About magene

magene · 2024-07-14

I use CubeMX to generate the set up code for clocks and peripherals in the STM32H7A3 I'm currently using for my current work. I'd like to calculate the timer and low-power timer call back periods programmatically without having to type in magic numb...

magene · 2024-07-05

I'm rewriting some of my old LL code to use HAL and having trouble getting the RTC to read time correctly. I have a simple test project where I'm calling HAL_RTC_GetTime() and HAL_RTC_GetDate() before and after a call to HAL_Delay() with the expectat...

magene · 2024-02-24

I upgraded STM32CubeIDE to version 1.14.1 today and can no longer connect with my target. The process of updating CubeIDE also updated my STLink-V3PWR debugger to V3PWR V4.J3.B1.P4. Now, programs that downloaded and ran just fine yesterday won't d...

magene · 2024-01-18

I'm bringing up a new board using a STM32H7A3. I've developed, downloaded, debugged and run lots of test programs from the VisualGDB IDE. Now I'm working on the main application. I can still develop, download, debug and run from VisualGDB but when I...

magene · 2024-01-10

I have the low power timer LPTIM1 working on a STM32H7A3 but the way I have to clear the IRQs is a little confusing. Here's my IRQHandler:void LPTIM1_IRQHandler(void) { //Disable LPTIM1 CLEAR_BIT(LPTIM1->CR, 0x01); //Clear IRQs LL_LPTIM_ClearFl...

magene · 2024-07-15

@Rob.Riggs There's nothing wrong with the #define, it just seemed a little odd given that I can get all the other stuff from registers. And thanks for pointing me at those 2 functions.My biggest issue seems to be with the X1 boxes that I mentioned in...

magene · 2024-07-06

I think I figured this out. The RTC works fine when running off the LSI using the predividers recommended in AN4759. And it works fine when running off the LSE if I set the RTC synchronous predivider to 80 instead of the 255 recommended in the AN. ...

magene · 2024-07-05

Here's the CubeMX generated rtc.c file/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file rtc.c * @brief This file provides code for the configuration * of the ...

magene · 2024-02-25

I was finally able to clear all the flash on my MCU. I had to connect BOOT0 to ground (not 3.3VDC). This seems incorrect but it did work. I've started and stopped the program, the IDE, the STLink-V3PWR several times and shut everything down and re...

magene · 2024-02-25

Thanks for working on this. I'll be interested to see what you find out. In the mean time, here are a few more hints.I still can't just clear all the flash. Here's a screen shot of what happens. I've tried checking and unchecking the nWRPx boxes an...

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Trying to programmatically get timer details

HAL_Delay() doesn't synch with RTC on STM32H7A3

Updated STM32CubeIDE, can't find device on target

Downloaded STM32H7A3 program runs but doesn't stay flashed

Help with STM32H7A3 low power timer

Re: Trying to programmatically get timer details

Re: HAL_Delay() doesn't synch with RTC on STM32H7A3

Re: HAL_Delay() doesn't synch with RTC on STM32H7A3

Re: Updated STM32CubeIDE, can't find device on target

Re: Updated STM32CubeIDE, can't find device on target