mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-27 18:16:13 +01:00
259 lines
7.5 KiB
C++
259 lines
7.5 KiB
C++
/*
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* © 2020, Chris Harlow. All rights reserved.
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*
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* This file is part of Asbelos DCC API
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "StringFormatter.h"
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#include <stdarg.h>
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#include "DisplayInterface.h"
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#include "CommandDistributor.h"
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bool Diag::ACK=false;
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bool Diag::CMD=false;
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bool Diag::WIFI=false;
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bool Diag::WITHROTTLE=false;
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bool Diag::ETHERNET=false;
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bool Diag::LCN=false;
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void StringFormatter::diag( const FSH* input...) {
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USB_SERIAL.print(F("<* "));
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va_list args;
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va_start(args, input);
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send2(&USB_SERIAL,input,args);
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USB_SERIAL.print(F(" *>\n"));
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}
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void StringFormatter::lcd(byte row, const FSH* input...) {
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va_list args;
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#ifndef DISABLE_VDPY
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Print * virtualLCD=CommandDistributor::getVirtualLCDSerial(0,row);
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#else
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Print * virtualLCD=NULL;
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#endif
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// Issue the LCD as a diag first
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// Unless the same serial is asking for the virtual @ respomnse
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if (virtualLCD!=&USB_SERIAL) {
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send(&USB_SERIAL,F("<* LCD%d:"),row);
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va_start(args, input);
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send2(&USB_SERIAL,input,args);
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send(&USB_SERIAL,F(" *>\n"));
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}
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#ifndef DISABLE_VDPY
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// send to virtual LCD collector (if any)
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if (virtualLCD) {
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va_start(args, input);
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send2(virtualLCD,input,args);
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CommandDistributor::commitVirtualLCDSerial();
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}
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#endif
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DisplayInterface::setRow(row);
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va_start(args, input);
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send2(DisplayInterface::getDisplayHandler(),input,args);
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}
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void StringFormatter::lcd2(uint8_t display, byte row, const FSH* input...) {
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va_list args;
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// send to virtual LCD collector (if any)
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#ifndef DISABLE_VDPY
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Print * virtualLCD=CommandDistributor::getVirtualLCDSerial(display,row);
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if (virtualLCD) {
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va_start(args, input);
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send2(virtualLCD,input,args);
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CommandDistributor::commitVirtualLCDSerial();
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}
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#endif
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DisplayInterface::setRow(display, row);
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va_start(args, input);
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send2(DisplayInterface::getDisplayHandler(),input,args);
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}
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void StringFormatter::send(Print * stream, const FSH* input...) {
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va_list args;
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va_start(args, input);
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send2(stream,input,args);
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}
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void StringFormatter::send(Print & stream, const FSH* input...) {
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va_list args;
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va_start(args, input);
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send2(&stream,input,args);
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}
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void StringFormatter::send2(Print * stream,const FSH* format, va_list args) {
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// thanks to Jan Turoň https://arduino.stackexchange.com/questions/56517/formatting-strings-in-arduino-for-output
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char* flash=(char*)format;
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for(int i=0; ; ++i) {
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char c=GETFLASH(flash+i);
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if (c=='\0') break; // to va_end()
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if(c!='%') { stream->print(c); continue; }
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bool formatContinues=false;
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byte formatWidth=0;
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bool formatLeft=false;
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do {
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formatContinues=false;
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i++;
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c=GETFLASH(flash+i);
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switch(c) {
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case '%': stream->print('%'); break;
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case 'c': stream->print((char) va_arg(args, int)); break;
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case 's': stream->print(va_arg(args, char*)); break;
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case 'e': printEscapes(stream,va_arg(args, char*)); break;
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case 'E': printEscapes(stream,(const FSH*)va_arg(args, char*)); break;
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case 'S':
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{
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const FSH* flash= (const FSH*)va_arg(args, char*);
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#if WIFI_ON | ETHERNET_ON
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// RingStream has special logic to handle flash strings
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// but is not implemented unless wifi or ethernet are enabled.
