Posted on April 01, 2015 at 19:41Hello, I'm implementing my own boot loader code for stm32f4. In this boot loader I want to implement a hid class updater (for device firmware) which accept DFU class specific requests. On the PC side I want to modify...

Posted on November 24, 2014 at 07:54Hello there,I am using Lwip library for Ethernet implementation. I poll for the Ethernet packet in main loop. Then the packet is passed to further libraries to process it. Meanwhile I have also to receive 8 bit da...

Posted on August 09, 2014 at 06:51Hi there! I'm using my stm32f4 timer 5 in encoder interface mode. In reference manual it is written for CCxNP/CCxP pins that they should not written 11 (i.e. polarity of trigger on both edges) in encoder interface m...

Posted on August 06, 2014 at 11:49Hello there!I've interfaced 128 MB(16 bit data bus) sdram through fmc interface in my stm32f429 device. Initialization and everything seems ok. Reading/writing to sdram is ok for small chunks. But writing 12 MB or l...

Posted on April 19, 2014 at 16:52Hi there, I've designed a board on stm32f407zgt6 earlier and succeeded to connect my board with st link. All SWD connections were directly taken out from controller with no external pull-ups or pull-downs. Now again ...