40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
#pragma once
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#include "drivers/is31fl3731/is31fl3731.hpp"
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namespace pimoroni {
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class BreakoutMatrix11x7 : public IS31FL3731 {
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public:
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static constexpr uint8_t WIDTH = 11;
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static constexpr uint8_t HEIGHT = 7;
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static constexpr int8_t DEFAULT_I2C_ADDRESS = 0x75;
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static constexpr int8_t ALTERNATE_I2C_ADDRESS = 0x77;
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bool init();
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BreakoutMatrix11x7() : IS31FL3731(new I2C(I2C_BG_SDA, I2C_BG_SCL), DEFAULT_I2C_ADDRESS) {}
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BreakoutMatrix11x7(uint8_t address) : IS31FL3731(new I2C(I2C_DEFAULT_SDA, I2C_DEFAULT_SCL), address) {}
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BreakoutMatrix11x7(I2C *i2c, uint8_t address = DEFAULT_I2C_ADDRESS) : IS31FL3731(i2c, address) {}
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BreakoutMatrix11x7(i2c_inst_t *i2c_inst, uint8_t address, uint8_t sda, uint8_t scl) : IS31FL3731(i2c_inst, address, sda, scl) {}
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void set_pixel(uint8_t x, uint8_t y, uint8_t c);
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private:
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uint8_t lookup_pixel(uint8_t index);
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// This wonderful lookup table maps the LEDs on Matrix 11x7
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const uint8_t lookup_table[WIDTH * HEIGHT] = {
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6, 22, 38, 54, 70, 86, 14, 30, 46, 62, 78,
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5, 21, 37, 53, 69, 85, 13, 29, 45, 61, 77,
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4, 20, 36, 52, 68, 84, 12, 28, 44, 60, 76,
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3, 19, 35, 51, 67, 83, 11, 27, 43, 59, 75,
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2, 18, 34, 50, 66, 82, 10, 26, 42, 58, 74,
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1, 17, 33, 49, 65, 81, 9, 25, 41, 57, 73,
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0, 16, 32, 48, 64, 80, 8, 24, 40, 56, 72
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};
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};
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}
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