Diff: Print.h

Revision:

0:4f62090ee72f

diff -r 000000000000 -r 4f62090ee72f Print.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Print.h	Mon Jul 29 03:49:50 2019 +0000
@@ -0,0 +1,96 @@
+/*
+ Print.h - Base class that provides print() and println()
+ Copyright (c) 2008 David A. Mellis.  All right reserved.
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef Print_h
+#define Print_h
+
+#include <stdint.h>
+#include <string>
+#include <string.h>
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+
+class Print {
+    private:
+        int write_error;
+        size_t printNumber(unsigned long, uint8_t);
+        size_t printFloat(double, uint8_t);
+    protected:
+        inline void setWriteError(int err = 1) {
+            write_error = err;
+        }
+    public:
+        Print() :
+                write_error(0) {
+        }
+
+        int getWriteError() {
+            return write_error;
+        }
+        void clearWriteError() {
+            setWriteError(0);
+        }
+
+        virtual size_t write(uint8_t) = 0;
+        size_t write(const char *str) {
+            if(str == NULL)
+                return 0;
+        return write((const uint8_t *) str, strlen(str));
+        }
+        virtual size_t write(const uint8_t *buffer, size_t size);
+        size_t write(const char *buffer, size_t size) {
+            return write((const uint8_t *) buffer, size);
+        }
+        // These handle ambiguity for write(0) case, because (0) can be a pointer or an integer
+        inline size_t write(short t) { return write((uint8_t)t); }
+        inline size_t write(unsigned short t) { return write((uint8_t)t); }
+        inline size_t write(int t) { return write((uint8_t)t); }
+        inline size_t write(unsigned int t) { return write((uint8_t)t); }
+        inline size_t write(long t) { return write((uint8_t)t); }
+        inline size_t write(unsigned long t) { return write((uint8_t)t); }
+        // Enable write(char) to fall through to write(uint8_t)
+        inline size_t write(char c) { return write((uint8_t) c); }
+        inline size_t write(int8_t c) { return write((uint8_t) c); }
+
+        size_t printf(const char * format, ...)  __attribute__ ((format (printf, 2, 3)));
+        size_t print(const std::string &);
+        size_t print(const char[]);
+        size_t print(char);
+        size_t print(unsigned char, int = DEC);
+        size_t print(int, int = DEC);
+        size_t print(unsigned int, int = DEC);
+        size_t print(long, int = DEC);
+        size_t print(unsigned long, int = DEC);
+        size_t print(double, int = 2);
+
+        size_t println(const std::string &s);
+        size_t println(const char[]);
+        size_t println(char);
+        size_t println(unsigned char, int = DEC);
+        size_t println(int, int = DEC);
+        size_t println(unsigned int, int = DEC);
+        size_t println(long, int = DEC);
+        size_t println(unsigned long, int = DEC);
+        size_t println(double, int = 2);
+        size_t println(void);
+
+        virtual void flush() { /* Empty implementation for backward compatibility */ }
+};
+
+#endif
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