From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit
---
Marlin/src/HAL/LINUX/HAL.cpp | 76 ++++++++++++++
Marlin/src/HAL/LINUX/HAL.h | 115 +++++++++++++++++++++
Marlin/src/HAL/LINUX/arduino.cpp | 101 ++++++++++++++++++
Marlin/src/HAL/LINUX/eeprom.cpp | 104 +++++++++++++++++++
Marlin/src/HAL/LINUX/fastio.h | 111 ++++++++++++++++++++
Marlin/src/HAL/LINUX/hardware/Clock.cpp | 31 ++++++
Marlin/src/HAL/LINUX/hardware/Clock.h | 89 ++++++++++++++++
Marlin/src/HAL/LINUX/hardware/Gpio.cpp | 29 ++++++
Marlin/src/HAL/LINUX/hardware/Gpio.h | 141 ++++++++++++++++++++++++++
Marlin/src/HAL/LINUX/hardware/Heater.cpp | 60 +++++++++++
Marlin/src/HAL/LINUX/hardware/Heater.h | 47 +++++++++
Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.cpp | 49 +++++++++
Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.h | 40 ++++++++
Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp | 65 ++++++++++++
Marlin/src/HAL/LINUX/hardware/LinearAxis.h | 45 ++++++++
Marlin/src/HAL/LINUX/hardware/Timer.cpp | 117 +++++++++++++++++++++
Marlin/src/HAL/LINUX/hardware/Timer.h | 76 ++++++++++++++
Marlin/src/HAL/LINUX/inc/Conditionals_LCD.h | 26 +++++
Marlin/src/HAL/LINUX/inc/Conditionals_adv.h | 22 ++++
Marlin/src/HAL/LINUX/inc/Conditionals_post.h | 22 ++++
Marlin/src/HAL/LINUX/inc/SanityCheck.h | 39 +++++++
Marlin/src/HAL/LINUX/include/Arduino.h | 95 +++++++++++++++++
Marlin/src/HAL/LINUX/include/pinmapping.cpp | 69 +++++++++++++
Marlin/src/HAL/LINUX/include/pinmapping.h | 59 +++++++++++
Marlin/src/HAL/LINUX/include/serial.h | 118 +++++++++++++++++++++
Marlin/src/HAL/LINUX/main.cpp | 134 ++++++++++++++++++++++++
Marlin/src/HAL/LINUX/pinsDebug.h | 59 +++++++++++
Marlin/src/HAL/LINUX/servo_private.h | 79 +++++++++++++++
Marlin/src/HAL/LINUX/spi_pins.h | 55 ++++++++++
Marlin/src/HAL/LINUX/timers.cpp | 71 +++++++++++++
Marlin/src/HAL/LINUX/timers.h | 97 ++++++++++++++++++
Marlin/src/HAL/LINUX/watchdog.cpp | 37 +++++++
Marlin/src/HAL/LINUX/watchdog.h | 25 +++++
33 files changed, 2303 insertions(+)
create mode 100644 Marlin/src/HAL/LINUX/HAL.cpp
create mode 100644 Marlin/src/HAL/LINUX/HAL.h
create mode 100644 Marlin/src/HAL/LINUX/arduino.cpp
create mode 100644 Marlin/src/HAL/LINUX/eeprom.cpp
create mode 100644 Marlin/src/HAL/LINUX/fastio.h
create mode 100644 Marlin/src/HAL/LINUX/hardware/Clock.cpp
create mode 100644 Marlin/src/HAL/LINUX/hardware/Clock.h
create mode 100644 Marlin/src/HAL/LINUX/hardware/Gpio.cpp
create mode 100644 Marlin/src/HAL/LINUX/hardware/Gpio.h
create mode 100644 Marlin/src/HAL/LINUX/hardware/Heater.cpp
create mode 100644 Marlin/src/HAL/LINUX/hardware/Heater.h
create mode 100644 Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.cpp
create mode 100644 Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.h
create mode 100644 Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp
create mode 100644 Marlin/src/HAL/LINUX/hardware/LinearAxis.h
create mode 100644 Marlin/src/HAL/LINUX/hardware/Timer.cpp
create mode 100644 Marlin/src/HAL/LINUX/hardware/Timer.h
create mode 100644 Marlin/src/HAL/LINUX/inc/Conditionals_LCD.h
create mode 100644 Marlin/src/HAL/LINUX/inc/Conditionals_adv.h
create mode 100644 Marlin/src/HAL/LINUX/inc/Conditionals_post.h
create mode 100644 Marlin/src/HAL/LINUX/inc/SanityCheck.h
create mode 100644 Marlin/src/HAL/LINUX/include/Arduino.h
create mode 100644 Marlin/src/HAL/LINUX/include/pinmapping.cpp
create mode 100644 Marlin/src/HAL/LINUX/include/pinmapping.h
create mode 100644 Marlin/src/HAL/LINUX/include/serial.h
create mode 100644 Marlin/src/HAL/LINUX/main.cpp
create mode 100644 Marlin/src/HAL/LINUX/pinsDebug.h
create mode 100644 Marlin/src/HAL/LINUX/servo_private.h
create mode 100644 Marlin/src/HAL/LINUX/spi_pins.h
create mode 100644 Marlin/src/HAL/LINUX/timers.cpp
create mode 100644 Marlin/src/HAL/LINUX/timers.h
create mode 100644 Marlin/src/HAL/LINUX/watchdog.cpp
create mode 100644 Marlin/src/HAL/LINUX/watchdog.h
(limited to 'Marlin/src/HAL/LINUX')
diff --git a/Marlin/src/HAL/LINUX/HAL.cpp b/Marlin/src/HAL/LINUX/HAL.cpp
new file mode 100644
index 0000000..771f1d2
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/HAL.cpp
@@ -0,0 +1,76 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "../../inc/MarlinConfig.h"
+#include "../shared/Delay.h"
+
+MSerialT usb_serial(TERN0(EMERGENCY_PARSER, true));
+
+// U8glib required functions
+extern "C" {
+ void u8g_xMicroDelay(uint16_t val) { DELAY_US(val); }
+ void u8g_MicroDelay() { u8g_xMicroDelay(1); }
+ void u8g_10MicroDelay() { u8g_xMicroDelay(10); }
+ void u8g_Delay(uint16_t val) { delay(val); }
+}
+
+//************************//
+
+// return free heap space
+int freeMemory() {
+ return 0;
+}
+
+// ------------------------
+// ADC
+// ------------------------
+
+void HAL_adc_init() {
+
+}
+
+void HAL_adc_enable_channel(const uint8_t ch) {
+
+}
+
+uint8_t active_ch = 0;
+void HAL_adc_start_conversion(const uint8_t ch) {
+ active_ch = ch;
+}
+
+bool HAL_adc_finished() {
+ return true;
+}
+
+uint16_t HAL_adc_get_result() {
+ pin_t pin = analogInputToDigitalPin(active_ch);
+ if (!VALID_PIN(pin)) return 0;
+ uint16_t data = ((Gpio::get(pin) >> 2) & 0x3FF);
+ return data; // return 10bit value as Marlin expects
+}
+
+void HAL_pwm_init() {
+
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/HAL.h b/Marlin/src/HAL/LINUX/HAL.h
new file mode 100644
index 0000000..e4f4dd3
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/HAL.h
@@ -0,0 +1,115 @@
+/**
+ * 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
+
+#define CPU_32_BIT
+
+#define F_CPU 100000000UL
+#define SystemCoreClock F_CPU
+#include
+#include
+#include
+
+#undef min
+#undef max
+
+#include
+
+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 "hardware/Clock.h"
+
+#include "../shared/Marduino.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+#include "fastio.h"
+#include "watchdog.h"
+#include "serial.h"
+
+#define SHARED_SERVOS HAS_SERVOS
+
+extern MSerialT usb_serial;
+#define MYSERIAL0 usb_serial
+
+#define ST7920_DELAY_1 DELAY_NS(600)
+#define ST7920_DELAY_2 DELAY_NS(750)
+#define ST7920_DELAY_3 DELAY_NS(750)
+
+//
+// Interrupts
+//
+#define CRITICAL_SECTION_START()
+#define CRITICAL_SECTION_END()
+#define ISRS_ENABLED()
+#define ENABLE_ISRS()
+#define DISABLE_ISRS()
+
+inline void HAL_init() {}
+
+// Utility functions
+#if GCC_VERSION <= 50000
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wunused-function"
