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* Add Config * Add Cache and remove pre-commit action * [pre-commit.ci lite] apply automatic fixes * Remove freeze * Fix * Update action * Use latest stable Python 3 version * Improve caching * Improve cache tag * Improve bot message * fix(typos): Fix typos * fix(typos): Fix more typos * refactor(udp_server): Convert script from Python 2 to 3 * Fix whitespace * Clang-format fixes * Prettier fixes * Black formatting * Manual fixes * Line endings * Fix flake and make Vale manual * Fix flake and reformat --------- Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>
346 lines
7.3 KiB
C++
346 lines
7.3 KiB
C++
/*
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Print.cpp - Base class that provides print() and println()
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Copyright (c) 2008 David A. Mellis. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Modified 23 November 2006 by David A. Mellis
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Modified December 2014 by Ivan Grokhotkov
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Modified May 2015 by Michael C. Miller - ESP31B progmem support
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include "Arduino.h"
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#include "Print.h"
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extern "C" {
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#include "time.h"
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}
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// Public Methods //////////////////////////////////////////////////////////////
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/* default implementation: may be overridden */
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size_t Print::write(const uint8_t *buffer, size_t size) {
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size_t n = 0;
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while (size--) {
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n += write(*buffer++);
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}
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return n;
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}
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size_t Print::vprintf(const char *format, va_list arg) {
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char loc_buf[64];
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char *temp = loc_buf;
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va_list copy;
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va_copy(copy, arg);
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int len = vsnprintf(temp, sizeof(loc_buf), format, copy);
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va_end(copy);
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if (len < 0) {
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va_end(arg);
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return 0;
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}
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if (len >= (int)sizeof(loc_buf)) { // comparison of same sign type for the compiler
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temp = (char *)malloc(len + 1);
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if (temp == NULL) {
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va_end(arg);
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return 0;
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}
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len = vsnprintf(temp, len + 1, format, arg);
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}
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va_end(arg);
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len = write((uint8_t *)temp, len);
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if (temp != loc_buf) {
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free(temp);
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}
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return len;
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}
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size_t Print::printf(const __FlashStringHelper *ifsh, ...) {
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va_list arg;
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va_start(arg, ifsh);
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const char *format = (reinterpret_cast<const char *>(ifsh));
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size_t ret = vprintf(format, arg);
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va_end(arg);
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return ret;
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}
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size_t Print::printf(const char *format, ...) {
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va_list arg;
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va_start(arg, format);
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size_t ret = vprintf(format, arg);
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va_end(arg);
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return ret;
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}
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size_t Print::print(const String &s) {
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return write(s.c_str(), s.length());
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}
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size_t Print::print(const char str[]) {
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return write(str);
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}
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size_t Print::print(char c) {
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return write(c);
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}
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size_t Print::print(unsigned char b, int base) {
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return print((unsigned long)b, base);
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}
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size_t Print::print(int n, int base) {
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return print((long)n, base);
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}
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size_t Print::print(unsigned int n, int base) {
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return print((unsigned long)n, base);
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}
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size_t Print::print(long n, int base) {
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int t = 0;
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if (base == 10 && n < 0) {
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t = print('-');
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n = -n;
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}
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return printNumber(static_cast<unsigned long>(n), base) + t;
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}
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size_t Print::print(unsigned long n, int base) {
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if (base == 0) {
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return write(n);
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} else {
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return printNumber(n, base);
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}
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}
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size_t Print::print(long long n, int base) {
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int t = 0;
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if (base == 10 && n < 0) {
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t = print('-');
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n = -n;
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}
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return printNumber(static_cast<unsigned long long>(n), base) + t;
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}
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size_t Print::print(unsigned long long n, int base) {
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if (base == 0) {
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return write(n);
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} else {
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return printNumber(n, base);
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}
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}
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size_t Print::print(double n, int digits) {
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return printFloat(n, digits);
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}
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size_t Print::print(const Printable &x) {
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return x.printTo(*this);
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}
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size_t Print::print(struct tm *timeinfo, const char *format) {
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const char *f = format;
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if (!f) {
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f = "%c";
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}
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char buf[64];
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size_t written = strftime(buf, 64, f, timeinfo);
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if (written == 0) {
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return written;
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}
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return print(buf);
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}
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size_t Print::println(void) {
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return print("\r\n");
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}
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size_t Print::println(const String &s) {
