This short program illustrates how to use the DS130x_I2C library. My objective is to share the same RTC with Microchip 18F MCU.

Dependencies:   mbed DebugLibrary

Committer:
Yann
Date:
Fri Feb 11 10:17:20 2011 +0000
Revision:
1:995212d326ca
Parent:
0:f30e2135b0db
V0.0.0.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Yann 0:f30e2135b0db 1
Yann 0:f30e2135b0db 2 /*
Yann 0:f30e2135b0db 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Yann 0:f30e2135b0db 4
Yann 0:f30e2135b0db 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Yann 0:f30e2135b0db 6 of this software and associated documentation files (the "Software"), to deal
Yann 0:f30e2135b0db 7 in the Software without restriction, including without limitation the rights
Yann 0:f30e2135b0db 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Yann 0:f30e2135b0db 9 copies of the Software, and to permit persons to whom the Software is
Yann 0:f30e2135b0db 10 furnished to do so, subject to the following conditions:
Yann 0:f30e2135b0db 11
Yann 0:f30e2135b0db 12 The above copyright notice and this permission notice shall be included in
Yann 0:f30e2135b0db 13 all copies or substantial portions of the Software.
Yann 0:f30e2135b0db 14
Yann 0:f30e2135b0db 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Yann 0:f30e2135b0db 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Yann 0:f30e2135b0db 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Yann 0:f30e2135b0db 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Yann 0:f30e2135b0db 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Yann 0:f30e2135b0db 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Yann 0:f30e2135b0db 21 THE SOFTWARE.
Yann 0:f30e2135b0db 22 */
Yann 0:f30e2135b0db 23
Yann 0:f30e2135b0db 24 #include "UDPSocket.h"
Yann 0:f30e2135b0db 25 #include "if/net/netudpsocket.h"
Yann 0:f30e2135b0db 26
Yann 0:f30e2135b0db 27 UDPSocket::UDPSocket() : m_pNetUdpSocket(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
Yann 0:f30e2135b0db 28 {
Yann 0:f30e2135b0db 29
Yann 0:f30e2135b0db 30 }
Yann 0:f30e2135b0db 31
Yann 0:f30e2135b0db 32 UDPSocket::~UDPSocket() //close()
Yann 0:f30e2135b0db 33 {
Yann 0:f30e2135b0db 34 close();
Yann 0:f30e2135b0db 35 }
Yann 0:f30e2135b0db 36
Yann 0:f30e2135b0db 37 UDPSocketErr UDPSocket::bind(const Host& me)
Yann 0:f30e2135b0db 38 {
Yann 0:f30e2135b0db 39 UDPSocketErr udpSocketErr = checkInst();
Yann 0:f30e2135b0db 40 if(udpSocketErr)
Yann 0:f30e2135b0db 41 return udpSocketErr;
Yann 0:f30e2135b0db 42 return (UDPSocketErr) m_pNetUdpSocket->bind(me);
Yann 0:f30e2135b0db 43 }
Yann 0:f30e2135b0db 44
Yann 0:f30e2135b0db 45 int /*if < 0 : UDPSocketErr*/ UDPSocket::sendto(const char* buf, int len, Host* pHost)
Yann 0:f30e2135b0db 46 {
Yann 0:f30e2135b0db 47 UDPSocketErr udpSocketErr = checkInst();
Yann 0:f30e2135b0db 48 if(udpSocketErr)
Yann 0:f30e2135b0db 49 return udpSocketErr;
Yann 0:f30e2135b0db 50 return m_pNetUdpSocket->sendto(buf, len, pHost);
