Andrew Boyson / net

A stack which works with or without an Mbed os library. Provides IPv4 or IPv6 with a full 1500 byte buffer.

Dependents:   oldheating gps motorhome heating

net.cpp@43:bc028d5a6424, 2017-10-19 (annotated)

Committer:
andrewboyson
Date:
Thu Oct 19 20:56:58 2017 +0000
Revision:
43:bc028d5a6424
Parent:
42:222a4f45f916
Child:
44:83ce5ace337b
Added verbose option to trace

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 7:b794780e33b4 1 #include "mbed.h"
andrewboyson 7:b794780e33b4 2 #include "phy.h"
andrewboyson 7:b794780e33b4 3 #include "net.h"
andrewboyson 7:b794780e33b4 4 #include "tcp.h"
andrewboyson 7:b794780e33b4 5 #include "dhcp.h"
andrewboyson 9:91dae5300a4d 6 #include "ar.h"
andrewboyson 35:93c39d260a83 7 #include "nr.h"
andrewboyson 7:b794780e33b4 8 #include "dns.h"
andrewboyson 7:b794780e33b4 9 #include "slaac.h"
andrewboyson 29:39277bf2003d 10 #include "ra.h"
andrewboyson 22:914b970356f0 11 #include "ntp.h"
andrewboyson 22:914b970356f0 12 #include "io.h"
andrewboyson 2:849103b5a16d 13
andrewboyson 37:793b39683406 14
andrewboyson 43:bc028d5a6424 15 bool NetTraceStack = false;
andrewboyson 43:bc028d5a6424 16 bool NetTraceNewLine = false;
andrewboyson 43:bc028d5a6424 17 bool NetTraceVerbose = false;
andrewboyson 42:222a4f45f916 18 bool NetPreferIp4Polled = false;
andrewboyson 42:222a4f45f916 19
andrewboyson 10:f0854784e960 20 char* NetName;
andrewboyson 10:f0854784e960 21
andrewboyson 0:faa09bd4e6bf 22 int16_t NetToHost16(int16_t n)
andrewboyson 0:faa09bd4e6bf 23 {
andrewboyson 0:faa09bd4e6bf 24 int16_t h;
andrewboyson 0:faa09bd4e6bf 25
andrewboyson 0:faa09bd4e6bf 26 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 27 char* ph = (char*)&h + 1;
andrewboyson 0:faa09bd4e6bf 28
andrewboyson 0:faa09bd4e6bf 29 *ph = *pn; ph--; pn++; // 1<-0
andrewboyson 0:faa09bd4e6bf 30 *ph = *pn; // 0<-1
andrewboyson 0:faa09bd4e6bf 31
andrewboyson 0:faa09bd4e6bf 32 return h;
andrewboyson 0:faa09bd4e6bf 33 }
andrewboyson 0:faa09bd4e6bf 34
andrewboyson 0:faa09bd4e6bf 35 int32_t NetToHost32(int32_t n)
andrewboyson 0:faa09bd4e6bf 36 {
andrewboyson 0:faa09bd4e6bf 37 int32_t h;
andrewboyson 0:faa09bd4e6bf 38
andrewboyson 0:faa09bd4e6bf 39 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 40 char* ph = (char*)&h + 3;
andrewboyson 0:faa09bd4e6bf 41
andrewboyson 0:faa09bd4e6bf 42 *ph = *pn; ph--; pn++; // 3<-0
andrewboyson 0:faa09bd4e6bf 43 *ph = *pn; ph--; pn++; // 2<-1
andrewboyson 0:faa09bd4e6bf 44 *ph = *pn; ph--; pn++; // 1<-2
andrewboyson 0:faa09bd4e6bf 45 *ph = *pn; // 0<-3
andrewboyson 0:faa09bd4e6bf 46
andrewboyson 0:faa09bd4e6bf 47 return h;
andrewboyson 0:faa09bd4e6bf 48 }
andrewboyson 0:faa09bd4e6bf 49 int64_t NetToHost64(int64_t n)
andrewboyson 0:faa09bd4e6bf 50 {
andrewboyson 0:faa09bd4e6bf 51 int64_t h;
andrewboyson 0:faa09bd4e6bf 52
andrewboyson 0:faa09bd4e6bf 53 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 54 char* ph = (char*)&h + 7;
