pimoroni-pico/drivers/sh1107/sh1107.hpp

89 wiersze
2.7 KiB
C++

#pragma once
#include "hardware/i2c.h"
#include "hardware/gpio.h"
#include "common/pimoroni_common.hpp"
#include "common/pimoroni_i2c.hpp"
#include "libraries/pico_graphics/pico_graphics.hpp"
#include <algorithm>
namespace pimoroni {
class SH1107 : public DisplayDriver {
I2C &i2c;
public:
bool round;
static const uint8_t DEFAULT_I2C_ADDRESS = 0x3c;
static const uint8_t ALTERNATE_I2C_ADDRESS = 0x3d;
//--------------------------------------------------
// Variables
//--------------------------------------------------
private:
uint8_t i2c_address = DEFAULT_I2C_ADDRESS;
public:
SH1107(uint16_t width, uint16_t height, I2C &i2c) : SH1107(width, height, i2c, DEFAULT_I2C_ADDRESS) {};
SH1107(uint16_t width, uint16_t height, I2C &i2c, uint8_t i2c_address) :
DisplayDriver(width, height, ROTATE_0),
i2c(i2c), i2c_address(i2c_address) {
i2c.reg_write_uint8(i2c_address, 0, 0xae);
i2c.reg_write_uint8(i2c_address, 0, 0x20); // set memory addressing mode
i2c.reg_write_uint8(i2c_address, 0, 0x00);
i2c.reg_write_uint8(i2c_address, 0, 0xb0); // set page start address
i2c.reg_write_uint8(i2c_address, 0, 0xc0); // mirror vertically (for australian market)
i2c.reg_write_uint8(i2c_address, 0, 0x00);
i2c.reg_write_uint8(i2c_address, 0, 0x10);
i2c.reg_write_uint8(i2c_address, 0, 0x40);
i2c.reg_write_uint8(i2c_address, 0, 0xa0); // mirror horizontally
i2c.reg_write_uint8(i2c_address, 0, 0xa6); // no inversion
i2c.reg_write_uint8(i2c_address, 0, 0xff); // ??????!
i2c.reg_write_uint8(i2c_address, 0, 0x3f); // confusion intensifies..
i2c.reg_write_uint8(i2c_address, 0, 0xa4);
i2c.reg_write_uint8(i2c_address, 0, 0xd3); // set display offset
i2c.reg_write_uint8(i2c_address, 0, 0x00);
i2c.reg_write_uint8(i2c_address, 0, 0xd5); // set display clock divide
i2c.reg_write_uint8(i2c_address, 0, 0xf0);
i2c.reg_write_uint8(i2c_address, 0, 0xd9); // set precharge period
i2c.reg_write_uint8(i2c_address, 0, 0x22);
i2c.reg_write_uint8(i2c_address, 0, 0xda); // set com pins hardware configuration
i2c.reg_write_uint8(i2c_address, 0, 0x12);
i2c.reg_write_uint8(i2c_address, 0, 0xdb); // set vcomh
i2c.reg_write_uint8(i2c_address, 0, 0x20);
i2c.reg_write_uint8(i2c_address, 0, 0x8d); // set dc-dc enable
i2c.reg_write_uint8(i2c_address, 0, 0x14);
i2c.reg_write_uint8(i2c_address, 0, 0xaf); // turn display on
}
void update(PicoGraphics *graphics) override;
private:
void common_init();
void command(uint8_t command, size_t len = 0, const char *data = NULL);
};
}