/*------------------------------------------------------------------------------
 * Copyright (c) 2022 Arm Limited (or its affiliates). All
 * rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * 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 Arm 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 COPYRIGHT HOLDERS AND 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.
 *------------------------------------------------------------------------------
 * Name:    main.c
 * Purpose: Main module
 *----------------------------------------------------------------------------*/

#include "main.h"

#include <string.h>
#include <stdio.h>

#include "SPI_Server_Config.h"
#include "SPI_Server.h"

#include "stm32f4xx_hal.h"

// Private function prototypes
static void Error_Handler(void);
static void SystemClock_Config(void);


// Main function
int32_t main (void) {

  // Hardware Abstraction Layer (HAL) initialization
  (void)HAL_Init();

  // System initialization
  SystemClock_Config();
  SystemCoreClockUpdate();

  // Initialize kernel, create threads and start kernel
  (void)osKernelInitialize();
  (void)SPI_Server_Start();
  (void)osKernelStart();

  for (;;) {}
}


#ifdef RTE_CMSIS_RTOS2_RTX5
/**
  * Override default HAL_GetTick function
  */
uint32_t HAL_GetTick (void) {
  static uint32_t ticks = 0U;
         uint32_t i, ret;

  if (osKernelGetState () == osKernelRunning) {
    ret = (uint32_t)osKernelGetTickCount ();
  } else {
    /* If Kernel is not running wait approximately 1 ms then increment
       and return auxiliary tick counter value */
    for (i = (SystemCoreClock >> 14U); i > 0U; i--) {
      __NOP(); __NOP(); __NOP(); __NOP(); __NOP(); __NOP();
      __NOP(); __NOP(); __NOP(); __NOP(); __NOP(); __NOP();
    }
    ticks = ticks + 1U;
    ret = ticks;
  }

  return ret;
}
#endif


/**
  * @brief System Clock Configuration
  * @param  None
  * @retval None
  */
static void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {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.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = 10;
  RCC_OscInitStruct.PLL.PLLN = 210;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 7;
  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_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  None
  * @retval None
  */
static __NO_RETURN void Error_Handler(void)
{
  /* User may add here some code to deal with this error */
  for (;;)
  {
  }
}

#ifdef  USE_FULL_ASSERT

/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t* file, uint32_t line)
{
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif /* USE_FULL_ASSERT */