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usb composite (hid+cdc+IAD )

Posted on August 16, 2013 at 16:18The original post was too long to process during our migration. Please click on the attachment to read the original post.

scanf() with whitespaces on STM32

Posted on July 13, 2018 at 05:12Hello,I am using the scanf with CubeMX 4.26, I want to read the input string with white spaces so I do something like this:/* My variables here */char console_input1[20];char console_input2[20];/* My code here */print...

Duy Tran by • Associate II
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Parity for STM32F072 is not working

Posted on July 07, 2018 at 16:52Hi All;    I would like to know when I use HAL library for parity. I setting please see belowhuart1.Init.Parity = UART_PARITY_ODD;When I setting 'UART_PARITY_ODD' and 'UART_PARITY_EVEN' is not working.I would like to ...

Gz by • Senior
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Adding 5V external pull up in STM32 MCU i2c port

Posted on July 11, 2018 at 11:49Hi,I am using the MCU STM32F439 in my Project. We are using I2C which connect other slaves with 5V logical level.But the STM32F439 says the I2C port in the STM MCU is not a 'true OPEN Drain' port. Can connect an 5V ex...

Resolved! Two STM32L0 on I2C and a slave

Posted on July 11, 2018 at 11:53My setup: STm32L053 nucleo and custum board with STm32L0. I am running a scan from nucleo borad for all possible I2C slave devices address in order to obtain the address of slave device ds1337.Both boards are connecte...

O K by • Associate II
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STM32F1 to L0 code example porting..

Posted on July 13, 2018 at 00:36Hi,I'm STM32 starter but like working on it until now ! I got this STM32L0 board and like to add screen on the project so just bouth a 1,5'' einkhttps://www.waveshare.com/wiki/File:1.54inch_e-Paper_Module_code.7z it c...

Weird latency inside the interrupts and DMA

Posted on July 12, 2018 at 19:05Hi,I enabled the ADC DMA inside the Timer2 interrupt, and Put '1' for a GPIO PIN, as follows:void TIM2_IRQHandler(void) { HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0, 1); HAL_ADC_Start_DMA(&hadc1, (uint32_t *) buffer, 100);HA...

DMA configuration on Nucleo144 (GPIOs to Memory)

Posted on July 09, 2018 at 22:43Hi,I am trying to find some example for DMA configuration on Nucleo144 (STM32H743ZITx).A DMA should transfer data from GPIO port pins to memory by SYNC signal provided by external clock (EXTI2).Did not find something ...

Resolved! Double Word Write Into flash produce error (STM32F429xxx)

Posted on July 12, 2018 at 18:15#define APPLICATION_START_ADDRESS 0x8008000void flashErase(uint8_t startSector, uint8_t numberOfSectors){    HAL_FLASH_Unlock();   Flash_eraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;    Flash_eraseInitStruct.Vo...

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