MCU_Config.c

#include "MCU_Config.h"
#include "stm32f7xx.h"                  // Device header
#include "stm32f7xx_hal.h"              // Keil::Device:STM32Cube HAL:Common

void LED_RELAY_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStruct;
	
    __HAL_RCC_GPIOF_CLK_ENABLE();
	
    GPIO_InitStruct.Pin = LED1_Pin | LED2_Pin | LED3_Pin | LED4_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
	
		__HAL_RCC_GPIOE_CLK_ENABLE(); //GPIO E ENABLE

	// GPIOE portu için konfigürasyon yapisi - Role kontrol pini
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; // Çikis (Push-Pull) modunda
	GPIO_InitStruct.Pin = GPIO_PIN_12 ; // 
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; //GPIO hizi ayarlandi
	GPIO_InitStruct.Pull = GPIO_PULLDOWN; //Pull-down direnci secildi
	
	HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); //GPIOF portu bu konfigürasyon ile baslatilir
}

 void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;

  /* Enable HSE Oscillator and activate PLL with HSE as source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 25;
  RCC_OscInitStruct.PLL.PLLN = 432;  
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 9;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /* activate the OverDrive to reach the 216 Mhz Frequency */
  if(HAL_PWREx_EnableOverDrive() != HAL_OK)
  {
    Error_Handler();
  }
  
  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 
     clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | 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_7) != HAL_OK)
  {
    Error_Handler();
  }
}

 void Error_Handler(void)
{
  /* User may add here some code to deal with this error */
  while(1)
  {
  }
}


 void MPU_Config(void)
{
  MPU_Region_InitTypeDef MPU_InitStruct;
  
  /* Disable the MPU */
  HAL_MPU_Disable();

  /* Configure the MPU attributes as WT for SRAM */
  MPU_InitStruct.Enable           = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress      = 0x20000000;
  MPU_InitStruct.Size             = MPU_REGION_SIZE_512KB;
  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
  MPU_InitStruct.IsBufferable     = MPU_ACCESS_NOT_BUFFERABLE;
  MPU_InitStruct.IsCacheable      = MPU_ACCESS_CACHEABLE;
  MPU_InitStruct.IsShareable      = MPU_ACCESS_NOT_SHAREABLE;
  MPU_InitStruct.Number           = MPU_REGION_NUMBER0;
  MPU_InitStruct.TypeExtField     = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec      = MPU_INSTRUCTION_ACCESS_ENABLE;

  HAL_MPU_ConfigRegion(&MPU_InitStruct);

  /* Enable the MPU */
  HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
}


 void CPU_CACHE_Enable(void)
{
  /* Enable I-Cache */
  SCB_EnableICache();

  /* Enable D-Cache */
  SCB_EnableDCache();
}


void DeviceInitialize()
{
	MPU_Config();
  CPU_CACHE_Enable();
  HAL_Init();
  SystemClock_Config();
  SystemCoreClockUpdate();
	
	/*Initilize call func.*/
	netDHCP_Disable (0);
	LED_RELAY_Init();
}