does timer Callback erase some value of poiteur. i used a poiter to CAN_HandleTypeDef then i initialised it, after that i set a timer with 1ms period, and when callback timer is called i lose my seeting of CAN_HandleTypeDef , the fileds which changes...
I can't get into boot loader mode (from what i can tell). The PC won't detect the USB port etc.What I've tried:I tried dumping the code to STM32F407 MCU through RS232(Flash loader), com port is detecting after that when we enter next it is showing ...
Hi,we are trying to communicate with STM32F769I discovery board as spi slave with another master device.We wanted to know how to configure the Chip select line
Hi,I had been working with a project using a STM32F411RE device, with the STM32F4 package version 1.24.0. I installed the version 1.24.1 and would like to update the project, but when i open the Cube project it doesn't ask me for the update.Is there ...
No question, just an observation. In App Note 2606, the latest rev 37 dated 6 May 2019... for the STM32F412xx, Table 3 shows the bootloader ID as 0x91, but in Table 126 it is shown as 0x90.I also found another error after transcribing all those data...
I am not sure how to ask but some functions in HAL libraries, just starts with HAL prefix, for exampleHAL_GPIO_WritePin() ;But also some macros start with double underscores for example__HAL_GPIO_EXTI_CLEAR_IT() I know that ones are macros and others...
Hello,I already got the STM32Cube Mouse to work an modified it to work as keyboard using some other example. I have read documentation like USB in a nutshell and others alike. My problem is that I understand how the USB works in theory but I don't se...
Hi.I am going to develop a “box�? that shall have a USB port (device) to be connected to a PC for SW downloading (to the “box�?) as well as other two-way PC-to-box communications (a PC for monitoring the “box�? and its contents). We also need one I2...
I am trying to implement a USB Host for keyboard and mouse. I have successfully implemented the demo that is shown here:https://www.youtube.com/watch?v=MlhUG4GsOT0Key presses are all being received successfully by the host. I am struggling with how a...
