Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on January 10, 2015 at 00:05 Having trouble changing the STM32F4 clock (M4 clock) on the fly, dynamically. When I do, the target fails, sometimes not right away, but within a few dozen seconds. How do I know its failing? I have a task att...
Posted on January 20, 2015 at 15:41 The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on January 16, 2015 at 17:13hello Every one I need 6 usart communications ; in stm32f407 we have only 4 usart and 2 uart Infact I still dont know the main diffirence between usart and uart ; so can I use uart as usart here ? Thank you in...
Posted on January 19, 2015 at 17:40The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on January 19, 2015 at 10:57Hi Guys,I previously had code working with Fatfs and I had LFN enabled but LFN_Unicode disabled. I now want to start using Unicode, but after enabling it in the ffconf.h file, my fat functions return FR_NOT_READY a...
Posted on January 12, 2015 at 10:52Hello, i'm using an STM32F407ZET6 with SPI1, SPI2, SP3 and SWD. SPI1 and SPI2 are always working fine. SPI3 works when the CPU is running without debugging. Whenever I set a breakpoint SPI3 Clock (PortB3) has stran...
Posted on January 16, 2015 at 22:06I can't seem to find the download software link for the CubeMX software? The link I have is here:http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1533/PF259242?s_searchtype=partnumber This link only has do...
Posted on January 19, 2015 at 21:22The complete project is https://my.st.com//public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Attachments/49654/TIM8_OC.zip.I've made a simple test-program, which toggles some LEDs.I'd like PC6-PC9 to toggle automat...
Posted on January 19, 2015 at 21:19I've been reading through this (rather complex) datasheet for NOR flash.http://www.micron.com/~/media/documents/products/data-sheet/nor-flash/parallel/m29w/m29w128g.pdfIt's the same flash that the STM32F439xI EVAL ...
Posted on January 19, 2015 at 20:00Hello everybody! I've a very strange error. I've running application for stm32f407. I can download the code and it's working well. But when I want to debug with CoIDE the code stopped at 1FFF39c4 so in the system m...
