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Adding the Print class.

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This commit is contained in:
David A. Mellis 2008-04-18 18:46:52 +00:00
parent ab644804ac
commit 1a89112e45
2 changed files with 219 additions and 0 deletions
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162
hardware/cores/arduino/Print.cpp Executable file
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/*
Print.cpp - 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
Modified 23 November 2006 by David A. Mellis
*/
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "wiring.h"
#include "Print.h"
// Constructors ////////////////////////////////////////////////////////////////
Print::Print(void (*write)(uint8_t, void *)) {
this->write = write;
}
// Public Methods //////////////////////////////////////////////////////////////
void Print::print(uint8_t b)
{
write(b, this);
}
void Print::print(char c)
{
print((byte) c);
}
void Print::print(const char c[])
{
while (*c)
print(*c++);
}
void Print::print(int n)
{
print((long) n);
}
void Print::print(unsigned int n)
{
print((unsigned long) n);
}
void Print::print(long n)
{
if (n < 0) {
print('-');
n = -n;
}
printNumber(n, 10);
}
void Print::print(unsigned long n)
{
printNumber(n, 10);
}
void Print::print(long n, int base)
{
if (base == 0)
print((char) n);
else if (base == 10)
print(n);
else
printNumber(n, base);
}
void Print::println(void)
{
print('\r');
print('\n');
}
void Print::println(char c)
{
print(c);
println();
}
void Print::println(const char c[])
{
print(c);
println();
}
void Print::println(uint8_t b)
{
print(b);
println();
}
void Print::println(int n)
{
print(n);
println();
}
void Print::println(unsigned int n)
{
print(n);
println();
}
void Print::println(long n)
{
print(n);
println();
}
void Print::println(unsigned long n)
{
print(n);
println();
}
void Print::println(long n, int base)
{
print(n, base);
println();
}
// Private Methods /////////////////////////////////////////////////////////////
void Print::printNumber(unsigned long n, uint8_t base)
{
unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars.
unsigned long i = 0;
if (n == 0) {
print('0');
return;
}
while (n > 0) {
buf[i++] = n % base;
n /= base;
}
for (; i > 0; i--)
print((char) (buf[i - 1] < 10 ?
'0' + buf[i - 1] :
'A' + buf[i - 1] - 10));
}

57
hardware/cores/arduino/Print.h Executable file
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/*
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 <inttypes.h>
#define DEC 10
#define HEX 16
#define OCT 8
#define BIN 2
#define BYTE 0
class Print
{
private:
void printNumber(unsigned long, uint8_t);
void (*write)(uint8_t, void *);
public:
Print(void (*)(uint8_t, void *));
void print(char);
void print(const char[]);
void print(uint8_t);
void print(int);
void print(unsigned int);
void print(long);
void print(unsigned long);
void print(long, int);
void println(void);
void println(char);
void println(const char[]);
void println(uint8_t);
void println(int);
void println(unsigned int);
void println(long);
void println(unsigned long);
void println(long, int);
};
#endif