pimoroni-pico/drivers/uc8159/uc8159.hpp

83 lines
2.2 KiB
C++

#pragma once
#include <initializer_list>
#include "pico/stdlib.h"
#include "hardware/spi.h"
#include "hardware/gpio.h"
#include "common/pimoroni_common.hpp"
#include "common/pimoroni_bus.hpp"
#include "libraries/pico_graphics/pico_graphics.hpp"
namespace pimoroni {
class UC8159 : public DisplayDriver {
//--------------------------------------------------
// Variables
//--------------------------------------------------
private:
uint16_t width;
uint16_t height;
spi_inst_t *spi = PIMORONI_SPI_DEFAULT_INSTANCE;
// interface pins with our standard defaults where appropriate
uint CS = SPI_BG_FRONT_CS;
uint DC = 28; // 27;
uint SCK = SPI_DEFAULT_SCK;
uint MOSI = SPI_DEFAULT_MOSI;
uint BUSY = PIN_UNUSED;
uint RESET = 27; //25;
absolute_time_t timeout;
bool blocking = false;
public:
enum colour : uint8_t {
BLACK = 0,
WHITE = 1,
GREEN = 2,
BLUE = 3,
RED = 4,
YELLOW = 5,
ORANGE = 6,
CLEAN = 7
};
UC8159(uint16_t width, uint16_t height) : UC8159(width, height, {PIMORONI_SPI_DEFAULT_INSTANCE, SPI_BG_FRONT_CS, SPI_DEFAULT_SCK, SPI_DEFAULT_MOSI, PIN_UNUSED, 28, PIN_UNUSED}) {};
UC8159(uint16_t width, uint16_t height, SPIPins pins, uint busy=PIN_UNUSED, uint reset=27) :
DisplayDriver(width, height, ROTATE_0),
width(width),
height(height),
spi(pins.spi),
CS(pins.cs), DC(pins.dc), SCK(pins.sck), MOSI(pins.mosi), BUSY(busy), RESET(reset) {
init();
}
//--------------------------------------------------
// Methods
//--------------------------------------------------
public:
void busy_wait(uint minimum_wait_ms=0);
void reset();
void power_off();
bool is_busy() override;
void update(PicoGraphics *graphics) override;
void set_blocking(bool blocking);
private:
void init();
void setup();
void command(uint8_t reg, size_t len, const uint8_t *data);
void command(uint8_t reg, std::initializer_list<uint8_t> values);
void command(uint8_t reg, const uint8_t data) {command(reg, 0, &data);};
void command(uint8_t reg) {command(reg, 0, nullptr);};
void data(size_t len, const uint8_t *data);
};
}