Include .h instead of .cpp when possible

* Move implementation code from Arduino.h

drivers/Linux/utility.cpp

@@ -0,0 +1,177 @@
+#include <stdio.h>
+#include "Arduino.h"
+
+/**
+* C++ version 0.4 char* style "itoa":
+* Written by Lukás Chmela
+* Released under GPLv3.
+*/
+char *itoa(int value, char* result, int base) {
+	// check that the base if valid
+	if (base < 2 || base > 36) { *result = '\0'; return result; }
+	
+	char* ptr = result, *ptr1 = result, tmp_char;
+	int tmp_value;
+	
+	do {
+		tmp_value = value;
+		value /= base;
+		*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
+	} while ( value );
+	
+	// Apply negative sign
+	// Apply negative sign
+	if (tmp_value < 0) *ptr++ = '-';
+	*ptr-- = '\0';
+	while(ptr1 < ptr) {
+		tmp_char = *ptr;
+		*ptr--= *ptr1;
+		*ptr1++ = tmp_char;
+	}
+	return result;
+}
+
+/**
+ * C++ version 0.4 char* style "itoa":
+ * Written by Lukás Chmela
+ * Released under GPLv3.
+ */
+char *ltoa(long value, char* result, int base) {
+	// check that the base if valid
+	if (base < 2 || base > 36) { *result = '\0'; return result; }
+
+	char* ptr = result, *ptr1 = result, tmp_char;
+	long tmp_value;
+
+	do {
+		tmp_value = value;
+		value /= base;
+		*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
+	} while ( value );
+
+	// Apply negative sign
+	if (tmp_value < 0) *ptr++ = '-';
+	*ptr-- = '\0';
+	while(ptr1 < ptr) {
+		tmp_char = *ptr;
+		*ptr--= *ptr1;
+		*ptr1++ = tmp_char;
+	}
+	return result;
+}
+
+char *ultoa(long num, char *str, int radix)
+{
+	unsigned long value;
+	char *sp = str;
+	char *sp2;
+
+	value = num;
+
+	/* Store sign at start of buffer for negative base-10 values */
+	if (10 == radix && 0 > num) {
+		*sp++ = '-';
+		value = -num;
+	}
+
+	sp2 = sp;
+
+	do {
+		char rem = value % radix;
+		value /= radix;
+		if (10 > rem) {
+			*sp++ = '0' + rem;
+		} else {
+			*sp++ = 'A' + rem - 10;
+		}
+	} while (0 < value);
+
+	/* Mark end of string */
+	*sp-- = 0;
+
+	/* Reverse string contents (excluding sign) in place */
+	while (sp2 < sp) {
+		char tmp = *sp2;
+		*sp2++ = *sp;
+		*sp-- = tmp;
+	}
+
+	return str;
+}
+
+/**
+ * Copyright (c) 2012, Peter A. Bigot <bigotp@acm.org>
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * * Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * 
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * 
+ * * Neither the name of the software nor the names of its contributors may be
+ *   used to endorse or promote products derived from this software without
+ *   specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+char *utoa(int num, char *str, int radix)
+{
+	unsigned int value;
+	char *sp = str;
+	char *sp2;
+
+	value = num;
+
+	/* Store sign at start of buffer for negative base-10 values */
+	if (10 == radix && 0 > num) {
+		*sp++ = '-';
+		value = -num;
+	}
+
+	sp2 = sp;
+
+	do {
+		char rem = value % radix;
+		value /= radix;
+		if (10 > rem) {
+			*sp++ = '0' + rem;
+		} else {
+			*sp++ = 'A' + rem - 10;
+		}
+	} while (0 < value);
+
+	/* Mark end of string */
+	*sp-- = 0;
+
+	/* Reverse string contents (excluding sign) in place */
+	while (sp2 < sp) {
+		char tmp = *sp2;
+		*sp2++ = *sp;
+		*sp-- = tmp;
+	}
+
+	return str;
+}
+
+char *dtostrf(float f, int width, int decimals, char *result)
+{
+	sprintf(result,"%*.*f", width, decimals, f);
+	return result;
+}