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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
- * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
- * Copyright (c) 2017 Victor Perez
- *
- * 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 for stm32duino.com based on Libmaple and compatible (STM32F1)
- */
-
- #define CPU_32_BIT
-
- #include "../../core/macros.h"
- #include "../shared/Marduino.h"
- #include "../shared/math_32bit.h"
- #include "../shared/HAL_SPI.h"
-
- #include "fastio.h"
-
- #include <stdint.h>
- #include <util/atomic.h>
-
- #include "../../inc/MarlinConfigPre.h"
-
- #if HAS_SD_HOST_DRIVE
- #include "msc_sd.h"
- #endif
-
- #include "MarlinSerial.h"
-
- // ------------------------
- // Defines
- // ------------------------
-
- //
- // Default graphical display delays
- //
- #define CPU_ST7920_DELAY_1 300
- #define CPU_ST7920_DELAY_2 40
- #define CPU_ST7920_DELAY_3 340
-
- #ifndef STM32_FLASH_SIZE
- #if ANY(MCU_STM32F103RE, MCU_STM32F103VE, MCU_STM32F103ZE)
- #define STM32_FLASH_SIZE 512
- #else
- #define STM32_FLASH_SIZE 256
- #endif
- #endif
-
- // ------------------------
- // Serial ports
- // ------------------------
-
- #ifdef SERIAL_USB
- typedef ForwardSerial1Class< USBSerial > DefaultSerial1;
- extern DefaultSerial1 MSerial0;
- #if HAS_SD_HOST_DRIVE
- #define UsbSerial MarlinCompositeSerial
- #else
- #define UsbSerial MSerial0
- #endif
- #endif
-
- #define _MSERIAL(X) MSerial##X
- #define MSERIAL(X) _MSERIAL(X)
-
- #if EITHER(STM32_HIGH_DENSITY, STM32_XL_DENSITY)
- #define NUM_UARTS 5
- #else
- #define NUM_UARTS 3
- #endif
-
- #if SERIAL_PORT == -1
- #define MYSERIAL1 UsbSerial
- #elif WITHIN(SERIAL_PORT, 1, NUM_UARTS)
- #define MYSERIAL1 MSERIAL(SERIAL_PORT)
- #else
- #define MYSERIAL1 MSERIAL(1) // dummy port
- static_assert(false, "SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
- #endif
-
- #ifdef SERIAL_PORT_2
- #if SERIAL_PORT_2 == -1
- #define MYSERIAL2 UsbSerial
- #elif WITHIN(SERIAL_PORT_2, 1, NUM_UARTS)
- #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
- #else
- #define MYSERIAL2 MSERIAL(1) // dummy port
- static_assert(false, "SERIAL_PORT_2 must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
- #endif
- #endif
-
- #ifdef SERIAL_PORT_3
- #if SERIAL_PORT_3 == -1
- #define MYSERIAL3 UsbSerial
- #elif WITHIN(SERIAL_PORT_3, 1, NUM_UARTS)
- #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
- #else
- #define MYSERIAL3 MSERIAL(1) // dummy port
- static_assert(false, "SERIAL_PORT_3 must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
- #endif
- #endif
-
- #ifdef MMU2_SERIAL_PORT
- #if MMU2_SERIAL_PORT == -1
- #define MMU2_SERIAL UsbSerial
- #elif WITHIN(MMU2_SERIAL_PORT, 1, NUM_UARTS)
- #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
- #else
- #define MMU2_SERIAL MSERIAL(1) // dummy port
- static_assert(false, "MMU2_SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
- #endif
- #endif
-
- #ifdef LCD_SERIAL_PORT
- #if LCD_SERIAL_PORT == -1
- #define LCD_SERIAL UsbSerial
- #elif WITHIN(LCD_SERIAL_PORT, 1, NUM_UARTS)
- #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
- #else
- #define LCD_SERIAL MSERIAL(1) // dummy port
- static_assert(false, "LCD_SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
- #endif
- #if HAS_DGUS_LCD
- #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.availableForWrite()
- #endif
- #endif
-
- /**
- * TODO: review this to return 1 for pins that are not analog input
- */
- #ifndef analogInputToDigitalPin
- #define analogInputToDigitalPin(p) (p)
- #endif
-
- #ifndef digitalPinHasPWM
- #define digitalPinHasPWM(P) !!PIN_MAP[P].timer_device
- #define NO_COMPILE_TIME_PWM
- #endif
-
- // Reset Reason
- #define RST_POWER_ON 1
- #define RST_EXTERNAL 2
- #define RST_BROWN_OUT 4
- #define RST_WATCHDOG 8
- #define RST_JTAG 16
- #define RST_SOFTWARE 32
- #define RST_BACKUP 64
-
- // ------------------------
- // Types
- // ------------------------
-
- typedef int8_t pin_t;
-
- // ------------------------
- // Interrupts
- // ------------------------
-
- #define CRITICAL_SECTION_START() const bool irqon = !__get_primask(); (void)__iCliRetVal()
- #define CRITICAL_SECTION_END() if (!irqon) (void)__iSeiRetVal()
- #define cli() noInterrupts()
- #define sei() interrupts()
-
- // ------------------------
- // ADC
- // ------------------------
-
- #ifdef ADC_RESOLUTION
- #define HAL_ADC_RESOLUTION ADC_RESOLUTION
- #else
- #define HAL_ADC_RESOLUTION 12
- #endif
-
- #define HAL_ADC_VREF 3.3
-
- uint16_t analogRead(const pin_t pin); // need hal.adc_enable() first
- void analogWrite(const pin_t pin, int pwm_val8); // PWM only! mul by 257 in maple!?
