Steve Kim / mbed-src

mbed library sources(for async_print)

Dependents:   AsyncPrint

Fork of mbed-src by mbed official

cpp/Ethernet.h@2:143cac498751, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 11:44:18 2013 +0000
Revision:
2:143cac498751
Parent:
0:fd0d7bdfcdc2 
Update mbed sources to Rev 59

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #ifndef MBED_ETHERNET_H
mbed_official 0:fd0d7bdfcdc2 17 #define MBED_ETHERNET_H
mbed_official 0:fd0d7bdfcdc2 18
mbed_official 0:fd0d7bdfcdc2 19 #include "platform.h"
mbed_official 0:fd0d7bdfcdc2 20
mbed_official 0:fd0d7bdfcdc2 21 #if DEVICE_ETHERNET
mbed_official 0:fd0d7bdfcdc2 22
mbed_official 0:fd0d7bdfcdc2 23 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 24
mbed_official 0:fd0d7bdfcdc2 25 /** An ethernet interface, to use with the ethernet pins.
mbed_official 0:fd0d7bdfcdc2 26 *
mbed_official 0:fd0d7bdfcdc2 27 * Example:
mbed_official 0:fd0d7bdfcdc2 28 * @code
mbed_official 0:fd0d7bdfcdc2 29 * // Read destination and source from every ethernet packet
emilmont 2:143cac498751 30 *
mbed_official 0:fd0d7bdfcdc2 31 * #include "mbed.h"
mbed_official 0:fd0d7bdfcdc2 32 *
mbed_official 0:fd0d7bdfcdc2 33 * Ethernet eth;
emilmont 2:143cac498751 34 *
mbed_official 0:fd0d7bdfcdc2 35 * int main() {
mbed_official 0:fd0d7bdfcdc2 36 * char buf[0x600];
emilmont 2:143cac498751 37 *
mbed_official 0:fd0d7bdfcdc2 38 * while(1) {
mbed_official 0:fd0d7bdfcdc2 39 * int size = eth.receive();
mbed_official 0:fd0d7bdfcdc2 40 * if(size > 0) {
mbed_official 0:fd0d7bdfcdc2 41 * eth.read(buf, size);
mbed_official 0:fd0d7bdfcdc2 42 * printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\n",
mbed_official 0:fd0d7bdfcdc2 43 * buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
mbed_official 0:fd0d7bdfcdc2 44 * printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n",
mbed_official 0:fd0d7bdfcdc2 45 * buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
mbed_official 0:fd0d7bdfcdc2 46 * }
emilmont 2:143cac498751 47 *
mbed_official 0:fd0d7bdfcdc2 48 * wait(1);
mbed_official 0:fd0d7bdfcdc2 49 * }
mbed_official 0:fd0d7bdfcdc2 50 * }
mbed_official 0:fd0d7bdfcdc2 51 * @endcode
mbed_official 0:fd0d7bdfcdc2 52 */
mbed_official 0:fd0d7bdfcdc2 53 class Ethernet {
mbed_official 0:fd0d7bdfcdc2 54
mbed_official 0:fd0d7bdfcdc2 55 public:
emilmont 2:143cac498751 56
mbed_official 0:fd0d7bdfcdc2 57 /** Initialise the ethernet interface.
mbed_official 0:fd0d7bdfcdc2 58 */
mbed_official 0:fd0d7bdfcdc2 59 Ethernet();
mbed_official 0:fd0d7bdfcdc2 60
mbed_official 0:fd0d7bdfcdc2 61 /** Powers the hardware down.
mbed_official 0:fd0d7bdfcdc2 62 */
mbed_official 0:fd0d7bdfcdc2 63 virtual ~Ethernet();
mbed_official 0:fd0d7bdfcdc2 64
mbed_official 0:fd0d7bdfcdc2 65 enum Mode {
mbed_official 0:fd0d7bdfcdc2 66 AutoNegotiate,
mbed_official 0:fd0d7bdfcdc2 67 HalfDuplex10,
mbed_official 0:fd0d7bdfcdc2 68 FullDuplex10,
mbed_official 0:fd0d7bdfcdc2 69 HalfDuplex100,
