cores/xmc: Adapt Serial after using namespace arduino.

Signed-off-by: zhanglinjing <Linjing.Zhang@infineon.com>

Author: LinjingZhang

cores/xmc/Arduino.h

@@ -28,7 +28,6 @@
 
 #ifdef __cplusplus
 using namespace arduino;
-
 extern "C" {
 #endif
 

cores/xmc/Uart.cpp

@@ -28,9 +28,7 @@
 
 // Constructors ////////////////////////////////////////////////////////////////
 
-Uart::Uart(XMC_UART_t *xmc_uart_config,
-           arduino::RingBuffer *rx_buffer,
-           arduino::RingBuffer *tx_buffer) {
+Uart::Uart(XMC_UART_t *xmc_uart_config, RingBuffer *rx_buffer, RingBuffer *tx_buffer) {
     _XMC_UART_config = xmc_uart_config;
     _rx_buffer = rx_buffer;
     _tx_buffer = tx_buffer;

cores/xmc/Uart.h

@@ -87,13 +87,10 @@ typedef enum XMC_UART_MODE {
 //****************************************************************************
 // @Class Definitionsw
 //****************************************************************************
-class Uart : public arduino::HardwareSerial {
+class Uart : public HardwareSerial {
 public:
     XMC_UART_t *_XMC_UART_config;
-
-    Uart(XMC_UART_t *xmc_uart_config,
-         arduino::RingBuffer *rx_buffer,
-         arduino::RingBuffer *tx_buffer);
+    q Uart(XMC_UART_t *xmc_uart_config, RingBuffer *rx_buffer, RingBuffer *tx_buffer);
 
     void begin(unsigned long);
     void begin(unsigned long baudrate, uint16_t config) override;
@@ -129,7 +126,7 @@ class Uart : public arduino::HardwareSerial {
     void IrqHandler(void);
 
 private:
-    arduino::RingBuffer *_rx_buffer;
+    RingBuffer *_rx_buffer;
     arduino::RingBuffer *_tx_buffer;
 };
 

cores/xmc/main.cpp

@@ -49,7 +49,11 @@ int main(void) {
     setup();
     while (1) {
         loop();
-        serialEventRun();
+        if (arduino::serialEventRun) {
+            arduino::serialEventRun();
+        } else {
+            ::serialEventRun();
+        }
     }
 }