Derek Cheung / Mbed 2 deprecated NTP_LED_CLOCK

Read NTP time from Ethernet and drive six 7-segment LEDs using a MAX7221 to show time, date, month, week, year etc....

Dependencies:   NTPClient_NetServices mbed

LPC1768/api/DNSRequest.h@0:e083abcfe7a8, 2011-06-22 (annotated)

Committer:
cheungderek
Date:
Wed Jun 22 01:31:47 2011 +0000
Revision:
0:e083abcfe7a8
First release.

Just some testing but working code to read NTP time and drive 6 LEDs to display time, date, month, year etc...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cheungderek 0:e083abcfe7a8 1
cheungderek 0:e083abcfe7a8 2 /*
cheungderek 0:e083abcfe7a8 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
cheungderek 0:e083abcfe7a8 4
cheungderek 0:e083abcfe7a8 5 Permission is hereby granted, free of charge, to any person obtaining a copy
cheungderek 0:e083abcfe7a8 6 of this software and associated documentation files (the "Software"), to deal
cheungderek 0:e083abcfe7a8 7 in the Software without restriction, including without limitation the rights
cheungderek 0:e083abcfe7a8 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
cheungderek 0:e083abcfe7a8 9 copies of the Software, and to permit persons to whom the Software is
cheungderek 0:e083abcfe7a8 10 furnished to do so, subject to the following conditions:
cheungderek 0:e083abcfe7a8 11
cheungderek 0:e083abcfe7a8 12 The above copyright notice and this permission notice shall be included in
cheungderek 0:e083abcfe7a8 13 all copies or substantial portions of the Software.
cheungderek 0:e083abcfe7a8 14
cheungderek 0:e083abcfe7a8 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
cheungderek 0:e083abcfe7a8 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
cheungderek 0:e083abcfe7a8 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
cheungderek 0:e083abcfe7a8 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
cheungderek 0:e083abcfe7a8 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
cheungderek 0:e083abcfe7a8 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
cheungderek 0:e083abcfe7a8 21 THE SOFTWARE.
cheungderek 0:e083abcfe7a8 22 */
cheungderek 0:e083abcfe7a8 23
cheungderek 0:e083abcfe7a8 24 /** \file
cheungderek 0:e083abcfe7a8 25 DNS Request header file
cheungderek 0:e083abcfe7a8 26 */
cheungderek 0:e083abcfe7a8 27
cheungderek 0:e083abcfe7a8 28 #ifndef DNSREQUEST_H
cheungderek 0:e083abcfe7a8 29 #define DNSREQUEST_H
cheungderek 0:e083abcfe7a8 30
cheungderek 0:e083abcfe7a8 31 #include "core/net.h"
cheungderek 0:e083abcfe7a8 32 #include "core/ipaddr.h"
cheungderek 0:e083abcfe7a8 33 #include "core/host.h"
cheungderek 0:e083abcfe7a8 34 //Essentially it is a safe interface to NetDnsRequest
cheungderek 0:e083abcfe7a8 35
cheungderek 0:e083abcfe7a8 36 ///DNS Request error codes
cheungderek 0:e083abcfe7a8 37 enum DNSRequestErr
cheungderek 0:e083abcfe7a8 38 {
cheungderek 0:e083abcfe7a8 39 __DNS_MIN = -0xFFFF,
cheungderek 0:e083abcfe7a8 40 DNS_SETUP, ///<DNSRequest not properly configured
cheungderek 0:e083abcfe7a8 41 DNS_IF, ///<Interface has problems, does not exist or is not initialized
cheungderek 0:e083abcfe7a8 42 DNS_MEM, ///<Not enough mem
cheungderek 0:e083abcfe7a8 43 DNS_INUSE, ///<Interface / Port is in use
cheungderek 0:e083abcfe7a8 44 DNS_PROCESSING, ///<Request has not completed
cheungderek 0:e083abcfe7a8 45 //...
cheungderek 0:e083abcfe7a8 46 DNS_OK = 0 ///<Success
cheungderek 0:e083abcfe7a8 47 };
cheungderek 0:e083abcfe7a8 48
cheungderek 0:e083abcfe7a8 49 ///DNS Request Result Events
cheungderek 0:e083abcfe7a8 50 enum DNSReply
cheungderek 0:e083abcfe7a8 51 {
cheungderek 0:e083abcfe7a8 52 DNS_PRTCL,
cheungderek 0:e083abcfe7a8 53 DNS_NOTFOUND, ///Hostname is unknown
cheungderek 0:e083abcfe7a8 54 DNS_ERROR, ///Problem with DNS Service
cheungderek 0:e083abcfe7a8 55 //...
