usbpd change from sink to source soft reset
my stm32 set default is sink. when Phone connected, it's sink and the nego finish. after that, I change it to source to charge this phone, but it's soft reset.please refer trace attach
STM32 MCUs Embedded software
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USB host msc stm32f107 stop writing to usb memory stick after 30-40 times. f_open() return FR_DISK_ERR
Hi. I'm tring to save data to usb memory stick. this is main fuction :while (1) { /* USER CODE END WHILE */ MX_USB_HOST_Process(); /* USER CODE BEGIN 3 */ switch(Appli_state) { case APPLICA...
STM32H7 ADC1 DMA Works while ADC3 DMA does nothing
So I have two channels configured basically with same settings. ADC1 works fine and DMA gets triggered and handled well. ADC3 DMA refuses to trigger any interrupt (not even an Error). The only difference is that ADC1 handles 14 channels while ADC3 ha...
Hello guys, I am on project that requires over the air firmware update Is there any guide+firmware for this task (eg from CUBEMX)?
I am using Nucleo-f446re and communicate with a server trought a GPRS telematic device ( the communication with the telematic device is through uart protocol). My average firmware size is 35kB. I can safely transmit the hex file to the MCU but I ne...
I want to wakeup from standby-mode in less than 20msec.
I want to wakeup from standby-mode in less than 20msec.I want to wake up from standby-mode in less than 20 seconds using Periodic auto-wakeup, but I can't wake up below 22 msec.Could you tell me if there is any good way?The following HAL driver is us...
CMSIS DSP arm_rfft_q15 troubleshooting
Hello I am trying to perform FFT on real data sampled with ADC However, first I need to perform it on test data that I generated inside my code to verify it would workI set parameters: frequency, buffer size, sampling rate (buffsize 512)then I gener...
STM32F103 USB doublebuffered BulkOut endpoint problem with transfers bigger than 64bytes
Hello, I have an project with STM32F103 and using CubeMX drivers. I successfully setup the driver, but I have a problem when trying to send out from pc packets biggest than 64 bytes. (64bytes is the enpoint buffer & max packet size). On PC I'm using ...
f_open not working in stm32f4 with FATFS
I'm using STM32F4 Discovery board and its expansion board for SD-card interfacing. I'm using SD-cards with DMA2 and STM32CUBEIDE FW_F4 V1.24.2Before pointing out error I want to attach below link as a reference which I've used in my code -https://co...
Resolved! Custom Bootloader STM32H750
Hello,I am developing a simple GUI for a custom board based STM32H750 MCU.My requirements are the following:Both application code/data and touchGFX images/fonts are stored in and external QSPI (0x90000000) The entire application must be executed in t...
