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hedin |
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#define THIS_IS_STACK_APPLICATION
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#include "stacktsk.h"
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#include "dhcp.h"
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#include "xlcd.h"
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#include "tick.h"
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#include "delay.h"
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#include "udp.h"
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#include "arp.h"
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#include "arptsk.h"
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hedin |
93 |
#include "tcp.h"
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hedin |
91 |
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// All TFTP command statuts display will be done on first line of LCD.
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#define TFTP_COMMAND_DISPLAY_LINE 0
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// Result will be displayed at y = 15.
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#define TFTP_COMMAND_RESULT_POSITION 15
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#define STARTUP_MSG "G1_Build_0x00"
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ROM char StartupMsg[] = STARTUP_MSG;
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#if defined(STACK_USE_DHCP) || defined(STACK_USE_IP_GLEANING)
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ROM char DHCPMsg[] = "DHCP/Gleaning...";
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#endif
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ROM char SetupMsg[] = "Board Setup...";
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// 1234567890123456
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ROM char blankLCDLine[] = " ";
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/*
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* This is used by other stack elements.
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* Main application must define this and initialize it with
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* proper values.
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*/
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APP_CONFIG AppConfig;
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BYTE myDHCPBindCount = 0;
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#if defined(STACK_USE_DHCP)
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extern BYTE DHCPBindCount;
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#else
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/*
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* If DHCP is not enabled, force DHCP update.
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*/
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BYTE DHCPBindCount = 1;
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#endif
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/*
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* Set configuration fuses for HITECH compiler.
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* For MCC18 compiler, separately linked config.asm file
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* will set the correct fuses.
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*/
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#if defined(HITECH_C18)
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__CONFIG(1, UNPROTECT & HS);
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__CONFIG(2, PWRTEN & BORDIS & WDTDIS);
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#endif
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/*
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* Private helper functions.
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* These may or may not be present in all applications.
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*/
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static void InitAppConfig(void);
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static void InitializeBoard(void);
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static void DisplayIPValue(IP_ADDR *IPVal, BOOL bToLCD);
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static void SetConfig(void);
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hedin |
93 |
/*void network_send_hello( unsigned char termid )
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{
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if (DHCPIsBound())
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{
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RA3 =0;
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if (sock_open == 0)
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{
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if (ARPIsTxReady())
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{
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if (is_resolved == 0)
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{
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ARPResolve( &rnode.IPAddr);
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is_resolved = 1;
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}
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else
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{
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if (ARPIsResolved( &rnode.IPAddr, &rnode.MACAddr))
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//if (MyArp( &rnode))
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{
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usock1=UDPOpen(2000,&rnode,3000); // socket to send UDP
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sock_open=1;
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}
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}
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}
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}
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if (UDPIsPutReady(usock1) && datagrams_to_send>0)
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{
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UDPPut( rnode.MACAddr.v[0] );
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UDPPut( rnode.MACAddr.v[1] );
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UDPPut( rnode.MACAddr.v[2] );
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UDPPut( rnode.MACAddr.v[3] );
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UDPPut( rnode.MACAddr.v[4] );
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UDPPut( rnode.MACAddr.v[5] );
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UDPPut('D');
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UDPPut('a');
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UDPPut('w');
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UDPPut(0);
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UDPFlush();
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datagrams_to_send--;
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}
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}
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}
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*/
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void WriteTcpStatus(char status)
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{
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XLCDGoto(0,0);
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status += 'a';
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XLCDPut(status);
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}
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hedin |
91 |
void main(void)
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{
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// Tick to blink SYSTEM led.
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static TICK t = 0;
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hedin |
93 |
TCP_SOCKET usock1;
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hedin |
91 |
NODE_INFO rnode;
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hedin |
93 |
char sock_state = 0;
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hedin |
91 |
char is_resolved = 0;
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hedin |
93 |
char has_arp = 0;
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hedin |
91 |
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hedin |
93 |
TICK tick;
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TICK lastTick;
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TICK diffTicks;
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hedin |
91 |
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/*
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* Initialize any application specific hardware.
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*/
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InitializeBoard();
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/*
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* Initialize all stack related components.
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* Following steps must be performed for all applications using
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* PICmicro TCP/IP Stack.
