优化中断

Bsp/Src/SysCall.c

@@ -20,7 +20,7 @@
  *
  ******************************************************************************
  */
-#ifdef defined (__GNUC__)
+#if defined (__GNUC__)
 /* Includes */
 #include "Bsp.h"
 
@@ -69,7 +69,7 @@ __attribute__((weak)) int _write(int file, char *ptr, int len)
   */
 PUTCHAR_PROTOTYPE
 {
-  UsartSendChar(TTY_COM, ch); //阻塞式无限等待
+  ComSendChar(TTY_COM, ch); //阻塞式无限等待
   return ch;
 }
 
@@ -83,8 +83,7 @@ PUTCHAR_PROTOTYPE
 GETCHAR_PROTOTYPE
 {
   uint8_t ch = 0;
-  ch = UsartReceiveChar(TTY_COM);
-    
+  ch = ComReceiveChar(TTY_COM);
   return ch;
 }