139 lines
3.8 KiB
C++
139 lines
3.8 KiB
C++
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (c) 2020 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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#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
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#include "HAL.h"
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#include "../../inc/MarlinConfig.h"
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#include "../shared/Delay.h"
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#if HAS_TMC_SW_SERIAL
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#include "SoftwareSerial.h"
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#endif
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#if ENABLED(SRAM_EEPROM_EMULATION)
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#if STM32F7xx
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#include <stm32f7xx_ll_pwr.h>
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#elif STM32F4xx
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#include <stm32f4xx_ll_pwr.h>
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#else
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#error "SRAM_EEPROM_EMULATION is currently only supported for STM32F4xx and STM32F7xx"
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#endif
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#endif
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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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// Public functions
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// ------------------------
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// Needed for DELAY_NS() / DELAY_US() on CORTEX-M7
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#if (defined(__arm__) || defined(__thumb__)) && __CORTEX_M == 7
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// HAL pre-initialization task
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// Force the preinit function to run between the premain() and main() function
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// of the STM32 arduino core
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__attribute__((constructor (102)))
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void HAL_preinit() {
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enableCycleCounter();
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}
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#endif
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// HAL initialization task
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void HAL_init() {
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FastIO_init();
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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 PIN_EXISTS(LED)
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OUT_WRITE(LED_PIN, LOW);
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#endif
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#if ENABLED(SRAM_EEPROM_EMULATION)
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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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#if HAS_TMC_SW_SERIAL
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SoftwareSerial::setInterruptPriority(SWSERIAL_TIMER_IRQ_PRIO, 0);
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#endif
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}
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void HAL_clear_reset_source() { __HAL_RCC_CLEAR_RESET_FLAGS(); }
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uint8_t HAL_get_reset_source() {
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return
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#ifdef RCC_FLAG_IWDGRST // Some sources may not exist...
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RESET != __HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST) ? RST_WATCHDOG :
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#endif
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#ifdef RCC_FLAG_IWDG1RST
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RESET != __HAL_RCC_GET_FLAG(RCC_FLAG_IWDG1RST) ? RST_WATCHDOG :
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#endif
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#ifdef RCC_FLAG_IWDG2RST
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RESET != __HAL_RCC_GET_FLAG(RCC_FLAG_IWDG2RST) ? RST_WATCHDOG :
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#endif
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#ifdef RCC_FLAG_SFTRST
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RESET != __HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST) ? RST_SOFTWARE :
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#endif
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#ifdef RCC_FLAG_PINRST
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RESET != __HAL_RCC_GET_FLAG(RCC_FLAG_PINRST) ? RST_EXTERNAL :
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#endif
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#ifdef RCC_FLAG_PORRST
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RESET != __HAL_RCC_GET_FLAG(RCC_FLAG_PORRST) ? RST_POWER_ON :
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#endif
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0
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;
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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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// TODO: Make sure this doesn't cause any delay
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void HAL_adc_start_conversion(const uint8_t adc_pin) { HAL_adc_result = analogRead(adc_pin); }
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uint16_t HAL_adc_get_result() { return HAL_adc_result; }
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void flashFirmware(int16_t) { NVIC_SystemReset(); }
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#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
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