Hi AllCan anyone explain this?I have a USB FS device driver which works as USB-MSD class but when I try to use the same driver for USB-CDC class it fails when the USB host sends a specific control transfer consisting of a SETUP token followed by a no...
I am using the USBD driver provided by your company to communicate via USB as a virtual com port in STMCube32_FW_F7_V1.7.0. I am using the STM32F7 series. When I receive messages, the buffer fills with additional characters at the end. I have not edi...
I am trying to employ the ST bootloader to upgrade firmware over UART. Problem is, the bootloader refuse to run when called from the application. Based on a debugger log it returns after doing some condition check. I don't know ARM commands to tell w...
I use __HAL_SYSCFG_REMAPMEMORY_SRAM(); this function ,but MX_USB_DEVICE_Init(); can't work.After I went to debug tool ,it appear cannot access memory this problem.I don't know how to solve it.Maybe it should register address problem,or init address ...
Hello,what whould be the ideal mode to generate a shifted 4-channel PWM for a Phase-Shift Converter? A timing diagram is attached. The Turn-On- times of all switches are equal.kind regardsMichael
Hi. I need to create USB MSC Device on STM32F407. I use CubeMX for create project. When I compiled the project with MSC_MEDIA_PACKET = 512 windows did not see the mass storage device, then I changed MSC_MEDIA_PACKET = 256 and windows saw the mass st...
Dear ST Community Members,I want to read a value from 2 ADC channels on STM32L031,How can I do that using polling conversion ?Thanks
I'm building an application where the flash is divided to facilitate firmware upgrades from a self written bootloader. If I try and run run the code without the bootloader on the MCU with the start address 0x08008000 the SysTick does not run. I assum...
Disclaimer: I am using V1.14.0 and have not edited the HAL or LL divers. I am running the chip at the USBD CDC example project settings. I am communicating at FS.I am seeing this(hpcd->OUT_ep->xfer_buff) buffer populate with additional/non-existent c...
Hi, I want to send five,16 bit data over SPI. WHile executing the code i cant see any transmission. What i wanted isSS = 0 -> 16 bit data1 -> SS=1, SS = 0 -> 16 bit data2 -> SS=1,or2, SS=0 , word0, word1, word2,word3, word4 ss=1i tried both methods b...