acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
Arduino_SWSPI.h (4117B)
      1 /*
      2  * start rewrite from:
      3  * https://github.com/adafruit/Adafruit-GFX-Library.git
      4  */
      5 #ifndef _ARDUINO_SWSPI_H_
      6 #define _ARDUINO_SWSPI_H_
      7 
      8 #include "Arduino_DataBus.h"
      9 
     10 class Arduino_SWSPI : public Arduino_DataBus
     11 {
     12 public:
     13   Arduino_SWSPI(int8_t dc, int8_t cs, int8_t _sck, int8_t _mosi, int8_t _miso = GFX_NOT_DEFINED); // Constructor
     14 
     15   bool begin(int32_t speed = GFX_NOT_DEFINED, int8_t dataMode = GFX_NOT_DEFINED) override;
     16   void beginWrite() override;
     17   void endWrite() override;
     18   void writeCommand(uint8_t) override;
     19   void writeCommand16(uint16_t) override;
     20   void write(uint8_t) override;
     21   void write16(uint16_t) override;
     22   void writeRepeat(uint16_t p, uint32_t len) override;
     23   void writePixels(uint16_t *data, uint32_t len) override;
     24 
     25 #if !defined(LITTLE_FOOT_PRINT)
     26   void writeBytes(uint8_t *data, uint32_t len) override;
     27   void writePattern(uint8_t *data, uint8_t len, uint32_t repeat) override;
     28 #endif // !defined(LITTLE_FOOT_PRINT)
     29 
     30 private:
     31   INLINE void WRITE9BITCOMMAND(uint8_t c);
     32   INLINE void WRITE9BITDATA(uint8_t d);
     33   INLINE void WRITE(uint8_t d);
     34   INLINE void WRITE16(uint16_t d);
     35   INLINE void WRITE9BITREPEAT(uint16_t p, uint32_t len);
     36   INLINE void WRITEREPEAT(uint16_t p, uint32_t len);
     37   INLINE void DC_HIGH(void);
     38   INLINE void DC_LOW(void);
     39   INLINE void CS_HIGH(void);
     40   INLINE void CS_LOW(void);
     41   INLINE void SPI_MOSI_HIGH(void);
     42   INLINE void SPI_MOSI_LOW(void);
     43   INLINE void SPI_SCK_HIGH(void);
     44   INLINE void SPI_SCK_LOW(void);
     45   INLINE bool SPI_MISO_READ(void);
     46 
     47   int8_t _dc, _cs;
     48   int8_t _sck, _mosi, _miso;
     49 
     50   // CLASS INSTANCE VARIABLES --------------------------------------------
     51 
     52   // Here be dragons! There's a big union of three structures here --
     53   // one each for hardware SPI, software (bitbang) SPI, and parallel
     54   // interfaces. This is to save some memory, since a display's connection
     55   // will be only one of these. The order of some things is a little weird
     56   // in an attempt to get values to align and pack better in RAM.
     57 
     58 #if defined(USE_FAST_PINIO)
     59 #if defined(HAS_PORT_SET_CLR)
     60   PORTreg_t _csPortSet;   ///< PORT register for chip select SET
     61   PORTreg_t _csPortClr;   ///< PORT register for chip select CLEAR
     62   PORTreg_t _dcPortSet;   ///< PORT register for data/command SET
     63   PORTreg_t _dcPortClr;   ///< PORT register for data/command CLEAR
     64   PORTreg_t _mosiPortSet; ///< PORT register for MOSI SET
     65   PORTreg_t _mosiPortClr; ///< PORT register for MOSI CLEAR
     66   PORTreg_t _sckPortSet;  ///< PORT register for SCK SET
     67   PORTreg_t _sckPortClr;  ///< PORT register for SCK CLEAR
     68 #if !defined(KINETISK)
     69   ARDUINOGFX_PORT_t _csPinMask;   ///< Bitmask for chip select
     70   ARDUINOGFX_PORT_t _dcPinMask;   ///< Bitmask for data/command
     71   ARDUINOGFX_PORT_t _mosiPinMask; ///< Bitmask for MOSI
     72   ARDUINOGFX_PORT_t _sckPinMask;  ///< Bitmask for SCK
     73 #endif                            // !KINETISK
     74 #else                             // !HAS_PORT_SET_CLR
     75   PORTreg_t _mosiPort;               ///< PORT register for MOSI
     76   PORTreg_t _sckPort;                ///< PORT register for SCK
     77   PORTreg_t _csPort;                 ///< PORT register for chip select
     78   PORTreg_t _dcPort;                 ///< PORT register for data/command
     79   ARDUINOGFX_PORT_t _csPinMaskSet;   ///< Bitmask for chip select SET (OR)
     80   ARDUINOGFX_PORT_t _csPinMaskClr;   ///< Bitmask for chip select CLEAR (AND)
     81   ARDUINOGFX_PORT_t _dcPinMaskSet;   ///< Bitmask for data/command SET (OR)
     82   ARDUINOGFX_PORT_t _dcPinMaskClr;   ///< Bitmask for data/command CLEAR (AND)
     83   ARDUINOGFX_PORT_t _mosiPinMaskSet; ///< Bitmask for MOSI SET (OR)
     84   ARDUINOGFX_PORT_t _mosiPinMaskClr; ///< Bitmask for MOSI CLEAR (AND)
     85   ARDUINOGFX_PORT_t _sckPinMaskSet;  ///< Bitmask for SCK SET (OR bitmask)
     86   ARDUINOGFX_PORT_t _sckPinMaskClr;  ///< Bitmask for SCK CLEAR (AND)
     87 #endif                            // HAS_PORT_SET_CLR
     88   PORTreg_t _misoPort;            ///< PORT (PIN) register for MISO
     89 #if !defined(KINETISK)
     90   ARDUINOGFX_PORT_t _misoPinMask; ///< Bitmask for MISO
     91 #endif                            // !KINETISK
     92 #endif                            // defined(USE_FAST_PINIO)
     93 };
     94 
     95 #endif // _ARDUINO_SWSPI_H_