STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Bug in STM32Cube FreeRTOS wrapper (with fix)

Posted on July 23, 2015 at 12:19Hello. There is a bug in the cmsis_os.c file: at line 757:   return xQueueCreate(queue_def->queue_sz, (uint32_t) sizeof(queue_def->item_sz)); sizeof(item_sz) is always 4, so all queues are created with element size = ...

konovod by Associate
  • 446 Views
  • 2 replies
  • 0 kudos

TIM triggered DMA to USART2 fires only once.

Posted on October 26, 2015 at 14:47 On an stm32f411 Nucleo, I'm trying to generate a DMA request to transfer data from memory to the USART2 data register at every compare event (when CCR1 matches TIM3_CNT). To this end, I have, in order: ...

sohail by Associate II
  • 413 Views
  • 2 replies
  • 0 kudos

STM32F030R8 Timer 3

Posted on October 26, 2015 at 16:44ST Community - An application has the current design parameters for a Cortex M0 device STM32F030R8:CLK: 20MHz external xtal on (PF0 & PF1 RCC OSC) internal PLL to 40MHz (25ns).Regarding Timer 3, I want to create a ...

Cortex M0 - STM32F030R8 Internal Timers and ADC

Posted on October 26, 2015 at 16:18ST Community - An application has the current design parameters for the STM32F030:CLK: 20MHz external xtal on (PF0 & PF1) internal PLL to 40MHz. Complete. MCO: 40MHz CLK/2 = 20MHz out on PA8 (MCO alternate function...

Half cycle acces ob F1/F3

Posted on October 26, 2015 at 15:56Hello, what is Half-cycle access  (FLASH_ACR_HLFCYA) for? It may be used with slow clocks ( < 8 MHz)  and AHB divisior = 1.

I2C Problems

Posted on October 11, 2015 at 15:24 Hello, I tried to test the I2C interface on a STM32: #include <stdio.h> #include <stdlib.h> #include ''diag/Trace.h'' #include ''stm32f4xx_hal.h'' #include ''stdint.h'' int main( int argc,...

UART_DMA Delay ?

Posted on October 26, 2015 at 20:20Hi,I  have connected two MCU's through UART.I want to send a string from MCU 1 to MCU 2.once the MCU 1 sent the string it need to wait for some time to receive the reply from MCU 2.If MCU 1 did not get any reply fr...