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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
-
- /**
- * Test Arduino Due specific configuration values for errors at compile-time.
- */
-
- /**
- * Check for common serial pin conflicts
- */
- #define CHECK_SERIAL_PIN(N) ( \
- X_STOP_PIN == N || Y_STOP_PIN == N || Z_STOP_PIN == N \
- || X_MIN_PIN == N || Y_MIN_PIN == N || Z_MIN_PIN == N \
- || X_MAX_PIN == N || Y_MAX_PIN == N || Z_MAX_PIN == N \
- || X_STEP_PIN == N || Y_STEP_PIN == N || Z_STEP_PIN == N \
- || X_DIR_PIN == N || Y_DIR_PIN == N || Z_DIR_PIN == N \
- || X_ENA_PIN == N || Y_ENA_PIN == N || Z_ENA_PIN == N \
- )
- #if SERIAL_IN_USE(0) // D0-D1. No known conflicts.
- #endif
- #if SERIAL_IN_USE(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
- #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
- #endif
- #if SERIAL_IN_USE(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
- #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
- #endif
- #if SERIAL_IN_USE(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
- #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
- #endif
- #undef CHECK_SERIAL_PIN
-
- /**
- * HARDWARE VS. SOFTWARE SPI COMPATIBILITY
- *
- * DUE selects hardware vs. software SPI depending on whether one of the hardware-controllable SDSS pins is in use.
- *
- * The hardware SPI controller doesn't allow software SPIs to control any shared pins.
- *
- * When DUE software SPI is used then Trinamic drivers must use the TMC softSPI.
- *
- * When DUE hardware SPI is used then a Trinamic driver can use either its hardware SPI or, if there are no shared
- * pins, its software SPI.
- *
- * Usually the hardware SPI pins are only available to the LCD. This makes the DUE hard SPI used at the same time
- * as the TMC2130 soft SPI the most common setup.
- */
- #define _IS_HW_SPI(P) (defined(TMC_SW_##P) && (TMC_SW_##P == SD_MOSI_PIN || TMC_SW_##P == SD_MISO_PIN || TMC_SW_##P == SD_SCK_PIN))
-
- #if ENABLED(SDSUPPORT) && HAS_DRIVER(TMC2130)
- #if ENABLED(TMC_USE_SW_SPI)
- #if DISABLED(DUE_SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
- #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
- #endif
- #elif ENABLED(DUE_SOFTWARE_SPI)
- #error "DUE software SPI is required but is incompatible with TMC2130 hardware SPI. Enable TMC_USE_SW_SPI to fix."
- #endif
- #endif
-
- #if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_FREQUENCY
- #error "Features requiring Hardware PWM (FAST_PWM_FAN, SPINDLE_LASER_FREQUENCY) are not yet supported on DUE."
- #endif
-
- #if HAS_TMC_SW_SERIAL
- #error "TMC220x Software Serial is not supported on the DUE platform."
- #endif
-
- #if USING_PULLDOWNS
- #error "PULLDOWN pin mode is not available on DUE boards."
- #endif
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