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168 lines
4.9 KiB
168 lines
4.9 KiB
/**
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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 <https://www.gnu.org/licenses/>.
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*
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*/
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#include "../platforms.h"
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#ifdef HAL_STM32
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#include "HAL.h"
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#include "usb_serial.h"
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#include "../../inc/MarlinConfig.h"
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#include "../shared/Delay.h"
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#ifdef USBCON
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DefaultSerial1 MSerial0(false, SerialUSB);
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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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#if HAS_SD_HOST_DRIVE
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#include "msc_sd.h"
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#include "usbd_cdc_if.h"
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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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TERN_(POSTMORTEM_DEBUGGING, extern void install_min_serial());
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// HAL initialization task
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void HAL_init() {
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// Ensure F_CPU is a constant expression.
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// If the compiler breaks here, it means that delay code that should compute at compile time will not work.
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// So better safe than sorry here.
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constexpr int cpuFreq = F_CPU;
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UNUSED(cpuFreq);
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#if ENABLED(SDSUPPORT) && DISABLED(SDIO_SUPPORT) && (defined(SDSS) && SDSS != -1)
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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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__HAL_RCC_PWR_CLK_ENABLE();
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HAL_PWR_EnableBkUpAccess(); // Enable access to backup SRAM
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__HAL_RCC_BKPSRAM_CLK_ENABLE();
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LL_PWR_EnableBkUpRegulator(); // Enable backup regulator
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while (!LL_PWR_IsActiveFlag_BRR()); // Wait until backup regulator is initialized
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#endif
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SetTimerInterruptPriorities();
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#if ENABLED(EMERGENCY_PARSER) && USBD_USE_CDC
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USB_Hook_init();
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#endif
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TERN_(POSTMORTEM_DEBUGGING, install_min_serial()); // Install the min serial handler
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TERN_(HAS_SD_HOST_DRIVE, MSC_SD_init()); // Enable USB SD card access
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#if PIN_EXISTS(USB_CONNECT)
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OUT_WRITE(USB_CONNECT_PIN, !USB_CONNECT_INVERTING); // USB clear connection
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delay(1000); // Give OS time to notice
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WRITE(USB_CONNECT_PIN, USB_CONNECT_INVERTING);
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#endif
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}
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// HAL idle task
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void HAL_idletask() {
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#if HAS_SHARED_MEDIA
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// Stm32duino currently doesn't have a "loop/idle" method
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CDC_resume_receive();
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CDC_continue_transmit();
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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 HAL_reboot() { NVIC_SystemReset(); }
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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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// Reset the system to initiate a firmware flash
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WEAK void flashFirmware(const int16_t) { HAL_reboot(); }
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// Maple Compatibility
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volatile uint32_t systick_uptime_millis = 0;
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systickCallback_t systick_user_callback;
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void systick_attach_callback(systickCallback_t cb) { systick_user_callback = cb; }
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void HAL_SYSTICK_Callback() {
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systick_uptime_millis++;
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if (systick_user_callback) systick_user_callback();
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}
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#endif // HAL_STM32
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