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/lwip/lwipNetUdpSocket.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 LWIPNETUDPSOCKET_H
cheungderek 0:e083abcfe7a8 25 #define LWIPNETUDPSOCKET_H
cheungderek 0:e083abcfe7a8 26
cheungderek 0:e083abcfe7a8 27 #define NET_LWIP_STACK 1
cheungderek 0:e083abcfe7a8 28 //#include "lwip/ip_addr.h"
cheungderek 0:e083abcfe7a8 29 #include "if/net/netudpsocket.h"
cheungderek 0:e083abcfe7a8 30 #include "LwipNetIf.h"
cheungderek 0:e083abcfe7a8 31
cheungderek 0:e083abcfe7a8 32 #include "stdint.h"
cheungderek 0:e083abcfe7a8 33
cheungderek 0:e083abcfe7a8 34 #include <list>
cheungderek 0:e083abcfe7a8 35 using std::list;
cheungderek 0:e083abcfe7a8 36
cheungderek 0:e083abcfe7a8 37 //Implements NetUdpSockets over lwIP raw API
cheungderek 0:e083abcfe7a8 38
cheungderek 0:e083abcfe7a8 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
cheungderek 0:e083abcfe7a8 40 struct pbuf; //Lwip Buffer Container
cheungderek 0:e083abcfe7a8 41 typedef struct ip_addr ip_addr_t;
cheungderek 0:e083abcfe7a8 42
cheungderek 0:e083abcfe7a8 43 //typedef signed char err_t;
cheungderek 0:e083abcfe7a8 44 typedef uint16_t u16_t;
cheungderek 0:e083abcfe7a8 45
cheungderek 0:e083abcfe7a8 46 class LwipNetUdpSocket: public NetUdpSocket
cheungderek 0:e083abcfe7a8 47 {
cheungderek 0:e083abcfe7a8 48 public:
cheungderek 0:e083abcfe7a8 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
cheungderek 0:e083abcfe7a8 50 virtual ~LwipNetUdpSocket();
cheungderek 0:e083abcfe7a8 51
cheungderek 0:e083abcfe7a8 52 virtual NetUdpSocketErr bind(const Host& me);
cheungderek 0:e083abcfe7a8 53
cheungderek 0:e083abcfe7a8 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
cheungderek 0:e083abcfe7a8 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
cheungderek 0:e083abcfe7a8 56
cheungderek 0:e083abcfe7a8 57 virtual NetUdpSocketErr close();
cheungderek 0:e083abcfe7a8 58
cheungderek 0:e083abcfe7a8 59 virtual NetUdpSocketErr poll();
cheungderek 0:e083abcfe7a8 60
cheungderek 0:e083abcfe7a8 61 protected:
cheungderek 0:e083abcfe7a8 62 volatile udp_pcb* m_pPcb;
cheungderek 0:e083abcfe7a8 63
cheungderek 0:e083abcfe7a8 64 //Event callback from lwIp
cheungderek 0:e083abcfe7a8 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
cheungderek 0:e083abcfe7a8 66
cheungderek 0:e083abcfe7a8 67 private:
cheungderek 0:e083abcfe7a8 68 void cleanUp(); //Flush input buffer
cheungderek 0:e083abcfe7a8 69 struct InPacket
cheungderek 0:e083abcfe7a8 70 {
cheungderek 0:e083abcfe7a8 71 volatile pbuf* pBuf;
cheungderek 0:e083abcfe7a8 72 ip_addr_t addr;
cheungderek 0:e083abcfe7a8 73 u16_t port;
cheungderek 0:e083abcfe7a8 74 };
cheungderek 0:e083abcfe7a8 75
cheungderek 0:e083abcfe7a8 76 list<InPacket> m_lInPkt;
cheungderek 0:e083abcfe7a8 77 IpAddr m_multicastGroup;
cheungderek 0:e083abcfe7a8 78
cheungderek 0:e083abcfe7a8 79 //Static callback : Transforms into a C++ callback
cheungderek 0:e083abcfe7a8 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
cheungderek 0:e083abcfe7a8 81
cheungderek 0:e083abcfe7a8 82 };
cheungderek 0:e083abcfe7a8 83
cheungderek 0:e083abcfe7a8 84 #endif