize the global shared instance
+PowerManager_ &PowerManager = PowerManager.getInstance();
+
+void PowerManager_::setup()
+{
+
+}
+
+void PowerManager_::sleepParser(const char *json)
+{
+  StaticJsonDocument<128> doc;
+  DeserializationError error = deserializeJson(doc, json);
+  if (error)
+  {
+    if (DEBUG_MODE)
+      DEBUG_PRINTLN(F("Failed to parse json"));
+    return;
+  }
+
+  if (doc.containsKey("sleep"))
+  {
+    uint64_t seconds = doc["sleep"].as<uint64_t>();
+    sleep(seconds);
+  }
+}
+
+void PowerManager_::sleep(uint64_t seconds)
+{
+  esp_sleep_enable_timer_wakeup(seconds * uS_TO_S_FACTOR);
+  Serial.print("Going to sleep...\n");
+  esp_deep_sleep_start();
+}

src/PowerManager.h

@@ -0,0 +1,18 @@
+#ifndef PowerManager_h
+#define PowerManager_h
+
+#include <Arduino.h>
+
+class PowerManager_
+{
+private:
+    PowerManager_() = default;
+public:
+    static PowerManager_ &getInstance();
+    void setup();
+    void sleepParser(const char*);
+    void sleep(uint64_t);
+};
+
+extern PowerManager_ &PowerManager;
+#endif

src/ServerManager.cpp

@@ -10,6 +10,7 @@
 #include "DisplayManager.h"
 #include "UpdateManager.h"
 #include "PeripheryManager.h"
+#include "PowerManager.h"
 #include <WiFiUdp.h>
 
 WiFiUDP udp;
@@ -46,6 +47,13 @@ void addHandler()
 {
     mws.addHandler("/api/power", HTTP_POST, []()
                    { DisplayManager.powerStateParse(mws.webserver->arg("plain").c_str()); mws.webserver->send(200,F("text/plain"),F("OK")); });
+    mws.addHandler(
+        "/api/sleep", HTTP_POST, []()
+        { 
+            mws.webserver->send(200,F("text/plain"),F("OK"));
+            DisplayManager.setPower(false);
+            PowerManager.sleepParser(mws.webserver->arg("plain").c_str());
+        });
     mws.addHandler("/api/loop", HTTP_GET, []()
                    { mws.webserver->send_P(200, "application/json", DisplayManager.getAppsAsJson().c_str()); });
     mws.addHandler("/api/effects", HTTP_GET, []()