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

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Application Note #define IsESC 0x01 // Previous character received was a ESC char #define ReSync 0x04 // Re Synchronize to avoid inconplete IP frame reception #define IsFrame 0x08 // A full packet #define ByteRx 0x10 // Receive a Byte #define LinkOn 0x20 // PPP Link is On extern BYTE IPAddress[4]; #define PPP_BUFFER_SIZE 88 #define LCP_PACKET 0xC021 #define PAP_PACKET 0xC023 #define CHAP_PACKET 0xC223 #define IPCP_PACKET 0x8021 #define IP_DATAGRAM 0x0021 #endif SLIP.H Header File for SLIP Implementation /*///////////////////////////////////////////////////////////////////////////// File Name : SLIP.h Author : Rene Trenado Location : Motorola Applications Lab, Baja California Date Created : June 2000 Current Revision : 0.0 Notes : Definitions for the SLIP implementation /////////////////////////////////////////////////////////////////////////////*/ #ifndef __SLIP_H #define __SLIP_H1 #include "Notation.h" #ifndef NULL #define NULL 0 #endif #define SLIP_MAX_SIZE 88 #define SLIP_END 0xC0 //300 octal #define SLIP_ESC 0xDB //333 octal #define ESC_END 0xDC //334 octal AN2120 92 MOTOROLA
#define ESC_ESC 0xDD //335 octal extern BYTE SLIPStatus; void SLIPInit (void); void ProcSLIPSend (BYTE *ptr, BYTE len); void SLIPEntry (void); void ProcSLIPReceive (BYTE c); AN2120 Application Note Code Implementation #define IsESC 0x01 // Previous character received was a ESC char #define ReSync 0x04 // Re Synchronize to avoid inconplete IP frame reception #define IsFrame 0x08 // A full packet #define ByteRx 0x10 // Receive a Byte #endif ModemDrv.H Header file for Modem driver #ifndef __MODEMDRV_H #define __MODEMDRV_H 1 #include "Notation.h" void ProcModemReceive (BYTE c); void ModemBindBuff (BYTE *lpInBuffer); void ModemInit (void); BYTE ModemDial (char * Number); void transmit (char *data); void ModemHangUp (void); BYTE ModemOnLine (void); BYTE ModemBuffNotEmpty (void); void ModemBuffFlush (void); BYTE ModemInBufferCount (void); BYTE Waitfor (char *String, BYTE Time); BYTE ModemGetch (void); BYTE ModemInBufferCount (void); void ModemReset (void); #endif MOTOROLA 93
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© Motorola, Inc., 2001 Semiconduct
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Internet Primer AN2120 M68HC08 FAMI
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AN2120 A1 A2 A3 NETWORK A B1 B2 B3
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AN2120 OSI REFERENCE MODEL INTERNET
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AN2120 Application Note Internet Pr
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UDP Protocol AN2120 Application Not
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AN2120 Application Note Internet Co
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Dialing an Internet Service Provide
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Start Flag 0x7F PPP Framing AN2120
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AN2120 Application Note PPP Framing
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AN2120 Field Type A description of
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Internet Protocol Control Protocol
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AN2120 (1) First LCP packet sent by
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AN2120 Application Note Serial Line
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Software Operation AN2120 Applicati
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AN2120 Table 4. MC68HC908GP32 Inter
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Overview of the Modem Interface AN2
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AN2120 Application Note Operation o
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AN2120 FIFO INITIALIZED FIFO AT RUN
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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 and 58: } AN2120 } else { } Application Not
Page 59 and 60: } AN2120 } case ICMP: IcmpHandler (
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: Current Revision : 0.0 Notes : Defi
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
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