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USB HID development - Keil or ST middleware ?

Posted on July 29, 2015 at 05:08 Hello, I have started a project where I need to implement USB HID on STM32F4 I have a custom board and a STM32F429I-Discovery board. So I would like an advice from somebody with experience - which middlewa...

Timer4 trigger for ADC

Posted on June 15, 2011 at 10:15Hi, Using STM32F103. I want to use the external trigger mode of the ADC to start a regular group of channels (in dual, simultaneous mode) via the TIM4 CC4 Event. The examples that ST provide illustrate using TIM1 CC1...

ILI9341 with STM32F0

Posted on August 16, 2015 at 16:23Hello.I'm playing with the STM32F072Discovery and it's great but I have a little problem.I don't know how I can transfer data to the display via the SPI more efficiently.For now I've configured it to work with DMA b...

proc9 by Associate II
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  • 4 replies
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STM32F4xx Flash & CRC

Posted on August 21, 2015 at 14:50All:We want to store some calculated values into flash, and from what I am seeing, to do that, you need to stay away from flash sector 0, because it holds the flash vector table. So, I am using sector 1 and sector 2...

tba10596 by Associate II
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  • 6 replies
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Touch Sense (TSC) sawtooth problem

Posted on August 28, 2015 at 17:05Hi, I have a problem with the Touch Sense (TSC) module. No matter how I configure it and measure I always get a sawtooth wave added to it with an amplitude of a few percent of the total count. It seems to remain fai...

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niha by Associate
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Problem Failed firmware Nucleo F411RE

Posted on August 20, 2015 at 11:25Hi.On board I found this file: FAIL.TXT - ''The interface firmware FAILED to reset/halt the target MCU''. The leds LD1 and LD3 of COM remain red. I tried to update firmware with http://www.st.com/web/en/catalog/tool...

LWIP Stack UDP Large Packet Size External SRAM Problem

Posted on August 28, 2015 at 15:03Ok so I have a UDP echo server, the requirement being able to echo UDP packets up to 65499 bytes in size.  Test software starts at small packet size increasing the size by one byte , transmitting and expecting the p...

I2C2 Busy flag after clock enable

Posted on August 25, 2015 at 16:53I know it's a recurring problem. I could'nt make I2C2 work on my STM32F401VET.When I use RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);I2C2->SR2 =2No matter what I do.I try many work around proposed on this fo...

germain by Associate II
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  • 9 replies
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Program stuck in startup_stm32f4xx.s

Posted on August 28, 2015 at 10:58I am trying to run an existing code developed in Eclipse + GCC in IAR workbench. After making all the related changes, the code compiles successfully. Now when I try to run the program, at the point where there is a...

sommer by Associate II
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  • 2 replies
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HAL I2C slave with read/write

Posted on August 27, 2015 at 13:08Hi,I've been looking over an example of master/slave I2C communication using an interrupt and I just can't seem to figure out how it actually works. The description is really vague and the HAL documentation isn't mu...