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// The define prevents RingStream code being added unnecessariliy.
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if (stream->availableForWrite()==RingStream::THIS_IS_A_RINGSTREAM)
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((RingStream *)stream)->printFlash(flash);
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else
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#endif
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stream->print(flash);
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break;
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}
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case 'P': stream->print((uint32_t)va_arg(args, void*), HEX); break;
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case 'd': printPadded(stream,va_arg(args, int), formatWidth, formatLeft); break;
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case 'u': printPadded(stream,va_arg(args, unsigned int), formatWidth, formatLeft); break;
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case 'l': printPadded(stream,va_arg(args, long), formatWidth, formatLeft); break;
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case 'b': stream->print(va_arg(args, int), BIN); break;
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case 'o': stream->print(va_arg(args, int), OCT); break;
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case 'x': stream->print((unsigned int)va_arg(args, unsigned int), HEX); break;
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case 'X': stream->print((unsigned long)va_arg(args, unsigned long), HEX); break;
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case 'h': printHex(stream,(unsigned int)va_arg(args, unsigned int)); break;
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case 'M':
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{ // this prints a unsigned long microseconds time in readable format
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unsigned long time = va_arg(args, long);
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if (time >= 2000) {
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time = time / 1000;
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if (time >= 2000) {
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printPadded(stream, time/1000, formatWidth, formatLeft);
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stream->print(F("sec"));
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} else {
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printPadded(stream,time, formatWidth, formatLeft);
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stream->print(F("msec"));
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}
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} else {
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printPadded(stream,time, formatWidth, formatLeft);
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stream->print(F("usec"));
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}
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}
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break;
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//case 'f': stream->print(va_arg(args, double), 2); break;
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//format width prefix
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case '-':
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formatLeft=true;
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formatContinues=true;
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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formatWidth=formatWidth * 10 + (c-'0');
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formatContinues=true;
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break;
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}
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} while(formatContinues);
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}
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va_end(args);
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}
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void StringFormatter::printEscapes(Print * stream,char * input) {
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if (!stream) return;
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for(int i=0; ; ++i) {
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char c=input[i];
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printEscape(stream,c);
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if (c=='\0') return;
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}
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}
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void StringFormatter::printEscapes(Print * stream, const FSH * input) {
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if (!stream) return;
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char* flash=(char*)input;
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for(int i=0; ; ++i) {
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char c=GETFLASH(flash+i);
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printEscape(stream,c);
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if (c=='\0') return;
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}
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}
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void StringFormatter::printEscape( char c) {
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printEscape(&USB_SERIAL,c);
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}
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void StringFormatter::printEscape(Print * stream, char c) {
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if (!stream) return;
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switch(c) {
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case '\n': stream->print(F("\\n")); break;
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case '\r': stream->print(F("\\r")); break;
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case '\0': stream->print(F("\\0")); return;
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case '\t': stream->print(F("\\t")); break;
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case '\\': stream->print(F("\\\\")); break;
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default: stream->write(c);
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}
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}
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void StringFormatter::printPadded(Print* stream, long value, byte width, bool formatLeft) {
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if (width==0) {
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stream->print(value, DEC);
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return;
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}
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int digits=(value <= 0)? 1: 0; // zero and negative need extra digot
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long v=value;
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while (v) {
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v /= 10;
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digits++;
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}
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if (formatLeft) stream->print(value, DEC);
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while(digits<width) {
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stream->print(' ');
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digits++;
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}
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if (!formatLeft) stream->print(value, DEC);
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}
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// printHex prints the full 2 byte hex with leading zeros, unlike print(value,HEX)
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const char FLASH hexchars[]="0123456789ABCDEF";
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void StringFormatter::printHex(Print * stream,uint16_t value) {
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char result[5];
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for (int i=3;i>=0;i--) {
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result[i]=GETFLASH(hexchars+(value & 0x0F));
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value>>=4;
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}
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result[4]='\0';
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stream->print(result);
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}
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