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STM32F042K6T6 ADC Problem

Posted on October 31, 2014 at 21:24I have a strange problem. I use the code below on the STM32F05 series and it works just fine. Transfer it to the STM32F072 and it does not work. When applying voltage to any given port, the ADC readings change on m...

Question about Clock enable

Posted on November 03, 2014 at 18:32Hello, let us assume I want to put all pins of GPIOA into pull-up, but don't need GPIOA later. After enabling RCC_AHB1ENR_GPIOAEN and setting the mode in GPIOA can I safely disable RCC_AHB1ENR_GPIOAEN again withou...

Is SDRAM necessary that STM32F429 support TFT LCD?

Posted on November 02, 2014 at 13:52STM32F429V has 100 pins and support RGB565. In order to support TFT LCD, more memory is needed. Does it need to add external SDRAM? 429 has 256k internal RAM. Is it enough to support TFT? Actually, the application...

ray by • Associate II
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  • 7 replies
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STM32F429 24 bit RGB888 mode not working

Posted on November 03, 2014 at 15:41We are facing problem with 24-bit RGB888 mode. Most of the time 2-3 LSBs of R, G and B have noise data coming out.  For some particular pattern of data like all 1s written to frame buffer the data coming out as ex...

USB FataFS and RTOS

Posted on November 03, 2014 at 08:07I need to sent a message to my main task, that tells it USB is connected. (so I can display a message on screen, and display file names etc.)What events are generated? any documentation or sample code on this?It d...

Johanan1 by • Associate II
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  • 9 replies
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STM32F0xx Hal Documentation

Posted on November 03, 2014 at 16:15Hy everybody I'm looking for a HAL library documentation for the STM32F0xx especially for the STM32F072RB. Like the one for the STM32F4xx UM1725 http://www.st.com/web/en/resource/technical/document/user_manual/DM0...

pfischer by • Associate
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How to deal with I2C acknowledge failure

Posted on November 03, 2014 at 14:25Hi, I am using STM32L151 and try to communicate over I2C with STM32L151 as master. When I send out an adress to a slave that is not there I don't get an ACK, SDA stays high. With my configuration this results in a...

mmensch by • Associate II
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  • 1 replies
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''No ST-LINK detected'' (STEVAL-IKR002V4)

Posted on November 03, 2014 at 13:01Hi! I am having problems loading my software (Contiki) on the eval board STEVAL-IKR002V4. When connecting the board to my Windows7-PC with the USB-cable, that came with the board, it shows up as a COM-Port in the ...

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