mirror of
https://github.com/emsesp/EMS-ESP32.git
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115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
/*
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* mcu-app - Microcontroller application framework
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* Copyright 2022 Simon Arlott
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PRINT_H_
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#define PRINT_H_
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#include <stdarg.h>
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#include <unistd.h>
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#include <cstddef>
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#include <cstdint>
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#include <cstring>
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#include <string>
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#include <Printable.h>
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#include <WString.h>
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int vsnprintf_P(char * str, size_t size, const char * format, va_list ap);
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class Print {
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public:
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virtual size_t write(uint8_t c) = 0;
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virtual size_t write(const uint8_t * buffer, size_t size) {
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for (size_t i = 0; i < size; i++) {
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write(*buffer);
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buffer++;
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};
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return size;
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};
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void setWriteError(int err = 1) {
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err_ = err;
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}
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int getWriteError() {
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return err_;
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}
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void clearWriteError() {
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}
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size_t print(char c) {
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return write((uint8_t)c);
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}
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size_t print(const char * data) {
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return write(reinterpret_cast<const uint8_t *>(data), strlen(data));
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}
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size_t print(const Printable & printable) {
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return printable.printTo(*this);
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}
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size_t print(int value) {
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return print(std::to_string(value).c_str());
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}
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size_t print(unsigned int value) {
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return print(std::to_string(value).c_str());
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}
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size_t print(long value) {
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return print(std::to_string(value).c_str());
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}
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size_t print(unsigned long value) {
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return print(std::to_string(value).c_str());
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}
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size_t printf(const char * format, ...) {
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char str[4096] = {0};
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va_list ap;
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va_start(ap, format);
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int ret = vsnprintf_P(str, sizeof(str), format, ap);
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va_end(ap);
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if (ret < 0)
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return ret;
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return print(str);
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}
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size_t println() {
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return print("\r\n");
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}
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size_t println(const char * data) {
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return print(data) + println();
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}
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size_t println(const Printable & printable) {
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return printable.printTo(*this) + println();
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}
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size_t println(int value) {
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return print(std::to_string(value).c_str()) + println();
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}
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size_t println(unsigned int value) {
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return print(std::to_string(value).c_str()) + println();
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}
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size_t println(long value) {
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return print(std::to_string(value).c_str()) + println();
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}
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size_t println(unsigned long value) {
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return print(std::to_string(value).c_str()) + println();
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}
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virtual void flush(){};
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private:
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int err_{0};
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};
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#endif
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