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*/
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TickInit();
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/*
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* Initialize Stack and application related NV variables.
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*/
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InitAppConfig();
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StackInit();
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#if defined(STACK_USE_DHCP) || defined(STACK_USE_IP_GLEANING)
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if ( AppConfig.Flags.bIsDHCPEnabled )
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{
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XLCDGoto(1, 0);
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XLCDPutROMString(DHCPMsg);
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}
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else
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{
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/*
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* Force IP address display update.
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*/
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myDHCPBindCount = 1;
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#if defined(STACK_USE_DHCP)
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DHCPDisable();
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#endif
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}
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#endif
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/*
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* Once all items are initialized, go into infinite loop and let
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* stack items execute their tasks.
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* If application needs to perform its own task, it should be
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* done at the end of while loop.
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* Note that this is a "co-operative mult-tasking" mechanism
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* where every task performs its tasks (whether all in one shot
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* or part of it) and returns so that other tasks can do their
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* job.
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* If a task needs very long time to do its job, it must broken
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* down into smaller pieces so that other tasks can have CPU time.
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*/
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// Defines the IP add. on the server machine
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rnode.IPAddr.v[0] = 192;
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rnode.IPAddr.v[1] = 168;
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rnode.IPAddr.v[2] = 1;
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rnode.IPAddr.v[3] = 20;
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/*rnode.MACAddr.v[0] = 0x00;
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rnode.MACAddr.v[1] = 0x16;
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rnode.MACAddr.v[2] = 0x76;
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rnode.MACAddr.v[3] = 0x9F;
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rnode.MACAddr.v[4] = 0xFE;
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rnode.MACAddr.v[5] = 0xDA;*/
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while(1)
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{
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/*
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* Blink SYSTEM LED every second.
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*/
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if ( TickGetDiff(TickGet(), t) >= TICK_SECOND/2 )
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{
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t = TickGet();
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LATA4 ^= 1;
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}
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/*
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* This task performs normal stack task including checking
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* for incoming packet, type of packet and calling
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* appropriate stack entity to process it.
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*/
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StackTask();
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/*
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* For DHCP information, display how many times we have renewed the IP
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* configuration since last reset.
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*/
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if ( DHCPBindCount != myDHCPBindCount )
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{
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DisplayIPValue(&AppConfig.MyIPAddr, TRUE);
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myDHCPBindCount = DHCPBindCount;
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if ( AppConfig.Flags.bIsDHCPEnabled )
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{
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XLCDGoto(1, 14);
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if ( myDHCPBindCount < 0x0a )
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XLCDPut(myDHCPBindCount + '0');
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else
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XLCDPut(myDHCPBindCount + 'A');
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}
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}
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hedin |
93 |
WriteTcpStatus( TCB[usock1].smState );
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hedin |
91 |
if (DHCPIsBound())
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{
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RA3 =0;
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hedin |
93 |
if (has_arp == 0)
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hedin |
91 |
{
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if (ARPIsTxReady())
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{
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if (is_resolved == 0)
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{
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ARPResolve( &rnode.IPAddr);
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is_resolved = 1;
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}
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else
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{
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if (ARPIsResolved( &rnode.IPAddr, &rnode.MACAddr))
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{
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hedin |
93 |
has_arp = 1;
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hedin |
91 |
}
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}
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hedin |
93 |
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hedin |
91 |
}
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}
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hedin |
93 |
if (has_arp == 1)
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{
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if (sock_state == 0)
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{
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usock1=TCPConnect(&rnode,3000);
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sock_state = 1;
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| 275 |
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}
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if (sock_state ==1 && TCPIsConnected(usock1) && TCPIsPutReady(usock1))
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{
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| 278 |
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TCPPut(usock1,'D');
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TCPPut(usock1,'a');
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TCPPut(usock1,'w');
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TCPPut(usock1,0);
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TCPFlush(usock1);
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sock_state = 2;
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}
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| 286 |
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if (sock_state == 2 && TCPIsPutReady(usock1))
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| 287 |
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{
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| 288 |
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TCPDisconnect(usock1);
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lastTick = TickGet();
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sock_state =3;
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| 291 |
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}
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| 292 |
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tick = TickGet();
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diffTicks = TickGetDiff(tick, lastTick);
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if ( sock_state == 3 && diffTicks > ((TICK)TICK_SECOND * (TICK)2) )
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sock_state = 0;
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}
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hedin |
91 |
}
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}
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}
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| 303 |
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#if defined(MCHP_C18)
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#pragma interrupt HighISR save=section(".tmpdata")
