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Forum Posts

Configuring USART1 pins in Boot loader code

Posted on February 14, 2018 at 10:21Hi,We have already designed and fabricated the PCB in our project using STM32L452xx as our application processor.We have used PA9 as USART1_Tx and PB7 as USART1_Rx pins, later when we were unable to download our c...

PROBLEM WITH TIME IN STM32F2 SERIES

Posted on February 21, 2018 at 18:25Hey guys.I'm working with an ultra sound piece for measuring the distance.When i set the timer1 to count every 1 ms it works(i set PSC 59999 and ARR 1000 to get 1 second with 120M cpu clock.).But when i set the PS...

When ST HAL will be fully compatible with RTOS???

Posted on February 22, 2018 at 21:34I had some trouble with SPI before and now I have same kind of trouble with I2C. I use FreeRTOS and HAL drivers, all generated by CubeMX. Function and my fix in bold:static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUnti...

SPI receives bytes twice when switching 8/16bit

Posted on February 20, 2018 at 19:26 On an STM32F103RB, after switching the SPI1 from 8 bit to 16 bit the last byte received while still in 8 bit mode is received again in 16 bit mode. SPI1 is configured as a plain master as follows: RCC->...

Resolved! adc time conversion

Posted on February 22, 2018 at 11:15hi everybody,i 'm setting the ADC on STM32L051x6.it works correctly but i have problem with conversion time. It is about 8us. To measure it i'm using a signal that is setted high at the start of conversion and low...

STM32F103 - problem with receiving CAN frame

Posted on November 02, 2016 at 17:28 Hello, I'm trying to initialize CAN interface using two NUCLEO 64 boards. At first i only want to send and receive any message from one board to the other one. While im pushing user button (PC13), the ...

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Resolved! USB-UART STM32L0

Posted on February 21, 2018 at 12:41Whenever we connect a DISCOVERY KIT to computer via USB, we see a drive by the same name as the controller. How is this achieved? Also, it allows drag and drop of .bin files for flash. How can this be achieved?