+#endif
+
+int freeMemory();
+
+#if GCC_VERSION <= 50000
+ #pragma GCC diagnostic pop
+#endif
+
+// ADC
+#define HAL_ADC_VREF 5.0
+#define HAL_ADC_RESOLUTION 10
+#define HAL_ANALOG_SELECT(ch) HAL_adc_enable_channel(ch)
+#define HAL_START_ADC(ch) HAL_adc_start_conversion(ch)
+#define HAL_READ_ADC() HAL_adc_get_result()
+#define HAL_ADC_READY() true
+
+void HAL_adc_init();
+void HAL_adc_enable_channel(const uint8_t ch);
+void HAL_adc_start_conversion(const uint8_t ch);
+uint16_t HAL_adc_get_result();
+
+// Reset source
+inline void HAL_clear_reset_source(void) {}
+inline uint8_t HAL_get_reset_source(void) { return RST_POWER_ON; }
+
+inline void HAL_reboot() {} // reboot the board or restart the bootloader
+
+/* ---------------- Delay in cycles */
+FORCE_INLINE static void DELAY_CYCLES(uint64_t x) {
+ Clock::delayCycles(x);
+}
diff --git a/Marlin/src/HAL/LINUX/arduino.cpp b/Marlin/src/HAL/LINUX/arduino.cpp
new file mode 100644
index 0000000..4b56d02
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/arduino.cpp
@@ -0,0 +1,101 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include
+#include "../../inc/MarlinConfig.h"
+#include "hardware/Clock.h"
+#include "../shared/Delay.h"
+
+// Interrupts
+void cli() { } // Disable
+void sei() { } // Enable
+
+// Time functions
+void _delay_ms(const int delay_ms) {
+ delay(delay_ms);
+}
+
+uint32_t millis() {
+ return (uint32_t)Clock::millis();
+}
+
+// This is required for some Arduino libraries we are using
+void delayMicroseconds(uint32_t us) {
+ Clock::delayMicros(us);
+}
+
+extern "C" void delay(const int msec) {
+ Clock::delayMillis(msec);
+}
+
+// IO functions
+// As defined by Arduino INPUT(0x0), OUTPUT(0x1), INPUT_PULLUP(0x2)
+void pinMode(const pin_t pin, const uint8_t mode) {
+ if (!VALID_PIN(pin)) return;
+ Gpio::setMode(pin, mode);
+}
+
+void digitalWrite(pin_t pin, uint8_t pin_status) {
+ if (!VALID_PIN(pin)) return;
+ Gpio::set(pin, pin_status);
+}
+
+bool digitalRead(pin_t pin) {
+ if (!VALID_PIN(pin)) return false;
+ return Gpio::get(pin);
+}
+
+void analogWrite(pin_t pin, int pwm_value) { // 1 - 254: pwm_value, 0: LOW, 255: HIGH
+ if (!VALID_PIN(pin)) return;
+ Gpio::set(pin, pwm_value);
+}
+
+uint16_t analogRead(pin_t adc_pin) {
+ if (!VALID_PIN(DIGITAL_PIN_TO_ANALOG_PIN(adc_pin))) return 0;
+ return Gpio::get(DIGITAL_PIN_TO_ANALOG_PIN(adc_pin));
+}
+
+char *dtostrf(double __val, signed char __width, unsigned char __prec, char *__s) {
+ char format_string[20];
+ snprintf(format_string, 20, "%%%d.%df", __width, __prec);
+ sprintf(__s, format_string, __val);
+ return __s;
+}
+
+int32_t random(int32_t max) {
+ return rand() % max;
+}
+
+int32_t random(int32_t min, int32_t max) {
+ return min + rand() % (max - min);
+}
+
+void randomSeed(uint32_t value) {
+ srand(value);
+}
+
+int map(uint16_t x, uint16_t in_min, uint16_t in_max, uint16_t out_min, uint16_t out_max) {
+ return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/eeprom.cpp b/Marlin/src/HAL/LINUX/eeprom.cpp
new file mode 100644
index 0000000..532f323
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/eeprom.cpp
@@ -0,0 +1,104 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(EEPROM_SETTINGS)
+
+#include "../shared/eeprom_api.h"
+#include
+
+#ifndef MARLIN_EEPROM_SIZE
+ #define MARLIN_EEPROM_SIZE 0x1000 // 4KB of Emulated EEPROM
+#endif
+
+uint8_t buffer[MARLIN_EEPROM_SIZE];
+char filename[] = "eeprom.dat";
+
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
+
+bool PersistentStore::access_start() {
+ const char eeprom_erase_value = 0xFF;
+ FILE * eeprom_file = fopen(filename, "rb");
+ if (!eeprom_file) return false;
+
+ fseek(eeprom_file, 0L, SEEK_END);
+ std::size_t file_size = ftell(eeprom_file);
+
+ if (file_size < MARLIN_EEPROM_SIZE) {
+ memset(buffer + file_size, eeprom_erase_value, MARLIN_EEPROM_SIZE - file_size);
+ }
+ else {
+ fseek(eeprom_file, 0L, SEEK_SET);
+ fread(buffer, sizeof(uint8_t), sizeof(buffer), eeprom_file);
+ }
+
+ fclose(eeprom_file);
+ return true;
+}
+
+bool PersistentStore::access_finish() {
+ FILE * eeprom_file = fopen(filename, "wb");
+ if (!eeprom_file) return false;
+ fwrite(buffer, sizeof(uint8_t), sizeof(buffer), eeprom_file);
+ fclose(eeprom_file);
+ return true;
+}
+
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
+ std::size_t bytes_written = 0;
+
+ for (std::size_t i = 0; i < size; i++) {
+ buffer[pos+i] = value[i];
+ bytes_written ++;
+ }
+
+ crc16(crc, value, size);
+ pos = pos + size;
+ return (bytes_written != size); // return true for any error
+}
+
+bool PersistentStore::read_data(int &pos, uint8_t *value, const size_t size, uint16_t *crc, const bool writing/*=true*/) {
+ std::size_t bytes_read = 0;
+ if (writing) {
+ for (std::size_t i = 0; i < size; i++) {
+ value[i] = buffer[pos+i];
+ bytes_read ++;
+ }
+ crc16(crc, value, size);
+ }
+ else {
+ uint8_t temp[size];
+ for (std::size_t i = 0; i < size; i++) {
+ temp[i] = buffer[pos+i];
+ bytes_read ++;
+ }
+ crc16(crc, temp, size);
+ }
+
+ pos = pos + size;
+ return bytes_read != size; // return true for any error
+}
+
+#endif // EEPROM_SETTINGS
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/fastio.h b/Marlin/src/HAL/LINUX/fastio.h
new file mode 100644
index 0000000..4567c62
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/fastio.h
@@ -0,0 +1,111 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+/**
+ * Fast I/O Routines for X86_64
+ */
+
+#include "../shared/Marduino.h"
+#include
+
+#define SET_DIR_INPUT(IO) Gpio::setDir(IO, 1)
+#define SET_DIR_OUTPUT(IO) Gpio::setDir(IO, 0)
+
+#define SET_MODE(IO, mode) Gpio::setMode(IO, mode)
+
+#define WRITE_PIN_SET(IO) Gpio::set(IO)
+#define WRITE_PIN_CLR(IO) Gpio::clear(IO)
+
+#define READ_PIN(IO) Gpio::get(IO)
+#define WRITE_PIN(IO,V) Gpio::set(IO, V)
+
+/**
+ * Magic I/O routines
+ *
+ * Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
+ *
+ * Why double up on these macros? see https://gcc.gnu.org/onlinedocs/gcc-4.8.5/cpp/Stringification.html
+ */
+
+/// Read a pin
+#define _READ(IO) READ_PIN(IO)
+
+/// Write to a pin
+#define _WRITE(IO,V) WRITE_PIN(IO,V)
+
+/// toggle a pin
+#define _TOGGLE(IO) _WRITE(IO, !READ(IO))
+
+/// set pin as input
+#define _SET_INPUT(IO) SET_DIR_INPUT(IO)
+
+/// set pin as output
+#define _SET_OUTPUT(IO) SET_DIR_OUTPUT(IO)
+
+/// set pin as input with pullup mode
