STM32 MCUs Products

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Resolved! Problem with UART communication functions.

All these functions have one problem, let's say in this function HAL_UART_Receive_IT(&huart4, data,5);the third parameter is the number of transmitted characters.If you enter more or less characters in the COM port of the terminal than specified in t...

MMust.5 by Senior II
  • 2047 Views
  • 2 replies
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Can HAL_CAN_AddTxMessage Not Transmit.

Hi I try to send a message to the CAN interface, use HAl functionHAL_CAN_AddTxMessage.But the message not send.I verify with debug that the interface is allwais in Listering HAL_CAN_STATE_LISTENING.Do you have idea what is wrong?uint8_t CAN_TX(int16_...

PZamb.2 by Associate III
  • 1356 Views
  • 1 replies
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UART information missing from RefMan, HAL_UART_Init() error

I found this problem with STM32L476 but I suspect it may be a general STM32 quirk.The manual does not list the minimum and maximum value of UART BRR register. While the minimum value of 0x10 seems to be quite obvious, the maximum correct value in the...

gbm by Principal
  • 1437 Views
  • 0 replies
  • 2 kudos

Help finding example projects

Hello everyone, I’m currently trying to use an stm32l4r9i discovery along with a b-cams-omv. I saw that this camera is listed as a supported product for this board, however, I cannot find an example project of these working together. If anyone knows ...

DLowry by Associate
  • 1543 Views
  • 3 replies
  • 1 kudos

H7 series FMC question

Hi, I am using STM32H725 with the FMC interface and trying to clarify some issues.The initial issue was seeing extra writes/reads on the bus - this seemed to be fixed by switching the banks to use the 0xC...0 address range or configuring the original...

OHaza.1 by Associate III
  • 1651 Views
  • 2 replies
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Resolved! Why won't my DAC output a voltage larger than 2.56v?

Hi there,I've been having difficulty trying to make the DAC channel 1 output 3.3v. The largest voltage that the DAC outputs is 2.56 volts which I measured with an oscilloscope. I try to set the output voltage to be higher with the following code snip...

RWang.9 by Associate II
  • 5879 Views
  • 16 replies
  • 1 kudos

STM32H7 I2S no data on Data line

Hello, I am interfacing audio Codec SGTL5000 with STM32H7 Nucleo board. I2S peripheral is initialized using the HAL init function. I converted a wav file to a C array and trying to transmit that to the Codec. STM32 is configured as Master TX and Code...

panrod by Associate II
  • 2935 Views
  • 7 replies
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Resolved! ADC via DMA conversion time on Nucleo-C031C6

Hello, I have an issue with the ADC conversion timing while using the DMA controller.I have only configured 1 ADC channel, 12b res. and the ADC clock is at 24MHz (50% of SYSCLK), and it shows correct conversion results (verified by a simple voltage d...

DDjur.1 by Associate II
  • 2102 Views
  • 4 replies
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Resolved! STM32H503RB I3C Target Address NAK Problem

I am using EVB NUCLEO-H503RB with I3C Target feature. I have successfully assign a dynamic address (0x50) to this I3C Target: However, I could not get ACK from this Target with Address 0x50:   Below are my configure, is there anything missing for res...

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BRIAN_LAI by Associate II
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  • 3 replies
  • 2 kudos