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MarlinFirmware/Marlin/src/HAL/HAL_LPC1768/HAL.h

145 lines
4.0 KiB
C

/**
* Marlin 3D Printer Firmware
*
* Copyright (C) 2016 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/>.
*
*/
/**
* Description: HAL for Arduino Due and compatible (SAM3X8E)
*
* For ARDUINO_ARCH_SAM
*/
#ifndef _HAL_LPC1768_H
#define _HAL_LPC1768_H
// --------------------------------------------------------------------------
// Includes
// --------------------------------------------------------------------------
#include <stdint.h>
#include <stdarg.h>
#undef min
#undef max
#include <algorithm>
void _printf (const char *format, ...);
void _putc(uint8_t c);
uint8_t _getc();
extern "C" volatile uint32_t _millis;
//arduino: Print.h
#define DEC 10
#define HEX 16
#define OCT 8
#define BIN 2
//arduino: binary.h (weird defines)
#define B01 1
#define B10 2
#include "include/Arduino.h"
#include "pinmapping.h"
#include "fastio.h"
#include "watchdog.h"
#include "serial.h"
#include "HAL_timers.h"
#include "HardwareSerial.h"
#define ST7920_DELAY_1 DELAY_20_NOP;DELAY_20_NOP;DELAY_20_NOP
#define ST7920_DELAY_2 DELAY_20_NOP;DELAY_20_NOP;DELAY_20_NOP;DELAY_10_NOP;DELAY_5_NOP
#define ST7920_DELAY_3 DELAY_20_NOP;DELAY_20_NOP;DELAY_20_NOP;DELAY_10_NOP;DELAY_5_NOP
extern HalSerial usb_serial;
#if !WITHIN(SERIAL_PORT, -1, 3)
#error "SERIAL_PORT must be from -1 to 3"
#endif
#if SERIAL_PORT == -1
#define MYSERIAL0 usb_serial
#elif SERIAL_PORT == 0
extern HardwareSerial Serial;
#define MYSERIAL0 Serial
#elif SERIAL_PORT == 1
extern HardwareSerial Serial1;
#define MYSERIAL0 Serial1
#elif SERIAL_PORT == 2
extern HardwareSerial Serial2;
#define MYSERIAL0 Serial2
#elif SERIAL_PORT == 3
#define MYSERIAL0 Serial3
extern HardwareSerial Serial3;
#endif
#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
#if SERIAL_PORT_2 == -1
#define MYSERIAL1 usb_serial
#elif SERIAL_PORT_2 == 0
extern HardwareSerial Serial;
#define MYSERIAL1 Serial
#elif SERIAL_PORT_2 == 1
extern HardwareSerial Serial1;
#define MYSERIAL1 Serial1
#elif SERIAL_PORT_2 == 2
extern HardwareSerial Serial2;
#define MYSERIAL1 Serial2
#elif SERIAL_PORT_2 == 3
extern HardwareSerial Serial3;
#define MYSERIAL1 Serial3
#endif
#else
#define NUM_SERIAL 1
#endif
#define CRITICAL_SECTION_START uint32_t primask = __get_PRIMASK(); __disable_irq();
#define CRITICAL_SECTION_END if (!primask) __enable_irq();
//Utility functions
int freeMemory(void);
// SPI: Extended functions which take 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);
// ADC
#define HAL_ANALOG_SELECT(pin) HAL_adc_enable_channel(pin)
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_READ_ADC HAL_adc_get_result()
void HAL_adc_init(void);
void HAL_adc_enable_channel(int pin);
void HAL_adc_start_conversion(const uint8_t adc_pin);
uint16_t HAL_adc_get_result(void);
#endif // _HAL_LPC1768_H