+#define _PULLUP(IO,V) pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
+
+/// set pin as input with pulldown mode
+#define _PULLDOWN(IO,V) pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT)
+
+// hg42: all pins can be input or output (I hope)
+// hg42: undefined pins create compile error (IO, is no pin)
+// hg42: currently not used, but was used by pinsDebug
+
+/// check if pin is an input
+#define _IS_INPUT(IO) (LPC1768_PIN_PIN(IO) >= 0)
+
+/// check if pin is an output
+#define _IS_OUTPUT(IO) (LPC1768_PIN_PIN(IO) >= 0)
+
+/// Read a pin wrapper
+#define READ(IO) _READ(IO)
+
+/// Write to a pin wrapper
+#define WRITE(IO,V) _WRITE(IO,V)
+
+/// toggle a pin wrapper
+#define TOGGLE(IO) _TOGGLE(IO)
+
+/// set pin as input wrapper
+#define SET_INPUT(IO) _SET_INPUT(IO)
+/// set pin as input with pullup wrapper
+#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
+/// set pin as input with pulldown wrapper
+#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
+/// set pin as output wrapper - reads the pin and sets the output to that value
+#define SET_OUTPUT(IO) do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)
+// set pin as PWM
+#define SET_PWM(IO) SET_OUTPUT(IO)
+
+/// check if pin is an input wrapper
+#define IS_INPUT(IO) _IS_INPUT(IO)
+/// check if pin is an output wrapper
+#define IS_OUTPUT(IO) _IS_OUTPUT(IO)
+
+// Shorthand
+#define OUT_WRITE(IO,V) do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
+
+// digitalRead/Write wrappers
+#define extDigitalRead(IO) digitalRead(IO)
+#define extDigitalWrite(IO,V) digitalWrite(IO,V)
diff --git a/Marlin/src/HAL/LINUX/hardware/Clock.cpp b/Marlin/src/HAL/LINUX/hardware/Clock.cpp
new file mode 100644
index 0000000..1984a4a
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Clock.cpp
@@ -0,0 +1,31 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "../../../inc/MarlinConfig.h"
+#include "Clock.h"
+
+std::chrono::nanoseconds Clock::startup = std::chrono::high_resolution_clock::now().time_since_epoch();
+uint32_t Clock::frequency = F_CPU;
+double Clock::time_multiplier = 1.0;
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/hardware/Clock.h b/Marlin/src/HAL/LINUX/hardware/Clock.h
new file mode 100644
index 0000000..072eacf
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Clock.h
@@ -0,0 +1,89 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include
+#include
+
+class Clock {
+public:
+ static uint64_t ticks(uint32_t frequency = Clock::frequency) {
+ return (Clock::nanos() - Clock::startup.count()) / (1000000000ULL / frequency);
+ }
+
+ static uint64_t nanosToTicks(uint64_t ns, uint32_t frequency = Clock::frequency) {
+ return ns / (1000000000ULL / frequency);
+ }
+
+ // Time acceleration compensated
+ static uint64_t ticksToNanos(uint64_t tick, uint32_t frequency = Clock::frequency) {
+ return (tick * (1000000000ULL / frequency)) / Clock::time_multiplier;
+ }
+
+ static void setFrequency(uint32_t freq) {
+ Clock::frequency = freq;
+ }
+
+ // Time Acceleration compensated
+ static uint64_t nanos() {
+ auto now = std::chrono::high_resolution_clock::now().time_since_epoch();
+ return (now.count() - Clock::startup.count()) * Clock::time_multiplier;
+ }
+
+ static uint64_t micros() {
+ return Clock::nanos() / 1000;
+ }
+
+ static uint64_t millis() {
+ return Clock::micros() / 1000;
+ }
+
+ static double seconds() {
+ return Clock::nanos() / 1000000000.0;
+ }
+
+ static void delayCycles(uint64_t cycles) {
+ std::this_thread::sleep_for(std::chrono::nanoseconds( (1000000000L / frequency) * cycles) / Clock::time_multiplier );
+ }
+
+ static void delayMicros(uint64_t micros) {
+ std::this_thread::sleep_for(std::chrono::microseconds( micros ) / Clock::time_multiplier);
+ }
+
+ static void delayMillis(uint64_t millis) {
+ std::this_thread::sleep_for(std::chrono::milliseconds( millis ) / Clock::time_multiplier);
+ }
+
+ static void delaySeconds(double secs) {
+ std::this_thread::sleep_for(std::chrono::duration(secs * 1000) / Clock::time_multiplier);
+ }
+
+ // Will reduce timer resolution increasing likelihood of overflows
+ static void setTimeMultiplier(double tm) {
+ Clock::time_multiplier = tm;
+ }
+
+private:
+ static std::chrono::nanoseconds startup;
+ static uint32_t frequency;
+ static double time_multiplier;
+};
diff --git a/Marlin/src/HAL/LINUX/hardware/Gpio.cpp b/Marlin/src/HAL/LINUX/hardware/Gpio.cpp
new file mode 100644
index 0000000..61a7be7
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Gpio.cpp
@@ -0,0 +1,29 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "Gpio.h"
+
+pin_data Gpio::pin_map[Gpio::pin_count+1] = {};
+IOLogger* Gpio::logger = nullptr;
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/hardware/Gpio.h b/Marlin/src/HAL/LINUX/hardware/Gpio.h
new file mode 100644
index 0000000..2d9b1f2
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Gpio.h
@@ -0,0 +1,141 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include "Clock.h"
+#include "../../../inc/MarlinConfigPre.h"
+#include
+
+typedef int16_t pin_type;
+
+struct GpioEvent {
+ enum Type {
+ NOP,
+ FALL,
+ RISE,
+ SET_VALUE,
+ SETM,
+ SETD
+ };
+ uint64_t timestamp;
+ pin_type pin_id;
+ GpioEvent::Type event;
+
+ GpioEvent(uint64_t timestamp, pin_type pin_id, GpioEvent::Type event){
+ this->timestamp = timestamp;
+ this->pin_id = pin_id;
+ this->event = event;
+ }
+};
+
+class IOLogger {
+public:
+ virtual ~IOLogger(){};
+ virtual void log(GpioEvent ev) = 0;
+};
+
+class Peripheral {
+public:
+ virtual ~Peripheral(){};
+ virtual void interrupt(GpioEvent ev) = 0;
+ virtual void update() = 0;
+};
+
+struct pin_data {
+ uint8_t dir;
+ uint8_t mode;
+ uint16_t value;
+ Peripheral* cb;
+};
+
+class Gpio {
+public:
+
+ static const pin_type pin_count = 255;
+ static pin_data pin_map[pin_count+1];
+
+ static bool valid_pin(pin_type pin) {
+ return pin >= 0 && pin <= pin_count;
+ }
+
+ static void set(pin_type pin) {
+ set(pin, 1);
+ }
+
+ static void set(pin_type pin, uint16_t value) {
+ if (!valid_pin(pin)) return;
+ GpioEvent::Type evt_type = value > 1 ? GpioEvent::SET_VALUE : value > pin_map[pin].value ? GpioEvent::RISE : value < pin_map[pin].value ? GpioEvent::FALL : GpioEvent::NOP;
+ pin_map[pin].value = value;
+ GpioEvent evt(Clock::nanos(), pin, evt_type);
+ if (pin_map[pin].cb) {
+ pin_map[pin].cb->interrupt(evt);
+ }
+ if (Gpio::logger) Gpio::logger->log(evt);
+ }
+
