From c012d715bf3c3ce72e72268043a35d1385a4d59d Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Tue, 23 Apr 2019 17:02:19 -0400
Subject: [PATCH] add watchdog timer to planck ez

---
 keyboards/planck/ez/ez.c | 10 ++++++++++
 quantum/stm32/halconf.h  |  2 +-
 quantum/stm32/mcuconf.h  |  2 +-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/keyboards/planck/ez/ez.c b/keyboards/planck/ez/ez.c
index b859af6c15b..7c787ca0b40 100644
--- a/keyboards/planck/ez/ez.c
+++ b/keyboards/planck/ez/ez.c
@@ -137,6 +137,13 @@ const rgb_led g_rgb_leds[DRIVER_LED_TOTAL] = {
     {{3|(4<<4)},  {20.36*11,21.33*3}, 1}
 };
 
+static const WDGConfig wdognormalcfg =
+{
+    STM32_IWDG_PR_64,
+    STM32_IWDG_RL(1000),
+    STM32_IWDG_WIN_DISABLED
+};
+
 void matrix_init_kb(void) {
   matrix_init_user();
 
@@ -145,9 +152,12 @@ void matrix_init_kb(void) {
 
   palClearPad(GPIOB, 8);
   palClearPad(GPIOB, 9);
+
+  wdgStart(&WDGD1, &wdognormalcfg);
 }
 
 void matrix_scan_kb(void) {
+  wdgReset(&WDGD1);
   matrix_scan_user();
 }
 
diff --git a/quantum/stm32/halconf.h b/quantum/stm32/halconf.h
index c3e0cbb728c..0dba3ce308e 100644
--- a/quantum/stm32/halconf.h
+++ b/quantum/stm32/halconf.h
@@ -174,7 +174,7 @@
  * @brief   Enables the WDG subsystem.
  */
 #if !defined(HAL_USE_WDG) || defined(__DOXYGEN__)
-#define HAL_USE_WDG                 FALSE
+#define HAL_USE_WDG                 TRUE
 #endif
 
 /*===========================================================================*/
diff --git a/quantum/stm32/mcuconf.h b/quantum/stm32/mcuconf.h
index 36f8ca2252a..8ebf7509553 100644
--- a/quantum/stm32/mcuconf.h
+++ b/quantum/stm32/mcuconf.h
@@ -252,6 +252,6 @@
 /*
  * WDG driver system settings.
  */
-#define STM32_WDG_USE_IWDG                  FALSE
+#define STM32_WDG_USE_IWDG                  TRUE
 
 #endif /* MCUCONF_H */