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Marlin-Artillery-M600/Marlin/src/core/utility.h

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/**
* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
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#include "../inc/MarlinConfigPre.h"
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#include "../core/types.h"
// Delay that ensures heaters and watchdog are kept alive
void safe_delay(millis_t ms);
// A delay to provide brittle hosts time to receive bytes
inline void serial_delay(const millis_t ms) {
#if ENABLED(SERIAL_OVERRUN_PROTECTION)
safe_delay(ms);
#else
UNUSED(ms);
#endif
}
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#if GRID_MAX_POINTS_X && GRID_MAX_POINTS_Y
// 16x16 bit arrays
template <int W, int H>
struct FlagBits {
typename IF<(W>8), uint16_t, uint8_t>::type bits[H];
void fill() { memset(bits, 0xFF, sizeof(bits)); }
void reset() { memset(bits, 0x00, sizeof(bits)); }
void unmark(const uint8_t x, const uint8_t y) { CBI(bits[y], x); }
void mark(const uint8_t x, const uint8_t y) { SBI(bits[y], x); }
bool marked(const uint8_t x, const uint8_t y) { return TEST(bits[y], x); }
inline void unmark(const xy_int8_t &xy) { unmark(xy.x, xy.y); }
inline void mark(const xy_int8_t &xy) { mark(xy.x, xy.y); }
inline bool marked(const xy_int8_t &xy) { return marked(xy.x, xy.y); }
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};
typedef FlagBits<GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y> MeshFlags;
#endif
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#if ENABLED(DEBUG_LEVELING_FEATURE)
void log_machine_info();
#else
#define log_machine_info() NOOP
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#endif
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template<typename T>
class restorer {
T& ref_;
T val_;
public:
restorer(T& perm) : ref_(perm), val_(perm) {}
restorer(T& perm, T temp_val) : ref_(perm), val_(perm) { perm = temp_val; }
~restorer() { restore(); }
inline void restore() { ref_ = val_; }
};
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#define REMEMBER(N,X,V...) const restorer<typeof(X)> restorer_##N(X, ##V)
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#define RESTORE(N) restorer_##N.restore()
// Converts from an uint8_t in the range of 0-255 to an uint8_t
// in the range 0-100 while avoiding rounding artifacts
constexpr uint8_t ui8_to_percent(const uint8_t i) { return (int(i) * 100 + 127) / 255; }