Microchip%20TCP_IP%20stack/TCPIP%20Stack/Reboot.c

/*********************************************************************
 *
 *      Reboot Module
 *  Module for Microchip TCP/IP Stack
 *       -Remotely resets the PIC
 *       -Reference: None yet.  Hopefully AN833 in the future.
 *
 *********************************************************************
 * FileName:        Reboot.c
 * Dependencies:    TCPIP.h
 * Processor:       PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F
 * Complier:        Microchip C18 v3.10 or higher
 *                                      Microchip C30 v2.04 or higher
 * Company:         Microchip Technology, Inc.
 *
 * Software License Agreement
 *
 * Copyright © 2002-2007 Microchip Technology Inc.  All rights 
 * reserved.
 *
 * Microchip licenses to you the right to use, modify, copy, and 
 * distribute: 
 * (i)  the Software when embedded on a Microchip microcontroller or 
 *      digital signal controller product (“Device”) which is 
 *      integrated into Licensee’s product; or
 * (ii) ONLY the Software driver source files ENC28J60.c and 
 *      ENC28J60.h ported to a non-Microchip device used in 
 *      conjunction with a Microchip ethernet controller for the 
 *      sole purpose of interfacing with the ethernet controller. 
 *
 * You should refer to the license agreement accompanying this 
 * Software for additional information regarding your rights and 
 * obligations.
 *
 * THE SOFTWARE AND DOCUMENTATION ARE PROVIDED “AS IS” WITHOUT 
 * WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT 
 * LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
 * PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL 
 * MICROCHIP BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR 
 * CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF 
 * PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, ANY CLAIMS 
 * BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE 
 * THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION, OR OTHER 
 * SIMILAR COSTS, WHETHER ASSERTED ON THE BASIS OF CONTRACT, TORT 
 * (INCLUDING NEGLIGENCE), BREACH OF WARRANTY, OR OTHERWISE.
 *
 *
 * Author               Date            Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Howard Schlunder     02/22/07        Original
 ********************************************************************/
#define __REBOOT_C

#include "TCPIP Stack/TCPIP.h"
#if defined(STACK_USE_REBOOT_SERVER)

#define REBOOT_PORT             30304   //UDP


/*********************************************************************
 * Function:        void RebootTask(void)
 *
 * PreCondition:    Stack is initialized()
 *
 * Input:           None
 *
 * Output:          None
 *
 * Side Effects:    None
 *
 * Overview:        Checks for incomming traffic on port 30304.  
 *                                      Resets the PIC if a 'R' is received.
 *
 * Note:            This module is primarily for use with the 
 *                                      Ethernet bootloader.  By resetting, the Ethernet 
 *                                      bootloader can take control for a second and let
 *                                      a firmware upgrade take place.
 ********************************************************************/
void RebootTask(void)
{
        static UDP_SOCKET       MySocket = INVALID_UDP_SOCKET;
        BYTE                            i;
        
        if(MySocket == INVALID_UDP_SOCKET)
                MySocket = UDPOpen(REBOOT_PORT, NULL, INVALID_UDP_PORT);

        if(MySocket == INVALID_UDP_SOCKET)
                return;

        // Do nothing if no data is waiting
        if(!UDPIsGetReady(MySocket))
                return;
        
        // See if this is a valid packet specifing that we should reboot
        UDPGet(&i);
        if(i != 0x00)
                return;

        Reset();
}

#endif //#if defined(STACK_USE_REBOOT_SERVER)
1	/*********************************************************************
2	*
3	* Reboot Module
4	* Module for Microchip TCP/IP Stack
5	* -Remotely resets the PIC
6	* -Reference: None yet. Hopefully AN833 in the future.
7	*
8	*********************************************************************
9	* FileName: Reboot.c
10	* Dependencies: TCPIP.h
11	* Processor: PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F
12	* Complier: Microchip C18 v3.10 or higher
13	* Microchip C30 v2.04 or higher
14	* Company: Microchip Technology, Inc.
15	*
16	* Software License Agreement
17	*
18	* Copyright © 2002-2007 Microchip Technology Inc. All rights
19	* reserved.
20	*
21	* Microchip licenses to you the right to use, modify, copy, and
22	* distribute:
23	* (i) the Software when embedded on a Microchip microcontroller or
24	* digital signal controller product (“Device”) which is
25	* integrated into Licensee’s product; or
26	* (ii) ONLY the Software driver source files ENC28J60.c and
27	* ENC28J60.h ported to a non-Microchip device used in
28	* conjunction with a Microchip ethernet controller for the
29	* sole purpose of interfacing with the ethernet controller.
30	*
31	* You should refer to the license agreement accompanying this
32	* Software for additional information regarding your rights and
33	* obligations.
34	*
35	* THE SOFTWARE AND DOCUMENTATION ARE PROVIDED “AS IS” WITHOUT
36	* WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
37	* LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
38	* PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL
39	* MICROCHIP BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR
40	* CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF
41	* PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, ANY CLAIMS
42	* BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE
43	* THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION, OR OTHER
44	* SIMILAR COSTS, WHETHER ASSERTED ON THE BASIS OF CONTRACT, TORT
45	* (INCLUDING NEGLIGENCE), BREACH OF WARRANTY, OR OTHERWISE.
46	*
47	*
48	* Author Date Comment
49	*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
50	* Howard Schlunder 02/22/07 Original
51	********************************************************************/
52	#define __REBOOT_C
53
54	#include "TCPIP Stack/TCPIP.h"
55	#if defined(STACK_USE_REBOOT_SERVER)
56
57	#define REBOOT_PORT 30304 //UDP
58
59
60	/*********************************************************************
61	* Function: void RebootTask(void)
62	*
63	* PreCondition: Stack is initialized()
64	*
65	* Input: None
66	*
67	* Output: None
68	*
69	* Side Effects: None
70	*
71	* Overview: Checks for incomming traffic on port 30304.
72	* Resets the PIC if a 'R' is received.
73	*
74	* Note: This module is primarily for use with the
75	* Ethernet bootloader. By resetting, the Ethernet
76	* bootloader can take control for a second and let
77	* a firmware upgrade take place.
78	********************************************************************/
79	void RebootTask(void)
80	{
81	static UDP_SOCKET MySocket = INVALID_UDP_SOCKET;
82	BYTE i;
83
84	if(MySocket == INVALID_UDP_SOCKET)
85	MySocket = UDPOpen(REBOOT_PORT, NULL, INVALID_UDP_PORT);
86
87	if(MySocket == INVALID_UDP_SOCKET)
88	return;
89
90	// Do nothing if no data is waiting
91	if(!UDPIsGetReady(MySocket))
92	return;
93
94	// See if this is a valid packet specifing that we should reboot
95	UDPGet(&i);
96	if(i != 0x00)
97	return;
98
99	Reset();
100	}
101
102	#endif //#if defined(STACK_USE_REBOOT_SERVER)