Teensy 4.0/ ili9431spi..migration to ra8875 display spi

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Keith_M

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Could use a little direction ...I'm building up a software defined radio currently based on the ili9341 2.8" tft ..I would like down the road as I get the platform running properly to cut over to a larger 5" or 7" display ..which seem to be all ra8875 driven ..my concern is the ra8875 can draw graphics quickly from its onboard functions ..but I want to run a 1024 fft and display that on the bottom area of the screen ...512 points .. so is raw pixel graphics fast enough ..? I'm preserving the bottom of the screen for 800px x 150px to support the fft display ...any guidance would be great
Thanks ...K
 
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