127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/**
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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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#ifdef ARDUINO_ARCH_STM32
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// --------------------------------------------------------------------------
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// Includes
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// --------------------------------------------------------------------------
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#include "HAL.h"
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#if ENABLED(EEPROM_EMULATED_WITH_SRAM)
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#if STM32F7xx
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#include "stm32f7xx_ll_pwr.h"
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#else
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#error "EEPROM_EMULATED_WITH_SRAM is currently only supported for STM32F7xx"
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#endif
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#endif // EEPROM_EMULATED_WITH_SRAM
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// --------------------------------------------------------------------------
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// Externals
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Local defines
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Types
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Variables
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Public Variables
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// --------------------------------------------------------------------------
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uint16_t HAL_adc_result;
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// --------------------------------------------------------------------------
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// Private Variables
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Function prototypes
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Private functions
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Public functions
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// --------------------------------------------------------------------------
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// HAL initialization task
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void HAL_init(void) {
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#if ENABLED(SDSUPPORT)
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OUT_WRITE(SDSS, HIGH); // Try to set SDSS inactive before any other SPI users start up
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#endif
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#if ENABLED(EEPROM_EMULATED_WITH_SRAM)
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// Enable access to backup SRAM
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__HAL_RCC_PWR_CLK_ENABLE();
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HAL_PWR_EnableBkUpAccess();
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__HAL_RCC_BKPSRAM_CLK_ENABLE();
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// Enable backup regulator
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LL_PWR_EnableBkUpRegulator();
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// Wait until backup regulator is initialized
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while (!LL_PWR_IsActiveFlag_BRR());
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#endif // EEPROM_EMULATED_SRAM
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}
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void HAL_clear_reset_source(void) { __HAL_RCC_CLEAR_RESET_FLAGS(); }
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uint8_t HAL_get_reset_source (void) {
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST) != RESET) return RST_WATCHDOG;
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST) != RESET) return RST_SOFTWARE;
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST) != RESET) return RST_EXTERNAL;
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST) != RESET) return RST_POWER_ON;
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return 0;
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}
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void _delay_ms(const int delay_ms) { delay(delay_ms); }
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extern "C" {
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extern unsigned int _ebss; // end of bss section
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}
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// --------------------------------------------------------------------------
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// ADC
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// --------------------------------------------------------------------------
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void HAL_adc_start_conversion(const uint8_t adc_pin) {
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HAL_adc_result = analogRead(adc_pin);
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}
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uint16_t HAL_adc_get_result(void) {
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return HAL_adc_result;
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}
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#endif // ARDUINO_ARCH_STM32
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