mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-11-24 04:29:34 +00:00
360 lines
7.7 KiB
C++
360 lines
7.7 KiB
C++
/*
|
|
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
|
|
Modified 03 August 2015 by Chuck Todd
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <inttypes.h>
|
|
#include "Print.h"
|
|
#include <stdarg.h>
|
|
|
|
#define PrintfEnable 1
|
|
typedef signed short sint16_t;
|
|
typedef signed long sint32_t;
|
|
|
|
// Public Methods //////////////////////////////////////////////////////////////
|
|
|
|
/* default implementation: may be overridden */
|
|
size_t Print::write(const uint8_t *buffer, size_t size)
|
|
{
|
|
|
|
size_t n = 0;
|
|
while (size--) {
|
|
if (write(*buffer++)) n++;
|
|
else break;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
|
|
size_t Print::print(const char str[])
|
|
{
|
|
|
|
//while(1);
|
|
return write(str);
|
|
}
|
|
|
|
size_t Print::print(char c)
|
|
{
|
|
return write(c);
|
|
}
|
|
|
|
size_t Print::print(unsigned char b, int base)
|
|
{
|
|
return print((unsigned long) b, base);
|
|
}
|
|
|
|
size_t Print::print(int n, int base)
|
|
{
|
|
return print((long) n, base);
|
|
}
|
|
|
|
size_t Print::print(unsigned int n, int base)
|
|
{
|
|
return print((unsigned long) n, base);
|
|
}
|
|
|
|
size_t Print::print(long n, int base)
|
|
{
|
|
if (base == 0) {
|
|
return write(n);
|
|
} else if (base == 10) {
|
|
if (n < 0) {
|
|
int t = print('-');
|
|
n = -n;
|
|
return printNumber(n, 10) + t;
|
|
}
|
|
return printNumber(n, 10);
|
|
} else {
|
|
return printNumber(n, base);
|
|
}
|
|
}
|
|
|
|
size_t Print::print(unsigned long n, int base)
|
|
{
|
|
if (base == 0) return write(n);
|
|
else return printNumber(n, base);
|
|
}
|
|
|
|
size_t Print::print(double n, int digits)
|
|
{
|
|
return printFloat(n, digits);
|
|
}
|
|
|
|
size_t Print::print(const Printable& x)
|
|
{
|
|
return x.printTo(*this);
|
|
}
|
|
|
|
size_t Print::println(void)
|
|
{
|
|
return write("\r\n");
|
|
}
|
|
|
|
size_t Print::println(const char c[])
|
|
{
|
|
size_t n = print(c);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(char c)
|
|
{
|
|
size_t n = print(c);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(unsigned char b, int base)
|
|
{
|
|
size_t n = print(b, base);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(int num, int base)
|
|
{
|
|
size_t n = print(num, base);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(unsigned int num, int base)
|
|
{
|
|
size_t n = print(num, base);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(long num, int base)
|
|
{
|
|
size_t n = print(num, base);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(unsigned long num, int base)
|
|
{
|
|
size_t n = print(num, base);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(double num, int digits)
|
|
{
|
|
size_t n = print(num, digits);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
size_t Print::println(const Printable& x)
|
|
{
|
|
size_t n = print(x);
|
|
n += println();
|
|
return n;
|
|
}
|
|
|
|
// Private Methods /////////////////////////////////////////////////////////////
|
|
|
|
size_t Print::printNumber(unsigned long n, uint8_t base) {
|
|
char buf[8 * sizeof(long) + 1]; // Assumes 8-bit chars plus zero byte.
