From 2dd7b8ba2c0c8f756eddd9c86a40497f1b7f7537 Mon Sep 17 00:00:00 2001
From: Tim Keller <geekboy1011@gmail.com>
Date: Thu, 19 Aug 2021 00:44:22 +0000
Subject: Add clearing of noinit segment on bad word Code readability cleanup

---
 src/main.cpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index 9c384a8b..d5da4283 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -160,8 +160,12 @@ Pinetime::System::SystemTask systemTask(spi,
                                         heartRateApp,
                                         fs);
 
-uint32_t MAGIC_RAM __attribute__((section(".noinit")));
-std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds> BackUpTime __attribute__((section(".noinit")));
+extern uint32_t __start_noinit_data;
+extern uint32_t __stop_noinit_data;
+static constexpr uint32_t NoInit_MagicValue = 0xDEADBEEF;
+uint32_t NoInit_MagicWord __attribute__((section(".noinit")));
+std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds> NoInit_BackUpTime __attribute__((section(".noinit")));
+
 
 void nrfx_gpiote_evt_handler(nrfx_gpiote_pin_t pin, nrf_gpiote_polarity_t action) {
   if (pin == pinTouchIrq) {
@@ -324,10 +328,11 @@ int main(void) {
   Pinetime::BootloaderVersion::SetVersion(NRF_TIMER2->CC[0]);
 
   // Check Magic Ram and reset lost variables
-  if (MAGIC_RAM == 0xDEADBEEF) {
-    dateTimeController.SetCurrentTime(BackUpTime);
+  if (NoInit_MagicWord == NoInit_MagicValue) {
+    dateTimeController.SetCurrentTime(NoInit_BackUpTime);
   } else {
-    MAGIC_RAM = 0xDEADBEEF;
+    memset(&__start_noinit_data,0,(uintptr_t)&__stop_noinit_data-(uintptr_t)&__start_noinit_data);
+    NoInit_MagicWord = NoInit_MagicValue;
   }
 
   lvgl.Init();
-- 
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