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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
- *
- * 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
-
- #define SYNC(sc) while (sc) { \
- asm(""); \
- }
-
- // Get SAMD port/pin from specified arduino pin
- #define GET_SAMD_PORT(P) _GET_SAMD_PORT(PIN_TO_SAMD_PIN(P))
- #define GET_SAMD_PIN(P) _GET_SAMD_PIN(PIN_TO_SAMD_PIN(P))
-
- // Get external interrupt line associated to specified arduino pin
- #define PIN_TO_EILINE(P) _SAMDPORTPIN_TO_EILINE(GET_SAMD_PORT(P), GET_SAMD_PIN(P))
-
- // Get adc/ain associated to specified arduino pin
- #define PIN_TO_ADC(P) (ANAPIN_TO_ADCAIN(P) >> 8)
- #define PIN_TO_AIN(P) (ANAPIN_TO_ADCAIN(P) & 0xFF)
-
- // Private defines
- #define PIN_TO_SAMD_PIN(P) DIO##P##_PIN
-
- #define _GET_SAMD_PORT(P) ((P) >> 5)
- #define _GET_SAMD_PIN(P) ((P) & 0x1F)
-
- // Get external interrupt line
- #define _SAMDPORTPIN_TO_EILINE(P,B) ((P == 0 && WITHIN(B, 0, 31) && B != 8 && B != 26 && B != 28 && B != 29) ? (B) & 0xF \
- : (P == 1 && (WITHIN(B, 0, 25) || WITHIN(B, 30, 31))) ? (B) & 0xF \
- : (P == 1 && WITHIN(B, 26, 29)) ? 12 + (B) - 26 \
- : (P == 2 && (WITHIN(B, 0, 6) || WITHIN(B, 10, 31)) && B != 29) ? (B) & 0xF \
- : (P == 2 && B == 7) ? 9 \
- : (P == 3 && WITHIN(B, 0, 1)) ? (B) \
- : (P == 3 && WITHIN(B, 8, 12)) ? 3 + (B) - 8 \
- : (P == 3 && WITHIN(B, 20, 21)) ? 10 + (B) - 20 \
- : -1)
-
- // Get adc/ain
- #define ANAPIN_TO_ADCAIN(P) _PIN_TO_ADCAIN(ANAPIN_TO_SAMDPIN(P))
- #define _PIN_TO_ADCAIN(P) _SAMDPORTPIN_TO_ADCAIN(_GET_SAMD_PORT(P), _GET_SAMD_PIN(P))
-
- #define _SAMDPORTPIN_TO_ADCAIN(P,B) ((P == 0 && WITHIN(B, 2, 3)) ? 0x000 + (B) - 2 \
- : (P == 0 && WITHIN(B, 4, 7)) ? 0x000 + (B) \
- : (P == 0 && WITHIN(B, 8, 9)) ? 0x100 + 2 + (B) - 8 \
- : (P == 0 && WITHIN(B, 10, 11)) ? 0x000 + (B) \
- : (P == 1 && WITHIN(B, 0, 3)) ? 0x000 + 12 + (B) \
- : (P == 1 && WITHIN(B, 4, 7)) ? 0x100 + 6 + (B) - 4 \
- : (P == 1 && WITHIN(B, 8, 9)) ? 0x100 + (B) - 8 \
- : (P == 2 && WITHIN(B, 0, 1)) ? 0x100 + 10 + (B) \
- : (P == 2 && WITHIN(B, 2, 3)) ? 0x100 + 4 + (B) - 2 \
- : (P == 2 && WITHIN(B, 30, 31)) ? 0x100 + 12 + (B) - 30 \
- : (P == 3 && WITHIN(B, 0, 1)) ? 0x100 + 14 + (B) \
- : -1)
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