STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

UART STM32F429 & STM32F407 discovery

Posted on June 13, 2014 at 09:05Hi, I'm testing the two discovery STM32F429 and STM32F407. What I've done so far is that the 429 sends data to the 407 through UART4. The 407 interrupts at every character received, and all works fine! If I do the opp...

ccm use in keil

Posted on June 13, 2014 at 08:35Dear all ,i want to use the ccm (stm32f407) at the keil uVision , but i did't find the way how to write the scatter file ? could you give me a way how to use the ccm in the keil ? thank you . #ccm

FPU in IAR IDE

Posted on June 12, 2014 at 18:22Hello,        I am using the STm32F4 discovery demo board and using the IAR IDE tool chain, Can anyone tell me how to use(enable) the Floating Point unit.Thanks for ur help.RegardsSameer  

Simple Timer TIM7 ''update event''

Posted on June 12, 2014 at 02:03 Why do I get an immediate update event when I configure TIM7 like this: TIM7->CR1 = 0; TIM7->PSC = 7199; TIM7->ARR = 2000; TIM7->DIER = 0; TIM7->CNT = 0; TIM7->CR1 = TIM_CR1_CEN; while ((TIM7->SR & TIM_SR_UIF...

gene by Associate II
  • 808 Views
  • 5 replies
  • 0 kudos

STM32L051 Development

Posted on May 25, 2014 at 19:09Folks, The STM32L051 looks like a good device for a new project, but there seems to be no-one stocking it and there seems to be no dev kit. Can I use the STM32F0 discovery and any code will be essentially drop-in when ...

DiBosco by Senior II
  • 476 Views
  • 3 replies
  • 0 kudos

STM32 L1 Discovery - Failed to read CPUID for Cortex device

Posted on June 12, 2014 at 14:12Hi, I am using the IDE from EWARM IAR Embedded Workbench for ARM 6.40.2 and a ST-LINK to download the demo project to the evaluation board STM32L152RCT6 and I get the error Failed to read CPUID for Cortex device    Be...

ecatala by Associate II
  • 533 Views
  • 1 replies
  • 0 kudos

STM32F100C6, ADC & DMA

Posted on June 09, 2014 at 21:37 Hello, I have a problem with configuring ADC & DMA. This is the code ADC RCC -> APB2ENR |= RCC_APB2ENR_ADC1EN; ADC1 -> CR1 |= ADC_CR1_SCAN; ADC1 -> CR2 |= ADC_CR2_EXTSEL_0 | ADC_CR2_EXTSEL_1 | ADC_C...

peter_l by Associate II
  • 766 Views
  • 4 replies
  • 0 kudos

Disable FPU in STM32F4 on RTX

Posted on June 12, 2014 at 10:34There is a problem, when I using FPU in some RTX task because FPU instructions is also used in RTX's SVC_Handler. So I've decided or disable FPU globally in project (didn't work, cant compile HAL_CM4.c) or disable for...