Pico-Arduino
Print.h
1 /*
2  Copyright (c) 2016 Arduino LLC. All right reserved.
3 
4  This library is free software; you can redistribute it and/or
5  modify it under the terms of the GNU Lesser General Public
6  License as published by the Free Software Foundation; either
7  version 2.1 of the License, or (at your option) any later version.
8 
9  This library is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12  See the GNU Lesser General Public License for more details.
13 
14  You should have received a copy of the GNU Lesser General Public
15  License along with this library; if not, write to the Free Software
16  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 
19 #pragma once
20 
21 #include <inttypes.h>
22 #include <stdio.h> // for size_t
23 
24 #include "WString.h"
25 #include "Printable.h"
26 
27 #define DEC 10
28 #define HEX 16
29 #define OCT 8
30 #define BIN 2
31 
32 namespace arduino {
33 
34 class Print
35 {
36  private:
37  int write_error;
38  size_t printNumber(unsigned long, uint8_t);
39  size_t printULLNumber(unsigned long long, uint8_t);
40  size_t printFloat(double, int);
41  protected:
42  void setWriteError(int err = 1) { write_error = err; }
43  public:
44  Print() : write_error(0) {}
45 
46  int getWriteError() { return write_error; }
47  void clearWriteError() { setWriteError(0); }
48 
49  virtual size_t write(uint8_t) = 0;
50  size_t write(const char *str) {
51  if (str == NULL) return 0;
52  return write((const uint8_t *)str, ::strlen(str));
53  }
54  virtual size_t write(const uint8_t *buffer, size_t size);
55  size_t write(const char *buffer, size_t size) {
56  return write((const uint8_t *)buffer, size);
57  }
58 
59  // default to zero, meaning "a single write may block"
60  // should be overriden by subclasses with buffering
61  virtual int availableForWrite() { return 0; }
62 
63  size_t print(const __FlashStringHelper *);
64  size_t print(const String &);
65  size_t print(const char[]);
66  size_t print(char);
67  size_t print(unsigned char, int = DEC);
68  size_t print(int, int = DEC);
69  size_t print(unsigned int, int = DEC);
70  size_t print(long, int = DEC);
71  size_t print(unsigned long, int = DEC);
72  size_t print(long long, int = DEC);
73  size_t print(unsigned long long, int = DEC);
74  size_t print(double, int = 2);
75  size_t print(const Printable&);
76 
77  size_t println(const __FlashStringHelper *);
78  size_t println(const String &s);
79  size_t println(const char[]);
80  size_t println(char);
81  size_t println(unsigned char, int = DEC);
82  size_t println(int, int = DEC);
83  size_t println(unsigned int, int = DEC);
84  size_t println(long, int = DEC);
85  size_t println(unsigned long, int = DEC);
86  size_t println(long long, int = DEC);
87  size_t println(unsigned long long, int = DEC);
88  size_t println(double, int = 2);
89  size_t println(const Printable&);
90  size_t println(void);
91 
92  virtual void flush() { /* Empty implementation for backward compatibility */ }
93 };
94 
95 }
96 using namespace arduino;
Definition: Print.h:35
Definition: Printable.h:34