forked from Elron_dev/elbear_arduino_bsp
klassents
7261b03ea1
- обновлен elbear_fw_bootloader - добавлена проверка контрольной суммы каждой строки hex файла. - в модуль работы с АЦП добавлена функция analogReadResolution(). Функция analogRead() теперь возвращает усредненное по 10 измерениям значение. - общая функция обработки прерываний перенесена в память RAM. Обработчики прерываний модулей External Interrupts и Advanced I/O (функция tone()) так же перенесены в память RAM для увеличения скорости выполнения кода. - в пакет добавлены библиотеки EEPROM, Servo, SoftSerial, NeoPixel, MFRC522 адаптированные для работы с платой Elbear Ace-Uno. - добавлено описание особенностей работы с пакетом
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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Copyright (c) 2011 Arduino. All right reserved.
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Copyright (c) 2013 by Paul Stoffregen <paul@pjrc.com> (delayMicroseconds)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _WIRING_TIME_H_
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#define _WIRING_TIME_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define clockCyclesPerMicrosecond() (F_CPU / 1000000L)
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#define clockCyclesToMicroseconds(a) ((a) / clockCyclesPerMicrosecond())
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#define microsecondsToClockCycles(a) ((a) * clockCyclesPerMicrosecond())
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/**
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* \brief Initialize timer for creating delays
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*
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*/
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void SysTick_Init(void);
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/**
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* \brief Returns the number of ticks since the Arduino board began running the current program.
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* \return Number of ticks since the program started
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*/
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uint64_t SysTick_GetTicks(void);
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/**
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* \brief Returns the number of milliseconds since the Arduino board began running the current program.
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*
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* This number will overflow (go back to zero), after approximately 50 days.
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*
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* \return Number of milliseconds since the program started (uint32_t)
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*/
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uint32_t millis(void);
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/**
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* \brief Returns the number of microseconds since the Arduino board began running the current program.
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*
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* This number will overflow (go back to zero), after approximately 70 minutes.
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*
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* \note There are 1,000 microseconds in a millisecond and 1,000,000 microseconds in a second.
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*/
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uint32_t micros(void);
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/**
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* \brief Pauses the program for the amount of time (in milliseconds) specified as parameter.
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* (There are 1000 milliseconds in a second.)
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*
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* \param ms the number of milliseconds to pause (uint32_t)
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*/
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void delay(uint32_t ms);
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/**
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* \brief Pauses the program for the amount of time (in microseconds) specified as parameter.
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*
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* \param us the number of microseconds to pause (uint32_t)
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*/
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void delayMicroseconds(uint16_t us);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _WIRING_TIME_H_ */
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