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Forum Posts

STemWin - WM_SetCreateFlags(WM_CF_MEMDEV) caused problem

Posted on November 28, 2016 at 14:29Hello,I have a problem with my application based on STemWin lib 5.32. Without  WM_SetCreateFlags(WM_CF_MEMDEV) works very fine but there is some flikering. After activation of use memory device 1-2 minuts program ...

stm32f429 memory device problem

Posted on November 18, 2016 at 14:54Hi, I am using stemwin memory device for my own stm32f429 board with 8Mbyte external ram. When i create a 320*240 memory device , the lcd is flickering, but when i create a 320*230 memory device it does not flicke...

er3481 by Senior
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  • 5 replies
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Shutting down USB device FS to reduce power consumption

Posted on November 25, 2016 at 18:07 Due to power saving I want to disable the USB stack on the fly. For comparison: If I do not enable the USB stack at all (e.g. by not invoking MX_USB_DEVICE_Init()) everything is fine. If I do and decid...

bm by Associate II
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  • 4 replies
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Cube Updated.

Posted on November 25, 2016 at 17:59I see the cubeL4 went from 1.5.2 to 1.6 today or late yesterday. Don't know yet what all it entails but maybe they cleaned up 1.5.0 + 1.5.2 PATCH and rolled a new version. Might check your libraries and see if the...

DAC DMA is giving error in stm32f3xx_hal_msp.c

Posted on November 27, 2016 at 01:50 Hello! I am currently using stm32mx cube to create sine wave through the DAC. When I am building the project, I am receiving an error in regards to the stm32f3xx_hal_msp.c which should not require any ...

This forum is useless

Posted on November 23, 2016 at 15:32I wanted to post an answer but couldn't reply even though I am able to login and post. That is the largest problem of the STM32F CPUs.

LMI2 by Lead
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  • 5 replies
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Why comdef.h need for stm32f070xx ? not working!

Posted on November 22, 2016 at 07:56Dear All,Does the comdef,h file not support in KEIL if we build code for stmf070xx type device?With the reference, http://stackoverflow.com/questions/157101/where-can-i-get-comdef-h. kindly tell me why we need thi...

How to tell if other CAN device is present on bus?

Posted on November 28, 2016 at 04:58I would like to know if there is another device present on the CAN bus.  Is there a way to do this without too much overhead?  I have my STM32F4 setup and communicating on a CAN bus.  Sometimes there is another de...

I2C Questions on STM32F427

Posted on November 25, 2016 at 09:35I have a slave device which is address 0x78 for write and address 0x79 for read.I want to confirm that why the below I2C transaction is difference?I want to reset the slave device and the mapping register informat...

0690X00000605SxQAI.png 0690X00000605SUQAY.png
pohua by Associate II
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