+ static uint16_t get(pin_type pin) {
+ if (!valid_pin(pin)) return 0;
+ return pin_map[pin].value;
+ }
+
+ static void clear(pin_type pin) {
+ set(pin, 0);
+ }
+
+ static void setMode(pin_type pin, uint8_t value) {
+ if (!valid_pin(pin)) return;
+ pin_map[pin].mode = value;
+ GpioEvent evt(Clock::nanos(), pin, GpioEvent::Type::SETM);
+ if (pin_map[pin].cb) pin_map[pin].cb->interrupt(evt);
+ if (Gpio::logger) Gpio::logger->log(evt);
+ }
+
+ static uint8_t getMode(pin_type pin) {
+ if (!valid_pin(pin)) return 0;
+ return pin_map[pin].mode;
+ }
+
+ static void setDir(pin_type pin, uint8_t value) {
+ if (!valid_pin(pin)) return;
+ pin_map[pin].dir = value;
+ GpioEvent evt(Clock::nanos(), pin, GpioEvent::Type::SETD);
+ if (pin_map[pin].cb) pin_map[pin].cb->interrupt(evt);
+ if (Gpio::logger) Gpio::logger->log(evt);
+ }
+
+ static uint8_t getDir(pin_type pin) {
+ if (!valid_pin(pin)) return 0;
+ return pin_map[pin].dir;
+ }
+
+ static void attachPeripheral(pin_type pin, Peripheral* per) {
+ if (!valid_pin(pin)) return;
+ pin_map[pin].cb = per;
+ }
+
+ static void attachLogger(IOLogger* logger) {
+ Gpio::logger = logger;
+ }
+
+private:
+ static IOLogger* logger;
+};
diff --git a/Marlin/src/HAL/LINUX/hardware/Heater.cpp b/Marlin/src/HAL/LINUX/hardware/Heater.cpp
new file mode 100644
index 0000000..70df816
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Heater.cpp
@@ -0,0 +1,60 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "Clock.h"
+#include
+#include "../../../inc/MarlinConfig.h"
+
+#include "Heater.h"
+
+Heater::Heater(pin_t heater, pin_t adc) {
+ heater_state = 0;
+ room_temp_raw = 150;
+ last = Clock::micros();
+ heater_pin = heater;
+ adc_pin = adc;
+ heat = 0.0;
+}
+
+Heater::~Heater() {
+}
+
+void Heater::update() {
+ // crude pwm read and cruder heat simulation
+ auto now = Clock::micros();
+ double delta = (now - last);
+ if (delta > 1000 ) {
+ heater_state = pwmcap.update(0xFFFF * Gpio::pin_map[heater_pin].value);
+ last = now;
+ heat += (heater_state - heat) * (delta / 1000000000.0);
+
+ NOLESS(heat, room_temp_raw);
+ Gpio::pin_map[analogInputToDigitalPin(adc_pin)].value = 0xFFFF - (uint16_t)heat;
+ }
+}
+
+void Heater::interrupt(GpioEvent ev) {
+ // ununsed
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/hardware/Heater.h b/Marlin/src/HAL/LINUX/hardware/Heater.h
new file mode 100644
index 0000000..b17078d
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Heater.h
@@ -0,0 +1,47 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include "Gpio.h"
+
+struct LowpassFilter {
+ uint64_t data_delay = 0;
+ uint16_t update(uint16_t value) {
+ data_delay = data_delay - (data_delay >> 6) + value;
+ return (uint16_t)(data_delay >> 6);
+ }
+};
+
+class Heater: public Peripheral {
+public:
+ Heater(pin_t heater, pin_t adc);
+ virtual ~Heater();
+ void interrupt(GpioEvent ev);
+ void update();
+
+ pin_t heater_pin, adc_pin;
+ uint16_t room_temp_raw;
+ uint16_t heater_state;
+ LowpassFilter pwmcap;
+ double heat;
+ uint64_t last;
+};
diff --git a/Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.cpp b/Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.cpp
new file mode 100644
index 0000000..c11fd1f
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.cpp
@@ -0,0 +1,49 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "IOLoggerCSV.h"
+
+IOLoggerCSV::IOLoggerCSV(std::string filename) {
+ file.open(filename);
+}
+
+IOLoggerCSV::~IOLoggerCSV() {
+ file.close();
+}
+
+void IOLoggerCSV::log(GpioEvent ev) {
+ std::lock_guard lock(vector_lock);
+ events.push_back(ev); //minimal impact to signal handler
+}
+
+void IOLoggerCSV::flush() {
+ { std::lock_guard lock(vector_lock);
+ while (!events.empty()) {
+ file << events.front().timestamp << ", "<< events.front().pin_id << ", " << events.front().event << std::endl;
+ events.pop_front();
+ }
+ }
+ file.flush();
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.h b/Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.h
new file mode 100644
index 0000000..d8fe738
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.h
@@ -0,0 +1,40 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include
+#include
+#include
+#include "Gpio.h"
+
+class IOLoggerCSV: public IOLogger {
+public:
+ IOLoggerCSV(std::string filename);
+ virtual ~IOLoggerCSV();
+ void flush();
+ void log(GpioEvent ev);
+
+private:
+ std::ofstream file;
+ std::list events;
+ std::mutex vector_lock;
+};
diff --git a/Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp b/Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp
new file mode 100644
index 0000000..c5b3ccc
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp
@@ -0,0 +1,65 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include
+#include
+#include "Clock.h"
+#include "LinearAxis.h"
+
+LinearAxis::LinearAxis(pin_type enable, pin_type dir, pin_type step, pin_type end_min, pin_type end_max) {
+ enable_pin = enable;
+ dir_pin = dir;
+ step_pin = step;
+ min_pin = end_min;
+ max_pin = end_max;
+
+ min_position = 50;
+ max_position = (200*80) + min_position;
+ position = rand() % ((max_position - 40) - min_position) + (min_position + 20);
+ last_update = Clock::nanos();
+
+ Gpio::attachPeripheral(step_pin, this);
+
+}
+
+LinearAxis::~LinearAxis() {
+
+}
+
+void LinearAxis::update() {
+
+}
+
+void LinearAxis::interrupt(GpioEvent ev) {
+ if (ev.pin_id == step_pin && !Gpio::pin_map[enable_pin].value){
+ if (ev.event == GpioEvent::RISE) {
+ last_update = ev.timestamp;
+ position += -1 + 2 * Gpio::pin_map[dir_pin].value;
+ Gpio::pin_map[min_pin].value = (position < min_position);
+ //Gpio::pin_map[max_pin].value = (position > max_position);
+ //if (position < min_position) printf("axis(%d) endstop : pos: %d, mm: %f, min: %d\n", step_pin, position, position / 80.0, Gpio::pin_map[min_pin].value);
+ }
+ }
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/hardware/LinearAxis.h b/Marlin/src/HAL/LINUX/hardware/LinearAxis.h
new file mode 100644
index 0000000..34541e7
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/LinearAxis.h
@@ -0,0 +1,45 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include
+#include "Gpio.h"
+
+class LinearAxis: public Peripheral {
+public:
+ LinearAxis(pin_type enable, pin_type dir, pin_type step, pin_type end_min, pin_type end_max);
+ virtual ~LinearAxis();
+ void update();
+ void interrupt(GpioEvent ev);
+
