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/drivers/St7789.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/drivers/St7789.h')

diff --git a/src/drivers/St7789.h b/src/drivers/St7789.h
index e6305b49..a32a96f9 100644
--- a/src/drivers/St7789.h
+++ b/src/drivers/St7789.h
@@ -19,6 +19,9 @@ namespace Pinetime {
         void DisplayOn();
         void DisplayOff();
 
+        void Sleep();
+        void Wakeup();
+
 
       private:
         SpiMaster& spi;
@@ -27,6 +30,7 @@ namespace Pinetime {
         void HardwareReset();
         void SoftwareReset();
         void SleepOut();
+        void SleepIn();
         void ColMod();
         void MemoryDataAccessControl();
         void DisplayInversionOn();
@@ -41,6 +45,7 @@ namespace Pinetime {
 
         enum class Commands : uint8_t {
           SoftwareReset = 0x01,
+          SleepIn = 0x10,
           SleepOut = 0x11,
           NormalModeOn = 0x13,
           DisplayInversionOn = 0x21,
-- 
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