STM32 MPUs Products and hardware related

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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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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
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  • 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
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  • 3 replies
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Clean shutdown of M4 core

Hello all,The startup of the M4 core is easy enough, echoing "start" to the state enables the core.Shutdown is also simple, echoing "stop" to halt the coprocessor. However on shutdown, peripherals such as the PWM sometimes end in a high state. For my...

csys by Associate
  • 924 Views
  • 3 replies
  • 1 kudos