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

STM32F1 - __nop()

Posted on September 06, 2013 at 03:54The code I'm porting use the __nop() function the delay but I don't have that function on F1, should I use the systick instead?https://github.com/metropt/STM32StepperDriver/blob/master/Source/main.c#L28thanks :)

ee06091 by Associate III
  • 4581 Views
  • 1 replies
  • 0 kudos

BSRR - F4 vs F3

Posted on September 06, 2013 at 00:09 Hi, I'm porting a code from F4 to F3 and one of the erros I'm getting is: stm32f_stpdrv.c: In function 'TIM3_IRQHandler': stm32f_stpdrv.c:192:20: error: 'GPIO_TypeDef' has no member named 'BSRRH' s...

ee06091 by Associate III
  • 869 Views
  • 6 replies
  • 0 kudos

Addressing 16-bit variables 512K SRAM

Posted on September 04, 2013 at 13:05Hi everyone. I can't get my head around this ... I was using a SRAM memory of 128K in a project, interfaced via the FSMC controller, but now I have to extend it to 512K. I have 16-bit words to store in the memory...

How can I use PA11 and PA12 as USB connection ?

Posted on September 06, 2013 at 01:25Guys, I made my own development board with STM32F103VCT6, My question is, How can I use PA11 and PA12 as USB connection ? and how to modify the code from ST, Mass_storage application, so it can be used for my boa...

oscillator sellection

Posted on September 05, 2013 at 16:24hello i designed an eval board base on stm32f107RC myself and i want to program it by using dfu bootloadert then i should download the bootloader file(IAP) from this site so i did this .now do i have to put a 25M...

morykeys by Associate II
  • 1275 Views
  • 6 replies
  • 0 kudos

USART escape sequence and interrupt.

Posted on September 05, 2013 at 18:30Hi,I am usingSTM324x9I-EVAL, which has a 32F439 chip with Keil tools chain and StdPeriph Lib, 1.2RC2, FreeRTOS 7.5.The following is the section of interrupt code.void USART1_IRQHandler(void){  portBASE_TYPE highe...

tonyyu by Associate II
  • 854 Views
  • 3 replies
  • 0 kudos

Encoder input pulse counting

Posted on September 04, 2013 at 06:10 Hi All, I have a hall effect sensor outputting 0-5V square wave. This is connected to TIM2 CH1 (PA15) on STM32 M4. I am having problems converting this output to RPM value. The output varies from...

stm3220G-EVAL DFU image templet (TASKING)

Posted on September 04, 2013 at 10:39Hi   I'm trying to create a dfu image in TASKING for stm3220G-EVAL. For bootloader I'm using ''STM322xG-EVAL_USBD-FS'' from the STM32_USB-Host-Device_Lib_V2.1.0 library.     The binary templet example in STM32_U...