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authorCristian Maglie <c.maglie@bug.st>2013-06-01 23:16:02 +0200
committerCristian Maglie <c.maglie@bug.st>2013-06-01 23:16:02 +0200
commit177ad96f866714a4962be57f69cd3d5a6334cde1 (patch)
tree1072239986340d6a239adac924eddf2e1d1ca566 /libraries/Robot_Control/Fat16util.h
parent6cff36ac5e85c74bcb45cc53491ad69d64520b36 (diff)
parentd90fcca5839d13d57ed527d4009b78d22dafbde7 (diff)
Merge branch 'merge-1.0.5' into ide-1.5.x-discovery
Diffstat (limited to 'libraries/Robot_Control/Fat16util.h')
-rw-r--r--libraries/Robot_Control/Fat16util.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/libraries/Robot_Control/Fat16util.h b/libraries/Robot_Control/Fat16util.h
new file mode 100644
index 0000000..1fea068
--- /dev/null
+++ b/libraries/Robot_Control/Fat16util.h
@@ -0,0 +1,74 @@
+#ifndef Fat16util_h
+#define Fat16util_h
+/* Arduino FAT16 Library
+ * Copyright (C) 2008 by William Greiman
+ *
+ * This file is part of the Arduino FAT16 Library
+ *
+ * This Library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This Library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with the Arduino Fat16 Library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+/**
+ * \file
+ * Useful utility functions.
+ */
+#if ARDUINO < 100
+#include <WProgram.h>
+#else // ARDUINO
+#include <Arduino.h>
+#endif // ARDUINO
+#include <avr/pgmspace.h>
+/** Store and print a string in flash memory.*/
+#define PgmPrint(x) SerialPrint_P(PSTR(x))
+/** Store and print a string in flash memory followed by a CR/LF.*/
+#define PgmPrintln(x) SerialPrintln_P(PSTR(x))
+/** Defined so doxygen works for function definitions. */
+#define NOINLINE __attribute__((noinline))
+//------------------------------------------------------------------------------
+/** Return the number of bytes currently free in RAM. */
+static int FreeRam(void) {
+ extern int __bss_end;
+ extern int* __brkval;
+ int free_memory;
+ if (reinterpret_cast<int>(__brkval) == 0) {
+ // if no heap use from end of bss section
+ free_memory = reinterpret_cast<int>(&free_memory)
+ - reinterpret_cast<int>(&__bss_end);
+ } else {
+ // use from top of stack to heap
+ free_memory = reinterpret_cast<int>(&free_memory)
+ - reinterpret_cast<int>(__brkval);
+ }
+ return free_memory;
+}
+//------------------------------------------------------------------------------
+/**
+ * %Print a string in flash memory to the serial port.
+ *
+ * \param[in] str Pointer to string stored in flash memory.
+ */
+static NOINLINE void SerialPrint_P(PGM_P str) {
+ for (uint8_t c; (c = pgm_read_byte(str)); str++) Serial.write(c);
+}
+//------------------------------------------------------------------------------
+/**
+ * %Print a string in flash memory followed by a CR/LF.
+ *
+ * \param[in] str Pointer to string stored in flash memory.
+ */
+static NOINLINE void SerialPrintln_P(PGM_P str) {
+ SerialPrint_P(str);
+ Serial.println();
+}
+#endif // #define Fat16util_h