Jenny Plunkett / Mbed OS LPCXpresso54608-Touch-Cursor-Example

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utilities/stdio_thread.cpp@0:c107a6f8c368, 2018-04-11 (annotated)

Committer:
jplunkett
Date:
Wed Apr 11 20:46:55 2018 +0000
Revision:
0:c107a6f8c368
Init

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jplunkett 0:c107a6f8c368 1 #include <stdarg.h>
jplunkett 0:c107a6f8c368 2 #include <stdio.h>
jplunkett 0:c107a6f8c368 3 #include "mbed.h"
jplunkett 0:c107a6f8c368 4
jplunkett 0:c107a6f8c368 5 #include "stdio_thread.h"
jplunkett 0:c107a6f8c368 6
jplunkett 0:c107a6f8c368 7 Mutex printf_mutex;
jplunkett 0:c107a6f8c368 8
jplunkett 0:c107a6f8c368 9 int safe_printf(const char *format, ...) {
jplunkett 0:c107a6f8c368 10
jplunkett 0:c107a6f8c368 11 printf_mutex.lock();
jplunkett 0:c107a6f8c368 12
jplunkett 0:c107a6f8c368 13 va_list args;
jplunkett 0:c107a6f8c368 14 va_start(args, format);
jplunkett 0:c107a6f8c368 15 int num_bytes = vprintf(format, args);
jplunkett 0:c107a6f8c368 16
jplunkett 0:c107a6f8c368 17 va_end(args);
jplunkett 0:c107a6f8c368 18 printf_mutex.unlock();
jplunkett 0:c107a6f8c368 19
jplunkett 0:c107a6f8c368 20 return num_bytes;
jplunkett 0:c107a6f8c368 21 }