2017-11-02 20:57:08 -05:00
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/**
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* Marlin 3D Printer Firmware
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2020-02-03 08:00:57 -06:00
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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2017-11-02 20:57:08 -05:00
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*
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* Based on Sprinter and grbl.
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2019-06-27 23:57:50 -05:00
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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2017-11-02 20:57:08 -05:00
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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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*/
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2019-07-04 22:44:12 -05:00
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#pragma once
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2017-11-02 20:57:08 -05:00
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/**
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* Low level pin manipulation routines - used by all the drivers.
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*
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* These are based on the LPC1768 pinMode, digitalRead & digitalWrite routines.
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*
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* Couldn't just call exact copies because the overhead killed the LCD update speed
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* With an intermediate level the softspi was running in the 10-20kHz range which
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* resulted in using about about 25% of the CPU's time.
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*/
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void u8g_SetPinOutput(uint8_t internal_pin_number);
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void u8g_SetPinInput(uint8_t internal_pin_number);
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void u8g_SetPinLevel(uint8_t pin, uint8_t pin_status);
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uint8_t u8g_GetPinLevel(uint8_t pin);
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