Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on January 11, 2012 at 01:31It's strange, I don't have a transmission with this function and I don't know why. State of registers after USART_Cmd(USART1, ENABLE) is: SR -> 0x000000C0 (OK) DR -> 0 BRR -> 0x00000683 (for HSI = 16 [MHz] -> OK) C...
Posted on December 22, 2009 at 08:32New to STM32 , need a good tutorial. #fail
Posted on January 03, 2012 at 17:46Hello. I’m beginer in STM. I know how use adc, timers, interrupts etc.. I use Atollic TrueStudio, and I don’t know how use DSP. I know that i must use CMSIS library, but i don’t know how i must start this in...
Posted on September 19, 2011 at 13:27Hi everyone, I want to use usb in stm32f205 In documentation http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00237391.pdf on page 12 it is written that this microcontroler has ...
Posted on December 18, 2010 at 12:29I have STM32VL-Disco, EWB5.4 ARM compiler.Please, help to me ''hello word'' :) Built in firmware work good, but I think debug it ;) and try to program my own project
Posted on January 10, 2012 at 21:50Hello guys, i have a problem.I can't set port b4 on STM32VL-Discovery.I tryed with debug and on watch window it is set, but voltage stay 2.4V.I tryed and other, to reset port b4.But there it's still stay 2.4V.Just ...
Posted on January 11, 2012 at 23:54How to get interrupt frequency bigger than 1MHz ? I have Discovery F4 Board and use Timer 3 as TIM_TimeBase Example. I have code as follow: __IO uint16_t CCR1_Val = 10000; __IO uint16_t CCR2_Val = 1000; __IO uint16...
Posted on January 04, 2012 at 16:38Whre can I find files for AN3969 EEPROM emulation Regards
Posted on January 10, 2012 at 11:41A little question, When I'm trying to calculate a float I'll get ''ISR HardFaultVector_IRQn'' What am I doing wrong? My code: --------------------------------------------------------------------------------------...
Posted on January 10, 2012 at 12:31I'm having a strange problem when waking up from standby mode via an RTC alarm. All works as expected when there is no bootloader. Once I start using my custom bootloader the chip wakes up on RTC alarm but stalls w...
