Access to serial device is allowed when DEVICE_SERIAL is defined

Deepika · Deepika · commit 5bc33b94f84b · 2017-12-20T09:59:06.000-06:00
diff --git a/platform/mbed_retarget.cpp b/platform/mbed_retarget.cpp
@@ -351,7 +351,9 @@ extern "C" void PREFIX(_exit)(int return_code) {
 }
 
 extern "C" void _ttywrch(int ch) {
+#if DEVICE_SERIAL
     serial_putc(&stdio_uart, ch);
+#endif
 }
 #endif
 
@@ -739,6 +741,7 @@ extern "C" int errno;
 
 // Dynamic memory allocation related syscall.
 #if defined(TARGET_NUVOTON)
+
 // Overwrite _sbrk() to support two region model (heap and stack are two distinct regions).
 // __wrap__sbrk() is implemented in:
 // TARGET_NUMAKER_PFM_NUC472    targets/TARGET_NUVOTON/TARGET_NUC472/TARGET_NUMAKER_PFM_NUC472/TOOLCHAIN_GCC_ARM/nuc472_retarget.c

Original file line number	Diff line number	Diff line change
`@@ -351,7 +351,9 @@ extern "C" void PREFIX(_exit)(int return_code) {`
`351`	`351`	`}`
`352`	`352`
`353`	`353`	`extern "C" void _ttywrch(int ch) {`
	`354`	`+#if DEVICE_SERIAL`
`354`	`355`	`serial_putc(&stdio_uart, ch);`
	`356`	`+#endif`
`355`	`357`	`}`
`356`	`358`	`#endif`
`357`	`359`
`@@ -739,6 +741,7 @@ extern "C" int errno;`
`739`	`741`
`740`	`742`	`// Dynamic memory allocation related syscall.`
`741`	`743`	`#if defined(TARGET_NUVOTON)`
	`744`	`+`
`742`	`745`	`// Overwrite _sbrk() to support two region model (heap and stack are two distinct regions).`
`743`	`746`	`// __wrap__sbrk() is implemented in:`
`744`	`747`	`// TARGET_NUMAKER_PFM_NUC472 targets/TARGET_NUVOTON/TARGET_NUC472/TARGET_NUMAKER_PFM_NUC472/TOOLCHAIN_GCC_ARM/nuc472_retarget.c`