AN2120: Connecting an M68HC08 Family Microcontroller to an ...

More documents

Recommendations

Info

Application Note Desc : Sends a BYTE array of len length following the popular SLIP format ***********************************************************************/ void ProcSLIPSend (BYTE *ptr, BYTE len) { } WriteComm (SLIP_END); // Write start of SLIP frame while (len--) { // Send all buffer in SLIP format switch (*ptr) { // check to see if is a special character case SLIP_END: WriteComm (SLIP_ESC); // escape special character WriteComm (ESC_END); break; case SLIP_ESC: WriteComm (SLIP_ESC); // escape special character WriteComm (ESC_ESC); break; default: WriteComm (*ptr); // send raw character } ptr++; // continue with next character send } WriteComm (SLIP_END); // Write END of SLIP frame /*********************************************************************** Function : SLIPEntry Parameters : None Date : August 2000 Desc : SLIP Module Entry, Applications should call SLIPEntry frequently in the main loop or in portions of the app code. ***********************************************************************/ void SLIPEntry (void) { if (SLIPStatus & IsFrame) { if (!IPCompare (&ip_in->DestAddress[0])) { } else { /* Misrouted datagram or broadcast message received */ /* Do extra processing here */ switch (ip_in->Protocol) { /* Select protocol handler */ case UDP: UDP_Handler ((UDPDatagram *)&ip_in->SourceAddress[0]); break; case TCP: break; AN2120 58 MOTOROLA
} AN2120 } case ICMP: IcmpHandler ((IPDatagram *)ip_in); break; Application Note Code Implementation default: break; } } SLIPStatus &= ~IsFrame; /* Acknowledge datagram processing */ SLIPStatus |= ReSync; /* Synchronize packet reception */ PPP.C Point-to-Point Protocol Implementation /*///////////////////////////////////////////////////////////////////////////// File Name : PPP.C Author : Rene Trenado Location : Motorola Applications Lab, Baja California Date Created : September 2000 Current Revision : 0.0 Notes : This file contains the code for the PPP module /////////////////////////////////////////////////////////////////////////////*/ #include #include #include "CommDrv.h" #include "ppp.h" #include "IP.h" #include "Udp.h" #include "ICMP.h" const char * User = "MyName"; // Username of ISP account const char * Password = "MyPassword"; // Password of username /************************* Private Functions *************************/ static void HandleLCPOptions (void); static void HandleIPCPOptions (void); static WORD PPPfcs16 (WORD fcs, BYTE *cp, int len); static void RejectProtocol (BYTE *InBuffer); MOTOROLA 59
Page 1 and 2:
© Motorola, Inc., 2001 Semiconduct
Page 3 and 4:
Internet Primer AN2120 M68HC08 FAMI
Page 5 and 6:
AN2120 A1 A2 A3 NETWORK A B1 B2 B3
Page 7 and 8: AN2120 OSI REFERENCE MODEL INTERNET
Page 9 and 10: AN2120 Application Note Internet Pr
Page 11 and 12: UDP Protocol AN2120 Application Not
Page 13 and 14: AN2120 Application Note Internet Co
Page 15 and 16: Dialing an Internet Service Provide
Page 17 and 18: Start Flag 0x7F PPP Framing AN2120
Page 19 and 20: AN2120 Application Note PPP Framing
Page 21 and 22: AN2120 Field Type A description of
Page 23 and 24: Internet Protocol Control Protocol
Page 25 and 26: AN2120 (1) First LCP packet sent by
Page 27 and 28: AN2120 Application Note Serial Line
Page 29 and 30: Software Operation AN2120 Applicati
Page 31 and 32: AN2120 Table 4. MC68HC908GP32 Inter
Page 33 and 34: Overview of the Modem Interface AN2
Page 35 and 36: AN2120 Application Note Operation o
Page 37 and 38: AN2120 FIFO INITIALIZED FIFO AT RUN
Page 39 and 40: PPP Module AN2120 InBuffer [0] InBu
Page 41 and 42: Listing 4. Body of PPPEntry Functio
Page 43 and 44: AN2120 Application Note Internet Pr
Page 45 and 46: AN2120 Application Note Summary Int
Page 47 and 48: Code Implementation AN2120 Applicat
Page 49 and 50: CommEventProc (ProcPPPReceive); //
Page 51 and 52: AN2120 Application Note Code Implem
Page 53 and 54: ***********************************
Page 55 and 56: Parameters : Date : July 2000 Desc
Page 57: } AN2120 } else { } Application Not
Page 61 and 62: ***********************************
Page 63 and 64: } AN2120 } else { } PPPStatus &= ~I
Page 65 and 66: AN2120 switch (InBuffer [4] ) { App
Page 67 and 68: } AN2120 //////////////////////////
Page 69 and 70: } AN2120 } break; case REJ: break;
Page 71 and 72: This will force the server to reply
Page 73 and 74: #include "CommDrv.h" #include "Mode
Page 75 and 76: ***********************************
Page 77 and 78: } AN2120 } return False; /*********
Page 79 and 80: ***********************************
Page 81 and 82: } AN2120 } Data+=2; Sum = (Sum >> 1
Page 83 and 84: } AN2120 Checksum = IPCheckSum (&ud
Page 85 and 86: */ #include "IP.h" #include "ICMP.h
Page 87 and 88: PLL.C Code of InitPLL Function /*//
Page 89 and 90: BUSFREQ: EQU 2 _1msDelay: PSHA ;2 c
Page 91 and 92: Current Revision : 0.0 Notes : Defi
Page 93 and 94: #define ESC_ESC 0xDD //335 octal ex
Page 95 and 96: void IPBindAdapter (INTERFACE Inter
Page 97 and 98: Delay.h Header Definitions for Dela
Page 99 and 100: WORD CommPort (void) { return Port;
Page 101 and 102: CommDrv.H Serial Communications Int
Page 103 and 104: AN2120 Application Note Code Implem
show all

AN2120: Connecting an M68HC08 Family Microcontroller to an ...

Create successful ePaper yourself

Delete template?

Save as template?