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Forum Posts

Please give me advice about how to use NVIC

Posted on November 06, 2015 at 12:55Hello. My colleague is in trouble about NVIC of STM32L053.. At the moment, he wants to use several external interrupts; some of them are assigned to EXTI line 0, some others are assigned to EXTI line 1, and the r...

There is problem with DCM colors

Posted on October 29, 2015 at 12:50 Hello, I have some problems with camera. At reception high and low bytes change places. It's make bad image (picture 1) First I think that I lose a first byte and by myself shifted a buffer on 1 byte. ...

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Flash - erases but won't write in application

Posted on November 05, 2015 at 19:43Im using the STM32F302vb with gnu tools and a jlink for programming and debugging.I'm am currently having an issue with a bootloader application which is a port from an F103 device that works. The problem I'm runn...

How to conveniently read GPIO while it is in AF mode ?

Posted on November 05, 2015 at 17:59I'm interfacing with TI CC1101, it need to check MISO pin to low before start SPI transaction.Shall I change MISO pin to AF mode to Input mode before I read, and then change it back to AF mode to start SPI.Is  the...

sprhawk by Associate II
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st link v2 error no elf loader found

Posted on October 27, 2015 at 22:06I just received my stm32f746g discovery board, tried to load a demo file and error pops up ''no elf loader found for this operation''. I have upgraded st link, and firmware but still get this error. How do I correc...

jara8462 by Associate II
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STM32L152RE - Stop Mode Locking MCU intermittently

Posted on November 05, 2015 at 15:31Hello,I have an application where I enter stop mode once the processor is done with all its tasks.  I know the MCU is going to sleep because it draws < 1uA.  Prior to entering stop mode I change the UART RX pin to...

bmalchow by Associate
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  • 1 replies
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STM32L476 USB FIFO Settings

Posted on October 31, 2015 at 22:43Hopefully this question has a simple answer. Currently I am writing some USB firmware (driver) for this device. All I am trying to do is complete a GetDescriptor command from the USB host. I seem to have no problem...

cmurp77 by Associate III
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  • 7 replies
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