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STM32F4 running hot

Posted on May 11, 2013 at 10:43hello my sth32f4 discovery is mcu is running hot and u1 is hot also what is going on??

Calculate Temperature Sensor STM32L Discovery

Posted on May 11, 2013 at 19:44hi , I have a question , when I  calculate the temperature with this code using the formulate in the data sheet:val_adc=ADC_GetConversionValue(ADC1); vsense=(val_adc*Vref)/0xfff;val_adc=(vsense/Avg_Slope)-273.15;in the...

kotoel26 by • Associate II
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STM32 Cannot read GPIO status

Posted on May 11, 2013 at 10:46 I've been trying for a week now, but I can't seem to read the status of the GPIO ports of the STM32F103RB. can turn LED's on, and transmit CAN, but really struggling to see what the issue is with this one. newish ...

rob by • Associate
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STM32F4 SPI Clock polarity - How to change it dynamically?

Posted on May 09, 2013 at 22:50We can initialize the SPI port clock polarity  by :- SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low; SPI_InitStruct.SPI_CPHA = SPI_CPHA_1Edge; If we have several slaves connected to the SPI port, different slave operated using...

shinseow by • Associate
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Perfomance Differences between evaluation boards

Posted on May 09, 2013 at 15:51Hi All , Our company is a proud owner of a STM32f4 evaluation board ( cortex M4F) , We recived another evaluation board for our client that is (ARM7TDMI board). Before starting the migration to the ARM7 evalution board...

SPI not providing output or clock, help please!

Posted on May 10, 2013 at 13:02 I've been struggling to get the SPI working on my STM32F3 Discovery, even just to communicate with the onboard rate sensor or work in loop-back mode. I got hold of a scope today, and realised that there's no outpu...

Temperature Sensor STM32L Discovery

Posted on May 09, 2013 at 03:27how i can know if the Vrefin its On?, because im enable and disableADC_TempSensorVrefintCmd(); and i get the same values on data registrer  :s #discovery #discovery #stm32l #stm32l

kotoel26 by • Associate II
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Dual Quad SPI

Posted on May 09, 2013 at 20:07Hi everyone, I have dual quad spi flashes that I need to interface to using the stm32f103.  Does anyone have any experience interfacing to dual quad SPI flashes?  I was hoping to not have to use the GPIO and bit bangin...

STM32 flash download demo issues with connecting

Posted on May 09, 2013 at 16:53Attached are two logic analyzer traces.  You can download the software to view them from here:http://www.saleae.com/downloadsWhat you see is that when I use the flash loader demonstrator tool, the connection fails.  It...

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