+ pin_type enable_pin;
+ pin_type dir_pin;
+ pin_type step_pin;
+ pin_type min_pin;
+ pin_type max_pin;
+
+ int32_t position;
+ int32_t min_position;
+ int32_t max_position;
+ uint64_t last_update;
+
+};
diff --git a/Marlin/src/HAL/LINUX/hardware/Timer.cpp b/Marlin/src/HAL/LINUX/hardware/Timer.cpp
new file mode 100644
index 0000000..9f0d6a8
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Timer.cpp
@@ -0,0 +1,117 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "Timer.h"
+#include
+
+Timer::Timer() {
+ active = false;
+ compare = 0;
+ frequency = 0;
+ overruns = 0;
+ timerid = 0;
+ cbfn = nullptr;
+ period = 0;
+ start_time = 0;
+ avg_error = 0;
+}
+
+Timer::~Timer() {
+ timer_delete(timerid);
+}
+
+void Timer::init(uint32_t sig_id, uint32_t sim_freq, callback_fn* fn) {
+ struct sigaction sa;
+ struct sigevent sev;
+
+ frequency = sim_freq;
+ cbfn = fn;
+
+ sa.sa_flags = SA_SIGINFO;
+ sa.sa_sigaction = Timer::handler;
+ sigemptyset(&sa.sa_mask);
+ if (sigaction(SIGRTMIN, &sa, nullptr) == -1) {
+ return; // todo: handle error
+ }
+
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGRTMIN);
+
+ disable();
+
+ sev.sigev_notify = SIGEV_SIGNAL;
+ sev.sigev_signo = SIGRTMIN;
+ sev.sigev_value.sival_ptr = (void*)this;
+ if (timer_create(CLOCK_REALTIME, &sev, &timerid) == -1) {
+ return; // todo: handle error
+ }
+}
+
+void Timer::start(uint32_t frequency) {
+ setCompare(this->frequency / frequency);
+ //printf("timer(%ld) started\n", getID());
+}
+
+void Timer::enable() {
+ if (sigprocmask(SIG_UNBLOCK, &mask, nullptr) == -1) {
+ return; // todo: handle error
+ }
+ active = true;
+ //printf("timer(%ld) enabled\n", getID());
+}
+
+void Timer::disable() {
+ if (sigprocmask(SIG_SETMASK, &mask, nullptr) == -1) {
+ return; // todo: handle error
+ }
+ active = false;
+}
+
+void Timer::setCompare(uint32_t compare) {
+ uint32_t nsec_offset = 0;
+ if (active) {
+ nsec_offset = Clock::nanos() - this->start_time; // calculate how long the timer would have been running for
+ nsec_offset = nsec_offset < 1000 ? nsec_offset : 0; // constrain, this shouldn't be needed but apparently Marlin enables interrupts on the stepper timer before initialising it, todo: investigate ?bug?
+ }
+ this->compare = compare;
+ uint64_t ns = Clock::ticksToNanos(compare, frequency) - nsec_offset;
+ struct itimerspec its;
+ its.it_value.tv_sec = ns / 1000000000;
+ its.it_value.tv_nsec = ns % 1000000000;
+ its.it_interval.tv_sec = its.it_value.tv_sec;
+ its.it_interval.tv_nsec = its.it_value.tv_nsec;
+
+ if (timer_settime(timerid, 0, &its, nullptr) == -1) {
+ printf("timer(%ld) failed, compare: %d(%ld)\n", getID(), compare, its.it_value.tv_nsec);
+ return; // todo: handle error
+ }
+ //printf("timer(%ld) started, compare: %d(%d)\n", getID(), compare, its.it_value.tv_nsec);
+ this->period = its.it_value.tv_nsec;
+ this->start_time = Clock::nanos();
+}
+
+uint32_t Timer::getCount() {
+ return Clock::nanosToTicks(Clock::nanos() - this->start_time, frequency);
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/hardware/Timer.h b/Marlin/src/HAL/LINUX/hardware/Timer.h
new file mode 100644
index 0000000..757efdc
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/hardware/Timer.h
@@ -0,0 +1,76 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include
+#include
+#include
+#include
+#include
+#include
+
+#include "Clock.h"
+
+class Timer {
+public:
+ Timer();
+ virtual ~Timer();
+
+ typedef void (callback_fn)();
+
+ void init(uint32_t sig_id, uint32_t sim_freq, callback_fn* fn);
+ void start(uint32_t frequency);
+ void enable();
+ bool enabled() {return active;}
+ void disable();
+ void setCompare(uint32_t compare);
+ uint32_t getCount();
+ uint32_t getCompare() {return compare;}
+ uint32_t getOverruns() {return overruns;}
+ uint32_t getAvgError() {return avg_error;}
+
+ intptr_t getID() {
+ return (*(intptr_t*)timerid);
+ }
+
+ static void handler(int sig, siginfo_t *si, void *uc){
+ Timer* _this = (Timer*)si->si_value.sival_ptr;
+ _this->avg_error += (Clock::nanos() - _this->start_time) - _this->period; //high_resolution_clock is also limited in precision, but best we have
+ _this->avg_error /= 2; //very crude precision analysis (actually within +-500ns usually)
+ _this->start_time = Clock::nanos(); // wrap
+ _this->cbfn();
+ _this->overruns += timer_getoverrun(_this->timerid); // even at 50Khz this doesn't stay zero, again demonstrating the limitations
+ // using a realtime linux kernel would help somewhat
+ }
+
+private:
+ bool active;
+ uint32_t compare;
+ uint32_t frequency;
+ uint32_t overruns;
+ timer_t timerid;
+ sigset_t mask;
+ callback_fn* cbfn;
+ uint64_t period;
+ uint64_t avg_error;
+ uint64_t start_time;
+};
diff --git a/Marlin/src/HAL/LINUX/inc/Conditionals_LCD.h b/Marlin/src/HAL/LINUX/inc/Conditionals_LCD.h
new file mode 100644
index 0000000..99a6fc2
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/inc/Conditionals_LCD.h
@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#if HAS_SPI_TFT || HAS_FSMC_TFT
+ #error "Sorry! TFT displays are not available for HAL/LINUX."
+#endif
diff --git a/Marlin/src/HAL/LINUX/inc/Conditionals_adv.h b/Marlin/src/HAL/LINUX/inc/Conditionals_adv.h
new file mode 100644
index 0000000..5f1c4b1
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/inc/Conditionals_adv.h
@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
diff --git a/Marlin/src/HAL/LINUX/inc/Conditionals_post.h b/Marlin/src/HAL/LINUX/inc/Conditionals_post.h
new file mode 100644
index 0000000..5f1c4b1
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/inc/Conditionals_post.h
@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
diff --git a/Marlin/src/HAL/LINUX/inc/SanityCheck.h b/Marlin/src/HAL/LINUX/inc/SanityCheck.h
new file mode 100644
index 0000000..84167c9
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/inc/SanityCheck.h
@@ -0,0 +1,39 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+/**
+ * Test X86_64-specific configuration values for errors at compile-time.
+ */
+
+// Emulating RAMPS
+#if ENABLED(SPINDLE_LASER_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
+ #error "SPINDLE_LASER_PWM_PIN must use SERVO0, SERVO1 or SERVO3 connector"
+#endif
+
+#if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_FREQUENCY
+ #error "Features requiring Hardware PWM (FAST_PWM_FAN, SPINDLE_LASER_FREQUENCY) are not yet supported on LINUX."
