pimoroni-pico/drivers/uc8159/uc8159.hpp

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2022-03-22 17:12:59 +00:00
#pragma once
#include <initializer_list>
#include "pico/stdlib.h"
#include "hardware/spi.h"
#include "hardware/gpio.h"
#include "../../common/pimoroni_common.hpp"
namespace pimoroni {
class UC8159 {
//--------------------------------------------------
// Variables
//--------------------------------------------------
private:
// screen properties
uint16_t width;
uint16_t height;
// 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;
spi_inst_t *spi = PIMORONI_SPI_DEFAULT_INSTANCE;
// interface pins with our standard defaults where appropriate
uint CS = SPI_BG_FRONT_CS;
uint DC = 27;
uint SCK = SPI_DEFAULT_SCK;
uint MOSI = SPI_DEFAULT_MOSI;
uint BUSY = 26;
uint RESET = 25;
bool inverted = false;
public:
UC8159(uint16_t width, uint16_t height) :
width(width), height(height), frame_buffer(new uint8_t[width * height / 2]) {
}
UC8159(uint16_t width, uint16_t height, uint8_t *frame_buffer) :
width(width), height(height), frame_buffer(frame_buffer) {
}
UC8159(uint16_t width, uint16_t height,
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 / 2]),
spi(spi),
CS(CS), DC(DC), SCK(SCK), MOSI(MOSI), BUSY(BUSY), RESET(RESET) {}
UC8159(uint16_t width, uint16_t height,
uint8_t *frame_buffer,
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(frame_buffer),
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();
void power_off();
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);
void update(bool blocking = true);
void pixel(int x, int y, int v);
};
}