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