434 lines
8.4 KiB
C
434 lines
8.4 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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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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/**
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This code contributed by Triffid_Hunter and modified by Kliment
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why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
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*/
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/**
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* Description: Fast IO functions for Arduino Due and compatible (SAM3X8E)
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*
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* For ARDUINO_ARCH_SAM
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*/
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#ifndef _FASTIO_DUE_H
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#define _FASTIO_DUE_H
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/**
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utility functions
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*/
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#ifndef MASK
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#define MASK(PIN) (1 << PIN)
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#endif
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/**
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magic I/O routines
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now you can simply SET_OUTPUT(STEP); WRITE(STEP, 1); WRITE(STEP, 0);
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*/
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/// Read a pin
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#define _READ(IO) ((bool)(DIO ## IO ## _WPORT -> PIO_PDSR & (MASK(DIO ## IO ## _PIN))))
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/// Write to a pin
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#define _WRITE_VAR(IO, v) do { if (v) {g_APinDescription[IO].pPort->PIO_SODR = g_APinDescription[IO].ulPin; } \
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else {g_APinDescription[IO].pPort->PIO_CODR = g_APinDescription[IO].ulPin; } \
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} while (0)
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#define _WRITE(IO, v) do { if (v) {DIO ## IO ## _WPORT -> PIO_SODR = MASK(DIO ## IO ##_PIN); } \
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else {DIO ## IO ## _WPORT -> PIO_CODR = MASK(DIO ## IO ## _PIN); }; \
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} while (0)
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/// toggle a pin
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#define _TOGGLE(IO) _WRITE(IO, !READ(IO))
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/// set pin as input
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#define _SET_INPUT(IO) pmc_enable_periph_clk(g_APinDescription[IO].ulPeripheralId); \
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PIO_Configure(g_APinDescription[IO].pPort, PIO_INPUT, g_APinDescription[IO].ulPin, 0)
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/// set pin as output
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#define _SET_OUTPUT(IO) PIO_Configure(g_APinDescription[IO].pPort, PIO_OUTPUT_1, \
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g_APinDescription[IO].ulPin, g_APinDescription[IO].ulPinConfiguration)
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/// set pin as input with pullup mode
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#define _PULLUP(IO, v) { pinMode(IO, (v!=LOW ? INPUT_PULLUP : INPUT)); }
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/// check if pin is an input
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#define _GET_INPUT(IO)
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/// check if pin is an output
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#define _GET_OUTPUT(IO)
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/// check if pin is an timer
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#define _GET_TIMER(IO)
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// why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
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/// Read a pin wrapper
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#define READ(IO) _READ(IO)
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/// Write to a pin wrapper
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#define WRITE_VAR(IO, v) _WRITE_VAR(IO, v)
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#define WRITE(IO, v) _WRITE(IO, v)
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/// toggle a pin wrapper
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#define TOGGLE(IO) _TOGGLE(IO)
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/// set pin as input wrapper
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#define SET_INPUT(IO) _SET_INPUT(IO)
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/// set pin as input with pullup wrapper
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#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
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/// set pin as output wrapper
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#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); _WRITE(IO, LOW); }while(0)
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/// check if pin is an input wrapper
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#define GET_INPUT(IO) _GET_INPUT(IO)
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/// check if pin is an output wrapper
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#define GET_OUTPUT(IO) _GET_OUTPUT(IO)
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/// check if pin is an timer wrapper
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#define GET_TIMER(IO) _GET_TIMER(IO)
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// Shorthand
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#define OUT_WRITE(IO, v) { SET_OUTPUT(IO); WRITE(IO, v); }
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/**
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ports and functions
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added as necessary or if I feel like it- not a comprehensive list!
