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STM32L4P5 PWM with DMA no GPIO output

Hey all, I'm trying to generate DMA PWM for a row of 3 Neopixels. I succeeded on a Nucleo-based L496, but translating to a L4P5 target (custom board) results in no output on the GPIO at all. I've compared the generated HAL code for both and cannot fi...

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CLigh.2 by Associate
  • 1251 Views
  • 4 replies
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Another DMA Not Working Question - Init In Correct Order

Started a project based on the STM32L010 which needs to receive six bytes from the UART. Works fine if I use it in interrupt mode. Does NOT work if I use it in DMA mode. Saw multiple posts about the DMA needing to be init'd before the peripheral in q...

nobbyv77 by Associate II
  • 1385 Views
  • 6 replies
  • 0 kudos

Flash write on STM32L431RCt6

Hi there,I have a STM32L431RCT6 microcontroller. I wish to write some data on it. let's say I want to write 2 at 0x08009000 Address.here is my code#define FLASH_USER_START_ADDR ((uint32_t)0x08009000) #define FLASH_USER_END_ADDR ((u...

Ala by Senior
  • 1222 Views
  • 2 replies
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Resolved! STM32F072VBT6 VS STM32F072VbT6 2

We have facing issue on microntroller we have recieve we have serial product and curretly we are using STM32F072VBT6 controller but we have order new lot and we are recieve STM32F072VBT6 2 and both are behaviour diffrent so what is major diffrence be...

YShah.1 by Associate II
  • 2565 Views
  • 11 replies
  • 1 kudos

[STM32H7] Spi Impact On Adc Module(brings larger noise)

When we test adc small signals, we found all spi have impact on adc1 and adc2 module, which leads unexpect singals even we use fund HDs of it.Detals as below:--Environment:Save 6400 points at different conditions,1. spi2 or spi4 work and really has i...

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THuan.5 by Associate
  • 1789 Views
  • 7 replies
  • 0 kudos

FDCAN data issue on serial Monitor

i have used the board nucleo stm32h745 Board.i have used can 1 and can2 for data exchange but my data is also showing with some simple text ,screenshort is attached. i am sending voltage text at can1 and hello at can2,and but i am getting some text w...

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Timing issue when TIM10 interrupts HAL IWDG macro

I am using a STM32F746VET6 to drive time critical signals on up to 14 pins. I am bit banging these signals in the ISR. I was surprised to find after a benign change I started to have jitter in these signals. I tracked it down to the ISR firing during...

RBack.1 by Senior
  • 1852 Views
  • 4 replies
  • 1 kudos