Improve compatibility with existing libraries

Author: facchinm

cores/arduino/Arduino.h

@@ -11,12 +11,14 @@
 
 
 #if defined(__cplusplus)
+
+using namespace arduino;
+
 #include "usb/SerialUSB.h"
 #include "pwm.h"
 #include "Serial.h"
 #endif
 
-
 #if defined(__cplusplus)
 
 #undef F
@@ -171,6 +173,14 @@ extern sciTable_t SciTable[];
 #define digitalPinToPwmPin(P)       (g_APinDescription[P].PWMChannel)
 #define digitalPinToPwmObj(P)       (pwmTable[digitalPinToPwmPin(P)].pwm)
 
+#define IOPORT_PRV_PORT_ADDRESS(port_number)    ((uint32_t) (R_PORT1 - R_PORT0) * (port_number) + R_PORT0)
+
+#define digitalPinToPort(P)		      (digitalPinToBspPin(P) >> 8)
+#define digitalPinToBitMask(P)      (1 << (digitalPinToBspPin(P) & 0xFF))
+#define portOutputRegister(port)    &(((R_PORT0_Type *)IOPORT_PRV_PORT_ADDRESS(port))->PODR)
+#define portInputRegister(port)     &(((R_PORT0_Type *)IOPORT_PRV_PORT_ADDRESS(port))->PIDR)
+#define portModeRegister(port)      &(((R_PORT0_Type *)IOPORT_PRV_PORT_ADDRESS(port))->PDR)
+
 void pinPeripheral(bsp_io_port_pin_t bspPin, uint32_t bspPeripheral);
 #if defined(__cplusplus)
 void pinPeripheral(uint32_t pinNumber, uint32_t bspPeripheral);

libraries/SPI/SPI.cpp

@@ -13,6 +13,8 @@
 
 #include "SPI.h"
 
+using namespace arduino;
+
 extern const spi_extended_cfg_t g_spi0_ext_cfg;
 extern const spi_extended_cfg_t g_spi1_ext_cfg;
 extern const sci_spi_extended_cfg_t g_spi2_cfg_extend;

libraries/SPI/SPI.h

@@ -23,7 +23,9 @@
 //extern const spi_extended_cfg_t g_spi0_ext_cfg;
 //extern const sci_spi_extended_cfg_t g_spi1_cfg_extend;
 
-class ArduinoSPI : public arduino::SPIClass
+namespace arduino {
+
+class ArduinoSPI : public SPIClass
 {
 public:
     ArduinoSPI(spi_ctrl_t *g_spi_ctrl 
@@ -79,14 +81,16 @@ class ArduinoSPI : public arduino::SPIClass
     bool _is_sci;
 };
 
+}
+
 #if SPI_HOWMANY > 0
-extern ArduinoSPI SPI;
+extern arduino::ArduinoSPI SPI;
 #endif
 #if SPI_HOWMANY > 1
 #ifdef SPI1
 #undef SPI1
 #endif
-extern ArduinoSPI SPI1;
+extern arduino::ArduinoSPI SPI1;
 #endif
 
 #endif