STM32 MCUs Embedded software

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STM32F429 Disco1 HOST HID

Posted on December 14, 2017 at 08:16Code Generator using cubeMX for STM32F429 Disco1 HOST HID.Keyboard Behavior:When I connect Keyboard, It Shows that keyboard is connected. But If I press any key on keyboard. Immediately USB disconnected routines s...

STM32F103 ADC + DMA multichannel, from FreeRTOS software timer. Continuous mode works. Manually triggering HAL_ADC_Start_DMA() return HAL_ERROR on ADC_Enable() on second call

Posted on February 21, 2018 at 19:20Hi,I've successfully run a FreeRTOS program that use ADC + DMA in scan, continuous, circular mode and I successfully can average in HAL_ADC_ConvCpltCallback().Now I'd still like to use DMA to fill a buffer of 3 ch...

HAL I2C slave busy

Posted on April 18, 2018 at 11:23I'm trying to use the I2C slave in DMA mode.uint8_t aRxBuffer;HAL_I2C_Slave_Receive_DMA(&hi2c1, (uint8_t*)&aRxBuffer, 1);But HAL_I2C_Slave_Receive_DMA returns HAL_BUSY.At the same time I have no other devices on the ...

Looking for PPP example for lwIP

Posted on September 12, 2017 at 23:36Hi,I'm currently trying to find an example project for that run PPP on LwIP with STM32F407 based card with sim800H GSM modem.Best Regards.#ppp #gsm-modem #lwip

STM32F4 HID Host custom device

Posted on November 12, 2014 at 08:42Hello,I am interested to make USB HID HOST which can communicate with custom hid device instead of mice or keyboard.For that I have to send data to that custom hid device.I have used below fuction for dataoutUSBH_...

HAL LIBRARY LIN BUS EXAMPLE

Hey there,I want to use a LIN BUS communication with my STM32F01CCT6 microcontroller. But i cannot see any example in internet neither in datasheet of my MCU. Is there any example LIN Transmit and Receive example that i can use. Thank you

stm32f4 cubemx + usb vcp, Windows 10 driver problem

Posted on June 13, 2018 at 08:07Hello      I'm trying to make a usb vcp demo by using cubemx. I'm using the standard configuration. However there is a windows 10 driver problem. I tried it in 4 different computer.      How can I find the proper usb ...

Bug of HAL_SPI_Transmit_DMA for 1 byte

Posted on June 28, 2018 at 08:30STM32L053R8T6 (Nucleo), STM32CubeMX 4.26Here so two bytes are transferred perfectlyaTxBuffSPIECG[0] = 0x75;aTxBuffSPIECG[1] = 0x55;HAL_SPI_Transmit_DMA(&hspi2,(uint8_t*)aTxBuffSPIECG, 2);But one byte is not transmitte...