acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
Arduino_ESP32LCD16.h (2732B)
      1 /*
      2  * start rewrite from:
      3  * https://github.com/lovyan03/LovyanGFX/blob/master/src/lgfx/v0/platforms/LGFX_PARALLEL_ESP32.hpp
      4  */
      5 #include "Arduino_DataBus.h"
      6 
      7 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
      8 
      9 #ifndef _ARDUINO_ESP32LCD16_H_
     10 #define _ARDUINO_ESP32LCD16_H_
     11 
     12 #define LCD_MAX_PIXELS_AT_ONCE 2046
     13 #define USE_DMA_THRESHOLD 6
     14 
     15 class Arduino_ESP32LCD16 : public Arduino_DataBus
     16 {
     17 public:
     18   Arduino_ESP32LCD16(
     19       int8_t dc, int8_t cs, int8_t wr, int8_t rd,
     20       int8_t d0, int8_t d1, int8_t d2, int8_t d3, int8_t d4, int8_t d5, int8_t d6, int8_t d7,
     21       int8_t d8, int8_t d9, int8_t d10, int8_t d11, int8_t d12, int8_t d13, int8_t d14, int8_t d15); // Constructor
     22 
     23   bool begin(int32_t speed = GFX_NOT_DEFINED, int8_t dataMode = GFX_NOT_DEFINED) override;
     24   void beginWrite() override;
     25   void endWrite() override;
     26   void writeCommand(uint8_t) override;
     27   void writeCommand16(uint16_t) override;
     28   void write(uint8_t) override;
     29   void write16(uint16_t) override;
     30   void writeRepeat(uint16_t p, uint32_t len) override;
     31   void writePixels(uint16_t *data, uint32_t len) override;
     32 
     33   void writeC8D8(uint8_t c, uint8_t d) override;
     34   void writeC8D16(uint8_t c, uint16_t d) override;
     35   void writeC8D16D16(uint8_t c, uint16_t d1, uint16_t d2) override;
     36   void writeC8D16D16Split(uint8_t c, uint16_t d1, uint16_t d2) override;
     37   void writeBytes(uint8_t *data, uint32_t len) override;
     38   void writePattern(uint8_t *data, uint8_t len, uint32_t repeat) override;
     39 
     40   void writeIndexedPixels(uint8_t *data, uint16_t *idx, uint32_t len) override;
     41   void writeIndexedPixelsDouble(uint8_t *data, uint16_t *idx, uint32_t len) override;
     42 
     43 protected:
     44 private:
     45   INLINE void WRITECOMMAND16(uint16_t c);
     46   INLINE void WRITE16(uint16_t d);
     47   INLINE void WRITE32(uint32_t d);
     48   INLINE void CS_HIGH(void);
     49   INLINE void CS_LOW(void);
     50 
     51   int8_t _dc, _cs, _wr, _rd;
     52   int8_t _d0, _d1, _d2, _d3, _d4, _d5, _d6, _d7;
     53   int8_t _d8, _d9, _d10, _d11, _d12, _d13, _d14, _d15;
     54 
     55   PORTreg_t _csPortSet; ///< PORT register SET
     56   PORTreg_t _csPortClr; ///< PORT register CLEAR
     57   uint32_t _csPinMask;  ///< Bitmask
     58 
     59   uint32_t _fast_wait;
     60   esp_lcd_i80_bus_handle_t _i80_bus = nullptr;
     61   dma_descriptor_t *_dmadesc = nullptr;
     62   gdma_channel_handle_t _dma_chan;
     63 
     64   union
     65   {
     66     uint32_t value;
     67     struct
     68     {
     69       uint16_t value16;
     70       uint16_t value16_2;
     71     };
     72     struct
     73     {
     74       uint8_t lsb;
     75       uint8_t msb;
     76       uint8_t lsb_2;
     77       uint8_t msb_2;
     78     };
     79   } _data32;
     80 
     81   union
     82   {
     83     uint8_t _buffer[LCD_MAX_PIXELS_AT_ONCE * 2] = {0};
     84     uint16_t _buffer16[LCD_MAX_PIXELS_AT_ONCE];
     85     uint32_t _buffer32[LCD_MAX_PIXELS_AT_ONCE / 2];
     86   };
     87 };
     88 
     89 #endif // _ARDUINO_ESP32LCD16_H_
     90 
     91 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)