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Resolved! Using DAC of NUCLEO-H503RB

I am trying to use the DAC feature of Nucleo-H503.Pinned the cube MX and wrote the code.However, the program does not work after entering the MX_DAC1_Init() function, created by Cube MX.I checked in debug mode and found an error in the syntax below./...

sh.lee by Associate II
  • 1625 Views
  • 1 replies
  • 2 kudos

Resolved! stm32f407vgt6 problem with UART

I have stm32f407vgt6 from devebox. At first, I wanted to do led blink and it worked fine when I supplied it with external power via 5V pins. Then, when I tried to use UART pin (PA_9, PA_10) to print something to USB to TTL module, it did nothing. UAR...

syifnrl by Associate II
  • 1290 Views
  • 4 replies
  • 1 kudos

Resolved! STM32U575Zi Errors on GPIO Configuration

Greetings,I'm struggling to get GPIO configuration to work without hitting the HardFault_Handler.  If I configure a single GPIO, like this:__HAL_RCC_GPIOB_CLK_ENABLE();GPIO_InitStruct.Pin = GPIO_PIN_7;GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;GPIO_I...

RickH by Associate
  • 795 Views
  • 1 replies
  • 0 kudos

Resolved! Timer -> DMA -> SPI

Hi,      I am having trouble getting the Timer to trigger a DMA -> SPI operation. Namely, I want to set the timer up to run,. Then, get every overflow event to trigger the DMA to move a byte into the SPI. The SPI should auto-send. Then, the cycle rep...

Dude_0-1688422688371.png Dude_1-1688422704488.png Dude_2-1688422711868.png
Dude by Associate III
  • 3746 Views
  • 12 replies
  • 0 kudos

Resolved! USART DMA with LL drivers on STM32H7A3

I've been writing apps using the STM HAL drivers for a while.  I'd like to move to the low level drivers in order to have a better understanding of what's happening in my app.  Comms over a UART with DMA is a critical part of most of my apps so I'm s...

magene by Senior II
  • 6144 Views
  • 10 replies
  • 3 kudos

Resolved! STM32L0 -> DMA, parallel operations

Dumb question, can the DMA perform separate, parallel operations with the different channels? For example, could I use the DMA to transmit with the UART and the SPI devices at the same time without one interrupting the other? I'm unclear from readin...

Dude by Associate III
  • 1002 Views
  • 3 replies
  • 0 kudos