STM32 MPUs Products and hardware related

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Resolved! STM32MP15x PWM with DMA

Hi,I am using a STM32MP151AAA3 and i need to control an RGB LED via PWM control (something like the WS2812B). I was looking into the PWM driver options for Linux side control and can't find options for PWM control for specific buffer sizes or anythin...

RBerk.1 by Associate III
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  • 2 replies
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Resolved! multiple ADC for gpio

Hi!! I have STM31mp157C and I want to use the ADC. I am exploring the available GPIOs and have observed that some are present in both ADC1 and ADC2.For example, according to the datasheet, PA4 can be used with ADC1/ADC2.Is there any difference betwee...

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AVazquez by Associate III
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  • 2 replies
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ES8388 codec cannot get mclk

Dear community,I need your help.I'm using a ES8388 Codec on a custom board with STM32MP157 MPU. ES8388 codec connected on i2c1 and sai2. In the codec driver, ES8388 is in salve mode and MPU is in master mode. mclk cannot be obtained.​​device tree:​k...

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ZLiu.3 by Associate II
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  • 13 replies
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Use rotary encoder on stm32mp157

 I'm doing a project, that I need a rotary encoder working on cortex-a7 core of stm32mp157.I met problem, my rotary encoder can not work. This is what I have done:1. In kernel menuconfig I have config: use rotary encoder as a build-in module;2. Write...

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Jason007 by Associate
  • 541 Views
  • 1 replies
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Resolved! CMD Line Disable on STM32MP131

I am using the SDMMC1 interface without an SD card, utilizing only the data lines. Therefore, the CMD line is not needed, and I have deactivated the CMD pin. However, the HAL_SDMMC library sends CMD data and expects a response from the SD card, causi...

Stnoobs by Associate II
  • 950 Views
  • 3 replies
  • 0 kudos