+#endif
+
+#if HAS_TMC_SW_SERIAL
+ #error "TMC220x Software Serial is not supported on this platform."
+#endif
diff --git a/Marlin/src/HAL/LINUX/include/Arduino.h b/Marlin/src/HAL/LINUX/include/Arduino.h
new file mode 100644
index 0000000..d4086e2
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/include/Arduino.h
@@ -0,0 +1,95 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include
+#include
+#include
+#include
+
+#include
+
+#define HIGH 0x01
+#define LOW 0x00
+
+#define INPUT 0x00
+#define OUTPUT 0x01
+#define INPUT_PULLUP 0x02
+#define INPUT_PULLDOWN 0x03
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define CHANGE 0x02
+#define FALLING 0x03
+#define RISING 0x04
+
+typedef uint8_t byte;
+#define PROGMEM
+#define PSTR(v) (v)
+#define PGM_P const char *
+
+// Used for libraries, preprocessor, and constants
+#define abs(x) ((x)>0?(x):-(x))
+
+#ifndef isnan
+ #define isnan std::isnan
+#endif
+#ifndef isinf
+ #define isinf std::isinf
+#endif
+
+#define sq(v) ((v) * (v))
+#define square(v) sq(v)
+#define constrain(value, arg_min, arg_max) ((value) < (arg_min) ? (arg_min) :((value) > (arg_max) ? (arg_max) : (value)))
+
+//Interrupts
+void cli(); // Disable
+void sei(); // Enable
+void attachInterrupt(uint32_t pin, void (*callback)(), uint32_t mode);
+void detachInterrupt(uint32_t pin);
+
+extern "C" {
+ void GpioEnableInt(uint32_t port, uint32_t pin, uint32_t mode);
+ void GpioDisableInt(uint32_t port, uint32_t pin);
+}
+
+// Time functions
+extern "C" void delay(const int milis);
+void _delay_ms(const int delay);
+void delayMicroseconds(unsigned long);
+uint32_t millis();
+
+//IO functions
+void pinMode(const pin_t, const uint8_t);
+void digitalWrite(pin_t, uint8_t);
+bool digitalRead(pin_t);
+void analogWrite(pin_t, int);
+uint16_t analogRead(pin_t);
+
+int32_t random(int32_t);
+int32_t random(int32_t, int32_t);
+void randomSeed(uint32_t);
+
+char *dtostrf(double __val, signed char __width, unsigned char __prec, char *__s);
+
+int map(uint16_t x, uint16_t in_min, uint16_t in_max, uint16_t out_min, uint16_t out_max);
diff --git a/Marlin/src/HAL/LINUX/include/pinmapping.cpp b/Marlin/src/HAL/LINUX/include/pinmapping.cpp
new file mode 100644
index 0000000..870ab3a
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/include/pinmapping.cpp
@@ -0,0 +1,69 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include
+
+#include "../../../gcode/parser.h"
+
+uint8_t analog_offset = NUM_DIGITAL_PINS - NUM_ANALOG_INPUTS;
+
+// Get the digital pin for an analog index
+pin_t analogInputToDigitalPin(const int8_t p) {
+ return (WITHIN(p, 0, NUM_ANALOG_INPUTS) ? analog_offset + p : P_NC);
+}
+
+// Return the index of a pin number
+int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
+ return pin;
+}
+
+// Test whether the pin is valid
+bool VALID_PIN(const pin_t p) {
+ return WITHIN(p, 0, NUM_DIGITAL_PINS);
+}
+
+// Get the analog index for a digital pin
+int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p) {
+ return (WITHIN(p, analog_offset, NUM_DIGITAL_PINS) ? p - analog_offset : P_NC);
+}
+
+// Test whether the pin is PWM
+bool PWM_PIN(const pin_t p) {
+ return false;
+}
+
+// Test whether the pin is interruptable
+bool INTERRUPT_PIN(const pin_t p) {
+ return false;
+}
+
+// Get the pin number at the given index
+pin_t GET_PIN_MAP_PIN(const int16_t ind) {
+ return ind;
+}
+
+int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
+ return parser.intval(code, dval);
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/include/pinmapping.h b/Marlin/src/HAL/LINUX/include/pinmapping.h
new file mode 100644
index 0000000..98f4b81
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/include/pinmapping.h
@@ -0,0 +1,59 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#include
+#include "../hardware/Gpio.h"
+
+typedef pin_type pin_t;
+
+#define P_NC -1
+constexpr uint16_t NUM_DIGITAL_PINS = Gpio::pin_count;
+constexpr uint8_t NUM_ANALOG_INPUTS = 16;
+
+#define HAL_SENSITIVE_PINS
+
+// Get the digital pin for an analog index
+pin_t analogInputToDigitalPin(const int8_t p);
+
+// Return the index of a pin number
+int16_t GET_PIN_MAP_INDEX(const pin_t pin);
+
+// Test whether the pin is valid
+bool VALID_PIN(const pin_t p);
+
+// Get the analog index for a digital pin
+int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p);
+
+// Test whether the pin is PWM
+bool PWM_PIN(const pin_t p);
+
+// Test whether the pin is interruptable
+bool INTERRUPT_PIN(const pin_t p);
+
+// Get the pin number at the given index
+pin_t GET_PIN_MAP_PIN(const int16_t ind);
+
+// Parse a G-code word into a pin index
+int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);
diff --git a/Marlin/src/HAL/LINUX/include/serial.h b/Marlin/src/HAL/LINUX/include/serial.h
new file mode 100644
index 0000000..2585be2
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/include/serial.h
@@ -0,0 +1,118 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include "../../../inc/MarlinConfigPre.h"
+#if ENABLED(EMERGENCY_PARSER)
+ #include "../../../feature/e_parser.h"
+#endif
+#include "../../../core/serial_hook.h"
+
+#include
+#include
+
+/**
+ * Generic RingBuffer
+ * T type of the buffer array
+ * S size of the buffer (must be power of 2)
+ */
+template class RingBuffer {
+public:
+ RingBuffer() { index_read = index_write = 0; }
+ uint32_t available() volatile { return index_write - index_read; }
+ uint32_t free() volatile { return buffer_size - available(); }
+ bool empty() volatile { return index_read == index_write; }
+ bool full() volatile { return available() == buffer_size; }
+ void clear() volatile { index_read = index_write = 0; }
+
+ bool peek(T *value) volatile {
+ if (value == 0 || available() == 0)
+ return false;
+ *value = buffer[mask(index_read)];
+ return true;
+ }
+
+ int read() volatile {
+ if (empty()) return -1;
+ return buffer[mask(index_read++)];
+ }
+
+ bool write(T value) volatile {
+ if (full()) return false;
+ buffer[mask(index_write++)] = value;
+ return true;
+ }
+
+private:
+ uint32_t mask(uint32_t val) volatile {
+ return buffer_mask & val;
+ }
+
+ static const uint32_t buffer_size = S;
+ static const uint32_t buffer_mask = buffer_size - 1;
+ volatile T buffer[buffer_size];
+ volatile uint32_t index_write;
