diff options
Diffstat (limited to 'Marlin/src/HAL/LINUX')
33 files changed, 2303 insertions, 0 deletions
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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#define CPU_32_BIT + +#define F_CPU 100000000UL +#define SystemCoreClock F_CPU +#include <iostream> +#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 "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 <https://www.gnu.org/licenses/>. + * + */ +#ifdef __PLAT_LINUX__ + +#include <iostream> +#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 <https://www.gnu.org/licenses/>. + * + */ +#ifdef __PLAT_LINUX__ + +#include "../../inc/MarlinConfig.h" + +#if ENABLED(EEPROM_SETTINGS) + +#include "../shared/eeprom_api.h" +#include <stdio.h> + +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +/** + * Fast I/O Routines for X86_64 + */ + +#include "../shared/Marduino.h" +#include <pinmapping.h> + +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include <chrono> +#include <thread> + +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<double, std::milli>(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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include "Clock.h" +#include "../../../inc/MarlinConfigPre.h" +#include <stdint.h> + +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 <https://www.gnu.org/licenses/>. + * + */ +#ifdef __PLAT_LINUX__ + +#include "Clock.h" +#include <stdio.h> +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#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<std::mutex> lock(vector_lock); + events.push_back(ev); //minimal impact to signal handler +} + +void IOLoggerCSV::flush() { + { std::lock_guard<std::mutex> 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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include <mutex> +#include <list> +#include <fstream> +#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<GpioEvent> 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 <https://www.gnu.org/licenses/>. + * + */ +#ifdef __PLAT_LINUX__ + +#include <random> +#include <stdio.h> +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include <chrono> +#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 <https://www.gnu.org/licenses/>. + * + */ +#ifdef __PLAT_LINUX__ + +#include "Timer.h" +#include <stdio.h> + +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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include <stdint.h> +#include <stdlib.h> +#include <unistd.h> +#include <signal.h> +#include <time.h> +#include <stdio.h> + +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include <stddef.h> +#include <stdint.h> +#include <math.h> +#include <cstring> + +#include <pinmapping.h> + +#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 <https://www.gnu.org/licenses/>. + * + */ +#ifdef __PLAT_LINUX__ + +#include <pinmapping.h> + +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include "../../../inc/MarlinConfigPre.h" + +#include <stdint.h> +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +#include "../../../inc/MarlinConfigPre.h" +#if ENABLED(EMERGENCY_PARSER) + #include "../../../feature/e_parser.h" +#endif +#include "../../../core/serial_hook.h" + +#include <stdarg.h> +#include <stdio.h> + +/** + * Generic RingBuffer + * T type of the buffer array + * S size of the buffer (must be power of 2) + */ +template <typename T, uint32_t S> 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<uint8_t, 128> receive_buffer; + volatile RingBuffer<uint8_t, 128> transmit_buffer; + volatile bool host_connected; +}; + +typedef Serial0Type<HalSerial> 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 <https://www.gnu.org/licenses/>. + * + */ +#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 <stdio.h> +#include <stdarg.h> +#include <thread> +#include <iostream> +#include <fstream> + +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 <https://www.gnu.org/licenses/>. + * + */ + +/** + * 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 <https://www.gnu.org/licenses/>. + * + */ +#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 <stdint.h> + +// 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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +/** + * HAL timers for Linux X86_64 + */ + +#include <stdint.h> + +// ------------------------ +// 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 <https://www.gnu.org/licenses/>. + * + */ +#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 <https://www.gnu.org/licenses/>. + * + */ +#pragma once + +void watchdog_init(); +void HAL_watchdog_refresh(); |