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usb mass storage

Posted on January 07, 2014 at 12:12Hello Im using stm32f217 for usb mass storage in host mode. when I connect my pendrive it is getting detected but port not getting enabled(i.e.penchng bit in otg_fs_hprt register is not setting by the core).So th...

USB desvice descriptor viewer

Posted on January 06, 2014 at 12:19Hi all,I am looking for a free tool for ''USB device descriptor viewer'' running on windows.Does anyone has this kind of tool?I think there is someting from Microsoft but I didn't find it in the web.

Char array of 1024 causes incorrect behaviour

Posted on January 05, 2014 at 18:36Hi,We have a simple bit of code simply turning on an LED, however when initialising a char array of 1024 anywhere in the code the project is still built, but fails to enable the LED (or anything else, but we've str...

rowangee by Associate
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How to convert integer to string?

Posted on January 02, 2014 at 11:47struct tm time;    char year[50]; Guys, I want to display year into LCD screen but I got 00 on LCD, any clues on how to do it ? thanks  printf(''Time: %d-%d-%d   %02d:%02d:%02d \r\n'', time.tm_year, \              ...

STM32F4Discovery - Problem with EXTI portC

Posted on January 06, 2014 at 11:32In my test code below the four leds flash (as expected). The EXTI15_10_IRQHandler fires when i bring PA13 to high or to low. However when i bring PC13 to high/low, nothing happens. it took me almost a week on googl...

naquan by Associate
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NAND flash library

Posted on January 06, 2014 at 10:32I was looking information about this library. http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/DM00091013.pdf Anyone know if it is available freely (if yes where) or if I must bu...

STM32L162 FLASH_SR=0x0000050C after reset

Posted on January 01, 2014 at 11:49I wrote SWD interface using my hardware And wrote small bootloader to RAM of stm32l162.But I cann't to flash data because FLASH_SR always equal 0x0000050C.And rigth after power on and reset FLASH_SR=0x0000050C too....

yakimkin by Associate
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2channels ADC + DMA + TIMER

Posted on January 04, 2014 at 22:51 Hello, I would like to sample 2 analog channels with 100kHz (STM32F429 disco). I found examples only with one channel. I tryed to edit it, but my code dont work. If I placed breakpoint into DMA2_Stream4_...

tom23 by Associate II
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thakns JW, but it doesnt work

Posted on January 06, 2014 at 17:40From: waclawek.jan Posted: Monday, January 06, 2014 1:34 PM  Subject: STM32F030F4P6 I2C Slave Transmitter Problem : TXI event triggered more times than requested by I2C master  RM0091, Rev4, 24.7.7 (I2Cx_ISR), Bit ...