-
- //
- // Pin Mapping for M42, M43, M226
- //
- #define GET_PIN_MAP_PIN(index) index
- #define GET_PIN_MAP_INDEX(pin) pin
- #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
-
- #define JTAG_DISABLE() afio_cfg_debug_ports(AFIO_DEBUG_SW_ONLY)
- #define JTAGSWD_DISABLE() afio_cfg_debug_ports(AFIO_DEBUG_NONE)
-
- #define PLATFORM_M997_SUPPORT
- void flashFirmware(const int16_t);
-
- #define HAL_CAN_SET_PWM_FREQ // This HAL supports PWM Frequency adjustment
- #ifndef PWM_FREQUENCY
- #define PWM_FREQUENCY 1000 // Default PWM Frequency
- #endif
-
- // ------------------------
- // Class Utilities
- // ------------------------
-
- // Memory related
- #define __bss_end __bss_end__
-
- void _delay_ms(const int ms);
-
- extern "C" char* _sbrk(int incr);
-
- #pragma GCC diagnostic push
- #if GCC_VERSION <= 50000
- #pragma GCC diagnostic ignored "-Wunused-function"
- #endif
-
- static inline int freeMemory() {
- volatile char top;
- return &top - _sbrk(0);
- }
-
- #pragma GCC diagnostic pop
-
- // ------------------------
- // MarlinHAL Class
- // ------------------------
-
- class MarlinHAL {
- public:
-
- // Earliest possible init, before setup()
- MarlinHAL() {}
-
- // Watchdog
- static void watchdog_init() IF_DISABLED(USE_WATCHDOG, {});
- static void watchdog_refresh() IF_DISABLED(USE_WATCHDOG, {});
-
- static void init(); // Called early in setup()
- static void init_board() {} // Called less early in setup()
- static void reboot(); // Restart the firmware from 0x0
-
- // Interrupts
- static bool isr_state() { return !__get_primask(); }
- static void isr_on() { ((void)__iSeiRetVal()); }
- static void isr_off() { ((void)__iCliRetVal()); }
-
- static void delay_ms(const int ms) { delay(ms); }
-
- // Tasks, called from idle()
- static void idletask();
-
- // Reset
- static uint8_t get_reset_source() { return RST_POWER_ON; }
- static void clear_reset_source() {}
-
- // Free SRAM
- static int freeMemory() { return ::freeMemory(); }
-
- //
- // ADC Methods
- //
-
- static uint16_t adc_result;
-
- // Called by Temperature::init once at startup
- static void adc_init();
-
- // Called by Temperature::init for each sensor at startup
- static void adc_enable(const pin_t pin) { pinMode(pin, INPUT_ANALOG); }
-
- // Begin ADC sampling on the given pin. Called from Temperature::isr!
- static void adc_start(const pin_t pin);
-
- // Is the ADC ready for reading?
- static bool adc_ready() { return true; }
-
- // The current value of the ADC register
- static uint16_t adc_value() { return adc_result; }
-
- /**
- * Set the PWM duty cycle for the pin to the given value.
- * Optionally invert the duty cycle [default = false]
- * Optionally change the maximum size of the provided value to enable finer PWM duty control [default = 255]
- * The timer must be pre-configured with set_pwm_frequency() if the default frequency is not desired.
- */
- static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t=255, const bool=false);
-
- /**
- * Set the frequency of the timer for the given pin.
- * All Timer PWM pins run at the same frequency.
- */
- static void set_pwm_frequency(const pin_t pin, const uint16_t f_desired);
-
- };
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