+ volatile uint32_t index_read;
+};
+
+struct HalSerial {
+ HalSerial() { host_connected = true; }
+
+ void begin(int32_t) {}
+ void end() {}
+
+ int peek() {
+ uint8_t value;
+ return receive_buffer.peek(&value) ? value : -1;
+ }
+
+ int read() { return receive_buffer.read(); }
+
+ size_t write(char c) {
+ if (!host_connected) return 0;
+ while (!transmit_buffer.free());
+ return transmit_buffer.write(c);
+ }
+
+ bool connected() { return host_connected; }
+
+ uint16_t available() {
+ return (uint16_t)receive_buffer.available();
+ }
+
+ void flush() { receive_buffer.clear(); }
+
+ uint8_t availableForWrite() {
+ return transmit_buffer.free() > 255 ? 255 : (uint8_t)transmit_buffer.free();
+ }
+
+ void flushTX() {
+ if (host_connected)
+ while (transmit_buffer.available()) { /* nada */ }
+ }
+
+ volatile RingBuffer receive_buffer;
+ volatile RingBuffer transmit_buffer;
+ volatile bool host_connected;
+};
+
+typedef Serial0Type MSerialT;
diff --git a/Marlin/src/HAL/LINUX/main.cpp b/Marlin/src/HAL/LINUX/main.cpp
new file mode 100644
index 0000000..c409a83
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/main.cpp
@@ -0,0 +1,134 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+//#define GPIO_LOGGING // Full GPIO and Positional Logging
+
+#include "../../inc/MarlinConfig.h"
+#include "../shared/Delay.h"
+#include "hardware/IOLoggerCSV.h"
+#include "hardware/Heater.h"
+#include "hardware/LinearAxis.h"
+
+#include
+#include
+#include
+#include
+#include
+
+extern void setup();
+extern void loop();
+
+// simple stdout / stdin implementation for fake serial port
+void write_serial_thread() {
+ for (;;) {
+ for (std::size_t i = usb_serial.transmit_buffer.available(); i > 0; i--) {
+ fputc(usb_serial.transmit_buffer.read(), stdout);
+ }
+ std::this_thread::yield();
+ }
+}
+
+void read_serial_thread() {
+ char buffer[255] = {};
+ for (;;) {
+ std::size_t len = _MIN(usb_serial.receive_buffer.free(), 254U);
+ if (fgets(buffer, len, stdin))
+ for (std::size_t i = 0; i < strlen(buffer); i++)
+ usb_serial.receive_buffer.write(buffer[i]);
+ std::this_thread::yield();
+ }
+}
+
+void simulation_loop() {
+ Heater hotend(HEATER_0_PIN, TEMP_0_PIN);
+ Heater bed(HEATER_BED_PIN, TEMP_BED_PIN);
+ LinearAxis x_axis(X_ENABLE_PIN, X_DIR_PIN, X_STEP_PIN, X_MIN_PIN, X_MAX_PIN);
+ LinearAxis y_axis(Y_ENABLE_PIN, Y_DIR_PIN, Y_STEP_PIN, Y_MIN_PIN, Y_MAX_PIN);
+ LinearAxis z_axis(Z_ENABLE_PIN, Z_DIR_PIN, Z_STEP_PIN, Z_MIN_PIN, Z_MAX_PIN);
+ LinearAxis extruder0(E0_ENABLE_PIN, E0_DIR_PIN, E0_STEP_PIN, P_NC, P_NC);
+
+ #ifdef GPIO_LOGGING
+ IOLoggerCSV logger("all_gpio_log.csv");
+ Gpio::attachLogger(&logger);
+
+ std::ofstream position_log;
+ position_log.open("axis_position_log.csv");
+
+ int32_t x,y,z;
+ #endif
+
+ for (;;) {
+
+ hotend.update();
+ bed.update();
+
+ x_axis.update();
+ y_axis.update();
+ z_axis.update();
+ extruder0.update();
+
+ #ifdef GPIO_LOGGING
+ if (x_axis.position != x || y_axis.position != y || z_axis.position != z) {
+ uint64_t update = _MAX(x_axis.last_update, y_axis.last_update, z_axis.last_update);
+ position_log << update << ", " << x_axis.position << ", " << y_axis.position << ", " << z_axis.position << std::endl;
+ position_log.flush();
+ x = x_axis.position;
+ y = y_axis.position;
+ z = z_axis.position;
+ }
+ // flush the logger
+ logger.flush();
+ #endif
+
+ std::this_thread::yield();
+ }
+}
+
+int main() {
+ std::thread write_serial (write_serial_thread);
+ std::thread read_serial (read_serial_thread);
+
+ #ifdef MYSERIAL0
+ MYSERIAL0.begin(BAUDRATE);
+ SERIAL_ECHOLNPGM("x86_64 Initialized");
+ SERIAL_FLUSHTX();
+ #endif
+
+ Clock::setFrequency(F_CPU);
+ Clock::setTimeMultiplier(1.0); // some testing at 10x
+
+ HAL_timer_init();
+
+ std::thread simulation (simulation_loop);
+
+ DELAY_US(10000);
+
+ setup();
+ for (;;) {
+ loop();
+ std::this_thread::yield();
+ }
+
+ simulation.join();
+ write_serial.join();
+ read_serial.join();
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/pinsDebug.h b/Marlin/src/HAL/LINUX/pinsDebug.h
new file mode 100644
index 0000000..8f8543e
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/pinsDebug.h
@@ -0,0 +1,59 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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 .
+ *
+ */
+
+/**
+ * Support routines for X86_64
+ */
+
+/**
+ * Translation of routines & variables used by pinsDebug.h
+ */
+
+#define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
+#define pwm_details(pin) NOOP // (do nothing)
+#define pwm_status(pin) false // Print a pin's PWM status. Return true if it's currently a PWM pin.
+#define IS_ANALOG(P) (DIGITAL_PIN_TO_ANALOG_PIN(P) >= 0 ? 1 : 0)
+#define digitalRead_mod(p) digitalRead(p)
+#define PRINT_PORT(p)
+#define GET_ARRAY_PIN(p) pin_array[p].pin
+#define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer); }while(0)
+#define MULTI_NAME_PAD 16 // space needed to be pretty if not first name assigned to a pin
+
+// active ADC function/mode/code values for PINSEL registers
+constexpr int8_t ADC_pin_mode(pin_t pin) {
+ return (-1);
+}
+
+int8_t get_pin_mode(pin_t pin) {
+ if (!VALID_PIN(pin)) return -1;
+ return 0;
+}
+
+bool GET_PINMODE(pin_t pin) {
+ int8_t pin_mode = get_pin_mode(pin);
+ if (pin_mode == -1 || pin_mode == ADC_pin_mode(pin)) // found an invalid pin or active analog pin
+ return false;
+
+ return (Gpio::getMode(pin) != 0); //input/output state
+}
+
+bool GET_ARRAY_IS_DIGITAL(pin_t pin) {
+ return (!IS_ANALOG(pin) || get_pin_mode(pin) != ADC_pin_mode(pin));
+}
diff --git a/Marlin/src/HAL/LINUX/servo_private.h b/Marlin/src/HAL/LINUX/servo_private.h
new file mode 100644
index 0000000..bcc8d20
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/servo_private.h
@@ -0,0 +1,79 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+/**
+ * servo.h - Interrupt driven Servo library for Arduino using 16 bit timers- Version 2
+ * Copyright (c) 2009 Michael Margolis. All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * Based on "servo.h - Interrupt driven Servo library for Arduino using 16 bit timers -
+ * Version 2 Copyright (c) 2009 Michael Margolis. All right reserved.
+ *
+ * The only modification was to update/delete macros to match the LPC176x.
