神舟IV号开发板以太网IAP固件升级功能演示及源代码

单片机源程序如下:

1. /**
   
2.   ******************************************************************************
   
3.   * @file    main.c
   
4.   * @author  MCD Application Team
   
5.   * @version V1.0.0
   
6.   * @date    07/16/2010
   
7.   * @brief   Main program body
   
8.   ******************************************************************************
   
9.   * @copy
   
10.   *
    
11.   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
    
12.   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
    
13.   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
    
14.   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
    
15.   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
    
16.   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
    
17.   *
    
18.   * <h2><center>© COPYRIGHT 2010 STMicroelectronics</center></h2>
    
19.   */
    
20. 
    
21. /* Includes ------------------------------------------------------------------*/
    
22. #include "stm32_eth.h"
    
23. #include "ethernetif.h"
    
24. #include "netconf.h"
    
25. #include "main.h"
    
26. #include "httpserver.h"
    
27. #include "tftpserver.h"
    
28. #include "flash_if.h"
    
29. #include <stdio.h>
    
30. #include <usart.h>
    
31. 
    
32. /* Private typedef -----------------------------------------------------------*/
    
33. typedef  void (*pFunction)(void);
    
34. 
    
35. /* Private define ------------------------------------------------------------*/
    
36. #define SYSTEMTICK_PERIOD_MS  10
    
37. 
    
38. #define ERR_MESSAGE1   " no user application"
    
39. #define ERR_MESSAGE2   " Detected, Pls Press"
    
40. #define ERR_MESSAGE3   " Key2 while reset to"
    
41. #define ERR_MESSAGE4   " Upload application."
    
42. /* Private macro -------------------------------------------------------------*/
    
43. /* Private variables ---------------------------------------------------------*/
    
44. __IO uint32_t LocalTime = 0; /* this variable is used to create a time reference incremented by 10ms */
    
45. uint32_t timingdelay;
    
46. pFunction Jump_To_Application;
    
47. uint32_t JumpAddress;
    
48. 
    
49. /* Private function prototypes -----------------------------------------------*/
    
50. void System_Periodic_Handle(void);
    
51. 
    
52. /* Private functions ---------------------------------------------------------*/
    
53. 
    
54. void Show_Msg(void)
    
55. {
    
56.     printf("\r\n\n\n ================JISHU  %s configured ==============", EVAL_COM1_STR);
    
57.     printf("\n\r STM32 Connectivity Line Device\n\r");
    
58.     printf("\n\r In-Application Programming (IAP) over Ethernet....\n\r");
    
59.     printf("\n\r User Application will be store at addr 0x%x\n\r", USER_FLASH_FIRST_PAGE_ADDRESS);
    
60.     //printf("\n\r IP address is: 192.168.1.6\n\r");
    
61. }
    
62. 
    
63. u16 Show_ETH_PHY(u16 PHYRegAddr)
    
64. {
    
65.   u16 PHYRegData;
    
66.   PHYRegData = ETH_ReadPHYRegister(0,PHYRegAddr);
    
67.   printf("\n\rETH_ReadPHYRegister(0,%d):0x%X", PHYRegAddr, PHYRegData);
    
68.   return PHYRegData;
    
69. }
    
70. 
    
71. void Check_ETH_PHY(void)
    
72. {
    
73.     if(Show_ETH_PHY(17) & 0x3000)
    
74.     {  
    
75.       /* Set Ethernet speed to 10M following the autonegotiation */   
    
76.       printf("\n\r==>ETH_Speed_10M!");
    
77.     }
    
78.     else
    
79.     {   
    
80.       /* Set Ethernet speed to 100M following the autonegotiation */
    
81.       printf("\n\r==>ETH_Speed_100M!");     
    
82.     }
    
83.     /* Configure the MAC with the Duplex Mode fixed by the autonegotiation process */
    
84.     if((Show_ETH_PHY(17) & 0xA000) != (uint32_t)RESET)
    
85.     {
    
86.       /* Set Ethernet duplex mode to FullDuplex following the autonegotiation */
    
87.       printf("\n\r==>ETH_Mode_FullDuplex!");
    
88.             
    
89.     }
    
90.     else
    
91.     {
    
92.       /* Set Ethernet duplex mode to HalfDuplex following the autonegotiation */
    
93.       printf("\n\r==>ETH_Mode_HalfDuplex!");
    
94.     }
    
95. }
    
96. 
    
97. 
    
98. void Delay_ARMJISHU(__IO uint32_t nCount)
    
99. {
    
100.   for (; nCount != 0; nCount--);
     
101. }
     
102. 
     
103. 
     
104. /**
     
105.   * @brief  Main program.
     
106.   * @param  None
     
107.   * @retval None
     
108.   */
     
109. int main(void)
     
110. {
     
111.   static uint32_t addr32;
     
112.   /* Initialize Key Button mounted on STM3210C-EVAL board */      
     
113.   STM_EVAL_PBInit(Button_KEY, Mode_GPIO);   
     
114.   
     
