Skip to main content
BSarn.1
BSarn.1
Associate
November 22, 2022
Question

Timer IT stop channel, but continue with base IT possible?

  • November 22, 2022
  • 4 replies
  • 1461 views

Calling HAL_TIM_OC_Stop_IT causes HAL_TIM_Base_Start_IT to also stop, is this normal? i want to stop a channel, not the entire base timer.

How do i achieve this? re-enabling the base timer after stopping the Channel is not working.

This topic has been closed for replies.

4 replies

Piranha
Piranha
Principal III
November 22, 2022

It's all the same for HAL_TIM_OC_Stop(), HAL_TIM_OC_Stop_IT(), HAL_TIM_OC_Stop_DMA() functions.

https://github.com/STMicroelectronics/STM32CubeL4/blob/master/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c#L858-L865

Edited by moderation team to adhere to community guidlines.

Piranha
Piranha
Principal III
December 3, 2022

Actually it's even worse - just search for all instances of "__HAL_TIM_MOE_DISABLE" in that file and all of those functions are broken the same way. Therefore the affected functions can be described as:

HAL_TIM_***_Stop***()

Amel NASRI
Amel NASRI
ST Technical Moderator
December 2, 2022

Hi @BSarn.1​ ,

I reported this issue to our development team for deeper analysis. Meanwhile, could you please try to use the LL drivers?

Internal ticket number: 140440(This is an internal tracking number and is not accessible or usable by customers).

-Amel

To give better visibility on the answered topics, please click on "Best Answer" on the reply which solved your issue or answered your question.
BSarn.1
BSarn.1Author
Associate
December 2, 2022

i have solved for myself but i had to make a modification into the stm32f4xx_hal_tim.c

on line 1011 i have made:

 /* Disable the Peripheral */
 //__HAL_TIM_DISABLE(htim); //removed manually

then the base timer will continue as i desire.

S.Ma
S.Ma
Principal
December 5, 2022

A dirty workaround would be to disconnect the timer signal from ita pin by changin MODE bitfield from 10b

Terms & ConditionsAccessibility statement