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80 lines
2.8 KiB
C

9 years ago
/**
* Marlin 3D Printer Firmware
* Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
9 years ago
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* 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
#include "../inc/MarlinConfigPre.h"
7 years ago
constexpr char axis_codes[XYZE] = { 'X', 'Y', 'Z', 'E' };
// 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
}
#if EITHER(EEPROM_SETTINGS, SD_FIRMWARE_UPDATE)
void crc16(uint16_t *crc, const void * const data, uint16_t cnt);
#endif
#if EITHER(AUTO_BED_LEVELING_UBL, G26_MESH_VALIDATION)
/**
* These support functions allow the use of large bit arrays of flags that take very
* little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
* to unsigned long will allow us to go to 32x32 if higher resolution Mesh's are needed
* in the future.
*/
FORCE_INLINE void bitmap_clear(uint16_t bits[16], const uint8_t x, const uint8_t y) { CBI(bits[y], x); }
FORCE_INLINE void bitmap_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { SBI(bits[y], x); }
FORCE_INLINE bool is_bitmap_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { return TEST(bits[y], x); }
#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
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_; }
};
#define REMEMBER(N,X, ...) restorer<typeof(X)> restorer_##N(X, ##__VA_ARGS__)
#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; }
constexpr uint8_t all_on = 0xFF, all_off = 0x00;