main.c

/**
  ******************************************************************************
  * @file    main.c
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    31-October-2011
  * @brief   Main program body
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4x7_eth.h"
#include "netconf.h"
#include "main.h"
#include "tcp_echoserver.h"
#include "serial_debug.h"
#include <stdio.h>

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define SYSTEMTICK_PERIOD_MS  10

/*--------------- LCD Messages ---------------*/
#define MESSAGE1   "     STM32F4x7      "
#define MESSAGE2   "  STM32F-4 Series   "
#define MESSAGE3   " TCP echoserver Demo"
#define MESSAGE4   "                    "

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
__IO uint32_t LocalTime = 0; /* this variable is used to create a time reference incremented by 10ms */
uint32_t timingdelay;

/* Private function prototypes -----------------------------------------------*/
void LCD_LED_Init(void);

/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured to 
       168 MHz, this is done through SystemInit() function which is called from
       startup file (startup_stm32f4xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f4xx.c file
     */  

#ifdef SERIAL_DEBUG
  DebugComPort_Init();  
#endif

  /*Initialize LCD and Leds */ 
  LCD_LED_Init();
  
  /* configure ethernet (GPIOs, clocks, MAC, DMA) */ 
  ETH_BSP_Config();
    
  /* Initilaize the LwIP stack */
  LwIP_Init();
  
  /* tcp echo server Init */
  tcp_echoserver_init();
   
  /* Infinite loop */
  while (1)
  {  
    /* check if any packet received */
    if (ETH_CheckFrameReceived())
    { 
      /* process received ethernet packet */
      LwIP_Pkt_Handle();
    }
    /* handle periodic timers for LwIP */
    LwIP_Periodic_Handle(LocalTime);
  }   
}

/**
  * @brief  Inserts a delay time.
  * @param  nCount: number of 10ms periods to wait for.
  * @retval None
  */
void Delay(uint32_t nCount)
{
  /* Capture the current local time */
  timingdelay = LocalTime + nCount;  

  /* wait until the desired delay finish */  
  while(timingdelay > LocalTime)
  {     
  }
}

/**
  * @brief  Updates the system local time
  * @param  None
  * @retval None
  */
void Time_Update(void)
{
  LocalTime += SYSTEMTICK_PERIOD_MS;
}

/**
  * @brief  Initializes the STM324xG-EVAL's LCD and LEDs resources.
  * @param  None
  * @retval None
  */
void LCD_LED_Init(void)
{
#ifdef USE_LCD
  /* Initialize the STM324xG-EVAL's LCD */
  STM324xG_LCD_Init();
#endif

  /* Initialize STM324xG-EVAL's LEDs */
  STM_EVAL_LEDInit(LED5);
  STM_EVAL_LEDInit(LED6);
  STM_EVAL_LEDInit(LED3);
  STM_EVAL_LEDInit(LED4);

  /* Leds on */
  STM_EVAL_LEDOn(LED5);
  STM_EVAL_LEDOn(LED6);
  STM_EVAL_LEDOn(LED3);
  STM_EVAL_LEDOn(LED4);
  
#ifdef USE_LCD
  /* Clear the LCD */
  LCD_Clear(Black);

  /* Set the LCD Back Color */
  LCD_SetBackColor(Black);

  /* Set the LCD Text Color */
  LCD_SetTextColor(White);

  /* Display message on the LCD*/
  LCD_DisplayStringLine(Line0, (uint8_t*)MESSAGE1);
  LCD_DisplayStringLine(Line1, (uint8_t*)MESSAGE2);
  LCD_DisplayStringLine(Line2, (uint8_t*)MESSAGE3);
  LCD_DisplayStringLine(Line3, (uint8_t*)MESSAGE4);  
#endif
}

#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


/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/