kopia lustrzana https://github.com/pimoroni/pimoroni-pico
81 wiersze
2.1 KiB
C++
81 wiersze
2.1 KiB
C++
#pragma once
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#include "hardware/spi.h"
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#include "hardware/gpio.h"
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namespace pimoroni {
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class ST7789 {
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spi_inst_t *spi = spi0;
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uint32_t dma_channel;
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// screen properties
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uint16_t width;
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uint16_t height;
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uint16_t row_stride;
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// interface pins with our standard defaults where appropriate
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int8_t sck = 18;
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int8_t mosi = 19;
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int8_t miso = -1; // we generally don't use this pin
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int8_t cs = 17;
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int8_t dc = 16;
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int8_t bl = 20;
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int8_t vsync = -1; // only available on some products
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uint32_t spi_baud = 64 * 1024 * 1024;
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public:
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// frame buffer where pixel data is stored
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uint16_t *frame_buffer;
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public:
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ST7789(uint16_t width, uint16_t height, uint16_t *frame_buffer) :
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width(width), height(height), frame_buffer(frame_buffer) {}
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ST7789(uint16_t width, uint16_t height, uint16_t *frame_buffer,
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spi_inst_t *spi,
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uint8_t cs, uint8_t dc, uint8_t sck, uint8_t mosi, uint8_t miso = -1) :
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width(width), height(height), frame_buffer(frame_buffer),
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spi(spi),
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cs(cs), dc(dc), sck(sck), mosi(mosi), miso(miso) {}
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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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void vsync_callback(gpio_irq_callback_t callback);
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void update(bool dont_block = false);
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void set_backlight(uint8_t brightness);
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enum reg {
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SWRESET = 0x01,
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TEON = 0x35,
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MADCTL = 0x36,
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COLMOD = 0x3A,
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GCTRL = 0xB7,
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VCOMS = 0xBB,
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LCMCTRL = 0xC0,
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VDVVRHEN = 0xC2,
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VRHS = 0xC3,
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VDVS = 0xC4,
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FRCTRL2 = 0xC6,
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PWRCTRL1 = 0xD0,
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FRMCTR1 = 0xB1,
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FRMCTR2 = 0xB2,
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GMCTRP1 = 0xE0,
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GMCTRN1 = 0xE1,
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INVOFF = 0x20,
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SLPOUT = 0x11,
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DISPON = 0x29,
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GAMSET = 0x26,
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DISPOFF = 0x28,
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RAMWR = 0x2C,
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INVON = 0x21,
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CASET = 0x2A,
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RASET = 0x2B
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};
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};
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}
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