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Print.h
00001 /* 00002 Print.h - Base class that provides print() and println() 00003 Copyright (c) 2008 David A. Mellis. All right reserved. 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public 00016 License along with this library; if not, write to the Free Software 00017 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00018 */ 00019 00020 #ifndef __PRINT_H__ 00021 #define __PRINT_H__ 00022 00023 #include <inttypes.h> 00024 #include <stdio.h> // for size_t 00025 00026 #include "WString.h" 00027 00028 00029 #define DEC 10 00030 #define HEX 16 00031 #define OCT 8 00032 #define BIN 2 00033 00034 class Print 00035 { 00036 private: 00037 int write_error; 00038 size_t printNumber(unsigned long, uint8_t); 00039 size_t printFloat(double, uint8_t); 00040 protected: 00041 void setWriteError(int err = 1) { write_error = err; } 00042 public: 00043 Print() : write_error(0) {} 00044 00045 int getWriteError() { return write_error; } 00046 void clearWriteError() { setWriteError(0); } 00047 00048 virtual size_t write(uint8_t) = 0; 00049 size_t write(const char *str) { 00050 if (str == NULL) return 0; 00051 return write((const uint8_t *)str, strlen(str)); 00052 } 00053 virtual size_t write(const uint8_t *buffer, size_t size); 00054 00055 size_t print(const String &); 00056 size_t print(const char[]); 00057 size_t print(char); 00058 size_t print(unsigned char, int = DEC); 00059 size_t print(int, int = DEC); 00060 size_t print(unsigned int, int = DEC); 00061 size_t print(long, int = DEC); 00062 size_t print(unsigned long, int = DEC); 00063 size_t print(double, int = 2); 00064 00065 size_t println(const String &s); 00066 size_t println(const char[]); 00067 size_t println(char); 00068 size_t println(unsigned char, int = DEC); 00069 size_t println(int, int = DEC); 00070 size_t println(unsigned int, int = DEC); 00071 size_t println(long, int = DEC); 00072 size_t println(unsigned long, int = DEC); 00073 size_t println(double, int = 2); 00074 size_t println(void); 00075 }; 00076 00077 #endif /* #ifndef __PRINT_H__ */
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