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Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Last commit 20 Feb 2019 by 
mbed official
Diff: common/RawSerial.cpp
- Revision:
- 64:7b352733b00a
- Parent:
- 36:ab3ee77451e7
- Child:
- 299:fb529cc9bc22
--- a/common/RawSerial.cpp Thu Dec 19 09:00:06 2013 +0000
+++ b/common/RawSerial.cpp Thu Dec 19 13:15:07 2013 +0000
@@ -15,9 +15,12 @@
*/
#include "RawSerial.h"
#include "wait_api.h"
+#include <cstdarg>
#if DEVICE_SERIAL
+#define STRING_STACK_LIMIT 120
+
namespace mbed {
RawSerial::RawSerial(PinName tx, PinName rx) : SerialBase(tx, rx) {
@@ -31,6 +34,34 @@
return _base_putc(c);
}
+int RawSerial::puts(const char *str) {
+ while (*str)
+ putc(*str ++);
+ return 0;
+}
+
+// Experimental support for printf in RawSerial. No Stream inheritance
+// means we can't call printf() directly, so we use sprintf() instead.
+// We only call malloc() for the sprintf() buffer if the buffer
+// length is above a certain threshold, otherwise we use just the stack.
+int RawSerial::printf(const char *format, ...) {
+ std::va_list arg;
+ va_start(arg, format);
+ int len = vsnprintf(NULL, 0, format, arg);
+ if (len < STRING_STACK_LIMIT) {
+ char temp[STRING_STACK_LIMIT];
+ vsprintf(temp, format, arg);
+ puts(temp);
+ } else {
+ char *temp = new char[len + 1];
+ vsprintf(temp, format, arg);
+ puts(temp);
+ delete[] temp;
+ }
+ va_end(arg);
+ return len;
+}
+
} // namespace mbed
#endif
