116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
/**
|
|
* Marlin 3D Printer Firmware
|
|
*
|
|
* Copyright (c) 2019 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(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
|
|
|
|
#include "HAL.h"
|
|
|
|
#include "../../inc/MarlinConfig.h"
|
|
#include "../shared/Delay.h"
|
|
|
|
#if ENABLED(SRAM_EEPROM_EMULATION)
|
|
#if STM32F7xx
|
|
#include "stm32f7xx_ll_pwr.h"
|
|
#elif STM32F4xx
|
|
#include "stm32f4xx_ll_pwr.h"
|
|
#else
|
|
#error "SRAM_EEPROM_EMULATION is currently only supported for STM32F4xx and STM32F7xx"
|
|
#endif
|
|
#endif
|
|
|
|
// ------------------------
|
|
// Public Variables
|
|
// ------------------------
|
|
|
|
uint16_t HAL_adc_result;
|
|
|
|
// ------------------------
|
|
// Public functions
|
|
// ------------------------
|
|
|
|
// Needed for DELAY_NS() / DELAY_US() on CORTEX-M7
|
|
#if (defined(__arm__) || defined(__thumb__)) && __CORTEX_M == 7
|
|
// HAL pre-initialization task
|
|
// Force the preinit function to run between the premain() and main() function
|
|
// of the STM32 arduino core
|
|
__attribute__((constructor (102)))
|
|
void HAL_preinit() {
|
|
enableCycleCounter();
|
|
}
|
|
#endif
|
|
|
|
// HAL initialization task
|
|
void HAL_init() {
|
|
FastIO_init();
|
|
|
|
#if ENABLED(SDSUPPORT)
|
|
OUT_WRITE(SDSS, HIGH); // Try to set SDSS inactive before any other SPI users start up
|
|
#endif
|
|
|
|
#if PIN_EXISTS(LED)
|
|
OUT_WRITE(LED_PIN, LOW);
|
|
#endif
|
|
|
|
#if ENABLED(SRAM_EEPROM_EMULATION)
|
|
// Enable access to backup SRAM
|
|
__HAL_RCC_PWR_CLK_ENABLE();
|
|
HAL_PWR_EnableBkUpAccess();
|
|
__HAL_RCC_BKPSRAM_CLK_ENABLE();
|
|
|
|
// Enable backup regulator
|
|
LL_PWR_EnableBkUpRegulator();
|
|
// Wait until backup regulator is initialized
|
|
while (!LL_PWR_IsActiveFlag_BRR());
|
|
#endif // EEPROM_EMULATED_SRAM
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
// ------------------------
|
|
// 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 // ARDUINO_ARCH_STM32 && !STM32GENERIC
|