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@63:9d67a5eaa93c, 2018-01-16 (annotated)

Committer:
andrewboyson
Date:
Tue Jan 16 22:03:16 2018 +0000
Revision:
63:9d67a5eaa93c
Parent:
61:aad055f1b0d1
Child:
67:b89a81c6ed99
Pulled out the connector leds so that the same library could be used with different boards

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 61:aad055f1b0d1 1 #include <stdbool.h>
andrewboyson 61:aad055f1b0d1 2
andrewboyson 61:aad055f1b0d1 3 #include "peripherals.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 59:e0e556c8bd46 11
andrewboyson 61:aad055f1b0d1 12 #define phyLinkNeg_MASK 1UL << 25 //P1.25 input
andrewboyson 61:aad055f1b0d1 13 #define phySpeedNeg_MASK 1UL << 26 //P1.26 input
andrewboyson 61:aad055f1b0d1 14
andrewboyson 59:e0e556c8bd46 15
andrewboyson 59:e0e556c8bd46 16 bool LinkTrace = false;
andrewboyson 59:e0e556c8bd46 17
andrewboyson 63:9d67a5eaa93c 18 bool LinkPhyLink = false;
andrewboyson 63:9d67a5eaa93c 19 bool LinkPhySpeed = false;
andrewboyson 63:9d67a5eaa93c 20 bool LinkActivity = false;
andrewboyson 63:9d67a5eaa93c 21
andrewboyson 59:e0e556c8bd46 22 void LinkMain()
andrewboyson 59:e0e556c8bd46 23 {
andrewboyson 59:e0e556c8bd46 24 //Flash lights
andrewboyson 63:9d67a5eaa93c 25 LinkPhyLink = !(LPC_GPIO1->FIOPIN & phyLinkNeg_MASK);
andrewboyson 63:9d67a5eaa93c 26 LinkPhySpeed = !(LPC_GPIO1->FIOPIN & phySpeedNeg_MASK);
andrewboyson 59:e0e556c8bd46 27
andrewboyson 59:e0e556c8bd46 28 if (!NicLinkIsUp()) return;
andrewboyson 59:e0e556c8bd46 29
andrewboyson 59:e0e556c8bd46 30 //Handle packets
andrewboyson 59:e0e556c8bd46 31 int sizeRx;
andrewboyson 59:e0e556c8bd46 32 int sizeTx;
andrewboyson 59:e0e556c8bd46 33 char* pRx = NicGetReceivedPacketOrNull(&sizeRx);
andrewboyson 59:e0e556c8bd46 34 char* pTx = NicGetTransmitPacketOrNull(&sizeTx);
andrewboyson 59:e0e556c8bd46 35
andrewboyson 59:e0e556c8bd46 36 int action = DO_NOTHING;
andrewboyson 59:e0e556c8bd46 37
andrewboyson 59:e0e556c8bd46 38 NetTraceHostResetMatched();
andrewboyson 59:e0e556c8bd46 39
andrewboyson 63:9d67a5eaa93c 40 LinkActivity = false;
andrewboyson 63:9d67a5eaa93c 41
andrewboyson 59:e0e556c8bd46 42 if (pRx)
andrewboyson 59:e0e556c8bd46 43 {
andrewboyson 63:9d67a5eaa93c 44 LinkActivity = true;
andrewboyson 59:e0e556c8bd46 45
andrewboyson 59:e0e556c8bd46 46 if (pTx) action = EthHandlePacket(pRx, sizeRx, pTx, &sizeTx);
andrewboyson 59:e0e556c8bd46 47
andrewboyson 59:e0e556c8bd46 48 NicReleaseReceivedPacket();
andrewboyson 59:e0e556c8bd46 49 }
andrewboyson 59:e0e556c8bd46 50 if (pTx)
andrewboyson 59:e0e556c8bd46 51 {
andrewboyson 59:e0e556c8bd46 52 if (!action) action = EthPollForPacketToSend(pTx, &sizeTx);
andrewboyson 59:e0e556c8bd46 53
andrewboyson 59:e0e556c8bd46 54 if ( action)
andrewboyson 59:e0e556c8bd46 55 {
andrewboyson 63:9d67a5eaa93c 56 LinkActivity = true;
andrewboyson 59:e0e556c8bd46 57 NicSendTransmitPacket(sizeTx);
andrewboyson 59:e0e556c8bd46 58 }
andrewboyson 59:e0e556c8bd46 59 }
andrewboyson 59:e0e556c8bd46 60 }
andrewboyson 59:e0e556c8bd46 61
andrewboyson 59:e0e556c8bd46 62 void LinkInit()
andrewboyson 59:e0e556c8bd46 63 {
andrewboyson 59:e0e556c8bd46 64 NicInit();
andrewboyson 59:e0e556c8bd46 65 NicLinkAddress(MacLocal);
andrewboyson 59:e0e556c8bd46 66 if (LinkTrace)
andrewboyson 59:e0e556c8bd46 67 {
andrewboyson 59:e0e556c8bd46 68 Log("\r\n");
andrewboyson 59:e0e556c8bd46 69 LogTime("MAC: ");
andrewboyson 59:e0e556c8bd46 70 MacLog(MacLocal);
andrewboyson 59:e0e556c8bd46 71 Log("\r\n");
andrewboyson 59:e0e556c8bd46 72 }
andrewboyson 59:e0e556c8bd46 73 }