kopia lustrzana https://github.com/pimoroni/pimoroni-pico
125 wiersze
3.6 KiB
C++
125 wiersze
3.6 KiB
C++
#pragma once
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#include "hardware/pio.h"
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#include "pico_graphics.hpp"
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#include "../pico_synth/pico_synth.hpp"
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namespace pimoroni {
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class GalacticUnicorn {
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public:
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static const int WIDTH = 53;
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static const int HEIGHT = 11;
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// pin assignments
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static const uint8_t COLUMN_CLOCK = 13;
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static const uint8_t COLUMN_DATA = 14;
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static const uint8_t COLUMN_LATCH = 15;
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static const uint8_t COLUMN_BLANK = 16;
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static const uint8_t ROW_BIT_0 = 17;
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static const uint8_t ROW_BIT_1 = 18;
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static const uint8_t ROW_BIT_2 = 19;
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static const uint8_t ROW_BIT_3 = 20;
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static const uint8_t LIGHT_SENSOR = 28;
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static const uint8_t MUTE = 22;
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static const uint8_t I2S_DATA = 9;
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static const uint8_t I2S_BCLK = 10;
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static const uint8_t I2S_LRCLK = 11;
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static const uint8_t I2C_SDA = 4;
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static const uint8_t I2C_SCL = 5;
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static const uint8_t SWITCH_A = 0;
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static const uint8_t SWITCH_B = 1;
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static const uint8_t SWITCH_C = 3;
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static const uint8_t SWITCH_D = 6;
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static const uint8_t SWITCH_SLEEP = 27;
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static const uint8_t SWITCH_VOLUME_UP = 7;
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static const uint8_t SWITCH_VOLUME_DOWN = 8;
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static const uint8_t SWITCH_BRIGHTNESS_UP = 21;
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static const uint8_t SWITCH_BRIGHTNESS_DOWN = 26;
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private:
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static const uint32_t ROW_COUNT = 11;
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static const uint32_t BCD_FRAME_COUNT = 14;
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static const uint32_t BCD_FRAME_BYTES = 60;
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static const uint32_t ROW_BYTES = BCD_FRAME_COUNT * BCD_FRAME_BYTES;
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static const uint32_t BITSTREAM_LENGTH = (ROW_COUNT * ROW_BYTES);
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static const uint SYSTEM_FREQ = 22050;
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private:
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static PIO bitstream_pio;
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static uint bitstream_sm;
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static uint bitstream_sm_offset;
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static PIO audio_pio;
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static uint audio_sm;
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static uint audio_sm_offset;
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uint16_t brightness = 256;
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uint16_t volume = 127;
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// must be aligned for 32bit dma transfer
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alignas(4) uint8_t bitstream[BITSTREAM_LENGTH] = {0};
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const uint32_t bitstream_addr = (uint32_t)bitstream;
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static GalacticUnicorn* unicorn;
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static void dma_complete();
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static const uint NUM_TONE_BUFFERS = 2;
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static const uint TONE_BUFFER_SIZE = 4;
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int16_t tone_buffers[NUM_TONE_BUFFERS][TONE_BUFFER_SIZE] = {0};
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uint current_buffer = 0;
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PicoSynth synth;
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enum PlayMode {
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PLAYING_BUFFER,
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//PLAYING_TONE,
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PLAYING_SYNTH,
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NOT_PLAYING
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};
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PlayMode play_mode = NOT_PLAYING;
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public:
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~GalacticUnicorn();
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void init();
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static inline void pio_program_init(PIO pio, uint sm, uint offset);
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void clear();
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void update(PicoGraphics *graphics);
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void set_brightness(float value);
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float get_brightness();
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void adjust_brightness(float delta);
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void set_volume(float value);
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float get_volume();
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void adjust_volume(float delta);
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void set_pixel(int x, int y, uint8_t r, uint8_t g, uint8_t b);
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uint16_t light();
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bool is_pressed(uint8_t button);
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void play_sample(uint8_t *data, uint32_t length);
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void play_synth();
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void stop_playing();
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AudioChannel& synth_channel(uint channel);
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private:
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void partial_teardown();
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void dma_safe_abort(uint channel);
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void next_audio_sequence();
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void populate_next_synth();
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};
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} |