123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 |
- /**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2019 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/>.
- *
- */
- #pragma once
-
- #include "i2s.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) (TEST(IO, 7) ? i2s_write(IO & 0x7F, 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
|