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STM32Ethernet source files #1

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Merged
merged 11 commits into from Aug 16, 2017
Merged

STM32Ethernet source files #1

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febc2e2
Initial source files come from Ethernet library of Arduino 1.8.3
Jul 6, 2017
6935488
Update Arduino library properties
Jul 6, 2017
da88563
Add Ethernet network driver for LwIP from STM32Cube_FW_F4_V1.16.0
Jul 6, 2017
ddc0fd1
Update Ethernet driver for STM32 Arduino.
Jul 6, 2017
b8f8332
Rename library entry files to keep compatibility with the default Ard…
Jul 6, 2017
1f95d13
Update library classes for STM32
Jul 6, 2017
79d3d62
Remove unused files
Jul 6, 2017
f5fecc7
Modify examples for the STM32Ethernet library
Jul 6, 2017
e02d9ed
Update library documentation
Jul 6, 2017
e641f84
Replaced specific HAL include with generic one
Jul 24, 2017
2cbafb0
Use the same MAC address in all sketches and remove comments outdated.
Aug 16, 2017
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478 changes: 68 additions & 410 deletions src/Dhcp.cpp
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154 changes: 11 additions & 143 deletions src/Dhcp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -7,169 +7,37 @@
#include "EthernetUdp.h"

/* DHCP state machine. */
#define STATE_DHCP_START 0
#define STATE_DHCP_DISCOVER 1
#define STATE_DHCP_REQUEST 2
#define STATE_DHCP_LEASED 3
#define STATE_DHCP_REREQUEST 4
#define STATE_DHCP_RELEASE 5

#define DHCP_FLAGSBROADCAST 0x8000

/* UDP port numbers for DHCP */
#define DHCP_SERVER_PORT 67 /* from server to client */
#define DHCP_CLIENT_PORT 68 /* from client to server */

/* DHCP message OP code */
#define DHCP_BOOTREQUEST 1
#define DHCP_BOOTREPLY 2

/* DHCP message type */
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
#define DHCP_REQUEST 3
#define DHCP_DECLINE 4
#define DHCP_ACK 5
#define DHCP_NAK 6
#define DHCP_RELEASE 7
#define DHCP_INFORM 8

#define DHCP_HTYPE10MB 1
#define DHCP_HTYPE100MB 2

#define DHCP_HLENETHERNET 6
#define DHCP_HOPS 0
#define DHCP_SECS 0

#define MAGIC_COOKIE 0x63825363
#define MAX_DHCP_OPT 16

#define HOST_NAME "WIZnet"
#define DEFAULT_LEASE (900) //default lease time in seconds
#define STATE_DHCP_STOP DHCP_OFF
#define STATE_DHCP_START DHCP_START
#define STATE_DHCP_DISCOVER DHCP_WAIT_ADDRESS
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Fix indent

#define STATE_DHCP_REQUEST 0
#define STATE_DHCP_LEASED DHCP_ADDRESS_ASSIGNED
#define STATE_DHCP_REREQUEST 0
#define STATE_DHCP_RELEASE DHCP_ASK_RELEASE

#define DHCP_CHECK_NONE (0)
#define DHCP_CHECK_RENEW_FAIL (1)
#define DHCP_CHECK_RENEW_OK (2)
#define DHCP_CHECK_REBIND_FAIL (3)
#define DHCP_CHECK_REBIND_OK (4)

enum
{
padOption = 0,
subnetMask = 1,
timerOffset = 2,
routersOnSubnet = 3,
/* timeServer = 4,
nameServer = 5,*/
dns = 6,
/*logServer = 7,
cookieServer = 8,
lprServer = 9,
impressServer = 10,
resourceLocationServer = 11,*/
hostName = 12,
/*bootFileSize = 13,
meritDumpFile = 14,*/
domainName = 15,
/*swapServer = 16,
rootPath = 17,
extentionsPath = 18,
IPforwarding = 19,
nonLocalSourceRouting = 20,
policyFilter = 21,
maxDgramReasmSize = 22,
defaultIPTTL = 23,
pathMTUagingTimeout = 24,
pathMTUplateauTable = 25,
ifMTU = 26,
allSubnetsLocal = 27,
broadcastAddr = 28,
performMaskDiscovery = 29,
maskSupplier = 30,
performRouterDiscovery = 31,
routerSolicitationAddr = 32,
staticRoute = 33,
trailerEncapsulation = 34,
arpCacheTimeout = 35,
ethernetEncapsulation = 36,
tcpDefaultTTL = 37,
tcpKeepaliveInterval = 38,
tcpKeepaliveGarbage = 39,
nisDomainName = 40,
nisServers = 41,
ntpServers = 42,
vendorSpecificInfo = 43,
netBIOSnameServer = 44,
netBIOSdgramDistServer = 45,
netBIOSnodeType = 46,
netBIOSscope = 47,
xFontServer = 48,
xDisplayManager = 49,*/
dhcpRequestedIPaddr = 50,
dhcpIPaddrLeaseTime = 51,
/*dhcpOptionOverload = 52,*/
dhcpMessageType = 53,
dhcpServerIdentifier = 54,
dhcpParamRequest = 55,
/*dhcpMsg = 56,
dhcpMaxMsgSize = 57,*/
dhcpT1value = 58,
dhcpT2value = 59,
/*dhcpClassIdentifier = 60,*/
dhcpClientIdentifier = 61,
endOption = 255
};

typedef struct __attribute__((packed)) _RIP_MSG_FIXED
{
uint8_t op;
uint8_t htype;
uint8_t hlen;
uint8_t hops;
uint32_t xid;
uint16_t secs;
uint16_t flags;
uint8_t ciaddr[4];
uint8_t yiaddr[4];
uint8_t siaddr[4];
uint8_t giaddr[4];
uint8_t chaddr[6];
}RIP_MSG_FIXED;

class DhcpClass {
private:
uint32_t _dhcpInitialTransactionId;
uint32_t _dhcpTransactionId;
uint8_t _dhcpMacAddr[6];
uint8_t _dhcpLocalIp[4];
uint8_t _dhcpSubnetMask[4];
uint8_t _dhcpGatewayIp[4];
uint8_t _dhcpDhcpServerIp[4];
uint8_t _dhcpDnsServerIp[4];
uint32_t _dhcpLeaseTime;
uint32_t _dhcpT1, _dhcpT2;
unsigned long _renewInSec;
unsigned long _rebindInSec;
unsigned long _timeout;
unsigned long _responseTimeout;
unsigned long _lastCheckLeaseMillis;
uint8_t _dhcp_lease_state;
uint8_t _dhcp_state;
EthernetUDP _dhcpUdpSocket;


int request_DHCP_lease();
void reset_DHCP_lease();
void presend_DHCP();
void send_DHCP_MESSAGE(uint8_t, uint16_t);
void printByte(char *, uint8_t);

uint8_t parseDHCPResponse(unsigned long responseTimeout, uint32_t& transactionId);

public:
IPAddress getLocalIp();
IPAddress getSubnetMask();
IPAddress getGatewayIp();
IPAddress getDhcpServerIp();
IPAddress getDnsServerIp();

int beginWithDHCP(uint8_t *, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
int checkLease();
};
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