From f7e40b1b5879242b4ce59854dbbadb44fe5f75e4 Mon Sep 17 00:00:00 2001
From: JF <jf@codingfield.com>
Date: Sat, 22 Aug 2020 17:59:59 +0200
Subject: Re-implement sleep/wakeup for touch panel, display, NOR Flash, SPI
 and TWI.

---
 src/drivers/Cst816s.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'src/drivers/Cst816s.cpp')

diff --git a/src/drivers/Cst816s.cpp b/src/drivers/Cst816s.cpp
index 6afbf734..f6816545 100644
--- a/src/drivers/Cst816s.cpp
+++ b/src/drivers/Cst816s.cpp
@@ -2,7 +2,6 @@
 #include <task.h>
 #include <nrfx_log.h>
 #include <legacy/nrf_drv_gpiote.h>
-
 #include "Cst816s.h"
 using namespace Pinetime::Drivers;
 
@@ -96,12 +95,16 @@ Cst816S::TouchInfos Cst816S::GetTouchInfo() {
 }
 
 void Cst816S::Sleep() {
-  // TODO re enable sleep mode
-  //twiMaster.Sleep();
-  nrf_gpio_cfg_default(6);
-  nrf_gpio_cfg_default(7);
+  nrf_gpio_pin_clear(pinReset);
+  vTaskDelay(5);
+  nrf_gpio_pin_set(pinReset);
+  vTaskDelay(50);
+  static constexpr uint8_t sleepValue = 0x03;
+  twiMaster.Write(twiAddress, 0xA5, &sleepValue, 1);
+  NRF_LOG_INFO("[TOUCHPANEL] Sleep");
 }
 
 void Cst816S::Wakeup() {
   Init();
+  NRF_LOG_INFO("[TOUCHPANEL] Wakeup");
 }
\ No newline at end of file
-- 
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