li lei / mbed-stm32l0l1-src

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Fork of mbed-stm32l0l1-src-1 by lzbp li

Diff: common/RawSerial.cpp

Revision:
299:fb529cc9bc22
Parent:
64:7b352733b00a
Child:
321:39f2bc1d0627
--- a/common/RawSerial.cpp	Wed Aug 27 03:45:07 2014 +0100
+++ b/common/RawSerial.cpp	Wed Aug 27 04:00:07 2014 +0100
@@ -47,6 +47,13 @@
 int RawSerial::printf(const char *format, ...) {
     std::va_list arg;
     va_start(arg, format);
+#if defined(__MICROLIB) && defined(__ARMCC_VERSION) // with microlib and ARM compiler
+    char *temp;
+    temp = (char*)alloca(STRING_STACK_LIMIT);
+    vsprintf(temp, format, arg);
+    puts(temp);
+    int len = strlen(temp);
+#else
     int len = vsnprintf(NULL, 0, format, arg);
     if (len < STRING_STACK_LIMIT) {
         char temp[STRING_STACK_LIMIT];
@@ -58,6 +65,7 @@
         puts(temp);
         delete[] temp;
     }
+#endif
     va_end(arg);
     return len;
 }