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STM32L4R9I-EVAL Problems to use UART1 PB7 (rx) and PG9 (tx)

Dear community,I've been playing with the STM32L4R9I-Eval board and it seems that I can't drive the PG9 pin.My plan is to use the UART1 with the following pins:PB7 (rx) PG9 (tx).I checked the documentation and to use PG9 you have to:Remove R236Open S...

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LPers by Associate II
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  • 5 replies
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TIM1 ch1 as pwm, ch2 as cc to trigger adc caputre

On STM32F105 chip, i need to output a pwm, then adc caputure the voltage on pwm high stable level.So i try to set tim1 ch1 to pwm out, and then set tim1 ch2 as compare output wih no pwm to trigger adc capture with DMA. (CC2<CC1)Eventrually, i cannot ...

Usart as SPI

Are there any example that uses USART as SPI ? Currently I am using stm32g071kbt6 mcu for a project and i have to use USART peripheral as SPI. Other SPI peripherals on use. I found a few presentation about USART that says USART can be use as SPI and ...

Emin ATES by Associate II
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  • 4 replies
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Peripheral sharing with dual core H7

I am working with a dual core processor for the first time & am wondering if i need to use a semaphore to block one processor while the other reads a peripheral register?In my application the M4 is being used as a slave for some concurrent processing...

RMcCa by Senior II
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  • 6 replies
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Resolved! How can i make a camera with stm32f4disc?

​Hello,  I have stm32f4disc and baseboard, ov 9655 camera module, l​cd screen. ​ I want to make a camera. Who has guides or tutorials that can help me. Thanks​

MHMallek by Associate II
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  • 1 replies
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DMA for loading PWM values directly

I am attempting to use the DMA to auto-load PWM values for a motor control application. An example very similar to what I want to do is given in the RM0090, section 17.4.20 (for STM32F427). However, I'm missing some detail and can't get the DMA to tr...