pimoroni-pico/drivers/uc8151_legacy/uc8151_legacy.hpp

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5.7 KiB
C++
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#pragma once
#include <initializer_list>
#include "pico/stdlib.h"
#include "hardware/spi.h"
#include "hardware/gpio.h"
#include "../../common/pimoroni_common.hpp"
namespace pimoroni {
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class UC8151_Legacy {
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enum PSR_FLAGS {
RES_96x230 = 0b00000000,
RES_96x252 = 0b01000000,
RES_128x296 = 0b10000000,
RES_160x296 = 0b11000000,
LUT_OTP = 0b00000000,
LUT_REG = 0b00100000,
FORMAT_BWR = 0b00000000,
FORMAT_BW = 0b00010000,
SCAN_DOWN = 0b00000000,
SCAN_UP = 0b00001000,
SHIFT_LEFT = 0b00000000,
SHIFT_RIGHT = 0b00000100,
BOOSTER_OFF = 0b00000000,
BOOSTER_ON = 0b00000010,
RESET_SOFT = 0b00000000,
RESET_NONE = 0b00000001
};
enum PWR_FLAGS_1 {
VDS_EXTERNAL = 0b00000000,
VDS_INTERNAL = 0b00000010,
VDG_EXTERNAL = 0b00000000,
VDG_INTERNAL = 0b00000001
};
enum PWR_FLAGS_2 {
VCOM_VD = 0b00000000,
VCOM_VG = 0b00000100,
VGHL_16V = 0b00000000,
VGHL_15V = 0b00000001,
VGHL_14V = 0b00000010,
VGHL_13V = 0b00000011
};
enum BOOSTER_FLAGS {
START_10MS = 0b00000000,
START_20MS = 0b01000000,
START_30MS = 0b10000000,
START_40MS = 0b11000000,
STRENGTH_1 = 0b00000000,
STRENGTH_2 = 0b00001000,
STRENGTH_3 = 0b00010000,
STRENGTH_4 = 0b00011000,
STRENGTH_5 = 0b00100000,
STRENGTH_6 = 0b00101000,
STRENGTH_7 = 0b00110000,
STRENGTH_8 = 0b00111000,
OFF_0_27US = 0b00000000,
OFF_0_34US = 0b00000001,
OFF_0_40US = 0b00000010,
OFF_0_54US = 0b00000011,
OFF_0_80US = 0b00000100,
OFF_1_54US = 0b00000101,
OFF_3_34US = 0b00000110,
OFF_6_58US = 0b00000111
};
enum PFS_FLAGS {
FRAMES_1 = 0b00000000,
FRAMES_2 = 0b00010000,
FRAMES_3 = 0b00100000,
FRAMES_4 = 0b00110000
};
enum TSE_FLAGS {
TEMP_INTERNAL = 0b00000000,
TEMP_EXTERNAL = 0b10000000,
OFFSET_0 = 0b00000000,
OFFSET_1 = 0b00000001,
OFFSET_2 = 0b00000010,
OFFSET_3 = 0b00000011,
OFFSET_4 = 0b00000100,
OFFSET_5 = 0b00000101,
OFFSET_6 = 0b00000110,
OFFSET_7 = 0b00000111,
OFFSET_MIN_8 = 0b00001000,
OFFSET_MIN_7 = 0b00001001,
OFFSET_MIN_6 = 0b00001010,
OFFSET_MIN_5 = 0b00001011,
OFFSET_MIN_4 = 0b00001100,
OFFSET_MIN_3 = 0b00001101,
OFFSET_MIN_2 = 0b00001110,
OFFSET_MIN_1 = 0b00001111
};
enum PLL_FLAGS {
// other frequency options exist but there doesn't seem to be much
// point in including them - this is a fair range of options...
HZ_29 = 0b00111111,
HZ_33 = 0b00111110,
HZ_40 = 0b00111101,
HZ_50 = 0b00111100,
HZ_67 = 0b00111011,
HZ_100 = 0b00111010,
HZ_200 = 0b00111001
};
//--------------------------------------------------
// Variables
//--------------------------------------------------
private:
// screen properties
uint16_t width;
uint16_t height;
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// highest possible resolution is 160x296 which at 1 bit per pixel
// requires 5920 bytes of frame buffer
//uint8_t frame_buffer[5920] = {0};
uint8_t *frame_buffer;
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spi_inst_t *spi = PIMORONI_SPI_DEFAULT_INSTANCE;
// interface pins with our standard defaults where appropriate
uint CS = SPI_BG_FRONT_CS;
uint DC = SPI_DEFAULT_MISO;
uint SCK = SPI_DEFAULT_SCK;
uint MOSI = SPI_DEFAULT_MOSI;
uint BUSY = PIN_UNUSED;
uint RESET = PIN_UNUSED;
bool inverted = false;
uint8_t _update_speed = 0;
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public:
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UC8151_Legacy(uint16_t width, uint16_t height) :
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width(width), height(height), frame_buffer(new uint8_t[width * height / 8]) {
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}
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UC8151_Legacy(uint16_t width, uint16_t height, uint8_t *frame_buffer) :
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width(width), height(height), frame_buffer(frame_buffer) {
}
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UC8151_Legacy(uint16_t width, uint16_t height,
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spi_inst_t *spi,
uint CS, uint DC, uint SCK, uint MOSI,
uint BUSY = PIN_UNUSED, uint RESET = PIN_UNUSED) :
width(width), height(height),
frame_buffer(new uint8_t[width * height / 8]),
spi(spi),
CS(CS), DC(DC), SCK(SCK), MOSI(MOSI), BUSY(BUSY), RESET(RESET) {}
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UC8151_Legacy(uint16_t width, uint16_t height,
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uint8_t *frame_buffer,
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spi_inst_t *spi,
uint CS, uint DC, uint SCK, uint MOSI,
uint BUSY = PIN_UNUSED, uint RESET = PIN_UNUSED) :
width(width), height(height),
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frame_buffer(frame_buffer),
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spi(spi),
CS(CS), DC(DC), SCK(SCK), MOSI(MOSI), BUSY(BUSY), RESET(RESET) {}
//--------------------------------------------------
// Methods
//--------------------------------------------------
public:
void init();
void busy_wait();
bool is_busy();
void reset();
void setup(uint8_t speed=0);
void power_off();
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void default_luts();
void medium_luts();
void fast_luts();
void turbo_luts();
void read(uint8_t reg, size_t len, uint8_t *data);
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void command(uint8_t reg, size_t len, const uint8_t *data);
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void command(uint8_t reg, std::initializer_list<uint8_t> values);
void command(uint8_t reg) {command(reg, 0, nullptr);};
void data(size_t len, const uint8_t *data);
void invert(bool invert);
void update_speed(uint8_t speed);
uint8_t update_speed();
uint32_t update_time();
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void update(bool blocking = true);
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void partial_update(int x, int y, int w, int h, bool blocking = true);
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void off();
void pixel(int x, int y, int v);
uint8_t* get_frame_buffer();
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};
}