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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 CPU_32_BIT
-
- #include "../shared/Marduino.h"
- #include "../shared/math_32bit.h"
- #include "../shared/HAL_SPI.h"
- #include "fastio_SAMD51.h"
- #include "watchdog_SAMD51.h"
- #include "HAL_timers_SAMD51.h"
-
- #ifdef ADAFRUIT_GRAND_CENTRAL_M4
- #include "MarlinSerial_AGCM4.h"
-
- // Serial ports
- #if !WITHIN(SERIAL_PORT, -1, 3)
- #error "SERIAL_PORT must be from -1 to 3"
- #endif
-
- // MYSERIAL0 required before MarlinSerial includes!
- #if SERIAL_PORT == -1
- #define MYSERIAL0 Serial
- #elif SERIAL_PORT == 0
- #define MYSERIAL0 Serial1
- #elif SERIAL_PORT == 1
- #define MYSERIAL0 Serial2
- #elif SERIAL_PORT == 2
- #define MYSERIAL0 Serial3
- #else
- #define MYSERIAL0 Serial4
- #endif
-
- #ifdef SERIAL_PORT_2
- #if !WITHIN(SERIAL_PORT_2, -1, 3)
- #error "SERIAL_PORT_2 must be from -1 to 3"
- #elif SERIAL_PORT_2 == SERIAL_PORT
- #error "SERIAL_PORT_2 must be different than SERIAL_PORT"
- #endif
- #define NUM_SERIAL 2
- #if SERIAL_PORT_2 == -1
- #define MYSERIAL1 Serial
- #elif SERIAL_PORT_2 == 0
- #define MYSERIAL1 Serial1
- #elif SERIAL_PORT_2 == 1
- #define MYSERIAL1 Serial2
- #elif SERIAL_PORT_2 == 2
- #define MYSERIAL1 Serial3
- #else
- #define MYSERIAL1 Serial4
- #endif
- #else
- #define NUM_SERIAL 1
- #endif
-
- #endif // ADAFRUIT_GRAND_CENTRAL_M4
-
- typedef int8_t pin_t;
-
- //#define HAL_SERVO_LIB Servo
-
- //
- // Interrupts
- //
- #define CRITICAL_SECTION_START uint32_t primask = __get_PRIMASK(); __disable_irq()
- #define CRITICAL_SECTION_END if (!primask) __enable_irq()
- #define ISRS_ENABLED() (!__get_PRIMASK())
- #define ENABLE_ISRS() __enable_irq()
- #define DISABLE_ISRS() __disable_irq()
-
- #define cli() __disable_irq() // Disable interrupts
- #define sei() __enable_irq() // Enable interrupts
-
- void HAL_clear_reset_source(void); // clear reset reason
- uint8_t HAL_get_reset_source(void); // get reset reason
-
- //
- // EEPROM
- //
- void eeprom_write_byte(uint8_t *pos, unsigned char value);
- uint8_t eeprom_read_byte(uint8_t *pos);
-
- //
- // ADC
- //
- extern uint16_t HAL_adc_result; // result of last ADC conversion
-
- #define HAL_ANALOG_SELECT(pin)
-
- void HAL_adc_init(void);
-
- #define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
- #define HAL_READ_ADC() HAL_adc_result
- #define HAL_ADC_READY() true
-
- void HAL_adc_start_conversion(const uint8_t adc_pin);
- uint16_t HAL_adc_get_result(void);
-
- //
- // Pin Map
- //
- #define GET_PIN_MAP_PIN(index) index
- #define GET_PIN_MAP_INDEX(pin) pin
- #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
-
- //
- // Tone
- //
- void toneInit();
- void tone(const pin_t _pin, const unsigned int frequency, const unsigned long duration=0);
- void noTone(const pin_t _pin);
-
- // Enable hooks into idle and setup for HAL
- void HAL_init(void);
- /*#define HAL_IDLETASK 1
- void HAL_idletask(void);*/
-
- //
- // Utility functions
- //
- FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
- int freeMemory(void);
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