How to use TFT Display with Raspberry Pi Pico in C/C++

I want to build a colour name badge TFT Display based on the Raspberry Pi Pico and C/C++. Instead of using a specific Pico module I am using the generic MSP2401 2.4Inch Display. With some work this is great. Please visit my website to get more information: drjonea.co.uk/
In this video I am going to share how I connected up the display and drive it from C/C++. Follow along with the code and the video to see how initialisation works. How everything else is really about drawing rectangles.
Let me know what you think and I can do some more videos on other techniques with this display.
My repo for working with the display is: github.com/jondurrant/RPIPico...
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⏰Timestamps
00:00 Introduction
01:30 MSP2401 TFT Display
04:10 Connecting Up
05:46 Initialising the Display
10:52 Frame Buffers
13:13 Rectangles
16:44 Bitmaps and Fonts
20:28 Demo and Summary
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Video Title: How to use TFT Display with Raspberry Pi Pico in C/C++
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[@ThreeStones379]

interestingly

[@DrJonEA]

Glad you found it so

[@drfrancintosh]

shades of display list graphics and Jay Minor! by the way, does the SPI interface include reading from the device? I ask because it seems the device should have a frame buffer of its own and you might be able to read from that frame buffer instead of having to write individual lines one at a time.

[@DrJonEA]

Thanks. I believe you can read back from the display but that still would not constitute a framebuffer. You would not be able to draft the display before making it visible in a single step.

[@drfrancintosh]

@@DrJonEA not to belabor the point… But if you wanted to draw a line on top of an existing image, you could read the values from what's in the display and add a pixel to that line or row and then write that back to the display… I don't know what kind of random access you have through the SPI interface but you could create a API that would act as a facade to the display frame buffer… and to your point, it would not be as efficient as doing a bitblt in memory

[@drfrancintosh]

I'm really enjoying your series… And finished your Udemy course… I owe you a cuppa coffee!

[@DrJonEA]

I do get what you mean and indeed you can do a lot without a framebuffer in RAM.

[@DrJonEA]

Thank you and I look forward to the coffee!