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size_t n = print(s);
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n += println();
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return n;
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}
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size_t Print::println(const char c[]) {
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size_t n = print(c);
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n += println();
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return n;
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}
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size_t Print::println(char c) {
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size_t n = print(c);
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n += println();
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return n;
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}
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size_t Print::println(unsigned char b, int base) {
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size_t n = print(b, base);
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n += println();
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return n;
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}
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size_t Print::println(int num, int base) {
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size_t n = print(num, base);
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n += println();
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return n;
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}
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size_t Print::println(unsigned int num, int base) {
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size_t n = print(num, base);
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n += println();
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return n;
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}
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size_t Print::println(long num, int base) {
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size_t n = print(num, base);
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n += println();
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return n;
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}
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size_t Print::println(unsigned long num, int base) {
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size_t n = print(num, base);
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n += println();
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return n;
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}
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size_t Print::println(long long num, int base) {
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size_t n = print(num, base);
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n += println();
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return n;
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}
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size_t Print::println(unsigned long long num, int base) {
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size_t n = print(num, base);
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n += println();
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return n;
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}
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size_t Print::println(double num, int digits) {
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size_t n = print(num, digits);
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n += println();
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return n;
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}
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size_t Print::println(const Printable &x) {
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size_t n = print(x);
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n += println();
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return n;
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}
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size_t Print::println(struct tm *timeinfo, const char *format) {
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size_t n = print(timeinfo, format);
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n += println();
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return n;
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}
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// Private Methods /////////////////////////////////////////////////////////////
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size_t Print::printNumber(unsigned long n, uint8_t base) {
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char buf[8 * sizeof(n) + 1]; // Assumes 8-bit chars plus zero byte.
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char *str = &buf[sizeof(buf) - 1];
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*str = '\0';
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// prevent crash if called with base == 1
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if (base < 2) {
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base = 10;
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}
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do {
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char c = n % base;
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n /= base;
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*--str = c < 10 ? c + '0' : c + 'A' - 10;
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} while (n);
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return write(str);
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}
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size_t Print::printNumber(unsigned long long n, uint8_t base) {
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char buf[8 * sizeof(n) + 1]; // Assumes 8-bit chars plus zero byte.
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char *str = &buf[sizeof(buf) - 1];
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*str = '\0';
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// prevent crash if called with base == 1
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if (base < 2) {
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base = 10;
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}
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do {
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auto m = n;
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n /= base;
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char c = m - base * n;
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*--str = c < 10 ? c + '0' : c + 'A' - 10;
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} while (n);
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return write(str);
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}
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size_t Print::printFloat(double number, uint8_t digits) {
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size_t n = 0;
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if (isnan(number)) {
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return print("nan");
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}
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if (isinf(number)) {
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return print("inf");
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}
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if (number > 4294967040.0) {
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return print("ovf"); // constant determined empirically
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}
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if (number < -4294967040.0) {
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return print("ovf"); // constant determined empirically
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}
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// Handle negative numbers
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if (number < 0.0) {
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n += print('-');
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number = -number;
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}
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// Round correctly so that print(1.999, 2) prints as "2.00"
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double rounding = 0.5;
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for (uint8_t i = 0; i < digits; ++i) {
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rounding /= 10.0;
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}
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number += rounding;
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// Extract the integer part of the number and print it
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unsigned long int_part = (unsigned long)number;
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double remainder = number - (double)int_part;
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n += print(int_part);
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// Print the decimal point, but only if there are digits beyond
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if (digits > 0) {
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n += print(".");
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}
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// Extract digits from the remainder one at a time
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while (digits-- > 0) {
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remainder *= 10.0;
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int toPrint = int(remainder);
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n += print(toPrint);
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remainder -= toPrint;
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}
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return n;
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}
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