GPIO question
Posted on November 15, 2013 at 11:53Hi to everybody, doesn anyone knows if is it possible to read the pin's state when the GPIO is configured in output mode? I made a quick test, and seems not to be possible.
Forum Posts
RTC fails synchronisation and initialisation
Posted on November 14, 2013 at 05:19Hello ForumI have some code to initialise my RTC, compiled with Keil. This code works on the MCBSTM32F400 Keil eval board, but is not working on my target hardware. The program fails on ''RTC_WaitForSynchro'' and ...
ADC sampling rate
Posted on January 17, 2013 at 10:19I want to sample 1Mhz signal from stm32F4 discovery using ADC1 channel 7. I get 100Khz sample fine, but above it, sampling is not proper. how can I increase sampling rate or what can be the problem? #ampling-rat...
GNU ARM compile problem, FLASH_KEY
Posted on November 17, 2013 at 19:06Hello,I am using GNU ARM gcc version 4.7.4 to compile a simple LED flasher using STM32_USB-FS-Device_Lib_V4.0.0. I am getting the following error: -I/AddIns/Development/STMicro/STM32_USB-FS-Device_Lib_V4.0.0/Libr...
STM32F050F6: 1or 2 USART?
Posted on November 18, 2013 at 00:11The device selection says 2 USART, The datasheet says:'1 x USART supporting master synchronous SPI and modem control; one with ISO7816 interface, LIN, IrDA capability auto baud rate detection and wakeup feature'Bu...
stmf4 external interrupt
Posted on November 15, 2013 at 16:35I have a rather simple problem. Just trying to run the external interrupt on pin PA0 on stmf4-discovery without the library functions. It ran correctly on simulation trial using stm32f103 device. But I'm missing o...
Change Device Description for STM32 Virtual Com Port in Windows
Posted on November 17, 2013 at 15:14HiI am using an STM32 in a project as a Virtual Com Port, everything is working really well, however i would like the Virtual Com Port to appear with a custom Device Description in Windows device manager. Would an...
How to achieve max. accuracy for static timing event
Posted on November 17, 2013 at 00:24Hello :)I want a timer to execute ISR all 4 ms but for academic reasons (interest) I want it as accurate as possible. So I chose TIM_Prescaler = 0 and TIM_ClockDivision = 0.Is there anything else that could increa...
STM32VL Discovery -> Strange Voltages
Posted on November 16, 2013 at 19:21So far from the help here (mainly clive1) I got my timers running, GPIO initialized and some demo code running. The device I am trying to control is not recognizing the data I am trying to send to it so I dug a l...
mistake in stm32f4xx.h
Posted on November 16, 2013 at 17:31to be migrated, sourceId: 35463:697285D7-A9CA-445D-B16C-F23BF0E3B1A3 #stm32f4
