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Posted on August 26, 2012 at 13:35The device has a fixed pullup on D+ (1.8k resistor to 3V). In software I am switching back and forth between a USB DFU bootloader and a non-USB application. My problem is that after returning to the bootloader, it i...
Posted on April 22, 2012 at 20:52Hi, working with the STM32F103 processor, I`m searching for a solution to sychronize a STM32 timer to an external input signal. This signal has a constant frequency of e.g. 24Hz or 30Hz. Using a input capture timer...
Posted on August 17, 2012 at 18:13Hi there.I am trying to get the STM32F4 DSP library to work together with the CoIDE (http://www.coocox.org).Currently I have compiled the DSP math library with GCC using Keil, where I opened the GCC library project....
Posted on August 24, 2012 at 09:28As I understand the programming manual (DM00046982), a Cortex M4 processor as the STM32F4 can only work with Thumb mode (T2 I think). But if I use the ST4Discovery with Keil uVision, in the Dissambly I see as well 3...
Posted on August 25, 2012 at 11:19hello eveyone, I am currently using USB FS library and also systick interrupt to time some operations in the program. USB library works fine when used, and systick also works fine (used basically to mae some delay F...
Posted on August 25, 2012 at 09:51My program wont start up, and i don't know how to solve this / where to start searching. When i try to debug my program, it won't jump to reset_handler as it first jump's to normaly.now at startup it jump's first to...
Posted on August 24, 2012 at 09:27Hi , I'm new to STM32. Just designed a new board and assembled a prototype, but it does not work. when I connect J-link to it through SWD (three wires) interface, and start debugging, uVision4 gives these warnings: ...
Posted on August 22, 2012 at 19:53Look For USB Driver for STice emulator if there. My Windows 7 does not recognise STice Board. Please Help Tanks Abdul
Posted on August 24, 2012 at 14:51hi i have a problem with the stm32w mb851a i would generate a random number. i have try to use the function rand() and I include header filebut when i execute the program it jump at void __attribute__ ((weak)) Defa...
Posted on August 24, 2012 at 15:31Hi all, I have this problem: When I download my firmware on the discovery EVM (using ST-link) eve1rything goes right and when I power up again the board (after a power-off) the firwmare is present. When I do the sam...
