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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- /**
- * HAL for Arduino Due and compatible (SAM3X8E)
- */
-
- #define CPU_32_BIT
-
- #include "../shared/Marduino.h"
- #include "../shared/eeprom_if.h"
- #include "../shared/math_32bit.h"
- #include "../shared/HAL_SPI.h"
- #include "fastio.h"
-
- #include <stdint.h>
-
- #include "../../core/serial_hook.h"
-
- // ------------------------
- // Serial ports
- // ------------------------
-
- typedef ForwardSerial1Class< decltype(Serial) > DefaultSerial1;
- typedef ForwardSerial1Class< decltype(Serial1) > DefaultSerial2;
- typedef ForwardSerial1Class< decltype(Serial2) > DefaultSerial3;
- typedef ForwardSerial1Class< decltype(Serial3) > DefaultSerial4;
- extern DefaultSerial1 MSerial0;
- extern DefaultSerial2 MSerial1;
- extern DefaultSerial3 MSerial2;
- extern DefaultSerial4 MSerial3;
-
- #define _MSERIAL(X) MSerial##X
- #define MSERIAL(X) _MSERIAL(X)
-
- #if SERIAL_PORT == -1 || ENABLED(EMERGENCY_PARSER)
- #define MYSERIAL1 customizedSerial1
- #elif WITHIN(SERIAL_PORT, 0, 3)
- #define MYSERIAL1 MSERIAL(SERIAL_PORT)
- #else
- #error "The required SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
- #endif
-
- #ifdef SERIAL_PORT_2
- #if SERIAL_PORT_2 == -1 || ENABLED(EMERGENCY_PARSER)
- #define MYSERIAL2 customizedSerial2
- #elif WITHIN(SERIAL_PORT_2, 0, 3)
- #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
- #else
- #error "SERIAL_PORT_2 must be from 0 to 3, or -1 for USB Serial."
- #endif
- #endif
-
- #ifdef SERIAL_PORT_3
- #if SERIAL_PORT_3 == -1 || ENABLED(EMERGENCY_PARSER)
- #define MYSERIAL3 customizedSerial3
- #elif WITHIN(SERIAL_PORT_3, 0, 3)
- #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
- #else
- #error "SERIAL_PORT_3 must be from 0 to 3, or -1 for USB Serial."
- #endif
- #endif
-
- #ifdef MMU2_SERIAL_PORT
- #if WITHIN(MMU2_SERIAL_PORT, 0, 3)
- #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
- #else
- #error "MMU2_SERIAL_PORT must be from 0 to 3."
- #endif
- #endif
-
- #ifdef LCD_SERIAL_PORT
- #if WITHIN(LCD_SERIAL_PORT, 0, 3)
- #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
- #else
- #error "LCD_SERIAL_PORT must be from 0 to 3."
- #endif
- #endif
-
- #include "MarlinSerial.h"
- #include "MarlinSerialUSB.h"
-
- // ------------------------
- // Types
- // ------------------------
-
- typedef int8_t pin_t;
-
- #define SHARED_SERVOS HAS_SERVOS // Use shared/servos.cpp
-
- class Servo;
- typedef Servo hal_servo_t;
-
- //
- // Interrupts
- //
- #define sei() interrupts()
- #define cli() noInterrupts()
-
- #define CRITICAL_SECTION_START() const bool _irqon = hal.isr_state(); hal.isr_off()
- #define CRITICAL_SECTION_END() if (_irqon) hal.isr_on()
-
- //
- // ADC
- //
- #define HAL_ADC_VREF 3.3
- #define HAL_ADC_RESOLUTION 10
-
- #ifndef analogInputToDigitalPin
- #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
- #endif
-
- //
- // Pin Mapping for M42, M43, M226
- //
- #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 tone(const pin_t _pin, const unsigned int frequency, const unsigned long duration=0);
- void noTone(const pin_t _pin);
-
- // ------------------------
- // Class Utilities
- // ------------------------
-
- #pragma GCC diagnostic push
- #if GCC_VERSION <= 50000
- #pragma GCC diagnostic ignored "-Wunused-function"
- #endif
-
- #pragma GCC diagnostic pop
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- char *dtostrf(double __val, signed char __width, unsigned char __prec, char *__s);
- #ifdef __cplusplus
- }
- #endif
-
- // Return free RAM between end of heap (or end bss) and whatever is current
- int freeMemory();
-
- // ------------------------
- // MarlinHAL Class
- // ------------------------
-
- class MarlinHAL {
- public:
-
- // Earliest possible init, before setup()
- MarlinHAL() {}
-
- // Watchdog
- static void watchdog_init() IF_DISABLED(USE_WATCHDOG, {});
- static void watchdog_refresh() IF_DISABLED(USE_WATCHDOG, {});
-
- static void init(); // Called early in setup()
- static void init_board(); // Called less early in setup()
- static void reboot(); // Restart the firmware
-
- // Interrupts
- static bool isr_state() { return !__get_PRIMASK(); }
- static void isr_on() { __enable_irq(); }
- static void isr_off() { __disable_irq(); }
-
- static void delay_ms(const int ms) { delay(ms); }
-
- // Tasks, called from idle()
- static void idletask();
-
- // Reset
- static uint8_t get_reset_source();
- static void clear_reset_source() {}
-
- // Free SRAM
- static int freeMemory() { return ::freeMemory(); }
-
- //
- // ADC Methods
- //
-
- static uint16_t adc_result;
-
- // Called by Temperature::init once at startup
- static void adc_init() {}
-
- // Called by Temperature::init for each sensor at startup
- static void adc_enable(const uint8_t /*ch*/) {}
-
- // Begin ADC sampling on the given channel. Called from Temperature::isr!
- static void adc_start(const uint8_t ch) { adc_result = analogRead(ch); }
-
- // Is the ADC ready for reading?
- static bool adc_ready() { return true; }
-
- // The current value of the ADC register
- static uint16_t adc_value() { return adc_result; }
-
- /**
- * Set the PWM duty cycle for the pin to the given value.
- * No inverting the duty cycle in this HAL.
- * No changing the maximum size of the provided value to enable finer PWM duty control in this HAL.
- */
- static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t=255, const bool=false) {
- analogWrite(pin, v);
- }
-
- };
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