text: /*
   *******************************************************************************
   * Copyright (c) 2020-2021, STMicroelectronics
   * All rights reserved.
   *
   * This software component is licensed by ST under BSD 3-Clause license,
   * the "License"; You may not use this file except in compliance with the
   * License. You may obtain a copy of the License at:
   *                        opensource.org/licenses/BSD-3-Clause
   *
   *******************************************************************************
   */
  #if defined(ARDUINO_GENERIC_L072CBYX) || defined(ARDUINO_GENERIC_L072CZEX) ||\
      defined(ARDUINO_GENERIC_L072CZYX) || defined(ARDUINO_GENERIC_L073CZYX) ||\
      defined(ARDUINO_GENERIC_L082CZYX)
  #include "pins_arduino.h"
  
  /**
    * @brief  System Clock Configuration
    * @param  None
    * @retval None
    */
  WEAK void SystemClock_Config(void)
  {
    RCC_OscInitTypeDef RCC_OscInitStruct = {};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
    RCC_PeriphCLKInitTypeDef PeriphClkInit = {};
  
    /** Configure the main internal regulator output voltage
    */
    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
    /** Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSI48;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
    RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4;
    RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
      Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                  | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  
    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
      Error_Handler();
    }
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
    PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
      Error_Handler();
    }
  }
  
  #endif /* ARDUINO_GENERIC_* */
  