andrewboyson 0:faa09bd4e6bf 55
andrewboyson 0:faa09bd4e6bf 56 *ph = *pn; ph--; pn++; // 7<-0
andrewboyson 0:faa09bd4e6bf 57 *ph = *pn; ph--; pn++; // 6<-1
andrewboyson 0:faa09bd4e6bf 58 *ph = *pn; ph--; pn++; // 5<-2
andrewboyson 0:faa09bd4e6bf 59 *ph = *pn; ph--; pn++; // 4<-3
andrewboyson 0:faa09bd4e6bf 60 *ph = *pn; ph--; pn++; // 3<-4
andrewboyson 0:faa09bd4e6bf 61 *ph = *pn; ph--; pn++; // 2<-5
andrewboyson 0:faa09bd4e6bf 62 *ph = *pn; ph--; pn++; // 1<-6
andrewboyson 0:faa09bd4e6bf 63 *ph = *pn; // 0<-7
andrewboyson 0:faa09bd4e6bf 64
andrewboyson 0:faa09bd4e6bf 65 return h;
andrewboyson 0:faa09bd4e6bf 66 }
andrewboyson 0:faa09bd4e6bf 67 uint16_t onesComplement(uint16_t start, int count, void* pData)
andrewboyson 0:faa09bd4e6bf 68 {
andrewboyson 0:faa09bd4e6bf 69 uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum
andrewboyson 0:faa09bd4e6bf 70 uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data
andrewboyson 0:faa09bd4e6bf 71
andrewboyson 0:faa09bd4e6bf 72 while(count > 1)
andrewboyson 0:faa09bd4e6bf 73 {
andrewboyson 0:faa09bd4e6bf 74 sum += *p++; // Add each pair of bytes into 32 bit accumulator
andrewboyson 0:faa09bd4e6bf 75 count -= 2;
andrewboyson 0:faa09bd4e6bf 76 }
andrewboyson 0:faa09bd4e6bf 77 if(count) sum += * (uint8_t*) p; // Add left-over byte, if any
andrewboyson 0:faa09bd4e6bf 78 while (sum>>16) sum = (sum & 0xffff) + (sum >> 16); // Add any carries from the sum back into the sum to make it ones complement
andrewboyson 0:faa09bd4e6bf 79 return sum;
andrewboyson 0:faa09bd4e6bf 80 }
andrewboyson 0:faa09bd4e6bf 81 uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2)
andrewboyson 0:faa09bd4e6bf 82 {
andrewboyson 0:faa09bd4e6bf 83 uint16_t sum = onesComplement(0, count1, pData1);
andrewboyson 0:faa09bd4e6bf 84 return ~onesComplement(sum, count2, pData2);
andrewboyson 0:faa09bd4e6bf 85 }
andrewboyson 0:faa09bd4e6bf 86 uint16_t NetCheckSum(int count, void* pData)
andrewboyson 0:faa09bd4e6bf 87 {
andrewboyson 0:faa09bd4e6bf 88 return ~onesComplement(0, count, pData);
andrewboyson 0:faa09bd4e6bf 89 }
andrewboyson 2:849103b5a16d 90
andrewboyson 10:f0854784e960 91 int NetInit(char* name)
andrewboyson 2:849103b5a16d 92 {
andrewboyson 10:f0854784e960 93 NetName = name;
andrewboyson 30:e34173b7585c 94 PhyInit();
andrewboyson 30:e34173b7585c 95 TcpInit();
andrewboyson 30:e34173b7585c 96 ArInit();
andrewboyson 35:93c39d260a83 97 NrInit();
andrewboyson 30:e34173b7585c 98 SlaacInit();
andrewboyson 2:849103b5a16d 99 return 0;
andrewboyson 2:849103b5a16d 100 }
andrewboyson 2:849103b5a16d 101 int NetMain()
andrewboyson 2:849103b5a16d 102 {
andrewboyson 35:93c39d260a83 103 PhyMain();
andrewboyson 35:93c39d260a83 104 ArMain();
andrewboyson 35:93c39d260a83 105 NrMain();
andrewboyson 43:bc028d5a6424 106 DhcpMain();
andrewboyson 43:bc028d5a6424 107 DnsMain();
andrewboyson 43:bc028d5a6424 108 RaMain();
andrewboyson 2:849103b5a16d 109 return 0;
andrewboyson 2:849103b5a16d 110 }