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Forum Posts

STM32F0- triggering DMA by a timer.

Posted on October 24, 2015 at 15:37  I want to have a timer trigger a DMA transfer. I have a STM32F072RB processor. I currently have TIM1 as the timer. I have the timer running and reloading and that seems to work. It is currently also triggering an...

Can't read the documents in nucleo_64pins_sch.zip

Posted on October 26, 2015 at 19:42I have a NUCLEO-F401RE board. I tried to find its connector pin out, because the schematic diagram is made with some hobby tool and useless. All the doc document files use some odd format I can't read opened. I tri...

LMI2 by Lead
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CubeMX 4.9 and USB host + fatfs

Posted on August 21, 2015 at 21:31Hello! I apologize for my bad English, but I do not have anyone to ask. My task is to create a USB host to work with flash pametyu. I also use fatfs. I'm using a microcontroller STM32f407VG. To create a project I us...

[Solved] Discovery f429 USB Host (usb stick not working)

Posted on May 12, 2015 at 00:20Hi,I worked for several weeks on a dictaphone project with the board F429 discovery. The goal is to write the values ​​of the ADC to a file on a USB key.My ADC works with DMA, everything is ok.However, I generated my f...

raph by Associate
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BSRR versus BSRRL and BSRRH

Posted on October 21, 2015 at 14:59Hello, why do the recent STM32Cube Headers  still keep BSRRH/BSRRL in the GPIO_Typedef in STM32Cube_FW_F3_V1.3.0 while STM32Cube_FW_F2_V1.2.0 drops BSRRL/BSRRH in favour of BSRR as used in the other headers This ma...

STM32F0 Curious ADC behaviour

Posted on October 11, 2015 at 15:07This is relation to my previous forum post [DEAD LINK /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/STM32F030F4%20ADC%20strange%20behavio...

srdjan by Associate II
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__HAL_TIM_GET_FLAG

Posted on October 27, 2015 at 11:37hello everybody !!! I'm using ''__HAL_TIM_GET_FLAG'' on my STM32l051K6 for detect an overflow on my timer, but i don't know how much machine cycle it takes ?Could someone tell me how this function uses machine cycl...

Bug in STM32Cube FreeRTOS wrapper (with fix)

Posted on July 23, 2015 at 12:19Hello. There is a bug in the cmsis_os.c file: at line 757:   return xQueueCreate(queue_def->queue_sz, (uint32_t) sizeof(queue_def->item_sz)); sizeof(item_sz) is always 4, so all queues are created with element size = ...

konovod by Associate
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