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dknipe · 2024-07-16

Processor: STM32H753I am attempting to continuously read an ADC, and transfer the data into a circular data buffer with the ADC. I configured everything in CubeMX. No matter what I try, I get a transfer error from the DMA the first time it reads. I t...

dknipe · 2024-04-12

I am getting a multiple definitions warning when compiling due to Inc/Legacy/stm32_hal_legacy.h redefining PAGESIZE, which is already defined in limits.h (in the RTEMS lib). I am using STM32H7xx specifically, but this issue appears to affect all of ...

dknipe · 2024-07-18

I found the issue. The INIT routine for the ADC was attempting to set the CR register, but the register was not updating because the DMA clock was not yet starting. Unfortunately the CubeMX generated code doesn't check for this.In my case I am using ...

dknipe · 2024-07-16

Thank you! I didn't even consider it was the memory region that was the problem. Creating the buffer on the HEAP resolved the issue. Follow up question. One ADC read is now being converted and sent to the DMA, but it seems to stop after the first one...

dknipe · 2024-07-16

The registers I posted above were after the DMA threw a transfer error. Here is a bit more info: Before Starting: DMA2_Stream0 CR=0x00000000 NDTR=0x00000000 PAR=0x00000000 M0AR=0x00000000 FCR=0x00000021 After Starting: DMA2_Stream0 CR=0x0000001f ND...

dknipe · 2024-07-16

DMA2_Stream0 CR=0x0000001a NDTR=0x000003ff PAR=0x40022140 M0AR=0x20009d84 FCR=0x00000021

dknipe · 2024-04-12

We are not including this directly. "Legacy/stm32_hal_legacy.h" is being included by stm32h7xx_hal_def.h, which is used throughout the HAL. It gets pulled in whenever we include <hal/stm32h7xx_hal.h>.https://github.com/STMicroelectronics/stm32h7xx_ha...

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DMA throwing transfer error when reading from the ADC

Multiple definitions warning for PAGESIZE

Re: DMA throwing transfer error when reading from the ADC

Re: DMA throwing transfer error when reading from the ADC

Re: DMA throwing transfer error when reading from the ADC

Re: DMA throwing transfer error when reading from the ADC

Re: Multiple definitions warning for PAGESIZE