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238 lines
6.3 KiB
238 lines
6.3 KiB
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (C) 2016 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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* Copyright (c) 2017 Victor Perez
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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 <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
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*/
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#ifndef _HAL_STM32F1_H
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#define _HAL_STM32F1_H
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#undef DEBUG_NONE
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#ifndef vsnprintf_P
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#define vsnprintf_P vsnprintf
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#endif
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// --------------------------------------------------------------------------
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// Includes
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// --------------------------------------------------------------------------
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#include <stdint.h>
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#include <Arduino.h>
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// --------------------------------------------------------------------------
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// Undefine DEBUG_ settings
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// --------------------------------------------------------------------------
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#undef DEBUG_NONE
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#undef DEBUG_FAULT
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#undef DEBUG_ALL
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// --------------------------------------------------------------------------
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// Includes
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// --------------------------------------------------------------------------
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#include "fastio_Stm32f1.h"
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#include "watchdog_Stm32f1.h"
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#include "HAL_timers_Stm32f1.h"
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// --------------------------------------------------------------------------
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// Defines
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// --------------------------------------------------------------------------
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#if !WITHIN(SERIAL_PORT, -1, 3)
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#error "SERIAL_PORT must be from -1 to 3"
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#endif
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#if SERIAL_PORT == -1
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#define MYSERIAL0 SerialUSB
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#elif SERIAL_PORT == 0
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#define MYSERIAL0 Serial
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#elif SERIAL_PORT == 1
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#define MYSERIAL0 Serial1
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#elif SERIAL_PORT == 2
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#define MYSERIAL0 Serial2
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#elif SERIAL_PORT == 3
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#define MYSERIAL0 Serial3
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#endif
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#ifdef SERIAL_PORT_2
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#if !WITHIN(SERIAL_PORT_2, -1, 3)
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#error "SERIAL_PORT_2 must be from -1 to 3"
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#elif SERIAL_PORT_2 == SERIAL_PORT
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#error "SERIAL_PORT_2 must be different than SERIAL_PORT"
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#endif
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#define NUM_SERIAL 2
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#if SERIAL_PORT_2 == -1
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#define MYSERIAL1 SerialUSB
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#elif SERIAL_PORT_2 == 0
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#define MYSERIAL1 Serial
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#elif SERIAL_PORT_2 == 1
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#define MYSERIAL1 Serial1
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#elif SERIAL_PORT_2 == 2
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#define MYSERIAL1 Serial2
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#elif SERIAL_PORT_2 == 3
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#define MYSERIAL1 Serial3
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#endif
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#else
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#define NUM_SERIAL 1
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#endif
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/**
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* TODO: review this to return 1 for pins that are not analog input
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*/
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#ifndef analogInputToDigitalPin
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#define analogInputToDigitalPin(p) (p)
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#endif
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#define CRITICAL_SECTION_START noInterrupts();
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#define CRITICAL_SECTION_END interrupts();
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// On AVR this is in math.h?
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#define square(x) ((x)*(x))
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#ifndef strncpy_P
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#define strncpy_P(dest, src, num) strncpy((dest), (src), (num))
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#endif
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// Fix bug in pgm_read_ptr
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#undef pgm_read_ptr
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#define pgm_read_ptr(addr) (*(addr))
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#define RST_POWER_ON 1
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#define RST_EXTERNAL 2
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#define RST_BROWN_OUT 4
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#define RST_WATCHDOG 8
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#define RST_JTAG 16
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#define RST_SOFTWARE 32
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#define RST_BACKUP 64
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// --------------------------------------------------------------------------
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// Types
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// --------------------------------------------------------------------------
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typedef int8_t pin_t;
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// --------------------------------------------------------------------------
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// Public Variables
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// --------------------------------------------------------------------------
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/** result of last ADC conversion */
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extern uint16_t HAL_adc_result;
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// --------------------------------------------------------------------------
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// Public functions
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// --------------------------------------------------------------------------
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// Disable interrupts
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#define cli() noInterrupts()
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// Enable interrupts
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#define sei() interrupts()
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// Memory related
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#define __bss_end __bss_end__
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/** clear reset reason */
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void HAL_clear_reset_source (void);
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/** reset reason */
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uint8_t HAL_get_reset_source (void);
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void _delay_ms(const int delay);
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/*
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extern "C" {
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int freeMemory(void);
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}
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*/
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extern "C" char* _sbrk(int incr);
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/*
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static int freeMemory() {
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volatile int top;
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top = (int)((char*)&top - reinterpret_cast<char*>(_sbrk(0)));
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return top;
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}
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*/
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static int freeMemory() {
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volatile char top;
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return &top - reinterpret_cast<char*>(_sbrk(0));
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}
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// SPI: Extended functions which take a channel number (hardware SPI only)
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/** Write single byte to specified SPI channel */
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void spiSend(uint32_t chan, byte b);
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/** Write buffer to specified SPI channel */
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void spiSend(uint32_t chan, const uint8_t* buf, size_t n);
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/** Read single byte from specified SPI channel */
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uint8_t spiRec(uint32_t chan);
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// EEPROM
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/**
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* TODO: Write all this eeprom stuff. Can emulate eeprom in flash as last resort.
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* Wire library should work for i2c eeproms.
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*/
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void eeprom_write_byte(unsigned char *pos, unsigned char value);
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unsigned char eeprom_read_byte(unsigned char *pos);
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void eeprom_read_block (void *__dst, const void *__src, size_t __n);
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void eeprom_update_block (const void *__src, void *__dst, size_t __n);
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// ADC
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#define HAL_ANALOG_SELECT(pin) pinMode(pin, INPUT_ANALOG);
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void HAL_adc_init(void);
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#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
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#define HAL_READ_ADC HAL_adc_result
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void HAL_adc_start_conversion(const uint8_t adc_pin);
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uint16_t HAL_adc_get_result(void);
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/* Todo: Confirm none of this is needed.
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uint16_t HAL_getAdcReading(uint8_t chan);
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void HAL_startAdcConversion(uint8_t chan);
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uint8_t HAL_pinToAdcChannel(int pin);
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uint16_t HAL_getAdcFreerun(uint8_t chan, bool wait_for_conversion = false);
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//uint16_t HAL_getAdcSuperSample(uint8_t chan);
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void HAL_enable_AdcFreerun(void);
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//void HAL_disable_AdcFreerun(uint8_t chan);
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*/
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#define GET_PIN_MAP_PIN(index) index
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#define GET_PIN_MAP_INDEX(pin) pin
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#define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
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#endif // _HAL_STM32F1_H
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