/**
* 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 .
*
*/
#pragma once
/**
* HAL for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
*/
#define CPU_32_BIT
#include "../shared/Marduino.h"
#include "../shared/math_32bit.h"
#include "../shared/HAL_SPI.h"
#include "fastio.h"
#include
#include
#if HAS_ETHERNET
#include "../../feature/ethernet.h"
#endif
// ------------------------
// Defines
// ------------------------
#define IS_32BIT_TEENSY 1
#define IS_TEENSY_40_41 1
#ifndef IS_TEENSY40
#define IS_TEENSY41 1
#endif
#define CPU_ST7920_DELAY_1 600
#define CPU_ST7920_DELAY_2 750
#define CPU_ST7920_DELAY_3 750
#undef sq
#define sq(x) ((x)*(x))
// Don't place string constants in PROGMEM
#undef PSTR
#define PSTR(str) ({static const char *data = (str); &data[0];})
// ------------------------
// Serial ports
// ------------------------
#include "../../core/serial_hook.h"
#define Serial0 Serial
#define _DECLARE_SERIAL(X) \
typedef ForwardSerial1Class DefaultSerial##X; \
extern DefaultSerial##X MSerial##X
#define DECLARE_SERIAL(X) _DECLARE_SERIAL(X)
typedef ForwardSerial1Class USBSerialType;
extern USBSerialType USBSerial;
#define _MSERIAL(X) MSerial##X
#define MSERIAL(X) _MSERIAL(X)
#if SERIAL_PORT == -1
#define MYSERIAL1 SerialUSB
#elif WITHIN(SERIAL_PORT, 0, 8)
DECLARE_SERIAL(SERIAL_PORT);
#define MYSERIAL1 MSERIAL(SERIAL_PORT)
#else
#error "The required SERIAL_PORT must be from 0 to 8, or -1 for Native USB."
#endif
#ifdef SERIAL_PORT_2
#if SERIAL_PORT_2 == -1
#define MYSERIAL2 usbSerial
#elif SERIAL_PORT_2 == -2
#define MYSERIAL2 ethernet.telnetClient
#elif WITHIN(SERIAL_PORT_2, 0, 8)
#define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
#else
#error "SERIAL_PORT_2 must be from 0 to 8, or -1 for Native USB, or -2 for Ethernet."
#endif
#endif
// ------------------------
// Types
// ------------------------
class libServo;
typedef libServo hal_servo_t;
typedef int8_t pin_t;
// ------------------------
// Interrupts
// ------------------------
#define CRITICAL_SECTION_START() const bool irqon = !__get_primask(); __disable_irq()
#define CRITICAL_SECTION_END() if (irqon) __enable_irq()
// ------------------------
// ADC
// ------------------------
#ifndef analogInputToDigitalPin
#define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
#endif
#define HAL_ADC_VREF 3.3
#define HAL_ADC_RESOLUTION 10
#define HAL_ADC_FILTERED // turn off ADC oversampling
//
// 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)
// FastIO
bool is_output(pin_t pin);
// ------------------------
// Free Memory Accessor
// ------------------------
#pragma GCC diagnostic push
#if GCC_VERSION <= 50000
#pragma GCC diagnostic ignored "-Wunused-function"
#endif
extern "C" uint32_t freeMemory();
#pragma GCC diagnostic pop
// ------------------------
// 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 from 0x0
// 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 int8_t adc_select;
// 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 pin_t pin) {}
// Begin ADC sampling on the given pin. Called from Temperature::isr!
static void adc_start(const pin_t pin);
// Is the ADC ready for reading?
static bool adc_ready() { return true; }
// The current value of the ADC register
static uint16_t adc_value();
/**
* Set the PWM duty cycle for the pin to the given value.
* No option to invert the duty cycle [default = false]
* No option to change the scale of the provided value to enable finer PWM duty control [default = 255]
*/
static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t=255, const bool=false) {
analogWrite(pin, v);
}
};