Quad SPI support for Bus_SPI(esp32)

src/lgfx/v1/panel/Panel_AMOLED.hpp

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+/*----------------------------------------------------------------------------/
+ *  Lovyan GFX - Graphics library for embedded devices.
+ *
+ * Original Source:
+ * https://github.com/lovyan03/LovyanGFX/
+ *
+ * Licence:
+ * [FreeBSD](https://github.com/lovyan03/LovyanGFX/blob/master/license.txt)
+ *
+ * Author:
+ * [lovyan03](https://twitter.com/lovyan03)
+ *
+ * Contributors:
+ * [ciniml](https://github.com/ciniml)
+ * [mongonta0716](https://github.com/mongonta0716)
+ * [tobozo](https://github.com/tobozo)
+ * /----------------------------------------------------------------------------*/
+#pragma once
+
+#if defined (ESP_PLATFORM)
+
+#include "Panel_Device.hpp"
+#include "Panel_FrameBufferBase.hpp"
+#include "../platforms/common.hpp"
+#include "../platforms/device.hpp"
+
+#if defined LGFX_USE_QSPI
+
+namespace lgfx
+{
+    inline namespace v1
+    {
+        //----------------------------------------------------------------------------
+
+        struct Panel_AMOLED;
+
+        struct Panel_AMOLED_Framebuffer : Panel_FrameBufferBase
+        {
+        public:
+            Panel_AMOLED_Framebuffer(Panel_AMOLED* panel) : _panel(panel) { assert(_panel); }
+            ~Panel_AMOLED_Framebuffer(void) { deinitFramebuffer(); }
+            bool init(bool use_reset) override;
+            bool initFramebuffer(uint_fast16_t w, uint_fast16_t h);
+            void deinitFramebuffer(void);
+
+            // TODO: reinit frame buffer when one of those functions is called
+            //color_depth_t setColorDepth(color_depth_t depth) override;
+            //void setRotation(uint_fast8_t r) override;
+            //void setInvert(bool invert) override;
+
+            void display(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h) override;
+
+        protected:
+            uint8_t* _frame_buffer = nullptr;
+            Panel_AMOLED* _panel = nullptr;
+        };
+
+
+        //----------------------------------------------------------------------------
+
+
+        struct Panel_AMOLED : public Panel_Device
+        {
+        protected:
+            bool _in_transaction = false;
+
+            Panel_AMOLED_Framebuffer* _panel_fb = nullptr;
+
+            uint16_t _colstart = 0;
+            uint16_t _rowstart = 0;
+
+        public:
+            Panel_AMOLED(void) { }
+
+            ~Panel_AMOLED(void)
+            {
+              deinitPanelFb();
+            }
+
+            bool init(bool use_reset) override;
+            void beginTransaction(void) override;
+            void endTransaction(void) override;
+
+
+            bool initPanelFb()
+            {
+              if(_panel_fb)
+                return true;
+              _panel_fb = new Panel_AMOLED_Framebuffer(this);
+              _panel_fb->config(_cfg);
+              _panel_fb->setColorDepth(_write_depth);
+              _panel_fb->setRotation(getRotation());
+              return _panel_fb->init(false);
+            }
+
+            void deinitPanelFb()
+            {
+              if(_panel_fb) {
+                delete _panel_fb;
+                _panel_fb = nullptr;
+              }
+            }
+
+            Panel_AMOLED_Framebuffer* getPanelFb()
+            {
+              return _panel_fb;
+            }
+
+            void display(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h) override
+            {
+              if(_panel_fb)
+                _panel_fb->display(x, y, w, h);
+            }
+
+            void command_list(const uint8_t *addr);
+
+            void update_madctl();
+
+            void write_cmd(uint8_t cmd);
+            void start_qspi();
+            void end_qspi();
+            void write_bytes(const uint8_t* data, uint32_t len, bool use_dma);
+
+            color_depth_t setColorDepth(color_depth_t depth) override;
+            void setRotation(uint_fast8_t r) override;
+            void setInvert(bool invert) override;
+            void setSleep(bool flg) override;
+            void setPowerSave(bool flg) override;
+            void setBrightness(uint8_t brightness) override;
+
+            void waitDisplay(void) override;
+            bool displayBusy(void) override;
+
+            void writePixels(pixelcopy_t* param, uint32_t len, bool use_dma) override;
+            void writeBlock(uint32_t rawcolor, uint32_t len) override;
+
+            // not sure what these display commands are for, more testing needed
+            void setVerticalPartialArea(uint_fast16_t xs, uint_fast16_t xe);
+            void setPartialArea(uint_fast16_t ys, uint_fast16_t ye);
+
+            void setWindow(uint_fast16_t xs, uint_fast16_t ys, uint_fast16_t xe, uint_fast16_t ye) override;
+            void drawPixelPreclipped(uint_fast16_t x, uint_fast16_t y, uint32_t rawcolor) override;
+            void writeFillRectPreclipped(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, uint32_t rawcolor) override;
+            void writeImage(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, pixelcopy_t* param, bool use_dma) override;
+
+            // TODO: implement those
+            uint32_t readCommand(uint_fast16_t cmd, uint_fast8_t index, uint_fast8_t len) override { return 0;}
+            uint32_t readData(uint_fast8_t index, uint_fast8_t len) override { return 0;}
+            void readRect(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, void* dst, pixelcopy_t* param) override { };
+        };
+
+
+        //----------------------------------------------------------------------------
+    }
+
+}
+
+
+#endif
+#endif