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Restarting UART DMA using HAL

Posted on October 09, 2016 at 23:26What is the best way to restart a DMA servicing a UART using the HAL drivers?On the first iteration the DMA works correctly; transfers new data and fires interrupt.On second iteration, the DMA transfers only one ne...

Resolved! Restart SPI DMA Transmission

Hello,I am working on a sensor device acting as a SPI slave with transmit only and without chip select signal. I am using a STM32G070 microcontroller.I configured 4 bytes transmissions using DMA. The problem I have is that the external master can per...

cgallardo by Associate II
  • 2125 Views
  • 4 replies
  • 1 kudos

Resolved! STM32F070RBT6 RESET CONDITION

We work with STM32F070RBT6 . There is an internal POR/PDR controller in microcontroller but it seems to be active when VDD below 1.8V according to the product datasheet but the operating voltage seems between 2.4V to 3.6 V.In Run Mode, If the input v...

kemrek by Associate
  • 939 Views
  • 3 replies
  • 0 kudos

STM32G4 - Run after programming

Hello I hope you can help.We have developed a production programming solution for the range of STM32G474 devices which uses our own hardware controller interface.Is it possible to replicate the "run after programming" --go command externally?(eg, wit...

Problems with SPI on nucleo H7A3ZIQ

Hey guys. I'm trying to use the SPI1 interface on the aforementioned nuncleo board, but no luck whatsoever.I want to transmit 2 3Byte commands to a dac device. The first one is 48,0,0 and the second one is 55,255,255. My code is:   uint8_t msg_Tec[3]...

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Resolved! condition check below low level

Hi,I have question, I wanted to check whether a condition has reached below threshold level. How many check do I need to do whether it has reached the level below. Does it need to be three check or do a 20 check and average out to see if it below tha...

cjaya.2 by Associate II
  • 1880 Views
  • 10 replies
  • 3 kudos

Resolved! Issue with USART RXFIFO threshold configuration

Hello,I am developing an application on STM32H563 MCU and NUCLEO board.I have the following problem when trying to configure USART2 RXFIFO threshold.In particular, on a transmission completed event, inside the ISR, I need to configure the RXFIFO thre...

CTabo.1 by Senior
  • 954 Views
  • 2 replies
  • 0 kudos

Resolved! STM32H745 SPI Cores communicating

Hi!I'm using STM32H745 dual core. The reason behind it is as I have to do very fast measurement on one core (M7) and the rest of the slower things on the M4. The M4 is mostly used for communicating with the external world. I have setup SPI3 and SPI4....

__silardg by Associate III
  • 2754 Views
  • 13 replies
  • 0 kudos