STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Resetable DMA for predefind amount of transfers

Posted on February 10, 2018 at 20:49 Hey everyone, I've got a small issue. I've got a Dma that fills a buffer(Double buffer so 2 actually) with data at every rising clock edge. I only want this clock to trigger the DMA 192 times until a reset s...

0690X00000604JgQAI.jpg 0690X00000604JqQAI.jpg 0690X00000604MeQAI.jpg
con3 by Senior
  • 673 Views
  • 4 replies
  • 0 kudos

Calculate the Baudrate in SPI?

Posted on February 10, 2018 at 19:56How do I calculate the SPI baudrate in nucleo STM32F103RB?In reference manual it says, Bits 5:3 BR[2:0]: Baud rate control000: fPCLK/2001: fPCLK/4010: fPCLK/8011: fPCLK/16100: fPCLK/32101: fPCLK/64110: fPCLK/12811...

STM Cube MOOC course not accessible

Posted on February 10, 2018 at 18:38Hello,I've tried accessing the MOOCs courses, I got a confirmation email about my registrations but I never received log-in details after registering for this. Are you still running this course? If so, how do I ge...

Resolved! DTCM and SRAM parallel access

Posted on February 08, 2018 at 15:49 Hey everyone, I'm using a STM32f722ZE. I wanted to know if I allocate two 32KB buffers. One being in SRAM1 and the other in DTCM, With a double buffer DMA2, can the CPU and DMA run in parallel? To my underst...

0690X00000604JMQAY.jpg
con3 by Senior
  • 992 Views
  • 6 replies
  • 0 kudos

I2C wrong slave address with STM32F429

Posted on February 09, 2018 at 14:52STM32F4xx HAL drivers V1.7.3 / 22-December-2017I get some data by HAL_I2C_Master_Receive_DMA() and HAL_I2C_Mem_Read_DMA()I found that a wrong Slave address could be sent when using the HAL_I2C_Mem_Read_DMA() due t...

STM32H743 - 208

Posted on February 10, 2018 at 01:57Dear ST, when would you think, the 208 pin part will be available ?https://www.digikey.com/products/en/integrated-circuits-ics/embedded-microcontrollers/685?k=stm32H #h743-208

T J by Lead
  • 300 Views
  • 0 replies
  • 0 kudos

Atollic TrueSTUDIO

Posted on February 09, 2018 at 00:47I would like to know if there is a possibility from the Atollic channel TrueSTUDIO on You Tube, that tutorials are uploaded from scratch, that is, from the simplest as creating a project, loading libraries, import...

STM32F767ZI Quadrature Encoder accuracy problem

Posted on February 09, 2018 at 18:00For an industrial application I use 3 timers, two for encoder input (TIM1 and TIM4)and one with a combined XOR (TIM2).Source signal is the same for all 3 timers.An interrupt callback for the XOR timer saves the el...

Problem with QSPI in STM32F7

Posted on February 06, 2018 at 12:56Hello.I have a problem with QSPI. I try everything, but program doesn't work.I split my program to some parts.qspi_gpio_ini(); /* Init GPIO pins */ qspi_dma_init(); /* Init DMA */ qspi_init(); /* Init QSPI */ qspi...

SPI with DMA - little problem

Posted on February 08, 2018 at 10:03Is there any posisibilities to clear SPI FIFO before calling to HAL_SPI_Receive_DMA ? If We don't do it than we get old data in read buffer. I found  that only way to do it, is reading RX so many times, as the fif...