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stm32f4 + ov7670 + dmlcd-35rt double upscaled image

Posted on February 13, 2015 at 03:16i am working on a project with stm32f4 , ov7670  and dm-lcd35rt image output from my camera is doubled and also its colour is greenish  following is my register setting // Clock Settings // xclk 24M pclk 12M    {...

scholar by Associate II
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Timer Question

Posted on February 12, 2015 at 23:18HI.I have download and Use one of the example Code for ST site for uCOSII:Micrium_STM3240G-Eval_OS2This Code Work well. My question is which timer has been used for UCOS?because all of the timers that i saw on reg...

READ PROTECTION can't be removed

Posted on February 11, 2015 at 15:44We've got a new board and we can't flash them. I am sending an output from STVP > Programming  OPTION BYTE area... Removing *READ PROTECTION* option, this will ERASE all the device flash memory! < OPTION BYTE prog...

stst9184 by Associate II
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6XUSART or UART mcu

Posted on February 11, 2015 at 13:03Hi all,I need a mcu with 6xUSART or UART.I couldn't find like it.Parametric search http://tureng.com/search/misguides me.Different data between parametric search and datasheet.Can you suggest to me a mcu like it.

(HAL) Sending UART strings using DMA

Posted on February 12, 2015 at 11:51Hi, I'm having a problem that when calling HAL_UART_TRANSMIT_DMA() I require a delay between consecutive calls of the function for it to accept new data into the DMA. I've found adding a HAL_Delay between calls fi...

rajpaged by Associate II
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STM32F0 with HAL driver and EEPROM emulation

Posted on February 12, 2015 at 16:48Hello,I am curently working on an application generated by the STM32cubeMX software. This application use the folowing HAL library's: tim,adc,dma,uart,gpio... I have to implement an erase and write non volatile me...

jgiraud9 by Associate II
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stm32cube[fl]*.zip - previous versions

Posted on February 08, 2015 at 21:52I'm working on a Git repository with the content of the HAL libraries, where I plan to commit each new release.Currently only the most recent versions of the libraries are posted on the public site.Would it be pos...

USB suspend example

Posted on December 21, 2011 at 18:12When I try to enter in suspend mode, as soon as I set it, always receive a wake up interrupt request, and can't do it. I'm not sure if I do the correct process, just set FSUSP and then LP_MODE bit, in USB_CNTR reg...