Fixes for WICED Feather hardware SPI

Author: PaintYourDragon

Adafruit_SPITFT.cpp

@@ -113,7 +113,6 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h,
 #endif
 }
 
-#if !defined(ARDUINO_STM32_FEATHER) // No SPIClass on WICED (yet?) 
 /**************************************************************************/
 /*!
     @brief  Instantiate Adafruit SPI display driver with hardware SPI
@@ -172,7 +171,6 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, SPIClass *spiClass,
     }
 #endif
 }
-#endif // !ARDUINO_STM32_FEATHER
 
 /**************************************************************************/
 /*!
@@ -225,11 +223,7 @@ void Adafruit_SPITFT::initSPI(uint32_t freq) {
 /**************************************************************************/
 uint8_t Adafruit_SPITFT::spiRead() {
     if(_sclk < 0){
-#if defined(ARDUINO_STM32_FEATHER)
-        return 0; // TODO
-#else
         return HSPI_READ();
-#endif
     }
     if(_miso < 0){
         return 0;

Adafruit_SPITFT.h

@@ -19,6 +19,7 @@
 #elif defined(ARDUINO_STM32_FEATHER)
   typedef volatile uint32 RwReg;
   #undef USE_FAST_PINIO
+  typedef class HardwareSPI SPIClass;
 #elif defined(__OPENCR__) || defined (__OPENCM904__)
   #undef USE_FAST_PINIO
 #elif defined(ARDUINO_FEATHER52) || defined(__arm__)
@@ -38,10 +39,8 @@ class Adafruit_SPITFT : public Adafruit_GFX {
 
     public:
         Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t _CS, int8_t _DC, int8_t _MOSI, int8_t _SCLK, int8_t _RST = -1, int8_t _MISO = -1);
-#if !defined(ARDUINO_STM32_FEATHER) // No SPIClass on WICED (yet?)
         Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t _CS, int8_t _DC, int8_t _RST = -1);
         Adafruit_SPITFT(uint16_t w, uint16_t h, SPIClass *spiClass, int8_t _CS, int8_t _DC, int8_t _RST = -1);
-#endif
         virtual void begin(uint32_t freq) = 0;  ///< Virtual begin() function to set SPI frequency, must be overridden in subclass. @param freq Maximum SPI hardware clock speed
 
         void      initSPI(uint32_t freq);
@@ -91,9 +90,7 @@ class Adafruit_SPITFT : public Adafruit_GFX {
         uint16_t  color565(uint8_t r, uint8_t g, uint8_t b);
 
     protected:
-#if !defined(ARDUINO_STM32_FEATHER)
 	SPIClass *_spi;         ///< The SPI device we want to use (set in constructor)
-#endif
         uint32_t _freq;         ///< SPI clock frequency (for hardware SPI)
 #if defined (__AVR__) || defined(TEENSYDUINO) || defined (ESP8266) || defined (ESP32)
         int8_t  _cs, _dc, _rst, _sclk, _mosi, _miso;

Adafruit_SPITFT_Macros.h

@@ -97,9 +97,6 @@ static inline uint8_t _avr_spi_read(void) {
 }
         #define HSPI_WRITE(b)            {SPDR = (b); while(!(SPSR & _BV(SPIF)));}
         #define HSPI_READ()              _avr_spi_read()
-    #elif defined(ARDUINO_STM32_FEATHER) // No SPIClass on WICED (yet?)
-        #define HSPI_WRITE(b)            SSPI_WRITE(b)
-        #define HSPI_READ()              HSPI_WRITE(0)
     #else
         #define HSPI_WRITE(b)            _spi->transfer((uint8_t)(b))
         #define HSPI_READ()              HSPI_WRITE(0)
@@ -109,20 +106,11 @@ static inline uint8_t _avr_spi_read(void) {
     #define HSPI_WRITE_PIXELS(c,l)   for(uint32_t i=0; i<(l); i+=2){ HSPI_WRITE(((uint8_t*)(c))[i+1]); HSPI_WRITE(((uint8_t*)(c))[i]); }
 #endif
 
-#if defined(ARDUINO_STM32_FEATHER) // No SPIClass on WICED (yet?)
-  #define SPI_BEGIN()
-  #define SPI_BEGIN_TRANSACTION()
-  #define SPI_END_TRANSACTION()
-  #define SPI_WRITE16(s)          SSPI_WRITE16(s);
-  #define SPI_WRITE32(l)          SSPI_WRITE32(l);
-  #define SPI_WRITE_PIXELS(c,l)   SSPI_WRITE_PIXELS(c,l);
-#else
   #define SPI_BEGIN()             if(_sclk < 0){_spi->begin();}
   #define SPI_BEGIN_TRANSACTION() if(_sclk < 0){HSPI_BEGIN_TRANSACTION();}
   #define SPI_END_TRANSACTION()   if(_sclk < 0){HSPI_END_TRANSACTION();}
   #define SPI_WRITE16(s)          if(_sclk < 0){HSPI_WRITE16(s);}else{SSPI_WRITE16(s);}
   #define SPI_WRITE32(l)          if(_sclk < 0){HSPI_WRITE32(l);}else{SSPI_WRITE32(l);}
   #define SPI_WRITE_PIXELS(c,l)   if(_sclk < 0){HSPI_WRITE_PIXELS(c,l);}else{SSPI_WRITE_PIXELS(c,l);}
-#endif
 
 #endif // _ADAFRUIT_SPITFT_MACROS

library.properties

@@ -1,5 +1,5 @@
 name=Adafruit GFX Library
-version=1.3.2
+version=1.3.3
 author=Adafruit
 maintainer=Adafruit <[email protected]>
 sentence=Adafruit GFX graphics core library, this is the 'core' class that all our other graphics libraries derive from.