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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
- * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
- *
- * 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
-
- /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
- */
-
- #define CPU_32_BIT
-
- #include "../shared/Marduino.h"
- #include "../shared/math_32bit.h"
- #include "../shared/HAL_SPI.h"
- #include "fastio_Due.h"
- #include "watchdog_Due.h"
- #include "HAL_timers_Due.h"
-
- #include <stdint.h>
-
- // Serial ports
- #if !WITHIN(SERIAL_PORT, -1, 3)
- #error "SERIAL_PORT must be from -1 to 3"
- #endif
-
- // MYSERIAL0 required before MarlinSerial includes!
- #define MYSERIAL0 customizedSerial1
-
- #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
- #define MYSERIAL1 customizedSerial2
- #else
- #define NUM_SERIAL 1
- #endif
-
- #include "MarlinSerial_Due.h"
- #include "MarlinSerialUSB_Due.h"
-
- // On AVR this is in math.h?
- #define square(x) ((x)*(x))
-
- #ifndef strncpy_P
- #define strncpy_P(dest, src, num) strncpy((dest), (src), (num))
- #endif
-
- #ifndef vsnprintf_P
- #define vsnprintf_P vsnprintf
- #endif
-
- // Fix bug in pgm_read_ptr
- #undef pgm_read_ptr
- #define pgm_read_ptr(addr) (*((void**)(addr)))
- #undef pgm_read_word
- #define pgm_read_word(addr) (*((uint16_t*)(addr)))
-
- typedef int8_t pin_t;
-
- #define SHARED_SERVOS HAS_SERVOS
- #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()
-
- void cli(void); // Disable interrupts
- void sei(void); // Enable interrupts
-
- void HAL_clear_reset_source(void); // clear reset reason
- uint8_t HAL_get_reset_source(void); // get reset reason
-
- //
- // SPI: Extended functions taking a channel number (Hardware SPI only)
- //
-
- // Write single byte to specified SPI channel
- void spiSend(uint32_t chan, byte b);
- // Write buffer to specified SPI channel
- void spiSend(uint32_t chan, const uint8_t* buf, size_t n);
- // Read single byte from specified SPI channel
- uint8_t spiRec(uint32_t chan);
-
- //
- // EEPROM
- //
- void eeprom_write_byte(uint8_t *pos, unsigned char value);
- uint8_t eeprom_read_byte(uint8_t *pos);
- void eeprom_read_block (void *__dst, const void *__src, size_t __n);
- void eeprom_update_block (const void *__src, void *__dst, size_t __n);
-
- //
- // ADC
- //
- extern uint16_t HAL_adc_result; // result of last ADC conversion
-
- #ifndef analogInputToDigitalPin
- #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
- #endif
-
- #define HAL_ANALOG_SELECT(pin)
-
- inline void HAL_adc_init(void) {}//todo
-
- #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
- #define HAL_IDLETASK 1
- void HAL_idletask(void);
- void HAL_init(void);
-
- //
- // Utility functions
- //
- void _delay_ms(const int delay);
- int freeMemory(void);
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- char *dtostrf (double __val, signed char __width, unsigned char __prec, char *__s);
- #ifdef __cplusplus
- }
- #endif
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