Please, help to start
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
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Can't set PORT B4
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 ...
Timer 3, Interrupt frequency>1MHz
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...
AN3969
Posted on January 04, 2012 at 16:38Whre can I find files for AN3969 EEPROM emulation Regards
Can't calculate a float.
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: --------------------------------------------------------------------------------------...
RTC wakeup fom standby problem
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...
Maximum Output Speed
Posted on January 07, 2012 at 06:09Hi,I am curious as to what the '50MHz' output speed of the GPIO ports refers to (with correct configuration bits set). Is it the maximum frequency of a square wave output, or does it have something to do with the r...
Atollic TrueSTUDIO Lite: Is this a misprint?
Posted on October 09, 2011 at 18:32Hello everybody, Potential new user of ST chips here, feeling somewhat silly for asking this. However: Is the information provided by Atollic in their feature comparison document, v2.2, accurate? I am in particular...
A NACK by the SR1 register and a ACK by the logic analyzer.
Posted on January 06, 2012 at 13:33Hello I've got an issue with I²C. My problem: on the logic analyzer I receive an ACK and by the SR1 register a NACK my checking code: ------------------------------------------------------------------- /* Clearing ...
Access to external memory during DMA transfer
Posted on January 09, 2012 at 10:44Hi all, my question is in direct relation with the AN3241 application note (TFT-LCD direct drive using the STM32F10xx FSMC peripheral). In the application note, two mode are possible (page 11, 2.4.1), ''slide show'...