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*/
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// UART
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#define RXD DIO0
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#define TXD DIO1
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// TWI (I2C)
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#define SCL DIO21
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#define SDA DIO20
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/**
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pins
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*/
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#define DIO0_PIN 8
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#define DIO0_WPORT PIOA
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#define DIO1_PIN 9
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#define DIO1_WPORT PIOA
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#define DIO2_PIN 25
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#define DIO2_WPORT PIOB
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#define DIO3_PIN 28
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#define DIO3_WPORT PIOC
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#define DIO4_PIN 26
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#define DIO4_WPORT PIOC
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#define DIO5_PIN 25
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#define DIO5_WPORT PIOC
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#define DIO6_PIN 24
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#define DIO6_WPORT PIOC
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#define DIO7_PIN 23
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#define DIO7_WPORT PIOC
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#define DIO8_PIN 22
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#define DIO8_WPORT PIOC
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#define DIO9_PIN 21
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#define DIO9_WPORT PIOC
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#define DIO10_PIN 29
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#define DIO10_WPORT PIOC
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#define DIO11_PIN 7
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#define DIO11_WPORT PIOD
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#define DIO12_PIN 8
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#define DIO12_WPORT PIOD
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#define DIO13_PIN 27
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#define DIO13_WPORT PIOB
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#define DIO14_PIN 4
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#define DIO14_WPORT PIOD
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#define DIO15_PIN 5
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#define DIO15_WPORT PIOD
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#define DIO16_PIN 13
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#define DIO16_WPORT PIOA
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#define DIO17_PIN 12
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#define DIO17_WPORT PIOA
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#define DIO18_PIN 11
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#define DIO18_WPORT PIOA
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#define DIO19_PIN 10
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#define DIO19_WPORT PIOA
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#define DIO20_PIN 12
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#define DIO20_WPORT PIOB
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#define DIO21_PIN 13
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#define DIO21_WPORT PIOB
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#define DIO22_PIN 26
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#define DIO22_WPORT PIOB
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#define DIO23_PIN 14
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#define DIO23_WPORT PIOA
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#define DIO24_PIN 15
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#define DIO24_WPORT PIOA
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#define DIO25_PIN 0
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#define DIO25_WPORT PIOD
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#define DIO26_PIN 1
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#define DIO26_WPORT PIOD
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#define DIO27_PIN 2
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#define DIO27_WPORT PIOD
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#define DIO28_PIN 3
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#define DIO28_WPORT PIOD
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#define DIO29_PIN 6
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#define DIO29_WPORT PIOD
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#define DIO30_PIN 9
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#define DIO30_WPORT PIOD
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#define DIO31_PIN 7
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#define DIO31_WPORT PIOA
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#define DIO32_PIN 10
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#define DIO32_WPORT PIOD
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#define DIO33_PIN 1
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#define DIO33_WPORT PIOC
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#define DIO34_PIN 2
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#define DIO34_WPORT PIOC
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#define DIO35_PIN 3
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#define DIO35_WPORT PIOC
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#define DIO36_PIN 4
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#define DIO36_WPORT PIOC
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#define DIO37_PIN 5
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#define DIO37_WPORT PIOC
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#define DIO38_PIN 6
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#define DIO38_WPORT PIOC
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#define DIO39_PIN 7
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#define DIO39_WPORT PIOC
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#define DIO40_PIN 8
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#define DIO40_WPORT PIOC
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#define DIO41_PIN 9
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#define DIO41_WPORT PIOC
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#define DIO42_PIN 19
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#define DIO42_WPORT PIOA
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#define DIO43_PIN 20
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#define DIO43_WPORT PIOA
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#define DIO44_PIN 19
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#define DIO44_WPORT PIOC
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#define DIO45_PIN 18
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#define DIO45_WPORT PIOC
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#define DIO46_PIN 17
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#define DIO46_WPORT PIOC
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#define DIO47_PIN 16
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#define DIO47_WPORT PIOC
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#define DIO48_PIN 15
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#define DIO48_WPORT PIOC
