LAN8720 ETH Board STM32源碼與電路圖等資料

ID:380937 · 發表于 2018-7-30 16:21

LAN8720的pdf資料：

電路原理圖如下：

Development environment:KEIL MDK 4.0
Downloader;ULINK
Development Board IP: 192.168.0.100
PC client IP :192.168.0.xx

單片機源程序如下:

/**
******************************************************************************
* @file main.c
* @author MCD Application Team
* @version V1.0.0
* @date 11/20/2009
* @brief Main program body
******************************************************************************
* @copy
*
* 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>© COPYRIGHT 2009 STMicroelectronics</center></h2>
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32_eth.h"
#include "netconf.h"
#include "main.h"
#include "helloworld.h"
#include "httpd.h"
#include "tftpserver.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define SYSTEMTICK_PERIOD_MS 10
/* 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 System_Periodic_Handle(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* Setup STM32 system (clocks, Ethernet, GPIO, NVIC) and STM3210C-EVAL resources */
System_Setup();
/* Initilaize the LwIP satck */
LwIP_Init();
/* Initilaize the HelloWorld module */
HelloWorld_init();
/* Initilaize the webserver module */
httpd_init();
/* Initialize the TFTP server */
tftpd_init();
/* Infinite loop */
while (1)
{
/* Periodic tasks */
System_Periodic_Handle();
}
}
/**
* @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 Handles the periodic tasks of the system
* @param None
* @retval None
*/
void System_Periodic_Handle(void)
{
/* Update the LCD display and the LEDs status */
/* Manage the IP address setting */
Display_Periodic_Handle(LocalTime);
/* LwIP periodic services are done here */
LwIP_Periodic_Handle(LocalTime);
}
#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 2009 STMicroelectronics *****END OF FILE****/