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STM32F103 USB configuration problem

Posted on September 26, 2014 at 11:18 Hi Guys, Im currently try to implement a USB. The programm is derived from the CDC example. It is already working with 3 enpoint like in the CDC example. But I want only to work with 2 endpoint bu...

Save user data in Backup domain

Posted on September 30, 2014 at 06:34Hello Pro, I want to save my data in to backup domain to backup data when reset happen ( watch dog timer reset). This is my code : uint16_t domua;// I wan to save this data. /* Configure the PVD Level to 2.9V */...

DAC / ADC output voltage function of STM32F303

Posted on May 10, 2013 at 14:35Hi, There is a STM32F303 pin for VREF+ of DAC and ADC (in common). I would have suspected that this reference voltage input does adjust the conversion function in such a way that Vout max of DAC (i. e. digital FFFhex) ...

v_ by • Associate II
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  • 4 replies
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BUG - STM32F3xx SPL can't be built with STM32F30X defined

Posted on September 06, 2014 at 22:31 Looks like a bug has crept into the v1.1.1 Standard Peripheral Library -- if it's built with STM32F30X #defined (e.g. by specifying -DSTM32F30X on the gcc command line), the build will fail. Addition...

philpem by • Associate II
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STM32F103 + SDIO + FatFS

Posted on May 19, 2014 at 15:36Hi all,I've a problem with my STM32F103. I need to use fat filesystem on SD card to read/write/create files.I've connected the SD card to the SDIO interface and 4 wires mode with 47Kohm pull-up on cmd and data pins.I t...

daniele2 by • Associate II
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  • 23 replies
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overlap time generation

Posted on October 01, 2014 at 09:51How can I generate two signals with a specific overlap  time between them?I mean first signal to be square wave 50% duty cycle and the second one square wave inverse of the first one but with overlap time, that is ...

ionutF by • Associate III
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  • 1 replies
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STM42F407VG/MB997C I2S3 output silent

Posted on September 30, 2014 at 15:27 Hello, I've been trying to get any life out of the I2S3 output from my STM32 Discovery board, but for some reason I cannot even get a clock signal (CK), as seen with oscilloscope. It also never seems...

flux-ti by • Associate II
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  • 4 replies
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I2S Interfacing with MP45DT02 PDM Mic on STM32F4 Discovery

Posted on September 30, 2014 at 21:29Hello,I've been racking my head trying to make sense of how to correctly configure the I2S Hardware to interface with the MP45DT02 microphone. I've been looking at ST's waverecorder.c for inspiration but I think ...

abarr16 by • Associate
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