From 5169ddd4bd1a4fcebb08039bb46fc094b8f79457 Mon Sep 17 00:00:00 2001
From: BlackMark <me@blackmark.me>
Date: Thu, 9 Jul 2020 19:58:20 +0200
Subject: [PATCH] Set watchdog to approximately 2s and add refreshing

---
 firmware/Src/init.c   | 1 -
 firmware/Src/iwdg.c   | 2 +-
 firmware/Src/main.cpp | 3 +++
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/firmware/Src/init.c b/firmware/Src/init.c
index 34e330f..1658ff6 100644
--- a/firmware/Src/init.c
+++ b/firmware/Src/init.c
@@ -90,7 +90,6 @@ void init(void)
   MX_GPIO_Init();
   MX_ADC_Init();
   MX_USB_DEVICE_Init();
-  MX_IWDG_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
diff --git a/firmware/Src/iwdg.c b/firmware/Src/iwdg.c
index 25b15ed..a83d0ca 100644
--- a/firmware/Src/iwdg.c
+++ b/firmware/Src/iwdg.c
@@ -31,7 +31,7 @@ void MX_IWDG_Init(void)
 {
 
   hiwdg.Instance = IWDG;
-  hiwdg.Init.Prescaler = IWDG_PRESCALER_4;
+  hiwdg.Init.Prescaler = IWDG_PRESCALER_16;
   hiwdg.Init.Window = 4095;
   hiwdg.Init.Reload = 4095;
   if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
diff --git a/firmware/Src/main.cpp b/firmware/Src/main.cpp
index 19cc880..60553ee 100644
--- a/firmware/Src/main.cpp
+++ b/firmware/Src/main.cpp
@@ -1,4 +1,5 @@
 #include "init.h"
+#include "iwdg.h"
 #include "terminal.hpp"
 #include "uart.hpp"
 
@@ -37,11 +38,13 @@ static inline void initializeHardware()
 int main()
 {
     initializeHardware();
+    MX_IWDG_Init();
 
     terminal_t terminal;
 
     while(true) {
         terminal.callback();
+        HAL_IWDG_Refresh(&hiwdg);
     }
 
     return 0;