62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
// This file is part of Necroware's GamePort adapter firmware.
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// Copyright (C) 2021 Necroware
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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 <https://www.gnu.org/licenses/>.
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#pragma once
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#include <Arduino.h>
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#include <stdarg.h>
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#include <stdio.h>
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/// Debug messages on serial port are turned off by default. Comment the following
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/// line to enable logging to the serial port.
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/// Arduino Micro seems somehow to share the serial port with the USB interface.
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/// If the serial port will be activated, the operating system will no longer
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/// recognize the USB device!
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#define NDEBUG
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#ifdef NDEBUG
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#define initLog()
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#define log(...)
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#else
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inline void initLog() {
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Serial.begin(9600);
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while(!Serial);
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}
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inline void log(const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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char buffer[512];
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vsnprintf(buffer, sizeof(buffer), fmt, args);
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va_end(args);
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Serial.println(buffer);
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}
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#endif // !NDEBUG
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/// Interrupt guard (RAII).
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///
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/// This class is used to deactivate the interrupts in performance
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/// critical sections. The interrupt is reactivated as soon as this
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/// guard runs out of scope.
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struct InterruptStopper {
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InterruptStopper() { noInterrupts(); }
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~InterruptStopper() { interrupts(); }
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InterruptStopper(const InterruptStopper&) = delete;
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InterruptStopper(InterruptStopper&&) = delete;
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InterruptStopper& operator=(const InterruptStopper&) = delete;
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InterruptStopper& operator=(InterruptStopper&&) = delete;
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};
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