STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Forum Posts

Bug in HAL_DMA_Init()?

Posted on November 06, 2016 at 01:45Part: STM32F411I've got a SPI transmit buffer that is 16 bytes long and I send SPI messages that are 16 bytes long. The SPI bus runs at 50MHz, so I want to use DMA and the FIFO. In addition, I want to use the FIFO...

stm32f4 usb packet length

Posted on November 04, 2016 at 20:00Hi,I am using stm32f4 usb custom hid usb stack. For now i can send and receive just 64Byte packets. When i want to send or receive more packets like 512Byte, the stack crashes. I use the tx and rx packets length f...

er3481 by Senior
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  • 4 replies
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Multiple ADC's and single conversion STM32F030

Posted on December 11, 2015 at 15:00 Hello I'm having a hard time getting multiple ADC's working on a STM32F I have 3 analog voltages I would like to read with the MCU. But not continuous. I would like to take 1 sample at a time and at di...

mvugs9 by Associate II
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Stm32F767 Nucleo Ethernet does not always start

Posted on September 17, 2016 at 19:47Hi All,I have noticed that the Stm32F767 Nucleo does not always start Ethernet reliably. For testing I used one of the example on the STM32Cube_FW_F7_V1.4.0 for the STM32F746ZG-Nucleo base of LWIP. I set up a dos...

arainho by Associate II
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STM32F746G Discovery USB MIDI

Posted on October 28, 2016 at 18:55Hi. Is there a library out there or an example for the STM32F7 Discovery board that deals with simple MIDI over USB? I want to be able to both receive and send note commands. I would prefer to use an IRQ routine ra...

odd/even bit in assynchronous

Posted on September 03, 2016 at 15:32Help me someone pls a little bit. I don't understand why in most isochronous assynchronous transfer with feedback examples they call feedback transfer function in SOF callback with frame odd/even setting being fo...

USB Nucleo-144

Posted on October 13, 2016 at 14:28I'm trying to use the USB device of the STM32F429 mounted on a NUCLEO-144 evaluation kit.  I enabled the USB controller using the STM32CubeMx tool and created a Atollic true studio project. The USB controller is co...

wh by Associate III
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Resolved! HAL_I2C_Master_Transmit() may overrun 1byte.

Posted on October 19, 2016 at 06:03Hi!Attached stm32f4xx_hal_i2c.c is from stm32cube_fw_f4_v1131.zip. line 657,       if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (Size != 0U)) It looks better to be hi2c->XferCount or hi2c->XferSize, than S...