|
|
char *str = &buf[sizeof(buf) - 1];
|
|
|
|
*str = '\0';
|
|
|
|
// prevent crash if called with base == 1
|
|
if (base < 2) base = 10;
|
|
|
|
do {
|
|
unsigned long m = n;
|
|
n /= base;
|
|
char c = m - base * n;
|
|
*--str = c < 10 ? c + '0' : c + 'A' - 10;
|
|
} while(n);
|
|
|
|
return write(str);
|
|
}
|
|
|
|
size_t Print::printFloat(double number, uint8_t digits)
|
|
{
|
|
size_t n = 0;
|
|
|
|
if (isnan(number)) return print("nan");
|
|
if (isinf(number)) return print("inf");
|
|
if (number > 4294967040.0) return print ("ovf"); // constant determined empirically
|
|
if (number <-4294967040.0) return print ("ovf"); // constant determined empirically
|
|
|
|
// Handle negative numbers
|
|
if (number < 0.0)
|
|
{
|
|
n += print('-');
|
|
number = -number;
|
|
}
|
|
|
|
// Round correctly so that print(1.999, 2) prints as "2.00"
|
|
double rounding = 0.5;
|
|
for (uint8_t i=0; i<digits; ++i)
|
|
rounding /= 10.0;
|
|
|
|
number += rounding;
|
|
|
|
// Extract the integer part of the number and print it
|
|
unsigned long int_part = (unsigned long)number;
|
|
double remainder = number - (double)int_part;
|
|
n += print(int_part);
|
|
|
|
// Print the decimal point, but only if there are digits beyond
|
|
if (digits > 0) {
|
|
n += print(".");
|
|
}
|
|
|
|
// Extract digits from the remainder one at a time
|
|
while (digits-- > 0)
|
|
{
|
|
remainder *= 10.0;
|
|
int toPrint = int(remainder);
|
|
n += print(toPrint);
|
|
remainder -= toPrint;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
|
|
#if (PrintfEnable == 1)
|
|
size_t Print::printf(const char *argList, ...)
|
|
{
|
|
const char *ptr;
|
|
double floatNum_f32;
|
|
va_list argp;
|
|
sint16_t num_s16;
|
|
sint32_t num_s32;
|
|
uint16_t num_u16;
|
|
uint32_t num_u32;
|
|
char *str;
|
|
char ch;
|
|
uint8_t numOfDigits;
|
|
|
|
va_start(argp, argList);
|
|
|
|
/* Loop through the list to extract all the input arguments */
|
|
for(ptr = argList; *ptr != '\0'; ptr++)
|
|
{
|
|
|
|
ch= *ptr;
|
|
if(ch == '%') /*Check for '%' as there will be format specifier after it */
|
|
{
|
|
ptr++;
|
|
ch = *ptr;
|
|
if((ch>=0x30) && (ch<=0x39))
|
|
{
|
|
numOfDigits = 0;
|
|
while((ch>=0x30) && (ch<=0x39))
|
|
{
|
|
numOfDigits = (numOfDigits * 10) + (ch-0x30);
|
|
ptr++;
|
|
ch = *ptr;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
numOfDigits = 0xff;
|
|
}
|
|
|
|
|
|
switch(ch) /* Decode the type of the argument */
|
|
{
|
|
|
|
case 'C':
|
|
case 'c': /* Argument type is of char, hence read char data from the argp */
|
|
ch = va_arg(argp, int);
|
|
print(ch);
|
|
break;
|
|
|
|
|
|
|
|
case 'd': /* Argument type is of signed integer, hence read 16bit data from the argp */
|
|
case 'D':
|
|
num_s32 = va_arg(argp, int);
|
|
print(num_s32, 10);
|
|
break;
|
|
|
|
|
|
case 'u':
|
|
case 'U': /* Argument type is of integer, hence read 32bit unsigend data */
|
|
num_u32 = va_arg(argp, uint32_t);
|
|
print(num_u32, 10);
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'x':
|
|
case 'X': /* Argument type is of hex, hence hexadecimal data from the argp */
|
|
num_u32 = va_arg(argp, uint32_t);
|
|
print(num_u32, 16);
|
|
break;
|
|
|
|
|
|
case 'b':
|
|
case 'B': /* Argument type is of binary,Read int and convert to binary */
|
|
num_u32 = va_arg(argp, uint32_t);
|
|
print(num_u32, 2);
|
|
break;
|
|
|
|
|
|
|
|
case 'F':
|
|
case 'f': /* Argument type is of float, hence read double data from the argp */
|
|
floatNum_f32 = va_arg(argp, double);
|
|
printFloat(floatNum_f32,10);
|
|
break;
|
|
|
|
|
|
|
|
case 'S':
|
|
case 's': /* Argument type is of string, hence get the pointer to sting passed */
|
|
str = va_arg(argp, char *);
|
|
print(str);
|
|
break;
|
|
|
|
|
|
|
|
case '%':
|
|
print('%');
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* As '%' is not detected transmit the char passed */
|
|
print(ch);
|
|
}
|
|
}
|
|
|
|
va_end(argp);
|
|
}
|
|
|
|
|
|
#endif
|