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Resolved! Why HAL_UART_Transmit_DMA(&huart2, buffer, n) doesn't work properly inside Timer interrupt callback function?

Greeting Everyone,May I have some little help here? I'm currently using STM32F303K8. I had experimented with HAL_UART_Transmit_DMA function within "the main while loop" and the TIM6_DAC1_IRQHandler(void) which was called from TIM6 in Time Base modeMy...

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NNang.1 by Associate II
  • 1231 Views
  • 5 replies
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Resolved! STM32F103RCT6 simple blinking led problem.

Hi. First of all I want to thank you for giving time to this post. When i create bare metal program for blinking an LED don't work. The LED don't blink but when i enter DEBUG Mode with KEIL uVision the bit 0 in ODR resgister for GPIOC toggle every 1 ...

LDani.1 by Associate
  • 1944 Views
  • 3 replies
  • 0 kudos

X-NUCLEO-IDB05A1 fireware update field!

Hi, I is developing a BLE appilication using X-NUCLEO-IDB05A1 module. I use FlashUpdaterTool (Version 2.1.0) to connent my NUCLEO board of L476RG (VirtualCOMPort Application V0.0.1 ), which connect X-NUCLEO-IDB05A1 module. During updating the fire...

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xqiu.1 by Associate
  • 380 Views
  • 0 replies
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RTC second advanced and SSR greater than PREDIVS

Hi,​I​ am using stm32f779 RTC upto subseconds granularity that is using SSR register value for giving upto milliseconds level of time output .The scenario is such that there is external time source ( network clock) to which I synchronise RTC by updat...

A Maq by Senior
  • 813 Views
  • 3 replies
  • 0 kudos

DMA Problem with USART

Hello,I have written these codes for transmitting an array to USART.1)The Message[21] Array fills up every 200us. It sets Flag=1 when data is ready.2) If the user makes the PB11 pin low it starts DMA section to transmit the data.(All data will transm...

parisa by Senior
  • 630 Views
  • 1 replies
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Resolved! Starting timers in one pulse mode

Hello everyone,I read many of the posts on the forum and couldn't find an answer to this question: is there any way to start timers in one pulse mode other than through an external stimulus? that is, only through software? How could it be done?I am l...

LCatL by Associate II
  • 2440 Views
  • 2 replies
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STM32L4xx reference manuals System clock (SYSCLK) selection

RM0351 and RM0392 (and maybe others, haven't checked them all) contain this in the System clock (SYSCLK) selection sectionStatus bits in the Internal clock sources calibration register (RCC_ICSCR) indicate which clock(s) is (are) ready and which cloc...

berendi by Principal
  • 809 Views
  • 2 replies
  • 1 kudos

Resolved! STM32F429I-EVAL Board FW

Hi -I have a STM32429I-EVAL board. Before I start mucking about with it, I would like the original firmware file (bin or hex file). I may want to go back to the original demo fw at some point. Here is the system info:Demo Rev: 1.4.5Board: STM324x...