Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.
Hi.I am currently trying to have USB virtual com port to work on STM32L462CEU6. I made simplest project using IDE, just enabling usb then setting the usb class to be CDC. Nothing fancy, no more things than setting the 48mhz clock and flashing cpu. No...
Hello,I am using the USB CDC of NUCLEO-F767ZI board. MY firmware can transmit and receive OK through the USB CDC. However, I cannot receive more than 64 bytes, only the first 64 bytes are received. The transmission is OK, it can send more than 64 byt...
Hi all,I am trying the example of USB CDC in:https://www.youtube.com/watch?v=rLnQ3W8gmjY&list=PLnMKNibPkDnEEvQWrDqVuu1w_iQ214GXi&index=35It uses the above functions.But when I compile, I get :undefined reference to `USBD_CDC_SetTXBuffer' and to USBD...
I want pass UART_HandleTypeDef *my_huart at function HAL_UART_Transmit and and mange the response with interrupt. The code is show below but doesn't work. Can you help me?//This is myfile.cvoid myfunc(UART_HandleTypeDef *my_huart){ char command[] ...
I generated a USB Host for HID Class with CubeMX, but when I connect a mouse, its LED at the bottom doesn't light up.Debugging through USBH_Process(), phost showed the status as HOST_IDLE and CMD_SEND.To further debug this, I've set the debug level o...
Hi,I've used products in the STM32F4 family, but I have two new projects using the STM32L433 and STM32L432. For both of these projects, I am able to write and verify the flash, however I cannot seem to get the chips to boot from it. They always seem ...
Hi All,I notice a bug in the HAL_GPIO_TogglePin() when there are two pins with different voltage level. E.g. GPIOF, Pin9 = 1 and Pin 10 = 0. It turns out Pin9 was 1 and Pin10 =0, then Pin9 and 10 = 0 then 1 and so on. Support it should be Pin9 != Pin...
I am using the STM32F4 family. I have configured a GPIO pin as output push pull with no pullups. Speed is also set to low frequency. On some occasions, the GPIO pin seems to switch polarity on its own eg. when I set to low, it will sometimes switch i...
Hello:Problem Description: When I run STM32H7 + USB_HOST bare metal, the USB HOST peripheral of STM32H7 can work normally. When I add USB_HOST to Free RTOS, the program will get stuck in the USB enumeration process to get the device descriptor. at t...
I'm going to write a new code to replace HAL_GPIO_ReadPin(), HAL_GPIO_WritePin() and HAL_GPIO_TogglePin() using direct low level memory reads, writess, and logical operation on the STM32f4.I think about a lazy way can i use the debugging to track the...
