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

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 #ifndef NETTCPSOCKET_H
cheungderek 0:e083abcfe7a8 25 #define NETTCPSOCKET_H
cheungderek 0:e083abcfe7a8 26
cheungderek 0:e083abcfe7a8 27 #include "net.h"
cheungderek 0:e083abcfe7a8 28 #include "host.h"
cheungderek 0:e083abcfe7a8 29
cheungderek 0:e083abcfe7a8 30 #include <queue>
cheungderek 0:e083abcfe7a8 31 using std::queue;
cheungderek 0:e083abcfe7a8 32
cheungderek 0:e083abcfe7a8 33 //Implements a Berkeley-like socket if
cheungderek 0:e083abcfe7a8 34 //Can be interfaced either to lwip or a Telit module
cheungderek 0:e083abcfe7a8 35
cheungderek 0:e083abcfe7a8 36 enum NetTcpSocketErr
cheungderek 0:e083abcfe7a8 37 {
cheungderek 0:e083abcfe7a8 38 __NETTCPSOCKET_MIN = -0xFFFF,
cheungderek 0:e083abcfe7a8 39 NETTCPSOCKET_SETUP, //NetTcpSocket not properly configured
cheungderek 0:e083abcfe7a8 40 NETTCPSOCKET_TIMEOUT,
cheungderek 0:e083abcfe7a8 41 NETTCPSOCKET_IF, //If has problems
cheungderek 0:e083abcfe7a8 42 NETTCPSOCKET_MEM, //Not enough mem
cheungderek 0:e083abcfe7a8 43 NETTCPSOCKET_INUSE, //If/Port is in use
cheungderek 0:e083abcfe7a8 44 NETTCPSOCKET_EMPTY, //Connections queue is empty
cheungderek 0:e083abcfe7a8 45 NETTCPSOCKET_RST, // Connection was reset by remote host
cheungderek 0:e083abcfe7a8 46 //...
cheungderek 0:e083abcfe7a8 47 NETTCPSOCKET_OK = 0
cheungderek 0:e083abcfe7a8 48 };
cheungderek 0:e083abcfe7a8 49
cheungderek 0:e083abcfe7a8 50 enum NetTcpSocketEvent
cheungderek 0:e083abcfe7a8 51 {
cheungderek 0:e083abcfe7a8 52 NETTCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
cheungderek 0:e083abcfe7a8 53 NETTCPSOCKET_ACCEPT, //Connected to client
cheungderek 0:e083abcfe7a8 54 NETTCPSOCKET_READABLE, //Data in buf
cheungderek 0:e083abcfe7a8 55 NETTCPSOCKET_WRITEABLE, //Can write data to buf
cheungderek 0:e083abcfe7a8 56 NETTCPSOCKET_CONTIMEOUT,
cheungderek 0:e083abcfe7a8 57 NETTCPSOCKET_CONRST,
cheungderek 0:e083abcfe7a8 58 NETTCPSOCKET_CONABRT,
cheungderek 0:e083abcfe7a8 59 NETTCPSOCKET_ERROR,
cheungderek 0:e083abcfe7a8 60 NETTCPSOCKET_DISCONNECTED
cheungderek 0:e083abcfe7a8 61 };
cheungderek 0:e083abcfe7a8 62
cheungderek 0:e083abcfe7a8 63
cheungderek 0:e083abcfe7a8 64 class NetTcpSocket
cheungderek 0:e083abcfe7a8 65 {
cheungderek 0:e083abcfe7a8 66 public:
cheungderek 0:e083abcfe7a8 67 NetTcpSocket();
cheungderek 0:e083abcfe7a8 68 virtual ~NetTcpSocket(); //close()
cheungderek 0:e083abcfe7a8 69
cheungderek 0:e083abcfe7a8 70 virtual NetTcpSocketErr bind(const Host& me) = 0;
cheungderek 0:e083abcfe7a8 71 virtual NetTcpSocketErr listen() = 0;
cheungderek 0:e083abcfe7a8 72 virtual NetTcpSocketErr connect(const Host& host) = 0;
cheungderek 0:e083abcfe7a8 73 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket) = 0;
cheungderek 0:e083abcfe7a8 74
cheungderek 0:e083abcfe7a8 75 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len) = 0;
cheungderek 0:e083abcfe7a8 76 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len) = 0;
cheungderek 0:e083abcfe7a8 77
cheungderek 0:e083abcfe7a8 78 virtual NetTcpSocketErr close() = 0;
cheungderek 0:e083abcfe7a8 79
cheungderek 0:e083abcfe7a8 80 virtual NetTcpSocketErr poll() = 0;
cheungderek 0:e083abcfe7a8 81
cheungderek 0:e083abcfe7a8 82 class CDummy;
cheungderek 0:e083abcfe7a8 83 //Callbacks
cheungderek 0:e083abcfe7a8 84 template<class T>
cheungderek 0:e083abcfe7a8 85 //Linker bug : Must be defined here :(
cheungderek 0:e083abcfe7a8 86 void setOnEvent( T* pItem, void (T::*pMethod)(NetTcpSocketEvent) )
cheungderek 0:e083abcfe7a8 87 {
cheungderek 0:e083abcfe7a8 88 m_pCbItem = (CDummy*) pItem;
cheungderek 0:e083abcfe7a8 89 m_pCbMeth = (void (CDummy::*)(NetTcpSocketEvent)) pMethod;
cheungderek 0:e083abcfe7a8 90 }
cheungderek 0:e083abcfe7a8 91
cheungderek 0:e083abcfe7a8 92 void resetOnEvent(); //Disable callback
cheungderek 0:e083abcfe7a8 93
cheungderek 0:e083abcfe7a8 94 protected:
cheungderek 0:e083abcfe7a8 95 void queueEvent(NetTcpSocketEvent e);
cheungderek 0:e083abcfe7a8 96 void discardEvents();
cheungderek 0:e083abcfe7a8 97 void flushEvents(); //to be called during polling
cheungderek 0:e083abcfe7a8 98
cheungderek 0:e083abcfe7a8 99 Host m_host;
cheungderek 0:e083abcfe7a8 100 Host m_client;
cheungderek 0:e083abcfe7a8 101
cheungderek 0:e083abcfe7a8 102 friend class Net;
cheungderek 0:e083abcfe7a8 103 int m_refs;
cheungderek 0:e083abcfe7a8 104
cheungderek 0:e083abcfe7a8 105 bool m_closed;
cheungderek 0:e083abcfe7a8 106 bool m_removed;
cheungderek 0:e083abcfe7a8 107
cheungderek 0:e083abcfe7a8 108 private:
cheungderek 0:e083abcfe7a8 109 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
cheungderek 0:e083abcfe7a8 110 //If we port this to a multithreaded OS, we could avoid this (however some functions here are not thread-safe, so beware ;) )
cheungderek 0:e083abcfe7a8 111 void onEvent(NetTcpSocketEvent e); //To be called on poll
cheungderek 0:e083abcfe7a8 112 CDummy* m_pCbItem;
cheungderek 0:e083abcfe7a8 113 void (CDummy::*m_pCbMeth)(NetTcpSocketEvent);
cheungderek 0:e083abcfe7a8 114 queue<NetTcpSocketEvent> m_events;
cheungderek 0:e083abcfe7a8 115
cheungderek 0:e083abcfe7a8 116 };
cheungderek 0:e083abcfe7a8 117
cheungderek 0:e083abcfe7a8 118 #endif