About JSzem.1

JSzem.1 · 2020-04-23

I like the way CubeIDE generate the code. Especially with "Generate peripheral initialization as a pair of '.c/.h' files per peripheral". This is very helpful tools not only for start the project but also for checking particular functionality.Why exa...

JSzem.1 · 2020-04-22

There is strange behaviour with CH1 and CH1N in TIM1 (STM32F411) when using CubeIDE and Low Layer. If you set CH1 in PWM mode 1 it works after:LL_TIM_CC_EnableChannel(TIM1, LL_TIM_CHANNEL_CH1);LL_TIM_EnableCounter(TIM1);If you set CH1N in PWM mode 1 ...

JSzem.1 · 2020-04-20

In RM0383 Reference manual on page 215 - Section: Continuous conversion mode.There is "SWSTRT bit" but shoul be "SWSTART bit".This is very important bit :-).

JSzem.1 · 2020-04-18

There is a bug in CubeH7 examples. Folder: STM32Cube_FW_H7_V1.7.0\Projects\NUCLEO-H7A3ZI-Q\Examples_LL\TIM\TIM_PWMOutputFile: main.cFunkcion: TimerCaptureCompare_Callback()Instead of "if (LL_TIM_OC_GetCompareCH1(TIM3) > ARR )" should be "if (LL_TIM_O...

JSzem.1 · 2020-03-02

Is it possible to run two or more channels on timer with DMA PWM mode?This code starts only first Channel. uint32_t PrawoPWM = 100; uint32_t LewoPWM = 100; HAL_TIM_PWM_Start_DMA(&htim4, TIM_CHANNEL_1 , &PrawoPWM, 1); HAL_TIM_PWM_Start_DMA(&htim4, TIM...

JSzem.1 · 2020-04-25

Thank you berendi for your encouragement to read the documentatio.I read again the section "Advanced Control Timer (TIM1)" in Reference Manual (RM0383). There is a note:"When only OCxN is enabled (CCxE=0, CCxNE=1), it is not complemented and becomes ...

JSzem.1 · 2020-04-24

Thank you waclawek.jan.I found the CubeL5 the best in terms of Low Layer Examples.This is probably the newes one.

JSzem.1 · 2020-04-23

Thank you berendi for you answer.Maybe it is bad idea but I want to learn LL. I think this library is quite simple and quite fast. It could be helpfull. For now I see two problems:Bugs - time consuming for developer.Changes in LL - very dangerous for...

JSzem.1 · 2020-04-23

These functions enable particular channel, counter and outputs. But there is the difference between Channel 1 and Channel 1N. Timer TIM1 works the same for Channel 1 and Channel 1N (interrups, events) but the output (physical signal on pin) doesn't w...

JSzem.1 · 2020-03-03

I will try DMA Burst. Do you know how to use HAL for this purpose?

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Why examples are not in the way CubeIDE (CubeMX) generate the code?

Possible BUG: CubeIDE TIM1 CH1N PWM F411 Low Layer

Bug: RM0383 Reference manual

CH1 insted of CH3 in TIM_PWMOutput Example_LL

STM32F411 multiple Channels on timer with DMA

Re: Possible BUG: CubeIDE TIM1 CH1N PWM F411 Low Layer

Re: Why examples are not in the way CubeIDE (CubeMX) generate the code?

Re: Possible BUG: CubeIDE TIM1 CH1N PWM F411 Low Layer

Re: Possible BUG: CubeIDE TIM1 CH1N PWM F411 Low Layer

Re: STM32F411 multiple Channels on timer with DMA