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    Let's speed up DrawLine and DrawPixel?

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    • dasloloD
      daslolo
      last edited by

      It looks like someone already did it
      https://github.com/Bodmer/TFT_eSPI

      D 1 Reply Last reply Reply Quote 1
      • D
        dda @daslolo
        last edited by

        @daslolo Yep. And I managed to integrate this to the M5Stack library. I am doing tests, but so far so good. I've run a few modified sketches without issue. The TFT_ArcFill example is quite impressive.

        Replacing the Display.h/.cpp files with the TFT_eSPI library was pretty easy. The Display library has a couple of M5-specific functions, but once added to the driver, everything works well:

        void setBrightness(uint8_t); //Specific to M5Stack
        void sleep();                //Specific to M5Stack
        

        There may be others, I'll see what happens when I compile the non-touch examples.

        dasloloD 1 Reply Last reply Reply Quote 3
        • reaper7R
          reaper7
          last edited by reaper7

          @dda 在 Let's speed up DrawLine and DrawPixel? 中说:

          Yep. And I managed to integrate this to the M5Stack library. I am doing tests, but so far so good. I've run a few modified sketches without issue. The TFT_ArcFill example is quite impressive.
          .
          .
          .
          There may be others, I'll see what happens when I compile the non-touch examples.

          TFT_eSPI is the best lib, we added m5stack support some time ago:
          https://github.com/Bodmer/TFT_eSPI/pull/88
          btw, m5stack display lib based on the early version of TFT_eSPI
          but since then, TFT_eSPI has developed a LOT!!!

          P.S. for advanced GUI we also added m5stack support for GUIslice:
          https://github.com/ImpulseAdventure/GUIslice/pull/34
          which uses TFT_eSPI as display driver.

          MY GITHUB: https://github.com/reaper7/

          JJJ 1 Reply Last reply Reply Quote 3
          • JJJ
            JJ @reaper7
            last edited by

            @reaper7 @dda

            Nice work dda !

            Reaper those gui slice screens look awesome !! Glad you added M5Stack support and thanks for pointing them out

            D 1 Reply Last reply Reply Quote 2
            • D
              dda @JJ
              last edited by

              @jimit Now all we need is to have that officially included in the M5Stack library.

              1 Reply Last reply Reply Quote 2
              • reaper7R
                reaper7
                last edited by

                @dda - good point!

                MY GITHUB: https://github.com/reaper7/

                1 Reply Last reply Reply Quote 0
                • dasloloD
                  daslolo @dda
                  last edited by daslolo

                  @dda how much faster is it?

                  1 Reply Last reply Reply Quote 0
                  • P
                    pkourany
                    last edited by

                    I compiled the first example after making the necessary changes doe the M5Stack without errors. However, it would not load onto my M5Stack.

                    1 Reply Last reply Reply Quote 1
                    • dasloloD
                      daslolo
                      last edited by daslolo

                      @pkourany inside user_setup.h comment out the generic setups and uncomment m5. Then most examples work.
                      Result: same performances as m5 lib.
                      EDIT: even with SPI_FREQUENCY at 80,000,000 ... weird

                      1 Reply Last reply Reply Quote 1
                      • dasloloD
                        daslolo
                        last edited by

                        Bodmer wrote a nice article on this https://github.com/Bodmer/TFT_eSPI/issues/121#issuecomment-380245040
                        When un-commenting Display.h/#define SPI_FREQUENCY 40000000, fillscreen nearly doubles.
                        80M doesn't work on some M5.

                        1 Reply Last reply Reply Quote 0
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