/** * Marlin 3D Printer Firmware * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] * * Based on Sprinter and grbl. * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm * Copyright (C) 2017 Victor Perez * * 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 . * */ /** * Fast I/O interfaces for STM32F7 * These use GPIO functions instead of Direct Port Manipulation, as on AVR. */ #ifndef _FASTIO_STM32F7_H #define _FASTIO_STM32F7_H #define _BV(b) (1UL << (b)) #define READ(IO) digitalRead(IO) #define WRITE(IO, v) digitalWrite(IO,v) #define TOGGLE(IO) do{ _SET_OUTPUT(IO); digitalWrite(IO,!digitalRead(IO)); }while(0) #define WRITE_VAR(IO, v) digitalWrite(IO,v) #define _GET_MODE(IO) #define _SET_MODE(IO,M) pinMode(IO, M) #define _SET_OUTPUT(IO) pinMode(IO, OUTPUT) /*!< Output Push Pull Mode & GPIO_NOPULL */ #define SET_INPUT(IO) _SET_MODE(IO, INPUT) /*!< Input Floating Mode */ #define SET_INPUT_PULLUP(IO) _SET_MODE(IO, INPUT_PULLUP) /*!< Input with Pull-up activation */ #define SET_INPUT_PULLDOW(IO) _SET_MODE(IO, INPUT_PULLDOWN) /*!< Input with Pull-down activation */ #define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0) #define GET_INPUT(IO) #define GET_OUTPUT(IO) #define GET_TIMER(IO) #define OUT_WRITE(IO, v) { _SET_OUTPUT(IO); WRITE(IO, v); } #endif // _FASTIO_STM32F7_H