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Low Power Aplication with WDG

Posted on July 08, 2014 at 16:49Hi,I have programmed an application that reads sensors and then enters in low-power mode (StandBy)  for several hoursHow can I implement a watch dog to prevent failures during during the read operation?Best Regards,  ...


Posted on May 22, 2014 at 19:57Hi, I know it's an old thread but I decided to answer just in case someone else still has this problem.''I added this line in my IWDG initalization:while ((IWDG->SR & (IWDG_SR_PVU | IWDG_SR_RVU)) != 0) {}But it never c...


Posted on February 04, 2014 at 10:55 Hello Community, i want to use the IWDG of my STM32F103CB but i dont get it work. The controller isnt resetting. This is the relevant code-snippet: if (RCC_GetFlagStatus(RCC_FLAG_IWDGRS...

STM32F205ZC IWDG behavior

Posted on January 30, 2014 at 13:35I have some question about the IWDG.1. Is there a way to stop the IWDG? I only see start (0xCCCC) and reload(0xAAAA).2. As I see in the WWDG the reset operation make it disable. Does it right also for the iWDG, and...

Barbie by Associate II
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Change IWDG timeout at runtime

Posted on January 22, 2014 at 15:20HiI'm porting a software from STM32F101/STM32F103 to STM32F0x family of uC. I need to change the watchdog timeout during runtime. On the F101/F103 this worked. On F0x it seems to fail. For me it looks as if after a...

hug by Associate
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Change IWDG reload and prescaler live

Posted on June 07, 2013 at 17:32Following my last post on the subject of flash memory erase vs watchdog I have another concern.Reading the spec I believe that I may be able to change the prescaler+reload of my watchdog just for the time that the fla...

WWDG vs. IAP flash erase vs. RDP level 1

Posted on July 12, 2013 at 17:42Here is the problem situation:  I use a 16KB internal flash sector to store configuration parameters.  Code in the flash performs the flash erase and write operation, which works fine.  Next I enable the WWDG windowed...

IWDG on STM32f3

Posted on July 10, 2013 at 10:34Dear all, I'm currently developping under stm32f3 discovery and I'm experiencing difficulties with the IWDG. In a first version of my software, I've been using the std peripheral library to set up the IWDG with the fo...

IWDT refresh and reset

Posted on March 27, 2013 at 06:42Hello All, I am using stm32f2 series. I have initilized Independent watch dog timer. My intention is , when there is some probelm in the peripherals, i need to reset the device (microcontroller) after few seconds. So...