Fork of Tangara with customizations
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tangara-fw/main/display.hpp

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1.1 KiB

#pragma once
#include <cstdint>
#include "driver/spi_master.h"
#include "gpio-expander.hpp"
#include "result.hpp"
// https://github.com/adafruit/Adafruit-ST7735-Library/blob/master/Adafruit_ST77xx.cpp
// https://github.com/adafruit/Adafruit-ST7735-Library/blob/master/Adafruit_ST7735.cpp
namespace gay_ipod {
struct InitialisationData {
uint8_t num_sequences;
uint8_t* sequences[4];
};
extern InitialisationData kInitData;
/*
* Display driver for LVGL.
*/
class Display {
public:
enum Error {};
static auto create(GpioExpander* expander,
const InitialisationData& init_data)
-> cpp::result<std::unique_ptr<Display>, Error>;
Display(GpioExpander* gpio, spi_device_handle_t handle);
~Display();
void WriteData();
private:
GpioExpander* gpio_;
spi_device_handle_t handle_;
void SendInitialisationSequence(uint8_t* data);
void SendCommandWithData(uint8_t command, uint8_t* data, size_t length);
void SendCmd(uint8_t* data, size_t length);
void SendData(uint8_t* data, size_t length);
void SendTransaction(uint8_t* data, size_t length);
};
} // namespace gay_ipod