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Posted on June 22, 2014 at 12:16There is a bug on the latest STM32F4 usb cdc code. Update the STM32CubeMX and the STM32CubeF4 library to the latest versions. Create a new project and enable RCC HSE with external crystal and HS usb in device mode (in...
Posted on June 23, 2014 at 15:35I have problem with jump to application by bootloader. The device used is the STM32F105R8. The bootloader does not jump in the application,it crashes in the function ''Jump_To_Application()''. The code of the bootload...
Posted on June 26, 2014 at 17:01Hello,I would like to know what happens if I modify the USART baud rate register value very little (+-3%) during a communication. Is it safe or is it essential to stop the communication before updating the BRR value e...
Posted on June 25, 2014 at 07:41 Hello there, I am trying to access an external SRAM, but I have some difficulties to get it right. I am using an STM32F4 microcontroller and an external SRAM - IS61WV102416BLL. The problem is ...
Posted on June 25, 2014 at 02:28 I'm trying to do a simple memory to memory transfer with the DMA2D, but the configuration error flag is being set when I start a transfer. Here is the initialization code: uint16_t *imageBuf = (uint16_t*)0...
Posted on September 03, 2013 at 13:00Hi,I have a working piece of code that takes an input signal on tim3_ch2 (pc7) and outputs a pulse on every 390 counts on tim3_ch1 (pc6). However, i need to use tim3_ch4 (pc9) as input pin for clock signal. I tri...
Posted on June 26, 2014 at 02:24I've spent about three months working on the STM32F439 Evaluation platform and this is my first time taking on an embedded platform single handed and developing software on it, so please forgive my ignorance. I'm tryi...
Posted on June 24, 2014 at 16:36Hello everybody. I have a problem with emWin library. I created 2 windows. At the first windows I have a button to switch to the another window. I use WM_SetFocus(win2) to switch. It working well. But when I want to s...
Posted on June 23, 2014 at 18:10 Dear experts, as a beginner I am starting on a stm32f429-disco board using eclipse with the gnu-arm-plugin and the gnu-arm-eabi toolchain in linux. I adopted the example from ''STM32Cube_FW_F4_V1.1.0/Proj...
Posted on June 25, 2014 at 12:14Hi, I am trying to understand the differences between the different libs for the stm32F4xx development. As newbie its not easy to get the overview. Here are the terms I want to understand: 1) CMSIS: Standardization l...
