acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
FastLED_GFX.h (2000B)
      1 #ifndef _FASTLED_GFX_H_
      2 #define _FASTLED_GFX_H_
      3 
      4 #include <FastLED.h>
      5 #include <Arduino_GFX.h>
      6 
      7 // Which pin on the Arduino is connected to the NeoPixels?
      8 #define NEOPIXEL_PIN 1
      9 
     10 #define NEOPIXEL_WIDTH 30
     11 #define NEOPIXEL_HEIGHT 8
     12 #define NUMPIXELS (NEOPIXEL_WIDTH * NEOPIXEL_HEIGHT)
     13 #define NEOPIXEL_BRIGHTNESS 3 // 1-255
     14 
     15 #define LED_TYPE WS2811
     16 #define COLOR_ORDER GRB
     17 
     18 CRGB leds[NUMPIXELS];
     19 
     20 class FastLED_GFX : public Arduino_GFX
     21 {
     22 public:
     23   FastLED_GFX() : Arduino_GFX(NEOPIXEL_WIDTH, NEOPIXEL_HEIGHT)
     24   {
     25     wrap = false;
     26   }
     27 
     28   bool begin(int32_t speed = GFX_NOT_DEFINED) override
     29   {
     30     FastLED.addLeds<LED_TYPE, NEOPIXEL_PIN, COLOR_ORDER>(leds, NUMPIXELS).setCorrection(TypicalLEDStrip);
     31     FastLED.setBrightness(NEOPIXEL_BRIGHTNESS);
     32 
     33     return true;
     34   }
     35 
     36   void writePixelPreclipped(int16_t x, int16_t y, uint16_t color) override
     37   {
     38     // select you matrix mode
     39     int32_t i = (x * NEOPIXEL_HEIGHT) + y; // vertical strip start from left top
     40     // int32_t i = (x * NEOPIXEL_HEIGHT) + ((x % 2) ? y : (NEOPIXEL_HEIGHT - y - 1)); // vertical zigzag strip start from left top
     41     // int32_t i = (x * NEOPIXEL_HEIGHT) + (NEOPIXEL_HEIGHT - y - 1);                 // vertical strip start from left bottom
     42     // int32_t i = (x * NEOPIXEL_HEIGHT) + ((x % 2) ? (NEOPIXEL_HEIGHT - y - 1) : y); // vertical zigzag strip start from left bottom
     43     // int32_t i = x + (y * NEOPIXEL_WIDTH);                                          // horizontal strip start from left top
     44     // int32_t i = ((y % 2) ? x : (NEOPIXEL_WIDTH - x - 1)) + (y * NEOPIXEL_WIDTH);   // horizontal zigzag strip start from left top
     45     // int32_t i = (NEOPIXEL_WIDTH - x - 1) + (y * NEOPIXEL_WIDTH);                   // horizontal strip start from right top
     46     // int32_t i = ((y % 2) ? (NEOPIXEL_WIDTH - x - 1) : x) + (y * NEOPIXEL_WIDTH);   // horizontal zigzag strip start from right top
     47 
     48     leds[i] = RGB16TO24(color);
     49   }
     50 
     51   void endWrite(void) override
     52   {
     53     FastLED.show();
     54   }
     55 };
     56 
     57 #endif // _FASTLED_GFX_H_