Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on August 16, 2012 at 20:52 Hello! Looks like there is a subtle bug in the USB CDC device implementation. I played recently with STM32F4DISCOVERY board. In order to test USB operation in VCP mode I've created simple code which just echo ev...
Posted on December 14, 2012 at 21:39Hello :)I'm trying to programm a virtual com port with the stm32f4discovery.In the official document of STM called ''STM32F105xx,... USBOn-The-Go host and device library'' there are the following arguments for USB...
Posted on October 17, 2012 at 12:35 Hello, I'm using USB in my application so I cannot use any low power mode, not even __WFI(). I'm trying to understand what drives the power consumption of theMCU when using a while(1); loop in ...
Posted on December 14, 2012 at 15:45helloI'm new in programming STM32 cardsI ask for your help. I try to use the example of IIC EEPROM on a map STM32 VL-Discovery.IAR tells me errors when building. the errors are in the main.cit does not recognize t...
Posted on December 14, 2012 at 16:04Hi, I downloaded the evaluation firmware that came with the board,and tried to play with the RS-232 ,but it does not work. I configured the baud and everything correctly both on the PC and on the eval board. Can i...
Posted on December 13, 2012 at 19:18 Hello Community, A peculiar situation with the I2C has caught me off guard, Some Background for you:- System Details:- 1) Hardware: STM32F103T8U7 communicating with an Atmel ATTiny4313 ove...
Posted on December 14, 2012 at 19:21There seems to be conflicting information on the location of the option bytes on the STM32F4. The STM32F4xx flash document says that they start at 0x1fffc000, but the F4 STDPeriph library uses the address 0x40023C...
Posted on October 04, 2012 at 13:20hi all,i am recently working on a project that sending AT command to gsm module from stm32f100c8 via usart and receiving response with interrupt but i am very confused about usart interfaces.i cant receive respons...
Posted on December 11, 2012 at 01:56Can an interface SDIO in STM32F2XX read/write micro SDHC UHS-1 cards? Are there any examples, experience of this type of operation? What was the maximum speed of writing to the card? #sdio-stm32f2xx-microsdh...
Posted on December 14, 2012 at 08:30HEllo ALL, I am using stm32f2 and i have programmed USART which is interfaced to GPS. The problem i m facing is, When USARt is enabled, i always get the my RXNE interrupt set, since GPS sends data continuosly and ...
