STM32 MCUs Embedded software

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STM32F4 USB Polling interval

Posted on June 22, 2016 at 06:58Hello,Using the processorSTMF401VETx I generate the project with STM Cube: STMCube Mx version4.12.0 library STM32CubeFW_F4 v.1.10.0I used the midlewarelibraries included in the framework to develop a USB HID device.A ...

Having trouble with DFU

Posted on June 17, 2016 at 18:03Hello,I am having a problem with dfu on the STM32L476 Discovery board. For testing purposes, I generated a binary file that is 24428 bytes long such that every byte in the file is the value '0xAA'. When I download the...

UART/USART to print to terminal

Posted on June 14, 2016 at 19:00Board: STM32F407VGT OS: Ubuntu 14.04 HAL Library (Not SPL) I am having difficulties getting output from the STM32F4 to communicate with my terminal via ''cat /dev/tty*'', putty, or ckermit. I am using USART2 from PA2 ...

STM32L0 USB Connect-DisConnect Event

Posted on June 13, 2016 at 11:32Hi everyone, I developed USB Hid Class on STM32L0 series.Everthing working properly but I  could not get the USB Connect and Disconnect Event.I am using CubeMx and HAL_PCD_ConnectCallback  and  HAL_PCD_DisconnectCallb...

STM32F407 custom bootloader problem

Posted on June 14, 2016 at 14:38Hello! I am working in a project that I want to use a custom bootloader for firmware update of stm32f407, I had developed for stm32f107 and all works fine, but for STM32F407 I getting some problems. Below I posted th...

giovani by Associate II
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STM32F407 USART2 do not receive

Posted on June 08, 2016 at 15:51Hello, I have configured USART2 to communicate as RS422. Rx is connected to PA.3, Tx to PD.5. I need baudrate 921.600 Baud. There is no problem send anything one or more bytes. I can not receive anything from Rx (PA.3...

Why are HAL Lookup tables located in RAM?

Posted on June 14, 2016 at 11:10I notice that the HAL locates some lookup tables in RAM. For example, in stm32f1xx_hal_rcc.c:uint32_t HAL_RCC_GetSysClockFreq(void) { &sharpif   defined(RCC_CFGR2_PREDIV1SRC)   const uint8_t aPLLMULFactorTable[14] = {...

STM32F4 add endpoint to USB

Posted on June 10, 2016 at 11:52 I'm doing a project where I use a NUCLEO-F446ZE as a USB device. I'm implementing the CCID class. I used the template class and some code from VCP. This way some endpoint are already configured like Bulk ...

thom_as by Associate II
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