89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
#pragma once
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#include "hardware/i2c.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_i2c.hpp"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include <algorithm>
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namespace pimoroni {
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class SH1107 : public DisplayDriver {
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I2C &i2c;
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public:
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bool round;
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static const uint8_t DEFAULT_I2C_ADDRESS = 0x3c;
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static const uint8_t ALTERNATE_I2C_ADDRESS = 0x3d;
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//--------------------------------------------------
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// Variables
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//--------------------------------------------------
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private:
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uint8_t i2c_address = DEFAULT_I2C_ADDRESS;
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public:
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SH1107(uint16_t width, uint16_t height, I2C &i2c) : SH1107(width, height, i2c, DEFAULT_I2C_ADDRESS) {};
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SH1107(uint16_t width, uint16_t height, I2C &i2c, uint8_t i2c_address) :
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DisplayDriver(width, height, ROTATE_0),
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i2c(i2c), i2c_address(i2c_address) {
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i2c.reg_write_uint8(i2c_address, 0, 0xae);
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i2c.reg_write_uint8(i2c_address, 0, 0x20); // set memory addressing mode
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i2c.reg_write_uint8(i2c_address, 0, 0x00);
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i2c.reg_write_uint8(i2c_address, 0, 0xb0); // set page start address
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i2c.reg_write_uint8(i2c_address, 0, 0xc0); // mirror vertically (for australian market)
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i2c.reg_write_uint8(i2c_address, 0, 0x00);
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i2c.reg_write_uint8(i2c_address, 0, 0x10);
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i2c.reg_write_uint8(i2c_address, 0, 0x40);
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i2c.reg_write_uint8(i2c_address, 0, 0xa0); // mirror horizontally
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i2c.reg_write_uint8(i2c_address, 0, 0xa6); // no inversion
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i2c.reg_write_uint8(i2c_address, 0, 0xff); // ??????!
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i2c.reg_write_uint8(i2c_address, 0, 0x3f); // confusion intensifies..
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i2c.reg_write_uint8(i2c_address, 0, 0xa4);
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i2c.reg_write_uint8(i2c_address, 0, 0xd3); // set display offset
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i2c.reg_write_uint8(i2c_address, 0, 0x00);
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i2c.reg_write_uint8(i2c_address, 0, 0xd5); // set display clock divide
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i2c.reg_write_uint8(i2c_address, 0, 0xf0);
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i2c.reg_write_uint8(i2c_address, 0, 0xd9); // set precharge period
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i2c.reg_write_uint8(i2c_address, 0, 0x22);
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i2c.reg_write_uint8(i2c_address, 0, 0xda); // set com pins hardware configuration
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i2c.reg_write_uint8(i2c_address, 0, 0x12);
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i2c.reg_write_uint8(i2c_address, 0, 0xdb); // set vcomh
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i2c.reg_write_uint8(i2c_address, 0, 0x20);
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i2c.reg_write_uint8(i2c_address, 0, 0x8d); // set dc-dc enable
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i2c.reg_write_uint8(i2c_address, 0, 0x14);
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i2c.reg_write_uint8(i2c_address, 0, 0xaf); // turn display on
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}
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void update(PicoGraphics *graphics) override;
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private:
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void common_init();
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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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