103 lines
2.1 KiB
C++
103 lines
2.1 KiB
C++
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#include <M5GFX.h>
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M5GFX display;
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//#include <M5UnitOLED.h>
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//M5UnitOLED display; // default setting
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//M5UnitOLED display ( 21, 22, 400000 ); // SDA, SCL, FREQ
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//#include <M5UnitLCD.h>
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//M5UnitLCD display; // default setting
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//M5UnitLCD display ( 21, 22, 400000 ); // SDA, SCL, FREQ
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//#include <M5UnitGLASS2.h>
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//M5UnitGLASS2 display; // default setting
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//M5UnitGLASS2 display ( 21, 22, 400000 ); // SDA, SCL, FREQ
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// #include <M5AtomDisplay.h>
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// M5AtomDisplay display;
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static constexpr size_t BAR_COUNT = 64;
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static int max_y[BAR_COUNT];
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static int prev_y[BAR_COUNT];
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static uint32_t colors[BAR_COUNT];
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void setup(void)
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{
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display.init();
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display.startWrite();
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display.fillScreen(TFT_BLACK);
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if (display.isEPD())
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{
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display.setEpdMode(epd_mode_t::epd_fastest);
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}
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if (display.width() < display.height())
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{
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display.setRotation(display.getRotation() ^ 1);
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}
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for (int x = 0; x < BAR_COUNT; ++x)
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{
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prev_y[x] = display.height();
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max_y[x] = display.height();
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int r=0,g=0,b=0;
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switch (x >> 4)
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{
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case 0:
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b = 255;
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g = x*0x11;
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break;
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case 1:
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b = 255 - (x&15)*0x11;
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g = 255;
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break;
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case 2:
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g = 255;
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r = (x&15)*0x11;
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break;
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case 3:
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r = 255;
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g = 255 - (x&15)*0x11;
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break;
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}
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colors[x] = display.color888(r,g,b);
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}
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}
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void loop(void)
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{
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int h = display.height();
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static int i;
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++i;
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display.waitDisplay();
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for (int x = 0; x < BAR_COUNT; ++x)
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{
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int y = (h>>1) - (sinf((float)((x-24)*i) / 3210.0f) + sinf((float)((x-40)*i) / 1234.0f)) * (h>>2);
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int xpos = x * display.width() / BAR_COUNT;
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int w = ((x+1) * display.width() / BAR_COUNT) - xpos - 1;
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if (max_y[x]+1 >= y) { max_y[x] = y-1; }
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else
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{
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if ((i & 3) ==0 )
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{
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display.fillRect(xpos, max_y[x]-3, w, 1, TFT_BLACK);
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max_y[x]++;
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}
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}
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display.fillRect(xpos, max_y[x]-3, w, 3, TFT_WHITE);
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if (prev_y[x] < y)
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{
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display.fillRect(xpos, prev_y[x], w, y - prev_y[x], TFT_BLACK);
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}
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else
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{
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display.fillRect(xpos, y, w, prev_y[x] - y, colors[x]);
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}
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prev_y[x] = y;
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}
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display.display();
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}
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