+ */
+
+#include
+
+// Macros
+//values in microseconds
+#define MIN_PULSE_WIDTH 544 // the shortest pulse sent to a servo
+#define MAX_PULSE_WIDTH 2400 // the longest pulse sent to a servo
+#define DEFAULT_PULSE_WIDTH 1500 // default pulse width when servo is attached
+#define REFRESH_INTERVAL 20000 // minimum time to refresh servos in microseconds
+
+#define MAX_SERVOS 4
+
+#define INVALID_SERVO 255 // flag indicating an invalid servo index
+
+
+// Types
+
+typedef struct {
+ uint8_t nbr : 8 ; // a pin number from 0 to 254 (255 signals invalid pin)
+ uint8_t isActive : 1 ; // true if this channel is enabled, pin not pulsed if false
+} ServoPin_t;
+
+typedef struct {
+ ServoPin_t Pin;
+ unsigned int pulse_width; // pulse width in microseconds
+} ServoInfo_t;
+
+// Global variables
+
+extern uint8_t ServoCount;
+extern ServoInfo_t servo_info[MAX_SERVOS];
diff --git a/Marlin/src/HAL/LINUX/spi_pins.h b/Marlin/src/HAL/LINUX/spi_pins.h
new file mode 100644
index 0000000..33136ac
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/spi_pins.h
@@ -0,0 +1,55 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include "../../core/macros.h"
+#include "../../inc/MarlinConfigPre.h"
+
+#if BOTH(HAS_MARLINUI_U8GLIB, SDSUPPORT) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_ENABLE == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
+ #define LPC_SOFTWARE_SPI // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently
+ // needed due to the speed and mode required for communicating with each device being different.
+ // This requirement can be removed if the SPI access to these devices is updated to use
+ // spiBeginTransaction.
+#endif
+
+// Onboard SD
+//#define SD_SCK_PIN P0_07
+//#define SD_MISO_PIN P0_08
+//#define SD_MOSI_PIN P0_09
+//#define SD_SS_PIN P0_06
+
+// External SD
+#ifndef SD_SCK_PIN
+ #define SD_SCK_PIN 50
+#endif
+#ifndef SD_MISO_PIN
+ #define SD_MISO_PIN 51
+#endif
+#ifndef SD_MOSI_PIN
+ #define SD_MOSI_PIN 52
+#endif
+#ifndef SD_SS_PIN
+ #define SD_SS_PIN 53
+#endif
+#ifndef SDSS
+ #define SDSS SD_SS_PIN
+#endif
diff --git a/Marlin/src/HAL/LINUX/timers.cpp b/Marlin/src/HAL/LINUX/timers.cpp
new file mode 100644
index 0000000..66d80f2
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/timers.cpp
@@ -0,0 +1,71 @@
+/**
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "hardware/Timer.h"
+
+#include "../../inc/MarlinConfig.h"
+
+/**
+ * Use POSIX signals to attempt to emulate Interrupts
+ * This has many limitations and is not fit for the purpose
+ */
+
+HAL_STEP_TIMER_ISR();
+HAL_TEMP_TIMER_ISR();
+
+Timer timers[2];
+
+void HAL_timer_init() {
+ timers[0].init(0, STEPPER_TIMER_RATE, TIMER0_IRQHandler);
+ timers[1].init(1, TEMP_TIMER_RATE, TIMER1_IRQHandler);
+}
+
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
+ timers[timer_num].start(frequency);
+}
+
+void HAL_timer_enable_interrupt(const uint8_t timer_num) {
+ timers[timer_num].enable();
+}
+
+void HAL_timer_disable_interrupt(const uint8_t timer_num) {
+ timers[timer_num].disable();
+}
+
+bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
+ return timers[timer_num].enabled();
+}
+
+void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare) {
+ timers[timer_num].setCompare(compare);
+}
+
+hal_timer_t HAL_timer_get_compare(const uint8_t timer_num) {
+ return timers[timer_num].getCompare();
+}
+
+hal_timer_t HAL_timer_get_count(const uint8_t timer_num) {
+ return timers[timer_num].getCount();
+}
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/timers.h b/Marlin/src/HAL/LINUX/timers.h
new file mode 100644
index 0000000..1beaea9
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/timers.h
@@ -0,0 +1,97 @@
+/**
+ * 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 .
+ *
+ */
+#pragma once
+
+/**
+ * HAL timers for Linux X86_64
+ */
+
+#include
+
+// ------------------------
+// Defines
+// ------------------------
+
+#define FORCE_INLINE __attribute__((always_inline)) inline
+
+typedef uint32_t hal_timer_t;
+#define HAL_TIMER_TYPE_MAX 0xFFFFFFFF
+
+#define HAL_TIMER_RATE ((SystemCoreClock) / 4) // frequency of timers peripherals
+
+#ifndef STEP_TIMER_NUM
+ #define STEP_TIMER_NUM 0 // Timer Index for Stepper
+#endif
+#ifndef PULSE_TIMER_NUM
+ #define PULSE_TIMER_NUM STEP_TIMER_NUM
+#endif
+#ifndef TEMP_TIMER_NUM
+ #define TEMP_TIMER_NUM 1 // Timer Index for Temperature
+#endif
+
+#define TEMP_TIMER_RATE 1000000
+#define TEMP_TIMER_FREQUENCY 1000 // temperature interrupt frequency
+
+#define STEPPER_TIMER_RATE HAL_TIMER_RATE // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
+#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
+#define STEPPER_TIMER_PRESCALE (CYCLES_PER_MICROSECOND / STEPPER_TIMER_TICKS_PER_US)
+
+#define PULSE_TIMER_RATE STEPPER_TIMER_RATE // frequency of pulse timer
+#define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
+
+#define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(STEP_TIMER_NUM)
+#define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(STEP_TIMER_NUM)
+#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(STEP_TIMER_NUM)
+
+#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
+#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
+
+#ifndef HAL_STEP_TIMER_ISR
+ #define HAL_STEP_TIMER_ISR() extern "C" void TIMER0_IRQHandler()
+#endif
+#ifndef HAL_TEMP_TIMER_ISR
+ #define HAL_TEMP_TIMER_ISR() extern "C" void TIMER1_IRQHandler()
+#endif
+
+// PWM timer
+#define HAL_PWM_TIMER
+#define HAL_PWM_TIMER_ISR() extern "C" void TIMER3_IRQHandler()
+#define HAL_PWM_TIMER_IRQn
+
+
+void HAL_timer_init();
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
+
+void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare);
+hal_timer_t HAL_timer_get_compare(const uint8_t timer_num);
+hal_timer_t HAL_timer_get_count(const uint8_t timer_num);
+FORCE_INLINE static void HAL_timer_restrain(const uint8_t timer_num, const uint16_t interval_ticks) {
+ const hal_timer_t mincmp = HAL_timer_get_count(timer_num) + interval_ticks;
+ if (HAL_timer_get_compare(timer_num) < mincmp) HAL_timer_set_compare(timer_num, mincmp);
+}
+
+void HAL_timer_enable_interrupt(const uint8_t timer_num);
+void HAL_timer_disable_interrupt(const uint8_t timer_num);
+bool HAL_timer_interrupt_enabled(const uint8_t timer_num);
+
+#define HAL_timer_isr_prologue(TIMER_NUM)
+#define HAL_timer_isr_epilogue(TIMER_NUM)
diff --git a/Marlin/src/HAL/LINUX/watchdog.cpp b/Marlin/src/HAL/LINUX/watchdog.cpp
new file mode 100644
index 0000000..84202e4
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/watchdog.cpp
@@ -0,0 +1,37 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+#ifdef __PLAT_LINUX__
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(USE_WATCHDOG)
+
+#include "watchdog.h"
+
+#define WDT_TIMEOUT_US TERN(WATCHDOG_DURATION_8S, 8000000, 4000000) // 4 or 8 second timeout
+
+void watchdog_init() {}
+void HAL_watchdog_refresh() {}
+
+#endif
+
+#endif // __PLAT_LINUX__
diff --git a/Marlin/src/HAL/LINUX/watchdog.h b/Marlin/src/HAL/LINUX/watchdog.h
new file mode 100644
index 0000000..49a0d9c
--- /dev/null
+++ b/Marlin/src/HAL/LINUX/watchdog.h
@@ -0,0 +1,25 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+void watchdog_init();
+void HAL_watchdog_refresh();
--
cgit v1.2.3