188 lines
4.7 KiB
C++
188 lines
4.7 KiB
C++
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
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* Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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/**
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* HAL for Teensy 3.2 (MK20DX256)
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*/
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#define CPU_32_BIT
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#include "../shared/Marduino.h"
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#include "../shared/math_32bit.h"
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#include "../shared/HAL_SPI.h"
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#include "fastio.h"
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#include "watchdog.h"
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#include <stdint.h>
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// ------------------------
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// Defines
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// ------------------------
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#define IS_32BIT_TEENSY 1
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#define IS_TEENSY_31_32 1
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#ifndef IS_TEENSY31
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#define IS_TEENSY32 1
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#endif
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#define CPU_ST7920_DELAY_1 600
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#define CPU_ST7920_DELAY_2 750
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#define CPU_ST7920_DELAY_3 750
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// ------------------------
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// Serial ports
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// ------------------------
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#include "../../core/serial_hook.h"
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#define Serial0 Serial
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#define _DECLARE_SERIAL(X) \
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typedef ForwardSerial1Class<decltype(Serial##X)> DefaultSerial##X; \
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extern DefaultSerial##X MSerial##X
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#define DECLARE_SERIAL(X) _DECLARE_SERIAL(X)
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typedef ForwardSerial1Class<decltype(SerialUSB)> USBSerialType;
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extern USBSerialType USBSerial;
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#define _MSERIAL(X) MSerial##X
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#define MSERIAL(X) _MSERIAL(X)
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#if SERIAL_PORT == -1
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#define MYSERIAL1 USBSerial
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#elif WITHIN(SERIAL_PORT, 0, 3)
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DECLARE_SERIAL(SERIAL_PORT);
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#define MYSERIAL1 MSERIAL(SERIAL_PORT)
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#else
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#error "The required SERIAL_PORT must be from 0 to 3, or -1 for Native USB."
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#endif
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// ------------------------
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// Types
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// ------------------------
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class libServo;
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typedef libServo hal_servo_t;
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typedef int8_t pin_t;
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// ------------------------
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// Interrupts
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// ------------------------
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uint32_t __get_PRIMASK(void); // CMSIS
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#define CRITICAL_SECTION_START() const bool irqon = !__get_PRIMASK(); __disable_irq()
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#define CRITICAL_SECTION_END() if (irqon) __enable_irq()
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// ------------------------
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// ADC
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// ------------------------
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#ifndef analogInputToDigitalPin
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#define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
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#endif
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#define HAL_ADC_VREF 3.3
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#define HAL_ADC_RESOLUTION 10
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//
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// Pin Mapping for M42, M43, M226
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//
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#define GET_PIN_MAP_PIN(index) index
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#define GET_PIN_MAP_INDEX(pin) pin
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#define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
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// ------------------------
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// Class Utilities
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// ------------------------
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#pragma GCC diagnostic push
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#if GCC_VERSION <= 50000
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#pragma GCC diagnostic ignored "-Wunused-function"
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#endif
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extern "C" int freeMemory();
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#pragma GCC diagnostic pop
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// ------------------------
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// MarlinHAL Class
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// ------------------------
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class MarlinHAL {
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public:
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// Earliest possible init, before setup()
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MarlinHAL() {}
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static void init() {} // Called early in setup()
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static void init_board() {} // Called less early in setup()
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static void reboot(); // Restart the firmware from 0x0
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// Interrupts
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static bool isr_state() { return !__get_PRIMASK(); }
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static void isr_on() { __enable_irq(); }
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static void isr_off() { __disable_irq(); }
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static void delay_ms(const int ms) { delay(ms); }
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// Tasks, called from idle()
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static void idletask() {}
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// Reset
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static uint8_t get_reset_source();
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static void clear_reset_source() {}
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// Free SRAM
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static int freeMemory() { return ::freeMemory(); }
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//
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// ADC Methods
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//
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// Called by Temperature::init once at startup
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static void adc_init();
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// Called by Temperature::init for each sensor at startup
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static void adc_enable(const pin_t ch) {}
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// Begin ADC sampling on the given channel. Called from Temperature::isr!
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static void adc_start(const pin_t ch);
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// Is the ADC ready for reading?
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static bool adc_ready() { return true; }
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// The current value of the ADC register
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static uint16_t adc_value();
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/**
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* Set the PWM duty cycle for the pin to the given value.
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* No option to invert the duty cycle [default = false]
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* No option to change the scale of the provided value to enable finer PWM duty control [default = 255]
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*/
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static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t=255, const bool=false) {
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analogWrite(pin, v);
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}
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};
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