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/if/net/netudpsocket.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 #ifndef NETUDPSOCKET_H
cheungderek 0:e083abcfe7a8 25 #define NETUDPSOCKET_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 NetUdpSocketErr
cheungderek 0:e083abcfe7a8 37 {
cheungderek 0:e083abcfe7a8 38 __NETUDPSOCKET_MIN = -0xFFFF,
cheungderek 0:e083abcfe7a8 39 NETUDPSOCKET_SETUP, //NetUdpSocket not properly configured
cheungderek 0:e083abcfe7a8 40 NETUDPSOCKET_IF, //If has problems
cheungderek 0:e083abcfe7a8 41 NETUDPSOCKET_MEM, //Not enough mem
cheungderek 0:e083abcfe7a8 42 NETUDPSOCKET_INUSE, //If/Port is in use
cheungderek 0:e083abcfe7a8 43 //...
cheungderek 0:e083abcfe7a8 44 NETUDPSOCKET_OK = 0
cheungderek 0:e083abcfe7a8 45 };
cheungderek 0:e083abcfe7a8 46
cheungderek 0:e083abcfe7a8 47 enum NetUdpSocketEvent //Only one lonely event here... but who knows, maybe some day there'll be another one!
cheungderek 0:e083abcfe7a8 48 {
cheungderek 0:e083abcfe7a8 49 NETUDPSOCKET_READABLE, //Data in buf
cheungderek 0:e083abcfe7a8 50 };
cheungderek 0:e083abcfe7a8 51
cheungderek 0:e083abcfe7a8 52
cheungderek 0:e083abcfe7a8 53 class NetUdpSocket
cheungderek 0:e083abcfe7a8 54 {
cheungderek 0:e083abcfe7a8 55 public:
cheungderek 0:e083abcfe7a8 56 NetUdpSocket();
cheungderek 0:e083abcfe7a8 57 virtual ~NetUdpSocket(); //close()
cheungderek 0:e083abcfe7a8 58
cheungderek 0:e083abcfe7a8 59 virtual NetUdpSocketErr bind(const Host& me) = 0;
cheungderek 0:e083abcfe7a8 60
cheungderek 0:e083abcfe7a8 61 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost) = 0;
cheungderek 0:e083abcfe7a8 62 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost) = 0;
cheungderek 0:e083abcfe7a8 63
cheungderek 0:e083abcfe7a8 64 /* TODO NTH : printf / scanf helpers that call send/recv */
cheungderek 0:e083abcfe7a8 65
cheungderek 0:e083abcfe7a8 66 virtual NetUdpSocketErr close() = 0;
cheungderek 0:e083abcfe7a8 67
cheungderek 0:e083abcfe7a8 68 virtual NetUdpSocketErr poll() = 0;
cheungderek 0:e083abcfe7a8 69
cheungderek 0:e083abcfe7a8 70 class CDummy;
cheungderek 0:e083abcfe7a8 71 //Callbacks
cheungderek 0:e083abcfe7a8 72 template<class T>
cheungderek 0:e083abcfe7a8 73 //Linker bug : Must be defined here :(
cheungderek 0:e083abcfe7a8 74 void setOnEvent( T* pItem, void (T::*pMethod)(NetUdpSocketEvent) )
cheungderek 0:e083abcfe7a8 75 {
cheungderek 0:e083abcfe7a8 76 m_pCbItem = (CDummy*) pItem;
cheungderek 0:e083abcfe7a8 77 m_pCbMeth = (void (CDummy::*)(NetUdpSocketEvent)) pMethod;
cheungderek 0:e083abcfe7a8 78 }
cheungderek 0:e083abcfe7a8 79
cheungderek 0:e083abcfe7a8 80 void resetOnEvent(); //Disable callback
cheungderek 0:e083abcfe7a8 81
cheungderek 0:e083abcfe7a8 82 protected:
cheungderek 0:e083abcfe7a8 83 void queueEvent(NetUdpSocketEvent e);
cheungderek 0:e083abcfe7a8 84 void discardEvents();
cheungderek 0:e083abcfe7a8 85 void flushEvents(); //to be called during polling
cheungderek 0:e083abcfe7a8 86
cheungderek 0:e083abcfe7a8 87 Host m_host;
cheungderek 0:e083abcfe7a8 88 Host m_client;
cheungderek 0:e083abcfe7a8 89
cheungderek 0:e083abcfe7a8 90 friend class Net;
cheungderek 0:e083abcfe7a8 91 int m_refs;
cheungderek 0:e083abcfe7a8 92
cheungderek 0:e083abcfe7a8 93 bool m_closed;
cheungderek 0:e083abcfe7a8 94 bool m_removed;
cheungderek 0:e083abcfe7a8 95
cheungderek 0:e083abcfe7a8 96 private:
cheungderek 0:e083abcfe7a8 97 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
cheungderek 0:e083abcfe7a8 98 //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 99 void onEvent(NetUdpSocketEvent e); //To be called on poll
cheungderek 0:e083abcfe7a8 100 CDummy* m_pCbItem;
cheungderek 0:e083abcfe7a8 101 void (CDummy::*m_pCbMeth)(NetUdpSocketEvent);
cheungderek 0:e083abcfe7a8 102 queue<NetUdpSocketEvent> m_events;
cheungderek 0:e083abcfe7a8 103
cheungderek 0:e083abcfe7a8 104 };
cheungderek 0:e083abcfe7a8 105
cheungderek 0:e083abcfe7a8 106 #endif