Yann 0:f30e2135b0db 51 }
Yann 0:f30e2135b0db 52
Yann 0:f30e2135b0db 53 int /*if < 0 : UDPSocketErr*/ UDPSocket::recvfrom(char* buf, int len, Host* pHost)
Yann 0:f30e2135b0db 54 {
Yann 0:f30e2135b0db 55 UDPSocketErr udpSocketErr = checkInst();
Yann 0:f30e2135b0db 56 if(udpSocketErr)
Yann 0:f30e2135b0db 57 return udpSocketErr;
Yann 0:f30e2135b0db 58 return m_pNetUdpSocket->recvfrom(buf, len, pHost);
Yann 0:f30e2135b0db 59 }
Yann 0:f30e2135b0db 60
Yann 0:f30e2135b0db 61 UDPSocketErr UDPSocket::close()
Yann 0:f30e2135b0db 62 {
Yann 0:f30e2135b0db 63 if(!m_pNetUdpSocket)
Yann 0:f30e2135b0db 64 return UDPSOCKET_SETUP;
Yann 0:f30e2135b0db 65 m_pNetUdpSocket->resetOnEvent();
Yann 0:f30e2135b0db 66 UDPSocketErr udpSocketErr = (UDPSocketErr) m_pNetUdpSocket->close(); //Close (can already be closed)
Yann 0:f30e2135b0db 67 Net::releaseUdpSocket(m_pNetUdpSocket); //And release it so it can be freed when properly removed
Yann 0:f30e2135b0db 68 m_pNetUdpSocket = NULL;
Yann 0:f30e2135b0db 69 return udpSocketErr;
Yann 0:f30e2135b0db 70 }
Yann 0:f30e2135b0db 71
Yann 0:f30e2135b0db 72 //Callbacks
Yann 0:f30e2135b0db 73 void UDPSocket::setOnEvent( void (*pMethod)(UDPSocketEvent) )
Yann 0:f30e2135b0db 74 {
Yann 0:f30e2135b0db 75 m_pCb = pMethod;
Yann 0:f30e2135b0db 76 }
Yann 0:f30e2135b0db 77
Yann 0:f30e2135b0db 78 #if 0 //For info only
Yann 0:f30e2135b0db 79 template<class T>
Yann 0:f30e2135b0db 80 void UDPSocket::setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
Yann 0:f30e2135b0db 81 {
Yann 0:f30e2135b0db 82 m_pCbItem = (CDummy*) pItem;
Yann 0:f30e2135b0db 83 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
Yann 0:f30e2135b0db 84 }
Yann 0:f30e2135b0db 85 #endif
Yann 0:f30e2135b0db 86
Yann 0:f30e2135b0db 87 void UDPSocket::resetOnEvent() //Disable callback
Yann 0:f30e2135b0db 88 {
Yann 0:f30e2135b0db 89 m_pCb = NULL;
Yann 0:f30e2135b0db 90 m_pCbItem = NULL;
Yann 0:f30e2135b0db 91 m_pCbMeth = NULL;
Yann 0:f30e2135b0db 92 }
Yann 0:f30e2135b0db 93
Yann 0:f30e2135b0db 94 void UDPSocket::onNetUdpSocketEvent(NetUdpSocketEvent e)
Yann 0:f30e2135b0db 95 {
Yann 0:f30e2135b0db 96 if(m_pCbItem && m_pCbMeth)
Yann 0:f30e2135b0db 97 (m_pCbItem->*m_pCbMeth)((UDPSocketEvent) e);
Yann 0:f30e2135b0db 98 else if(m_pCb)
Yann 0:f30e2135b0db 99 m_pCb((UDPSocketEvent) e);
Yann 0:f30e2135b0db 100 }
Yann 0:f30e2135b0db 101
Yann 0:f30e2135b0db 102 UDPSocketErr UDPSocket::checkInst()
Yann 0:f30e2135b0db 103 {
Yann 0:f30e2135b0db 104 if(!m_pNetUdpSocket)
Yann 0:f30e2135b0db 105 {
Yann 0:f30e2135b0db 106 m_pNetUdpSocket = Net::udpSocket();
Yann 0:f30e2135b0db 107 if(!m_pNetUdpSocket)
Yann 0:f30e2135b0db 108 {
Yann 0:f30e2135b0db 109 return UDPSOCKET_IF; //Interface did not return a socket (usually because a default interface does not exist)
Yann 0:f30e2135b0db 110 }
Yann 0:f30e2135b0db 111 m_pNetUdpSocket->setOnEvent(this, &UDPSocket::onNetUdpSocketEvent);
Yann 0:f30e2135b0db 112 }
Yann 0:f30e2135b0db 113 return UDPSOCKET_OK;
Yann 0:f30e2135b0db 114 }