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| 305 |
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void HighISR(void)
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| 306 |
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#elif defined(HITECH_C18)
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| 307 |
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#if defined(STACK_USE_SLIP)
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| 308 |
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extern void MACISR(void);
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| 309 |
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#endif
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| 310 |
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void interrupt HighISR(void)
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#endif
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| 312 |
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{
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| 313 |
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TickUpdate();
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| 314 |
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/*
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| 315 |
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#if defined(STACK_USE_SLIP)
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| 316 |
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MACISR();
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| 317 |
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#endif
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| 318 |
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*/
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| 319 |
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}
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| 320 |
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| 321 |
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#if defined(MCHP_C18)
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| 322 |
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#pragma code highVector=0x08
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| 323 |
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void HighVector (void)
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| 324 |
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{
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| 325 |
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_asm goto HighISR _endasm
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| 326 |
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}
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| 327 |
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#pragma code /* return to default code section */
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| 328 |
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#endif
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| 329 |
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| 330 |
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static void DisplayIPValue(IP_ADDR *IPVal, BOOL bToLCD)
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| 331 |
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{
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| 332 |
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char IPDigit[8];
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| 333 |
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| 334 |
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if ( bToLCD )
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| 335 |
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{
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| 336 |
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/*
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| 337 |
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* Erase second line.
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| 338 |
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*/
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| 339 |
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XLCDGoto(1, 0);
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| 340 |
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XLCDPutROMString(blankLCDLine);
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| 341 |
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| 342 |
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}
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| 343 |
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| 344 |
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/*
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| 345 |
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* Rewrite the second line.
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| 346 |
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*/
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| 347 |
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XLCDGoto(1, 0);
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| 348 |
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| 349 |
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itoa(IPVal->v[0], IPDigit);
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| 350 |
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if ( bToLCD )
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| 351 |
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{
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| 352 |
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XLCDPutString(IPDigit);
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| 353 |
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XLCDPut('.');
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| 354 |
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}
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| 355 |
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| 356 |
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itoa(IPVal->v[1], IPDigit);
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| 357 |
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if ( bToLCD )
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| 358 |
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{
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| 359 |
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XLCDPutString(IPDigit);
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| 360 |
|
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XLCDPut('.');
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| 361 |
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}
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| 362 |
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| 363 |
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itoa(IPVal->v[2], IPDigit);
|
| 364 |
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if ( bToLCD )
|
| 365 |
|
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{
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| 366 |
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XLCDPutString(IPDigit);
|
| 367 |
|
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XLCDPut('.');
|
| 368 |
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}
|
| 369 |
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| 370 |
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itoa(IPVal->v[3], IPDigit);
|
| 371 |
|
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if ( bToLCD )
|
| 372 |
|
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XLCDPutString(IPDigit);
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| 373 |
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}
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| 374 |
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| 375 |
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/*********************************************************************
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| 376 |
|
|
* Function: void InitializeBoard(void)
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*
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* PreCondition: None
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*
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* Input: None
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*
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* Output: None
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*
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* Side Effects: None
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*
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* Overview: Initialize board specific hardware.
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*
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* Note: None
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********************************************************************/
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static void InitializeBoard(void)
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{
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/*
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* Setup for PORTA.RA0 as analog input while rests
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* as digital i/o lines.
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*/
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ADCON1 = 0b10001110; // RA0 as analog input, Right justified
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TRISA = 0x03;
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/*
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* LCD is enabled using RA5.
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*/
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PORTA_RA5 = 0; // Disable LCD.
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/*
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* Turn off the LED's.
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*/
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LATA2 = 1;
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LATA3 = 1;
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/*
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* External data EEPROM needs pull-ups, so enable internal
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* pull-ups.
