Huseyin Berkay Berabi / GA-Test_copy

ils

Dependencies:   mbed-dev

Fork of GA-Test_copy by Alejandro Ungria Hirte

Watchdog/Watchdog.cpp@2:5adf0b785944, 2018-01-10 (annotated)

Committer:
bberabi
Date:
Wed Jan 10 16:14:49 2018 +0000
Revision:
2:5adf0b785944
Parent:
0:a3b83d366423 
milc

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aungriah 0:a3b83d366423 1 #include "Watchdog.h"
aungriah 0:a3b83d366423 2
aungriah 0:a3b83d366423 3
aungriah 0:a3b83d366423 4 Watchdog::Watchdog() {
aungriah 0:a3b83d366423 5 }
aungriah 0:a3b83d366423 6
aungriah 0:a3b83d366423 7 // Load timeout value in watchdog timer and enable
aungriah 0:a3b83d366423 8 void Watchdog::kick(float s) {
aungriah 0:a3b83d366423 9
aungriah 0:a3b83d366423 10 uint32_t clk = SystemCoreClock / 3; // found by trying. TODO: exakt values
aungriah 0:a3b83d366423 11 hiwdg.Instance = IWDG;
aungriah 0:a3b83d366423 12 hiwdg.Init.Prescaler = IWDG_PRESCALER_16;
aungriah 0:a3b83d366423 13 hiwdg.Init.Reload = s * (float)clk;
aungriah 0:a3b83d366423 14 if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
aungriah 0:a3b83d366423 15 {
aungriah 0:a3b83d366423 16 // Error Handler
aungriah 0:a3b83d366423 17 }
aungriah 0:a3b83d366423 18 }
aungriah 0:a3b83d366423 19
aungriah 0:a3b83d366423 20 // "kick" or "feed" the dog - reset the watchdog timer
aungriah 0:a3b83d366423 21 // by writing this required bit pattern
aungriah 0:a3b83d366423 22 void Watchdog::kick() {
aungriah 0:a3b83d366423 23 HAL_IWDG_Refresh(&hiwdg);
aungriah 0:a3b83d366423 24 }
aungriah 0:a3b83d366423 25