cheungderek 0:e083abcfe7a8 56 DNS_FOUND,
cheungderek 0:e083abcfe7a8 57 };
cheungderek 0:e083abcfe7a8 58
cheungderek 0:e083abcfe7a8 59 class NetDnsRequest;
cheungderek 0:e083abcfe7a8 60 enum NetDnsReply;
cheungderek 0:e083abcfe7a8 61
cheungderek 0:e083abcfe7a8 62 ///This is a simple DNS Request class
cheungderek 0:e083abcfe7a8 63 /**
cheungderek 0:e083abcfe7a8 64 This class exposes an API to deal with DNS Requests
cheungderek 0:e083abcfe7a8 65 */
cheungderek 0:e083abcfe7a8 66 class DNSRequest
cheungderek 0:e083abcfe7a8 67 {
cheungderek 0:e083abcfe7a8 68 public:
cheungderek 0:e083abcfe7a8 69 ///Creates a new request
cheungderek 0:e083abcfe7a8 70 DNSRequest();
cheungderek 0:e083abcfe7a8 71
cheungderek 0:e083abcfe7a8 72 ///Terminates and closes request
cheungderek 0:e083abcfe7a8 73 ~DNSRequest();
cheungderek 0:e083abcfe7a8 74
cheungderek 0:e083abcfe7a8 75 ///Resolves an hostname
cheungderek 0:e083abcfe7a8 76 /**
cheungderek 0:e083abcfe7a8 77 @param hostname : hostname to resolve
cheungderek 0:e083abcfe7a8 78 */
cheungderek 0:e083abcfe7a8 79 DNSRequestErr resolve(const char* hostname);
cheungderek 0:e083abcfe7a8 80
cheungderek 0:e083abcfe7a8 81 ///Resolves an hostname
cheungderek 0:e083abcfe7a8 82 /**
cheungderek 0:e083abcfe7a8 83 @param host : hostname to resolve, the result will be stored in the IpAddr field of this object
cheungderek 0:e083abcfe7a8 84 */
cheungderek 0:e083abcfe7a8 85 DNSRequestErr resolve(Host* pHost);
cheungderek 0:e083abcfe7a8 86
cheungderek 0:e083abcfe7a8 87 ///Setups callback
cheungderek 0:e083abcfe7a8 88 /**
cheungderek 0:e083abcfe7a8 89 The callback function will be called on result.
cheungderek 0:e083abcfe7a8 90 @param pMethod : callback function
cheungderek 0:e083abcfe7a8 91 */
cheungderek 0:e083abcfe7a8 92 void setOnReply( void (*pMethod)(DNSReply) );
cheungderek 0:e083abcfe7a8 93
cheungderek 0:e083abcfe7a8 94 class CDummy;
cheungderek 0:e083abcfe7a8 95 ///Setups callback
cheungderek 0:e083abcfe7a8 96 /**
cheungderek 0:e083abcfe7a8 97 The callback function will be called on result.
cheungderek 0:e083abcfe7a8 98 @param pItem : instance of class on which to execute the callback method
cheungderek 0:e083abcfe7a8 99 @param pMethod : callback method
cheungderek 0:e083abcfe7a8 100 */
cheungderek 0:e083abcfe7a8 101 template<class T>
cheungderek 0:e083abcfe7a8 102 void setOnReply( T* pItem, void (T::*pMethod)(DNSReply) )
cheungderek 0:e083abcfe7a8 103 {
cheungderek 0:e083abcfe7a8 104 m_pCbItem = (CDummy*) pItem;
cheungderek 0:e083abcfe7a8 105 m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod;
cheungderek 0:e083abcfe7a8 106 }
cheungderek 0:e083abcfe7a8 107
cheungderek 0:e083abcfe7a8 108 ///Gets IP address once it has been resolved
cheungderek 0:e083abcfe7a8 109 /**
cheungderek 0:e083abcfe7a8 110 @param pIp : pointer to an IpAddr instance in which to store the resolved IP address
cheungderek 0:e083abcfe7a8 111 */
cheungderek 0:e083abcfe7a8 112 DNSRequestErr getResult(IpAddr* pIp);
cheungderek 0:e083abcfe7a8 113
cheungderek 0:e083abcfe7a8 114 ///Closes DNS Request before completion
cheungderek 0:e083abcfe7a8 115 DNSRequestErr close();
cheungderek 0:e083abcfe7a8 116
cheungderek 0:e083abcfe7a8 117 protected:
cheungderek 0:e083abcfe7a8 118 void onNetDnsReply(NetDnsReply r);
cheungderek 0:e083abcfe7a8 119 DNSRequestErr checkInst();
cheungderek 0:e083abcfe7a8 120
cheungderek 0:e083abcfe7a8 121 private:
cheungderek 0:e083abcfe7a8 122 NetDnsRequest* m_pNetDnsRequest;
cheungderek 0:e083abcfe7a8 123
cheungderek 0:e083abcfe7a8 124 CDummy* m_pCbItem;
cheungderek 0:e083abcfe7a8 125 void (CDummy::*m_pCbMeth)(DNSReply);
cheungderek 0:e083abcfe7a8 126
cheungderek 0:e083abcfe7a8 127 void (*m_pCb)(DNSReply);
cheungderek 0:e083abcfe7a8 128
cheungderek 0:e083abcfe7a8 129 };
cheungderek 0:e083abcfe7a8 130
cheungderek 0:e083abcfe7a8 131 #endif