From 8bb37341f2815f822c383b02469a472d76d1446a Mon Sep 17 00:00:00 2001
From: Bertrand Benjamin <benjamin.bertrand@opytex.org>
Date: Wed, 12 Oct 2022 08:30:24 +0200
Subject: [PATCH] Feat: enable deepsleep on boot

---
 esp32_radio/esp32_radio.ino | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/esp32_radio/esp32_radio.ino b/esp32_radio/esp32_radio.ino
index 4fdc554..fd5a382 100644
--- a/esp32_radio/esp32_radio.ino
+++ b/esp32_radio/esp32_radio.ino
@@ -26,11 +26,27 @@ void setup() {
   pinMode(STATUSLED, OUTPUT);
   pinMode(POWERBUTTON, INPUT);
 
+  esp_sleep_enable_ext0_wakeup(POWERBUTTON, 1);
+
+  esp_sleep_wakeup_cause_t source_reveil;
+
+  source_reveil = esp_sleep_get_wakeup_cause();
+  
+  Serial.println(source_reveil);
+
+  switch(source_reveil){
+    case ESP_SLEEP_WAKEUP_EXT0 : 
+      break;
+    default :
+      Serial.println("Deepsleep mod -- first boot");
+      delay(500);
+      esp_deep_sleep_start();
+      break;
+  }
+
   wifi_init();
   wifi_info();
 
-  esp_sleep_enable_ext0_wakeup(POWERBUTTON, 1);
-
   audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
   audio.setVolume(30);
   // audio.connecttohost("http://192.168.2.216:8000/06%20-%20H4dopi.mp3");