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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* Low level pin manipulation routines - used by all the drivers.
*
* These are based on the LPC1768 pinMode, digitalRead & digitalWrite routines.
*
* Couldn't just call exact copies because the overhead killed the LCD update speed
* With an intermediate level the softspi was running in the 10-20kHz range which
* resulted in using about about 25% of the CPU's time.
*/
void u8g_SetPinOutput(uint8_t internal_pin_number);
void u8g_SetPinInput(uint8_t internal_pin_number);
void u8g_SetPinLevel(uint8_t pin, uint8_t pin_status);
uint8_t u8g_GetPinLevel(uint8_t pin);
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