115.   /* Test if Key push-button on STM3210C-EVAL Board is not pressed */
     
116.   if (STM_EVAL_PBGetState(Button_KEY) != 0x00)
     
117.   { /* Key push-button not pressed: jump to user application */
     
118.   
     
119.     /* Check if valid stack address (RAM address) then jump to user application */
     
120.     if (((*(__IO uint32_t*)USER_FLASH_FIRST_PAGE_ADDRESS) & 0x2FFE0000 ) == 0x20000000)
     
121.     {
     
122.       STM_EVAL_LEDInit(LED1);
     
123.       STM_EVAL_LEDOn(LED1);
     
124.       
     
125.       addr32 = USER_FLASH_FIRST_PAGE_ADDRESS;
     
126.       
     
127.       /* Jump to user application */
     
128.       JumpAddress = *(__IO uint32_t*) (USER_FLASH_FIRST_PAGE_ADDRESS + 4);
     
129.       Jump_To_Application = (pFunction) JumpAddress;
     
130.       /* Initialize user application's Stack Pointer */
     
131.       __set_MSP(*(__IO uint32_t*) USER_FLASH_FIRST_PAGE_ADDRESS);
     
132.       Jump_To_Application();
     
133.     }
     
134.     else
     
135.     {/* Otherwise, do nothing */
     
136.       /* LED3 (RED) ON to indicate bad software (when not valid stack address) */
     
137.       STM_EVAL_LEDInit(LED3);
     
138.       STM_EVAL_LEDOn(LED3);
     
139. 
     
140.       USART_COM1_Init();
     
141.       printf("\n\r ==>" ERR_MESSAGE1 ERR_MESSAGE2 ERR_MESSAGE3 ERR_MESSAGE4"<==\n\r");
     
142.       #ifdef USE_LCD
     
143.         /* Initialize the STM3210C-EVAL's LCD */
     
144.         STM3210C_LCD_Init();
     
145.       #endif
     
146.       LCD_DisplayWelcomeStr(Line2);
     
147.       LCD_DisplayStringLine(Line4, ERR_MESSAGE1);   
     
148.       LCD_DisplayStringLine(Line5, ERR_MESSAGE2);
     
149.       LCD_DisplayStringLine(Line6, ERR_MESSAGE3);
     
150.       LCD_DisplayStringLine(Line7, ERR_MESSAGE4);
     
151.       /* do nothing */
     
152.       while(1);
     
153.     }
     
154.   }
     
155.   /* enter in IAP mode */
     
156.   else
     
157.   {
     
158.     /* Setup STM32 system (clocks, Ethernet, GPIO, NVIC)
     
159.                             and STM3210C-EVAL resources */
     
160.     System_Setup();
     
161. 
     
162.     Show_Msg();
     
163.     Check_ETH_PHY();
     
164.   
     
165.     /* Initilaize the LwIP stack */
     
166.     LwIP_Init();
     
167.    
     
168. #ifdef USE_IAP_HTTP
     
169.     /* Initilaize the webserver module */
     
170.     IAP_httpd_init();
     
171. #endif
     
172.   
     
173. #ifdef USE_IAP_TFTP   
     
174.     /* Initialize the TFTP server */
     
175.     IAP_tftpd_init();
     
176. #endif   
     
177.    
     
178.     /* Infinite loop */
     
179.     while (1)
     
180.     {
     
181.       /* check if any packet received */
     
182.       if (ETH_GetRxPktSize()!=0)
     
183.       {
     
184.         /* process received eth packet */
     
185.         LwIP_Pkt_Handle();
     
186.       }
     
187.       /* Periodic tasks */
     
188.       System_Periodic_Handle();
     
189.     }
     
190.   }
     
191.   return 0;
     
192. }
     
193. 
     
194. /**
     
195.   * @brief  Inserts a delay time.
     
196.   * @param  nCount: number of 10ms periods to wait for.
     
197.   * @retval None
     
198.   */
     
199. void Delay(uint32_t nCount)
     
200. {
     
201.   /* Capture the current local time */
     
202.   timingdelay = LocalTime + nCount;  
     
203. 
     
204.   /* wait until the desired delay finish */  
     
205.   while(timingdelay > LocalTime)
     
206.   {     
     
207.   }
     
208. }
     
209. 
     
210. /**
     
211.   * @brief  Updates the system local time
     
212.   * @param  None
     
213.   * @retval None
     
214.   */
     
215. void Time_Update(void)
     
216. {
     
217.   LocalTime += SYSTEMTICK_PERIOD_MS;
     
218. }
     
219. 
     
220. /**
     
221.   * @brief  Handles the periodic tasks of the system
     
222.   * @param  None
     
223.   * @retval None
     
224.   */
     
225. void System_Periodic_Handle(void)
     
226. {
     
227. #ifdef USE_LCD
     
228.   
     
229.   /* Update the LCD display and the LEDs status */
     
230.   /* Manage the IP address setting */
     
231.   Display_Periodic_Handle(LocalTime);
     
232.   
     
233. #endif
     
234. ……………………
     
235. 
     
236. …………限于本文篇幅 余下代码请从51黑下载附件…………
     

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