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67 lines
1.6 KiB
67 lines
1.6 KiB
#pragma once
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#include <cstdint>
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#include "display-init.hpp"
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#include "driver/spi_master.h"
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#include "gpio-expander.hpp"
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#include "lvgl/lvgl.h"
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#include "result.hpp"
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namespace gay_ipod {
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/*
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* Display driver for LVGL.
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*/
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class Display {
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public:
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enum Error {};
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static auto create(GpioExpander* expander,
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const displays::InitialisationData& init_data)
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-> cpp::result<std::unique_ptr<Display>, Error>;
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Display(GpioExpander* gpio, spi_device_handle_t handle);
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~Display();
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void WriteData();
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void Flush(lv_disp_drv_t* disp_drv,
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const lv_area_t* area,
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lv_color_t* color_map);
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void IRAM_ATTR PostTransaction(const spi_transaction_t& transaction);
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void ServiceTransactions();
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private:
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GpioExpander* gpio_;
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spi_device_handle_t handle_;
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lv_disp_draw_buf_t buffers_;
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lv_disp_drv_t driver_;
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lv_disp_t* display_ = nullptr;
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enum TransactionType {
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COMMAND = 0,
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DATA = 1,
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};
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enum TransactionFlags {
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LVGL_FLUSH = 1,
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};
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void SendInitialisationSequence(const uint8_t* data);
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void SendCommandWithData(uint8_t command,
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const uint8_t* data,
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size_t length,
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uintptr_t flags = 0);
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void SendCmd(const uint8_t* data, size_t length, uintptr_t flags = 0);
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void SendData(const uint8_t* data, size_t length, uintptr_t flags = 0);
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void SendTransaction(TransactionType type,
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const uint8_t* data,
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size_t length,
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uintptr_t flags = 0);
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};
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} // namespace gay_ipod
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