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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 AVR-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 \
- || BTN_EN1 == N || BTN_EN2 == N \
- )
- #if SERIAL_IN_USE(0)
- // D0-D1. No known conflicts.
- #endif
- #if NOT_TARGET(__AVR_ATmega644P__, __AVR_ATmega1284P__)
- #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
- #else
- #if SERIAL_IN_USE(1) && (CHECK_SERIAL_PIN(10) || CHECK_SERIAL_PIN(11))
- #error "Serial Port 1 pin D10 and/or D11 conflicts with another pin on the board."
- #endif
- #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
-
- /**
- * Checks for FAST PWM
- */
- #if ALL(FAST_PWM_FAN, USE_OCR2A_AS_TOP, HAS_TCCR2)
- #error "USE_OCR2A_AS_TOP does not apply to devices with a single output TIMER2."
- #endif
-
- /**
- * Checks for SOFT PWM
- */
- #if HAS_FAN0 && FAN_PIN == 9 && DISABLED(FAN_SOFT_PWM) && ENABLED(SPEAKER)
- #error "FAN_PIN 9 Hardware PWM uses Timer 2 which conflicts with Arduino AVR Tone Timer (for SPEAKER)."
- #error "Disable SPEAKER or enable FAN_SOFT_PWM."
- #endif
-
- /**
- * Sanity checks for Spindle / Laser PWM
- */
- #if ENABLED(SPINDLE_LASER_USE_PWM)
- #include "../ServoTimers.h" // Needed to check timer availability (_useTimer3)
- #if SPINDLE_LASER_PWM_PIN == 4 || WITHIN(SPINDLE_LASER_PWM_PIN, 11, 13)
- #error "Counter/Timer for SPINDLE_LASER_PWM_PIN is used by a system interrupt."
- #elif NUM_SERVOS > 0 && defined(_useTimer3) && (WITHIN(SPINDLE_LASER_PWM_PIN, 2, 3) || SPINDLE_LASER_PWM_PIN == 5)
- #error "Counter/Timer for SPINDLE_LASER_PWM_PIN is used by the servo system."
- #endif
- #elif SPINDLE_LASER_FREQUENCY
- #error "SPINDLE_LASER_FREQUENCY requires SPINDLE_LASER_USE_PWM."
- #endif
-
- /**
- * The Trinamic library includes SoftwareSerial.h, leading to a compile error.
- */
- #if BOTH(HAS_TRINAMIC_CONFIG, ENDSTOP_INTERRUPTS_FEATURE)
- #error "TMCStepper includes SoftwareSerial.h which is incompatible with ENDSTOP_INTERRUPTS_FEATURE. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
- #endif
-
- #if BOTH(HAS_TMC_SW_SERIAL, MONITOR_DRIVER_STATUS)
- #error "MONITOR_DRIVER_STATUS causes performance issues when used with SoftwareSerial-connected drivers. Disable MONITOR_DRIVER_STATUS or use hardware serial to continue."
- #endif
-
- /**
- * Postmortem debugging
- */
- #if ENABLED(POSTMORTEM_DEBUGGING)
- #error "POSTMORTEM_DEBUGGING is not supported on AVR boards."
- #endif
-
- #if USING_PULLDOWNS
- #error "PULLDOWN pin mode is not available on AVR boards."
- #endif
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