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Author Topic: Help in MCU selection  (Read 231 times)
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mr_byte31
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« on: July 11, 2017, 10:51:59 22:51 »

Hi All,

I need your help to select a MCU for a project to display a picture from USB stick to a LCD computer monitor.

Below I list the most important requirements of the project:
-interface with USB stick (read only is required)
-Interface with VGA or HDMI to display on LCD monitor
-4 channels A/D convertor (optional requirements)


Did anybody played around with similar requirements?
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kreutz
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« Reply #1 on: July 12, 2017, 01:42:29 01:42 »

I guess this is some kind of school project.
There are  a few examples of  similar projects using STM32 Arm processors (using LCD and SDcards) and, since you want a VGA output, you can also check the STM32 based  VGA projects on the web  for some tips. Modifying one of those SDcards' project to use a USB stick is not a difficult task, look into the ST HAL examples.
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witsanukai
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« Reply #2 on: July 12, 2017, 08:51:43 08:51 »

The easy way, try on R-PI, USB ready and HDMI ready can develope by alot of computer programming too, SCRATCH, Phyton and alot. Smiley
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« Reply #3 on: July 12, 2017, 11:17:30 11:17 »

I like Pie. one board solution.

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str67
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« Reply #4 on: July 12, 2017, 11:19:06 11:19 »

I agree completely!

Do not use ARM-M3/4 or even smaller architectures as long as you are not planning to go into mass production with your device!
Having a robust and accessible (Keyboard, LAN) operating system like Linux on your RPi or similar radically eases and speeds up your work!

BR,
str
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mr_byte31
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« Reply #5 on: July 13, 2017, 10:05:11 10:05 »

R-PI seems a very easy solution. I like the idea but for me it is like a small computer Smiley
I would like to stick to micro-controller. I made searches on STM32 and I was amazed about its clock speed and performance !

Just one more question, isn't there any micro-controller with FFT accelerator ?  this will help a lot in our project.
I know that I can use fft libs but this is just a question for my knowledge
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