library: SPI: change default pins type

This allows _ALTx pins usage.

Fixes #1432

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

cores/arduino/pins_arduino.h

@@ -64,13 +64,13 @@ _Static_assert(NUM_ANALOG_INPUTS <= MAX_ANALOG_INPUTS,
   #define PIN_SPI_SCK               13
 #endif
 
-static const uint8_t SS   = PIN_SPI_SS;
-static const uint8_t SS1  = PIN_SPI_SS1;
-static const uint8_t SS2  = PIN_SPI_SS2;
-static const uint8_t SS3  = PIN_SPI_SS3;
-static const uint8_t MOSI = PIN_SPI_MOSI;
-static const uint8_t MISO = PIN_SPI_MISO;
-static const uint8_t SCK  = PIN_SPI_SCK;
+static const uint32_t SS   = PIN_SPI_SS;
+static const uint32_t SS1  = PIN_SPI_SS1;
+static const uint32_t SS2  = PIN_SPI_SS2;
+static const uint32_t SS3  = PIN_SPI_SS3;
+static const uint32_t MOSI = PIN_SPI_MOSI;
+static const uint32_t MISO = PIN_SPI_MISO;
+static const uint32_t SCK  = PIN_SPI_SCK;
 
 /* I2C Definitions */
 #ifndef PIN_WIRE_SDA

libraries/SPI/src/SPI.cpp

@@ -43,7 +43,7 @@ SPIClass::SPIClass() : _CSPinConfig(NO_CONFIG)
   *         another CS pin and don't pass a CS pin as parameter to any functions
   *         of the class.
   */
-SPIClass::SPIClass(uint8_t mosi, uint8_t miso, uint8_t sclk, uint8_t ssel) : _CSPinConfig(NO_CONFIG)
+SPIClass::SPIClass(uint32_t mosi, uint32_t miso, uint32_t sclk, uint32_t ssel) : _CSPinConfig(NO_CONFIG)
 {
   _spi.pin_miso = digitalPinToPinName(miso);
   _spi.pin_mosi = digitalPinToPinName(mosi);

libraries/SPI/src/SPI.h

@@ -114,7 +114,7 @@ class SPISettings {
 class SPIClass {
   public:
     SPIClass();
-    SPIClass(uint8_t mosi, uint8_t miso, uint8_t sclk, uint8_t ssel = (uint8_t)NC);
+    SPIClass(uint32_t mosi, uint32_t miso, uint32_t sclk, uint32_t ssel = PNUM_NOT_DEFINED);
 
     // setMISO/MOSI/SCLK/SSEL have to be called before begin()
     void setMISO(uint32_t miso)