pimoroni-pico/libraries/breakout_rgbmatrix5x5/breakout_rgbmatrix5x5.hpp

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#pragma once
#include "drivers/is31fl3731/is31fl3731.hpp"
namespace pimoroni {
struct RGBLookup {
uint8_t r;
uint8_t g;
uint8_t b;
};
class BreakoutRGBMatrix5x5 : public IS31FL3731 {
public:
static constexpr uint8_t WIDTH = 5;
static constexpr uint8_t HEIGHT = 5;
static constexpr int8_t DEFAULT_I2C_ADDRESS = 0x74;
static constexpr int8_t ALTERNATE_I2C_ADDRESS = 0x77;
bool init();
void set_pixel(uint8_t x, uint8_t y, uint8_t r, uint8_t g, uint8_t b);
BreakoutRGBMatrix5x5() : IS31FL3731(new I2C(I2C_BG_SDA, I2C_BG_SCL), DEFAULT_I2C_ADDRESS) {}
BreakoutRGBMatrix5x5(uint8_t address) : IS31FL3731(new I2C(I2C_DEFAULT_SDA, I2C_DEFAULT_SCL), address) {}
BreakoutRGBMatrix5x5(I2C *i2c, uint8_t address = DEFAULT_I2C_ADDRESS) : IS31FL3731(i2c, address) {}
BreakoutRGBMatrix5x5(i2c_inst_t *i2c_inst, uint8_t address, uint8_t sda, uint8_t scl) : IS31FL3731(i2c_inst, address, sda, scl) {}
private:
RGBLookup lookup_pixel(uint8_t index);
// This wonderful lookup table maps the LEDs on RGB Matrix 5x5
// from their 3x5x5 (remember, they're RGB) configuration to
// their specific location in the 144 pixel buffer.
const RGBLookup lookup_table[28] = {
{118, 69, 85},
{117, 68, 101},
{116, 84, 100},
{115, 83, 99},
{114, 82, 98},
{113, 81, 97},
{112, 80, 96},
{134, 21, 37},
{133, 20, 36},
{132, 19, 35},
{131, 18, 34},
{130, 17, 50},
{129, 33, 49},
{128, 32, 48},
{127, 47, 63},
{121, 41, 57},
{122, 25, 58},
{123, 26, 42},
{124, 27, 43},
{125, 28, 44},
{126, 29, 45},
{15, 95, 111},
{8, 89, 105},
{9, 90, 106},
{10, 91, 107},
{11, 92, 108},
{12, 76, 109},
{13, 77, 93},
};
};
}