Firmware2/Marlin/src/HAL/HAL_ESP32/fastio_ESP32.h

73 lines
1.8 KiB
C
Raw Normal View History

2017-10-08 18:38:10 +02:00
/**
* 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
*
* 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/>.
*
*/
#ifndef _FASTIO_ESP32_H
#define _FASTIO_ESP32_H
/**
* Utility functions
*/
// set pin as input
#define _SET_INPUT(IO) pinMode(IO, INPUT)
// set pin as output
#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT)
// set pin as input with pullup mode
#define _PULLUP(IO, v) pinMode(IO, v ? INPUT_PULLUP : INPUT)
// Read a pin wrapper
#define READ(IO) digitalRead(IO)
// Write to a pin wrapper
#define WRITE(IO, v) digitalWrite(IO, v)
// set pin as input wrapper
#define SET_INPUT(IO) _SET_INPUT(IO)
// set pin as input with pullup wrapper
#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
// set pin as output wrapper
#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
//
// ports and functions
//
// UART
#define RXD 3
#define TXD 1
// TWI (I2C)
#define SCL 5
#define SDA 4
//
// pins
//
#endif // _FASTIO_ESP32_H