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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 <http://www.gnu.org/licenses/>.
- *
- */
-
- #if defined(STM32GENERIC) && (defined(STM32F4) || defined(STM32F7))
-
- #include "HAL.h"
-
- //#include <Wire.h>
-
- // ------------------------
- // Public Variables
- // ------------------------
-
- uint16_t HAL_adc_result;
-
- // ------------------------
- // Public functions
- // ------------------------
-
- /* VGPV Done with defines
- // disable interrupts
- void cli() { noInterrupts(); }
-
- // enable interrupts
- void sei() { interrupts(); }
- */
-
- void HAL_clear_reset_source() { __HAL_RCC_CLEAR_RESET_FLAGS(); }
-
- uint8_t HAL_get_reset_source() {
- if (__HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST) != RESET) return RST_WATCHDOG;
- if (__HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST) != RESET) return RST_SOFTWARE;
- if (__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST) != RESET) return RST_EXTERNAL;
- if (__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST) != RESET) return RST_POWER_ON;
- return 0;
- }
-
- void _delay_ms(const int delay_ms) { delay(delay_ms); }
-
- extern "C" {
- extern unsigned int _ebss; // end of bss section
- }
-
- // return free memory between end of heap (or end bss) and whatever is current
-
- /*
- #include <wirish/syscalls.c>
- //extern caddr_t _sbrk(int incr);
- #ifndef CONFIG_HEAP_END
- extern char _lm_heap_end;
- #define CONFIG_HEAP_END ((caddr_t)&_lm_heap_end)
- #endif
-
- extern "C" {
- static int freeMemory() {
- char top = 't';
- return &top - reinterpret_cast<char*>(sbrk(0));
- }
- int freeMemory() {
- int free_memory;
- int heap_end = (int)_sbrk(0);
- free_memory = ((int)&free_memory) - ((int)heap_end);
- return free_memory;
- }
- }
- */
-
- // ------------------------
- // ADC
- // ------------------------
-
- void HAL_adc_start_conversion(const uint8_t adc_pin) { HAL_adc_result = analogRead(adc_pin); }
-
- uint16_t HAL_adc_get_result() { return HAL_adc_result; }
-
- #endif // STM32GENERIC && (STM32F4 || STM32F7)
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