Dai Yokota
Using std::ostream with TextLCD
Dependencies: ACM1602NI TextLCD
Dependents: TextLCD_ostream_sample
This is class library inherited std::ostream for TextLCD
Because a large amount of memory is needed, do not work in low memory MPU
Sample program is here. And notebook page is here (sorry notebook page is only in Japanese)
Diff: microlib_streamfix.cpp
- Revision:
- 6:2494d76a38b0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/microlib_streamfix.cpp Sat Jul 30 06:59:22 2016 +0000
@@ -0,0 +1,27 @@
+// Dummy functions to avoid compile error.
+// In fact, malfunctions Once these functions are called.
+#include "mbed.h"
+
+#ifdef __MICROLIB /*__CC_ARM*/
+/// To suppress MDK-ARM Linker Error: L6218E: Undefined symbol __fread_bytes_avail (referred from ios.o).
+size_t std::__fread_bytes_avail(void * __restrict ptr,
+ size_t count, FILE * __restrict stream) //__attribute__((__nonnull__(1,3)))
+{
+ return 1;
+}
+
+
+#include <wchar.h>
+/// To suppress MDK-ARM Linker Error: L6218E: Undefined symbol mbsinit (referred from ios.o).
+int std::mbsinit(const mbstate_t * ps)
+{
+ return -1;
+}
+
+/// To suppress MDK-ARM Linker Error: L6218E: Undefined symbol mbsinit (referred from ios.o).
+wchar_t *std::wmemmove(wchar_t * __restrict s1,
+ const wchar_t * __restrict s2, size_t n) //__attribute__((__nonnull__(1,2)))
+{
+ return NULL;
+}
+#endif /*__MICROLIB*/ /*__CC_ARM*/