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

link/link.c@200:5acbc41bf469, 2021-05-20 (annotated)

Committer:
andrewboyson
Date:
Thu May 20 14:32:52 2021 +0000
Revision:
200:5acbc41bf469
Parent:
142:a8c0890a58d1 
Increased number of arp entries from 20 to 30 to accommodate the number of WIZ devices plus a few incoming port 80 calls from the internet.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 61:aad055f1b0d1 1 #include <stdbool.h>
andrewboyson 61:aad055f1b0d1 2
andrewboyson 70:74c11fb71a15 3 #include "gpio.h"
andrewboyson 59:e0e556c8bd46 4 #include "log.h"
andrewboyson 59:e0e556c8bd46 5 #include "eth.h"
andrewboyson 59:e0e556c8bd46 6 #include "action.h"
andrewboyson 59:e0e556c8bd46 7 #include "mac.h"
andrewboyson 59:e0e556c8bd46 8 #include "net.h"
andrewboyson 59:e0e556c8bd46 9 #include "link.h"
andrewboyson 59:e0e556c8bd46 10 #include "nic.h"
andrewboyson 85:cd9fdd6ab7e3 11 #include "led.h"
andrewboyson 142:a8c0890a58d1 12 #include "restart.h"
andrewboyson 98:b977424ec7f7 13 #include "jack.h"
andrewboyson 59:e0e556c8bd46 14
andrewboyson 70:74c11fb71a15 15 #define LINK_PIN FIO1PIN(25)
andrewboyson 70:74c11fb71a15 16 #define SPEED_PIN FIO1PIN(26)
andrewboyson 59:e0e556c8bd46 17
andrewboyson 59:e0e556c8bd46 18 bool LinkTrace = false;
andrewboyson 59:e0e556c8bd46 19
andrewboyson 59:e0e556c8bd46 20 void LinkMain()
andrewboyson 59:e0e556c8bd46 21 {
andrewboyson 142:a8c0890a58d1 22 int lastRestartPoint = RestartPoint;
andrewboyson 142:a8c0890a58d1 23 RestartPoint = FAULT_POINT_LinkMain;
andrewboyson 97:d91f7db00235 24
andrewboyson 98:b977424ec7f7 25 //Wait until the network is up
andrewboyson 97:d91f7db00235 26 if (!NicLinkIsUp())
andrewboyson 97:d91f7db00235 27 {
andrewboyson 142:a8c0890a58d1 28 RestartPoint = lastRestartPoint;
andrewboyson 97:d91f7db00235 29 return;
andrewboyson 97:d91f7db00235 30 }
andrewboyson 59:e0e556c8bd46 31
andrewboyson 98:b977424ec7f7 32 //Reset the trace of host at the very start
andrewboyson 98:b977424ec7f7 33 NetTraceHostResetMatched();
andrewboyson 98:b977424ec7f7 34
andrewboyson 59:e0e556c8bd46 35 //Handle packets
andrewboyson 59:e0e556c8bd46 36 int sizeRx;
andrewboyson 59:e0e556c8bd46 37 int sizeTx;
andrewboyson 59:e0e556c8bd46 38 char* pRx = NicGetReceivedPacketOrNull(&sizeRx);
andrewboyson 59:e0e556c8bd46 39 char* pTx = NicGetTransmitPacketOrNull(&sizeTx);
andrewboyson 59:e0e556c8bd46 40
andrewboyson 98:b977424ec7f7 41 int action = DO_NOTHING;
andrewboyson 98:b977424ec7f7 42 bool activity = false;
andrewboyson 59:e0e556c8bd46 43 if (pRx)
andrewboyson 59:e0e556c8bd46 44 {
andrewboyson 98:b977424ec7f7 45 activity = true;
andrewboyson 59:e0e556c8bd46 46
andrewboyson 59:e0e556c8bd46 47 if (pTx) action = EthHandlePacket(pRx, sizeRx, pTx, &sizeTx);
andrewboyson 97:d91f7db00235 48
andrewboyson 59:e0e556c8bd46 49 NicReleaseReceivedPacket();
andrewboyson 59:e0e556c8bd46 50 }
andrewboyson 85:cd9fdd6ab7e3 51
andrewboyson 59:e0e556c8bd46 52 if (pTx)
andrewboyson 59:e0e556c8bd46 53 {
andrewboyson 59:e0e556c8bd46 54 if (!action) action = EthPollForPacketToSend(pTx, &sizeTx);
andrewboyson 59:e0e556c8bd46 55
andrewboyson 59:e0e556c8bd46 56 if ( action)
andrewboyson 59:e0e556c8bd46 57 {
andrewboyson 98:b977424ec7f7 58 activity = true;
andrewboyson 59:e0e556c8bd46 59 NicSendTransmitPacket(sizeTx);
andrewboyson 59:e0e556c8bd46 60 }
andrewboyson 59:e0e556c8bd46 61 }
andrewboyson 98:b977424ec7f7 62
andrewboyson 98:b977424ec7f7 63 //Flash lights
andrewboyson 98:b977424ec7f7 64 JackLeds(!LINK_PIN, !SPEED_PIN, activity);
andrewboyson 98:b977424ec7f7 65
andrewboyson 98:b977424ec7f7 66 //Finish
andrewboyson 142:a8c0890a58d1 67 RestartPoint = lastRestartPoint;
andrewboyson 59:e0e556c8bd46 68 }
andrewboyson 59:e0e556c8bd46 69
andrewboyson 59:e0e556c8bd46 70 void LinkInit()
andrewboyson 59:e0e556c8bd46 71 {
andrewboyson 98:b977424ec7f7 72 JackInit();
andrewboyson 59:e0e556c8bd46 73 NicInit();
andrewboyson 59:e0e556c8bd46 74 NicLinkAddress(MacLocal);
andrewboyson 59:e0e556c8bd46 75 if (LinkTrace)
andrewboyson 59:e0e556c8bd46 76 {
andrewboyson 122:402d148f85d3 77 LogTime("MAC ");
andrewboyson 59:e0e556c8bd46 78 MacLog(MacLocal);
andrewboyson 59:e0e556c8bd46 79 Log("\r\n");
andrewboyson 59:e0e556c8bd46 80 }
andrewboyson 59:e0e556c8bd46 81 }