69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
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#pragma once
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#include "hardware/spi.h"
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#include "hardware/gpio.h"
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#include "common/pimoroni_common.hpp"
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#include "common/pimoroni_bus.hpp"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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namespace pimoroni {
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class ST7567 : public DisplayDriver {
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//--------------------------------------------------
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// Constants
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//--------------------------------------------------
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private:
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static const uint8_t ROWS = 128;
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static const uint8_t COLS = 64;
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static const uint8_t PAGESIZE = 128;
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//--------------------------------------------------
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// Variables
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//--------------------------------------------------
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private:
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spi_inst_t *spi = spi0;
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uint32_t dma_channel;
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// interface pins with our standard defaults where appropriate
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uint cs = SPI_BG_FRONT_CS;
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uint dc = 20;
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uint sck = SPI_DEFAULT_SCK ;
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uint mosi = SPI_DEFAULT_MOSI;
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uint bl = PIN_UNUSED;
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uint reset = PIN_UNUSED;
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uint32_t spi_baud = 30 * 1024 * 1024;
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uint8_t offset_cols = 0;
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uint8_t offset_rows = 0;
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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public:
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ST7567(uint16_t width, uint16_t height, Rotation rotate) : ST7567(width, height, rotate, {PIMORONI_SPI_DEFAULT_INSTANCE, SPI_BG_FRONT_CS, SPI_DEFAULT_SCK, SPI_DEFAULT_MOSI, PIN_UNUSED, 20, PIN_UNUSED}) {};
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ST7567(uint16_t width, uint16_t height, SPIPins pins, uint busy=26, uint reset=21) :
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DisplayDriver(width, height, ROTATE_0),
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spi(pins.spi),
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CS(pins.cs), DC(pins.dc), SCK(pins.sck), MOSI(pins.mosi), BUSY(busy), RESET(reset) {
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init();
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}
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//--------------------------------------------------
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// Methods
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//--------------------------------------------------
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public:
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void update(PicoGraphics *graphics) override;
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void set_backlight(uint8_t brightness) override;
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private:
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void init(bool auto_init_sequence = true);
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void command(uint8_t command, size_t len = 0, const char *data = NULL);
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};
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}
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