/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2021-2021. All rights reserved.
 * Description: System Init Implementation
 * Author: Huawei LiteOS Team
 * Create: 2021-07-29
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * --------------------------------------------------------------------------- */

#include "sys_init.h"
#include "los_sys.h"

UINT32 HAL_GetTick(void)
{
    return (UINT32)LOS_TickCountGet();
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  file: The file name as string.
  * @param  line: The line in file as a number.
  * @retval None
  */
void _Error_Handler(char const *file, int line)
{
    printf("[ERROR] [file:%s] [line:%d]\n", file, line);
	while (1) {}
}

void SystemClock_Config(void)
{
    RCC_OscInitTypeDef rccOscInitStruct = {0};
    RCC_ClkInitTypeDef rccClkInitStruct = {0};
    RCC_PeriphCLKInitTypeDef periphClkInitStruct = {0};

    /** Configure the main internal regulator output voltage
     */
    __HAL_RCC_PWR_CLK_ENABLE();
    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
    /** Initializes the RCC Oscillators according to the specified parameters
     * in the RCC_OscInitTypeDef structure.
     */
    rccOscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
    rccOscInitStruct.HSIState = RCC_HSI_ON;
    rccOscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
    rccOscInitStruct.PLL.PLLState = RCC_PLL_ON;
    rccOscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
    rccOscInitStruct.PLL.PLLM = 8; // 8, Set system clock pllm value.
    rccOscInitStruct.PLL.PLLN = 216; // 216, Set system clock plln value.
    rccOscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
    rccOscInitStruct.PLL.PLLQ = 2;  // 2, Set system clock pllq value.
    if (HAL_RCC_OscConfig(&rccOscInitStruct) != HAL_OK) {
        Error_Handler();
    }

    /** Activate the Over-Drive mode
     */
    if (HAL_PWREx_EnableOverDrive() != HAL_OK) {
        Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
     */
    rccClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
    rccClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    rccClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    rccClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
    rccClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

    if (HAL_RCC_ClockConfig(&rccClkInitStruct, FLASH_LATENCY_7) != HAL_OK) {
        Error_Handler();
    }
    periphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
    periphClkInitStruct.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1;
    if (HAL_RCCEx_PeriphCLKConfig(&periphClkInitStruct) != HAL_OK) {
        Error_Handler();
    }
}

void HAL_MspInit(void)
{
    __HAL_RCC_PWR_CLK_ENABLE();
    __HAL_RCC_SYSCFG_CLK_ENABLE();
}