Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on April 22, 2017 at 08:12Do i need a pullup 1.5K resistor on D+ for USB Full Speed when the USB is configured as a Device (peripheral)? I recently build a custom circuit board without the 1.5K pullup and the PC didn't detect it? unfortunate...
Posted on April 20, 2017 at 18:01STM32F437This is an update from my previous thread:https://community.st.com/message/154808-stm32f4-adcdma-always-returns-same-value The ADC2 DR has the right value in it but the DMA is not working as I thought it wou...
Posted on April 23, 2017 at 09:44After using STM32CubeMX (4.20.1) to use LwIP 2.0 with UDP, TCP and HTTP successfully I try to use SNMP and enable SNMP. After code generation, compiling in SW4STM32 (1.13) fails with many attributes in some structure...
Posted on April 23, 2017 at 09:59Presently I am porting a project from the CooCox platform (lwip 1.4.1) to SW4STM32 platform (lwip 2.0). This portage is almost straightforward except for the porting of the SNMP agent.I do the portage on a STM32F4 bo...
Posted on April 21, 2017 at 00:02I am using the ov9655 camera for image processing with the STM32F4 microprocessor. I want to convert the camera format from RGB to YUV(grayscala) . How can ı do it ?/* OV9655 Camera size setup */ #if defined (QQVG...
Posted on April 22, 2017 at 16:17Hi, I am trying to use ADC with DMA on the STM32F407 in two channels (PA1 and PA2), so, basically I created the project using CubeMX, exported it to Coocox, ran the debug to fill the vector and imported these points...
Posted on April 21, 2017 at 23:20HiI use STM32f779 and i have TFT LCD 800x480 controller tft is RA8875 . I want to transfert my images to flash after i need to transfert to SDRAM and transfert to controller RA8875 . Can you help me how transf...
Posted on September 02, 2016 at 08:34Hello.I want to use the USB High Speed with the class CDC in device mode. I am using the STM32F746G-DISCO board.I have created a project with STM32CubeMX , here there is the configuration : MiddleWare : USB DEVIC...
Posted on April 22, 2017 at 00:54Hi there people!Ive got one big but a very basic question for yallIm just curious if following things are even possible and is this forum right place to find infoIve never ever been into this so know absolutely nothi...
Posted on April 21, 2017 at 23:33HiI use STM32f779 and i have TFT LCD 800x480 controller tft is RA8875 . I want to transfert my images to flash after i need to transfert to SDRAM and transfert to controller RA8875 . Can you help me how transf...
