STM32 MCUs Embedded software

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USB composite cdc msc OUT io trouble

Posted on February 27, 2018 at 01:05Hey. STM32F746 device transmits constant lenght-garbage bytes from a cdc device while working in composite with MSC interface as well. While enumeration, receiving and SCSI functions work perfectly fine, device se...

Ole Ho by Associate II
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STM32F41xx USB CDC Transmit Problem

Posted on December 21, 2017 at 13:32Hello,    In STM32F41xx, we are facing the problem to send data to PC. Actually we are using CDC_Transmit_FS function to send 60 bytes data to PC. But code getting stuck in if (hcdc->TxState != 0)  return USBD_BUS...

stm32f4 dfu

Posted on December 20, 2013 at 16:22I'm working on a dfu bootloader for stm32 (f4) devices (https://github.com/swinman/dfu-programmer stm32 branch).  I'm using the stm32f407vg and have gotten everything working except the read operation.  When I cal...

winman by Associate II
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HAL_Delay_Microseconds on STM32F302R8

Posted on June 19, 2018 at 19:27I'm trying to find a way to use a delay of 300microseconds in my code.  I'm currently using a F302R8.  I'd like to do this without using interrupts for the time being, if possible.  Is there a HAL_Delay_Microseconds a...