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*/
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INTCON2_RBPU = 0;
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XLCDInit();
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XLCDGoto(0, 0);
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XLCDPutROMString(StartupMsg);
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T0CON = 0;
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INTCON_GIEH = 1;
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INTCON_GIEL = 1;
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}
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/*********************************************************************
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* Function: void InitAppConfig(void)
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*
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* PreCondition: MPFSInit() is already called.
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*
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* Input: None
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*
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* Output: Write/Read non-volatile config variables.
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*
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* Side Effects: None
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*
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* Overview: None
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*
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* Note: None
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********************************************************************/
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static void InitAppConfig(void)
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{
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/*
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* Load default configuration into RAM.
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*/
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AppConfig.MyIPAddr.v[0] = MY_DEFAULT_IP_ADDR_BYTE1;
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AppConfig.MyIPAddr.v[1] = MY_DEFAULT_IP_ADDR_BYTE2;
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AppConfig.MyIPAddr.v[2] = MY_DEFAULT_IP_ADDR_BYTE3;
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AppConfig.MyIPAddr.v[3] = MY_DEFAULT_IP_ADDR_BYTE4;
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AppConfig.MyMask.v[0] = MY_DEFAULT_MASK_BYTE1;
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AppConfig.MyMask.v[1] = MY_DEFAULT_MASK_BYTE2;
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AppConfig.MyMask.v[2] = MY_DEFAULT_MASK_BYTE3;
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AppConfig.MyMask.v[3] = MY_DEFAULT_MASK_BYTE4;
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AppConfig.MyGateway.v[0] = MY_DEFAULT_GATE_BYTE1;
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AppConfig.MyGateway.v[1] = MY_DEFAULT_GATE_BYTE2;
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AppConfig.MyGateway.v[2] = MY_DEFAULT_GATE_BYTE3;
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AppConfig.MyGateway.v[3] = MY_DEFAULT_GATE_BYTE4;
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AppConfig.MyMACAddr.v[0] = MY_DEFAULT_MAC_BYTE1;
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AppConfig.MyMACAddr.v[1] = MY_DEFAULT_MAC_BYTE2;
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AppConfig.MyMACAddr.v[2] = MY_DEFAULT_MAC_BYTE3;
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AppConfig.MyMACAddr.v[3] = MY_DEFAULT_MAC_BYTE4;
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AppConfig.MyMACAddr.v[4] = MY_DEFAULT_MAC_BYTE5;
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AppConfig.MyMACAddr.v[5] = MY_DEFAULT_MAC_BYTE6;
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#if defined(STACK_USE_DHCP)
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AppConfig.Flags.bIsDHCPEnabled = TRUE;
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#else
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AppConfig.Flags.bIsDHCPEnabled = FALSE;
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#endif
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}
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BOOL StringToIPAddress(char *str, IP_ADDR *buffer)
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{
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| 477 |
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BYTE v;
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char *temp;
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BYTE byteIndex;
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temp = str;
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byteIndex = 0;
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| 483 |
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while( v = *str )
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{
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| 486 |
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if ( v == '.' )
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| 487 |
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{
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| 488 |
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*str++ = '\0';
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| 489 |
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buffer->v[byteIndex++] = atoi(temp);
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| 490 |
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temp = str;
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| 491 |
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}
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| 492 |
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else if ( v < '0' || v > '9' )
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return FALSE;
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| 494 |
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| 495 |
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str++;
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| 496 |
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}
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| 497 |
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| 498 |
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buffer->v[byteIndex] = atoi(temp);
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| 499 |
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| 500 |
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return (byteIndex == 3);
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| 501 |
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}
|
| 502 |
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|
| 503 |
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|
| 504 |
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void XLCDDelay15ms(void)
|
| 505 |
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{
|
| 506 |
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DelayMs(15);
|
| 507 |
|
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}
|
| 508 |
|
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void XLCDDelay4ms(void)
|
| 509 |
|
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{
|
| 510 |
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DelayMs(4);
|
| 511 |
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}
|
| 512 |
|
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|
| 513 |
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void XLCDDelay100us(void)
|
| 514 |
|
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{
|
| 515 |
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INTCON_GIEH = 0;
|
| 516 |
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Delay10us(1);
|
| 517 |
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INTCON_GIEH = 1;
|
| 518 |
|
|
}
|
| 519 |
hedin |
92 |
|
| 520 |
|
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Parent Directory
| 
Revision Log