STM32 MCUs Products

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DMA double buffer Interrupt

Posted on May 08, 2018 at 18:56Hi all, I have a STM32 NUCLEO-H743ZI evaluation board. I am trying to read ADC using DMA. Meanwhile, I also need to use the CPU to process the data read from the ADC. So I use a double buffer mode. I used CubeMX to gen...

STM32 I2C HAL_TIMEOUT ERROR

Posted on April 03, 2018 at 15:25I'm new for STM32 family. I use STM32 nucleo64 F401RE development  board and Keil5 with STM32CubeMX for software. I have problem about sending data with I2C. the slave IC has 4 register group. the each group register...

STM32 USB OTG and RXFLVL interrupt masking

Posted on April 24, 2014 at 22:19This question was asked during a code review. The function that reads a packet from RxFIFO masks the `RxFIFO nonempty' (RXFLVL) interrupt while reading the packet (both in our code and the standard USB OTG device lib...

STM32F4 + USB-FS + SDIO , USB transfer complete

Posted on April 23, 2018 at 05:58I am using STM32F4 to make a usb msc device using USB-FS and SDIO. EVerything is working great. I am not able to detect the USB transfer complete interrupt. Any clue about it.I am using the most updated version of cu...

STM32F407 UART Communication

Posted on May 24, 2018 at 08:42 I am trying to set up a communication between my STM32F4 - Discovery with Open 407V-D development board and a peripheral using UART3 as a RS-485 bus. I have problem with my communication becouse Rx state of UART...

retriggerable one pulse mode in CubeMX

Posted on February 11, 2018 at 17:47 Hey everyone, Got a little issue that I'm a little confused on. I want to use a one pulse mode to output a pulse of length dependent on the input signal. So essentially, when the trigger goes off, I wan...

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SPI delay between bytes write...

Posted on January 11, 2018 at 13:29Hi,I am using STM32L4 MCU. Facing a problem with SPI communication.MCU clock:48MhzSPI clock enabled as 6MhzUsing a interrupt for SPI write.I am seeing 17us time duration (3us clock + 14ms idle time) between a bytes...

LPTIM Counter in Stop2 Mode

Posted on July 05, 2018 at 10:15Hi, everyone. I'm implementing a shock counter using STM32L476 LPTIM counter & LIS2DH12 click interrupt.I connect LIS2DH12 INT2 pin to LPTIM_IN1 to implement shock counter. ( I expect increment of LPTIM counter when s...