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 /** \file
cheungderek 0:e083abcfe7a8 25 Ethernet network interface header file
cheungderek 0:e083abcfe7a8 26 */
cheungderek 0:e083abcfe7a8 27
cheungderek 0:e083abcfe7a8 28 #ifndef ETHERNETNETIF_H
cheungderek 0:e083abcfe7a8 29 #define ETHERNETNETIF_H
cheungderek 0:e083abcfe7a8 30
cheungderek 0:e083abcfe7a8 31 struct netif;
cheungderek 0:e083abcfe7a8 32
cheungderek 0:e083abcfe7a8 33 #include "mbed.h"
cheungderek 0:e083abcfe7a8 34
cheungderek 0:e083abcfe7a8 35 #include "if/lwip/LwipNetIf.h"
cheungderek 0:e083abcfe7a8 36
cheungderek 0:e083abcfe7a8 37 ///Ethernet network interface return codes
cheungderek 0:e083abcfe7a8 38 enum EthernetErr
cheungderek 0:e083abcfe7a8 39 {
cheungderek 0:e083abcfe7a8 40 __ETH_MIN = -0xFFFF,
cheungderek 0:e083abcfe7a8 41 ETH_TIMEOUT, ///<Timeout during setup
cheungderek 0:e083abcfe7a8 42 ETH_OK = 0 ///<Success
cheungderek 0:e083abcfe7a8 43 };
cheungderek 0:e083abcfe7a8 44
cheungderek 0:e083abcfe7a8 45 ///Ethernet network interface
cheungderek 0:e083abcfe7a8 46 /**
cheungderek 0:e083abcfe7a8 47 This class provides Ethernet connectivity to the stack
cheungderek 0:e083abcfe7a8 48 */
cheungderek 0:e083abcfe7a8 49 class EthernetNetIf : public LwipNetIf
cheungderek 0:e083abcfe7a8 50 {
cheungderek 0:e083abcfe7a8 51 public:
cheungderek 0:e083abcfe7a8 52 ///Instantiates the Interface and register it against the stack, DHCP will be used
cheungderek 0:e083abcfe7a8 53 EthernetNetIf(); //W/ DHCP
cheungderek 0:e083abcfe7a8 54
cheungderek 0:e083abcfe7a8 55 ///Instantiates the Interface and register it against the stack, DHCP will not be used
cheungderek 0:e083abcfe7a8 56 /**
cheungderek 0:e083abcfe7a8 57 IpAddr is a container class that can be constructed with either 4 bytes or no parameters for a null IP address.
cheungderek 0:e083abcfe7a8 58 */
cheungderek 0:e083abcfe7a8 59 EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns); //W/o DHCP
cheungderek 0:e083abcfe7a8 60 virtual ~EthernetNetIf();
cheungderek 0:e083abcfe7a8 61
cheungderek 0:e083abcfe7a8 62 ///Brings the interface up
cheungderek 0:e083abcfe7a8 63 /**
cheungderek 0:e083abcfe7a8 64 Uses DHCP if necessary
cheungderek 0:e083abcfe7a8 65 @param timeout_ms : You can set the timeout parameter in milliseconds, if not it defaults to 15s
cheungderek 0:e083abcfe7a8 66 @return : ETH_OK on success or ETH_TIMEOUT on timeout
cheungderek 0:e083abcfe7a8 67 */
cheungderek 0:e083abcfe7a8 68 EthernetErr setup(int timeout_ms = 15000);
cheungderek 0:e083abcfe7a8 69
cheungderek 0:e083abcfe7a8 70 virtual void poll();
cheungderek 0:e083abcfe7a8 71
cheungderek 0:e083abcfe7a8 72 private:
cheungderek 0:e083abcfe7a8 73 Timer m_ethArpTimer;
cheungderek 0:e083abcfe7a8 74 Timer m_dhcpCoarseTimer;
cheungderek 0:e083abcfe7a8 75 Timer m_dhcpFineTimer;
cheungderek 0:e083abcfe7a8 76 Timer m_igmpTimer;
cheungderek 0:e083abcfe7a8 77
cheungderek 0:e083abcfe7a8 78 bool m_useDhcp;
cheungderek 0:e083abcfe7a8 79
cheungderek 0:e083abcfe7a8 80 netif* m_pNetIf;
cheungderek 0:e083abcfe7a8 81
cheungderek 0:e083abcfe7a8 82 IpAddr m_netmask;
cheungderek 0:e083abcfe7a8 83 IpAddr m_gateway;
cheungderek 0:e083abcfe7a8 84
cheungderek 0:e083abcfe7a8 85 const char* m_hostname;
cheungderek 0:e083abcfe7a8 86
cheungderek 0:e083abcfe7a8 87 };
cheungderek 0:e083abcfe7a8 88
cheungderek 0:e083abcfe7a8 89 #endif
cheungderek 0:e083abcfe7a8 90