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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
*
* 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
#include "../shared/Marduino.h"
#include "../shared/HAL_SPI.h"
#include "fastio.h"
#include "watchdog.h"
#include "math.h"
#ifdef USBCON
#include <HardwareSerial.h>
#else
#define HardwareSerial_h // Hack to prevent HardwareSerial.h header inclusion
#include "MarlinSerial.h"
#endif
#include <stdint.h>
#include <util/delay.h>
#include <avr/eeprom.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#ifndef pgm_read_ptr
// Compatibility for avr-libc 1.8.0-4.1 included with Ubuntu for
// Windows Subsystem for Linux on Windows 10 as of 10/18/2019
#define pgm_read_ptr_far(address_long) (void*)__ELPM_word((uint32_t)(address_long))
#define pgm_read_ptr_near(address_short) (void*)__LPM_word((uint16_t)(address_short))
#define pgm_read_ptr(address_short) pgm_read_ptr_near(address_short)
#endif
// ------------------------
// Defines
// ------------------------
// AVR PROGMEM extension for sprintf_P
#define S_FMT "%S"
// AVR PROGMEM extension for string define
#define PGMSTR(NAM,STR) const char NAM[] PROGMEM = STR
#ifndef CRITICAL_SECTION_START
#define CRITICAL_SECTION_START() unsigned char _sreg = SREG; cli()
#define CRITICAL_SECTION_END() SREG = _sreg
#endif
#define ISRS_ENABLED() TEST(SREG, SREG_I)
#define ENABLE_ISRS() sei()
#define DISABLE_ISRS() cli()
// ------------------------
// Types
// ------------------------
typedef int8_t pin_t;
#define SHARED_SERVOS HAS_SERVOS
#define HAL_SERVO_LIB Servo
// ------------------------
// Public Variables
// ------------------------
//extern uint8_t MCUSR;
// Serial ports
#ifdef USBCON
#include "../../core/serial_hook.h"
typedef ForwardSerial0Type< decltype(Serial) > DefaultSerial;
extern DefaultSerial MSerial;
#ifdef BLUETOOTH
typedef ForwardSerial0Type< decltype(bluetoothSerial) > BTSerial;
extern BTSerial btSerial;
#endif
#define MYSERIAL0 TERN(BLUETOOTH, btSerial, MSerial)
#else
#if !WITHIN(SERIAL_PORT, -1, 3)
#error "SERIAL_PORT must be from -1 to 3. Please update your configuration."
#endif
#define MYSERIAL0 customizedSerial1
#ifdef SERIAL_PORT_2
#if !WITHIN(SERIAL_PORT_2, -1, 3)
#error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
#endif
#define MYSERIAL1 customizedSerial2
#endif
#endif
#ifdef MMU2_SERIAL_PORT
#if !WITHIN(MMU2_SERIAL_PORT, -1, 3)
#error "MMU2_SERIAL_PORT must be from -1 to 3. Please update your configuration."
#endif
#define MMU2_SERIAL mmuSerial
#endif
#ifdef LCD_SERIAL_PORT
#if !WITHIN(LCD_SERIAL_PORT, -1, 3)
#error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
#endif
#define LCD_SERIAL lcdSerial
#if HAS_DGUS_LCD
#define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.get_tx_buffer_free()
#endif
#endif
// ------------------------
// Public functions
// ------------------------
void HAL_init();
//void cli();
//void _delay_ms(const int delay);
inline void HAL_clear_reset_source() { MCUSR = 0; }
inline uint8_t HAL_get_reset_source() { return MCUSR; }
inline void HAL_reboot() {} // reboot the board or restart the bootloader
#if GCC_VERSION <= 50000
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#endif
extern "C" int freeMemory();
#if GCC_VERSION <= 50000
#pragma GCC diagnostic pop
#endif
// ADC
#ifdef DIDR2
#define HAL_ANALOG_SELECT(ind) do{ if (ind < 8) SBI(DIDR0, ind); else SBI(DIDR2, ind & 0x07); }while(0)
#else
#define HAL_ANALOG_SELECT(ind) SBI(DIDR0, ind);
#endif
inline void HAL_adc_init() {
ADCSRA = _BV(ADEN) | _BV(ADSC) | _BV(ADIF) | 0x07;
DIDR0 = 0;
#ifdef DIDR2
DIDR2 = 0;
#endif
}
#define SET_ADMUX_ADCSRA(ch) ADMUX = _BV(REFS0) | (ch & 0x07); SBI(ADCSRA, ADSC)
#ifdef MUX5
#define HAL_START_ADC(ch) if (ch > 7) ADCSRB = _BV(MUX5); else ADCSRB = 0; SET_ADMUX_ADCSRA(ch)
#else
#define HAL_START_ADC(ch) ADCSRB = 0; SET_ADMUX_ADCSRA(ch)
#endif
#define HAL_ADC_VREF 5.0
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() ADC
#define HAL_ADC_READY() !TEST(ADCSRA, ADSC)
#define GET_PIN_MAP_PIN(index) index
#define GET_PIN_MAP_INDEX(pin) pin
#define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
#define HAL_SENSITIVE_PINS 0, 1
#ifdef __AVR_AT90USB1286__
#define JTAG_DISABLE() do{ MCUCR = 0x80; MCUCR = 0x80; }while(0)
#endif
// AVR compatibility
#define strtof strtod
#define HAL_CAN_SET_PWM_FREQ // This HAL supports PWM Frequency adjustment
/**
* set_pwm_frequency
* Sets the frequency of the timer corresponding to the provided pin
* as close as possible to the provided desired frequency. Internally
* calculates the required waveform generation mode, prescaler and
* resolution values required and sets the timer registers accordingly.
* NOTE that the frequency is applied to all pins on the timer (Ex OC3A, OC3B and OC3B)
* NOTE that there are limitations, particularly if using TIMER2. (see Configuration_adv.h -> FAST FAN PWM Settings)
*/
void set_pwm_frequency(const pin_t pin, int f_desired);
/**
* set_pwm_duty
* Sets the PWM duty cycle of the provided pin to the provided value
* Optionally allows inverting the duty cycle [default = false]
* Optionally allows changing the maximum size of the provided value to enable finer PWM duty control [default = 255]
*/
void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255, const bool invert=false);
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