264 lines
7.1 KiB
C++
264 lines
7.1 KiB
C++
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
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* Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <stdint.h>
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#include <stdarg.h>
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#undef min
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#undef max
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#include <algorithm>
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#include "pinmapping.h"
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void _printf (const char *format, ...);
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void _putc(uint8_t c);
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uint8_t _getc();
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//arduino: Print.h
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#define DEC 10
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#define HEX 16
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#define OCT 8
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#define BIN 2
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//arduino: binary.h (weird defines)
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#define B01 1
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#define B10 2
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#include "../shared/Marduino.h"
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#include "../shared/math_32bit.h"
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#include "../shared/HAL_SPI.h"
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#include "fastio.h"
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#include "watchdog.h"
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#include "serial.h"
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// ------------------------
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// Defines
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// ------------------------
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#define CPU_32_BIT
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#define SHARED_SERVOS HAS_SERVOS // Use shared/servos.cpp
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#define F_CPU 100000000
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#define SystemCoreClock F_CPU
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#define CPU_ST7920_DELAY_1 600
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#define CPU_ST7920_DELAY_2 750
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#define CPU_ST7920_DELAY_3 750
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// ------------------------
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// Serial ports
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// ------------------------
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extern MSerialT serial_stream_0;
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extern MSerialT serial_stream_1;
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extern MSerialT serial_stream_2;
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extern MSerialT serial_stream_3;
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#define _MSERIAL(X) serial_stream_##X
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#define MSERIAL(X) _MSERIAL(X)
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#if WITHIN(SERIAL_PORT, 0, 3)
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#define MYSERIAL1 MSERIAL(SERIAL_PORT)
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#else
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#error "SERIAL_PORT must be from 0 to 3. Please update your configuration."
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#endif
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#ifdef SERIAL_PORT_2
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#if WITHIN(SERIAL_PORT_2, 0, 3)
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#define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
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#else
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#error "SERIAL_PORT_2 must be from 0 to 3. Please update your configuration."
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#endif
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#endif
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#ifdef MMU2_SERIAL_PORT
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#if WITHIN(MMU2_SERIAL_PORT, 0, 3)
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#define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
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#else
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#error "MMU2_SERIAL_PORT must be from 0 to 3. Please update your configuration."
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#endif
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#endif
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#ifdef LCD_SERIAL_PORT
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#if WITHIN(LCD_SERIAL_PORT, 0, 3)
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#define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
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#else
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#error "LCD_SERIAL_PORT must be from 0 to 3. Please update your configuration."
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#endif
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#endif
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// ------------------------
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// Interrupts
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// ------------------------
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#define CRITICAL_SECTION_START()
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#define CRITICAL_SECTION_END()
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// ------------------------
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// ADC
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// ------------------------
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#define HAL_ADC_VREF 5.0
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#define HAL_ADC_RESOLUTION 10
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/* ---------------- Delay in cycles */
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#define DELAY_CYCLES(x) Kernel::delayCycles(x)
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#define SYSTEM_YIELD() Kernel::yield()
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// Maple Compatibility
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typedef void (*systickCallback_t)(void);
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void systick_attach_callback(systickCallback_t cb);
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extern volatile uint32_t systick_uptime_millis;
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// Marlin uses strstr in constexpr context, this is not supported, workaround by defining constexpr versions of the required functions.
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#define strstr(a, b) strstr_constexpr((a), (b))
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constexpr inline std::size_t strlen_constexpr(const char* str) {
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// https://github.com/gcc-mirror/gcc/blob/5c7634a0e5f202935aa6c11b6ea953b8bf80a00a/libstdc%2B%2B-v3/include/bits/char_traits.h#L329
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if (str != nullptr) {
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std::size_t i = 0;
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while (str[i] != '\0') ++i;
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return i;
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}
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return 0;
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}
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constexpr inline int strncmp_constexpr(const char* lhs, const char* rhs, std::size_t count) {
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// https://github.com/gcc-mirror/gcc/blob/13b9cbfc32fe3ac4c81c4dd9c42d141c8fb95db4/libstdc%2B%2B-v3/include/bits/char_traits.h#L655
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if (lhs == nullptr || rhs == nullptr)
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return rhs != nullptr ? -1 : 1;
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for (std::size_t i = 0; i < count; ++i)
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if (lhs[i] != rhs[i])
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return lhs[i] < rhs[i] ? -1 : 1;
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else if (lhs[i] == '\0')
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return 0;
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return 0;
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}
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constexpr inline const char* strstr_constexpr(const char* str, const char* target) {
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// https://github.com/freebsd/freebsd/blob/master/sys/libkern/strstr.c
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if (char c = target != nullptr ? *target++ : '\0'; c != '\0' && str != nullptr) {
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std::size_t len = strlen_constexpr(target);
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do {
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char sc = {};
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do {
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if ((sc = *str++) == '\0') return nullptr;
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} while (sc != c);
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} while (strncmp_constexpr(str, target, len) != 0);
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--str;
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}
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return str;
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}
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constexpr inline char* strstr_constexpr(char* str, const char* target) {
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// https://github.com/freebsd/freebsd/blob/master/sys/libkern/strstr.c
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if (char c = target != nullptr ? *target++ : '\0'; c != '\0' && str != nullptr) {
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std::size_t len = strlen_constexpr(target);
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do {
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char sc = {};
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do {
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if ((sc = *str++) == '\0') return nullptr;
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} while (sc != c);
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} while (strncmp_constexpr(str, target, len) != 0);
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--str;
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}
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return str;
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}
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// ------------------------
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// Free Memory Accessor
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// ------------------------
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#pragma GCC diagnostic push
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#if GCC_VERSION <= 50000
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#pragma GCC diagnostic ignored "-Wunused-function"
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#endif
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int freeMemory();
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#pragma GCC diagnostic pop
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// ------------------------
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// MarlinHAL Class
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// ------------------------
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class MarlinHAL {
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public:
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// Earliest possible init, before setup()
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MarlinHAL() {}
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static void init() {} // Called early in setup()
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static void init_board() {} // Called less early in setup()
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static void reboot(); // Restart the firmware from 0x0
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// Interrupts
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static bool isr_state() { return true; }
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static void isr_on() {}
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static void isr_off() {}
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static void delay_ms(const int ms) { _delay_ms(ms); }
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// Tasks, called from idle()
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static void idletask();
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// Reset
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static constexpr uint8_t reset_reason = RST_POWER_ON;
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static uint8_t get_reset_source() { return reset_reason; }
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static void clear_reset_source() {}
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// Free SRAM
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static int freeMemory() { return ::freeMemory(); }
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//
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// ADC Methods
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//
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static uint8_t active_ch;
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// Called by Temperature::init once at startup
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static void adc_init();
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// Called by Temperature::init for each sensor at startup
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static void adc_enable(const uint8_t ch);
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// Begin ADC sampling on the given channel. Called from Temperature::isr!
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static void adc_start(const uint8_t ch);
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// Is the ADC ready for reading?
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static bool adc_ready();
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// The current value of the ADC register
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static uint16_t adc_value();
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/**
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* Set the PWM duty cycle for the pin to the given value.
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* No option to invert the duty cycle [default = false]
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* No option to change the scale of the provided value to enable finer PWM duty control [default = 255]
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*/
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static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t=255, const bool=false) {
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analogWrite(pin, v);
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}
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};
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