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#define DIO49_PIN 14
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#define DIO49_WPORT PIOC
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#define DIO50_PIN 13
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#define DIO50_WPORT PIOC
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#define DIO51_PIN 12
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#define DIO51_WPORT PIOC
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#define DIO52_PIN 21
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#define DIO52_WPORT PIOB
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#define DIO53_PIN 14
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#define DIO53_WPORT PIOB
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#define DIO54_PIN 16
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#define DIO54_WPORT PIOA
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#define DIO55_PIN 24
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#define DIO55_WPORT PIOA
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#define DIO56_PIN 23
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#define DIO56_WPORT PIOA
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#define DIO57_PIN 22
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#define DIO57_WPORT PIOA
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#define DIO58_PIN 6
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#define DIO58_WPORT PIOA
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#define DIO59_PIN 4
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#define DIO59_WPORT PIOA
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#define DIO60_PIN 3
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#define DIO60_WPORT PIOA
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#define DIO61_PIN 2
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#define DIO61_WPORT PIOA
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#define DIO62_PIN 17
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#define DIO62_WPORT PIOB
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#define DIO63_PIN 18
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#define DIO63_WPORT PIOB
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#define DIO64_PIN 19
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#define DIO64_WPORT PIOB
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#define DIO65_PIN 20
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#define DIO65_WPORT PIOB
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#define DIO66_PIN 15
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#define DIO66_WPORT PIOB
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#define DIO67_PIN 16
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#define DIO67_WPORT PIOB
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#define DIO68_PIN 1
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#define DIO68_WPORT PIOA
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#define DIO69_PIN 0
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#define DIO69_WPORT PIOA
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#define DIO70_PIN 17
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#define DIO70_WPORT PIOA
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#define DIO71_PIN 18
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#define DIO71_WPORT PIOA
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#define DIO72_PIN 30
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#define DIO72_WPORT PIOC
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#define DIO73_PIN 21
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#define DIO73_WPORT PIOA
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#define DIO74_PIN 25
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#define DIO74_WPORT PIOA
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#define DIO75_PIN 26
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#define DIO75_WPORT PIOA
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#define DIO76_PIN 27
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#define DIO76_WPORT PIOA
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#define DIO77_PIN 28
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#define DIO77_WPORT PIOA
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#define DIO78_PIN 23
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#define DIO78_WPORT PIOB
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#define DIO79_PIN 17
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#define DIO79_WPORT PIOA
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#define DIO80_PIN 12
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#define DIO80_WPORT PIOB
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#define DIO81_PIN 8
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#define DIO81_WPORT PIOA
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#define DIO82_PIN 11
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#define DIO82_WPORT PIOA
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#define DIO83_PIN 13
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#define DIO83_WPORT PIOA
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#define DIO84_PIN 4
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#define DIO84_WPORT PIOD
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#define DIO85_PIN 11
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#define DIO85_WPORT PIOB
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#define DIO86_PIN 21
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#define DIO86_WPORT PIOB
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#define DIO87_PIN 29
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#define DIO87_WPORT PIOA
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#define DIO88_PIN 15
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#define DIO88_WPORT PIOB
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#define DIO89_PIN 14
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#define DIO89_WPORT PIOB
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#define DIO90_PIN 1
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#define DIO90_WPORT PIOA
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#define DIO91_PIN 15
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#define DIO91_WPORT PIOB
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#define DIO92_PIN 5
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#define DIO92_WPORT PIOA
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#define DIO93_PIN 12
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#define DIO93_WPORT PIOB
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#define DIO94_PIN 22
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#define DIO94_WPORT PIOB
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#define DIO95_PIN 23
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#define DIO95_WPORT PIOB
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#define DIO96_PIN 24
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#define DIO96_WPORT PIOB
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#define DIO97_PIN 20
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#define DIO97_WPORT PIOC
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#define DIO98_PIN 27
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#define DIO98_WPORT PIOC
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#define DIO99_PIN 10
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#define DIO99_WPORT PIOC
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#define DIO100_PIN 11
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#define DIO100_WPORT PIOC
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#endif // _FASTIO_DUE_H
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