From c1f3a31b513e90b29f31f23ba24e5856837ea6d4 Mon Sep 17 00:00:00 2001
From: JF <jf@codingfield.com>
Date: Fri, 17 Jan 2020 22:16:45 +0100
Subject: Disable SPI, I²C, touch controller and display controller in sleep
 mode.
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Re-enable them on wake up.

Remove delays that were not needed in st7889 driver.

Hopefully, it'll improve the battery life!
---
 src/DisplayApp/DisplayApp.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/DisplayApp')

diff --git a/src/DisplayApp/DisplayApp.cpp b/src/DisplayApp/DisplayApp.cpp
index 8bfb8b03..13661609 100644
--- a/src/DisplayApp/DisplayApp.cpp
+++ b/src/DisplayApp/DisplayApp.cpp
@@ -136,9 +136,14 @@ void DisplayApp::Refresh() {
         vTaskDelay(100);
         nrf_gpio_pin_set(14);
         lcd->DisplayOff();
+        lcd->Sleep();
+        touchPanel.Sleep();
         state = States::Idle;
         break;
       case Messages::GoToRunning:
+        lcd->Wakeup();
+        touchPanel.Wakeup();
+
         lcd->DisplayOn();
         nrf_gpio_pin_clear(23);
         nrf_gpio_pin_clear(22);
-- 
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