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80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
//
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// Created by Stepan Usatiuk on 02.03.2025.
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//
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#ifndef CB_DISPLAY_HPP
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#define CB_DISPLAY_HPP
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#include "config.hpp"
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#include "driver/spi_master.h"
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#include <array>
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#include <bitset>
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#include "Surface.hpp"
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#include "Window.hpp"
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namespace SMD {
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static constexpr size_t kLineBytes = DISP_WIDTH / 8;
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static constexpr size_t kLineMultiSingle = (kLineBytes + 2);
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static constexpr size_t kLineDataBytes = kLineMultiSingle * DISP_HEIGHT + 2;
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DMA_ATTR extern uint8_t dma_buf[SMD::kLineDataBytes];
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void init();
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void clear();
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void draw();
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static void set_pixel(int x, int y, bool value) {
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assert(x >= 0 && x < DISP_WIDTH && y >= 0 && y < DISP_HEIGHT);
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unsigned lineIdx = 2 + kLineMultiSingle * y + (x / 8);
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unsigned bitIdx = 1 << (7 - (x % 8)) % 8;
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if (value) {
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dma_buf[lineIdx] &= ~bitIdx;
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} else {
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dma_buf[lineIdx] |= bitIdx;
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}
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}
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static inline spi_device_interface_config_t _devcfg = {
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.mode = 0, // SPI mode 0
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.clock_speed_hz = 2 * 1000 * 1000, // Clock out at 10 MHz
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.spics_io_num = SPI_DISP_CS, // CS pin
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.flags = SPI_DEVICE_POSITIVE_CS,
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.queue_size = 3,
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// .pre_cb = lcd_spi_pre_transfer_callback, //Specify pre-transfer callback to handle D/C line
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};
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extern spi_device_handle_t _spi;
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extern bool _vcom;
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}; // namespace SMD
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class SMDSurface : public Surface<SMDSurface, BwPixel>, public StandardEventQueue<SMDSurface> {
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public:
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using PixelType = BwPixel;
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SMDSurface(EventLoop* loop);
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~SMDSurface() override;
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void draw_pixel_impl(unsigned x, unsigned y, const BwPixel& pixel);
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void clear_impl();
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int get_width_impl() const;
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int get_height_impl() const;
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template<typename T>
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EventHandlingResult handle(const T& event) {
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return _window->handle(event);
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}
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EventHandlingResult handle(SurfaceResizeEvent event);
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};
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#endif // DISPLAY_HPP
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