mbed_official 0:fd0d7bdfcdc2 70 FullDuplex100
mbed_official 0:fd0d7bdfcdc2 71 };
mbed_official 0:fd0d7bdfcdc2 72
mbed_official 0:fd0d7bdfcdc2 73 /** Writes into an outgoing ethernet packet.
mbed_official 0:fd0d7bdfcdc2 74 *
mbed_official 0:fd0d7bdfcdc2 75 * It will append size bytes of data to the previously written bytes.
emilmont 2:143cac498751 76 *
mbed_official 0:fd0d7bdfcdc2 77 * @param data An array to write.
mbed_official 0:fd0d7bdfcdc2 78 * @param size The size of data.
mbed_official 0:fd0d7bdfcdc2 79 *
mbed_official 0:fd0d7bdfcdc2 80 * @returns
mbed_official 0:fd0d7bdfcdc2 81 * The number of written bytes.
mbed_official 0:fd0d7bdfcdc2 82 */
mbed_official 0:fd0d7bdfcdc2 83 int write(const char *data, int size);
mbed_official 0:fd0d7bdfcdc2 84
mbed_official 0:fd0d7bdfcdc2 85 /** Send an outgoing ethernet packet.
mbed_official 0:fd0d7bdfcdc2 86 *
mbed_official 0:fd0d7bdfcdc2 87 * After filling in the data in an ethernet packet it must be send.
mbed_official 0:fd0d7bdfcdc2 88 * Send will provide a new packet to write to.
mbed_official 0:fd0d7bdfcdc2 89 *
mbed_official 0:fd0d7bdfcdc2 90 * @returns
mbed_official 0:fd0d7bdfcdc2 91 * 0 if the sending was failed,
mbed_official 0:fd0d7bdfcdc2 92 * 1 if the package is successfully sent.
mbed_official 0:fd0d7bdfcdc2 93 */
mbed_official 0:fd0d7bdfcdc2 94 int send();
mbed_official 0:fd0d7bdfcdc2 95
mbed_official 0:fd0d7bdfcdc2 96 /** Recevies an arrived ethernet packet.
mbed_official 0:fd0d7bdfcdc2 97 *
emilmont 2:143cac498751 98 * Receiving an ethernet packet will drop the last received ethernet packet
mbed_official 0:fd0d7bdfcdc2 99 * and make a new ethernet packet ready to read.
mbed_official 0:fd0d7bdfcdc2 100 * If no ethernet packet is arrived it will return 0.
mbed_official 0:fd0d7bdfcdc2 101 *
mbed_official 0:fd0d7bdfcdc2 102 * @returns
mbed_official 0:fd0d7bdfcdc2 103 * 0 if no ethernet packet is arrived,
mbed_official 0:fd0d7bdfcdc2 104 * or the size of the arrived packet.
mbed_official 0:fd0d7bdfcdc2 105 */
mbed_official 0:fd0d7bdfcdc2 106 int receive();
mbed_official 0:fd0d7bdfcdc2 107
mbed_official 0:fd0d7bdfcdc2 108 /** Read from an recevied ethernet packet.
mbed_official 0:fd0d7bdfcdc2 109 *
mbed_official 0:fd0d7bdfcdc2 110 * After receive returnd a number bigger than 0it is
mbed_official 0:fd0d7bdfcdc2 111 * possible to read bytes from this packet.
mbed_official 0:fd0d7bdfcdc2 112 * Read will write up to size bytes into data.
mbed_official 0:fd0d7bdfcdc2 113 *
emilmont 2:143cac498751 114 * It is possible to use read multible times.
mbed_official 0:fd0d7bdfcdc2 115 * Each time read will start reading after the last read byte before.
mbed_official 0:fd0d7bdfcdc2 116 *
mbed_official 0:fd0d7bdfcdc2 117 * @returns
mbed_official 0:fd0d7bdfcdc2 118 * The number of byte read.
mbed_official 0:fd0d7bdfcdc2 119 */
mbed_official 0:fd0d7bdfcdc2 120 int read(char *data, int size);
emilmont 2:143cac498751 121
mbed_official 0:fd0d7bdfcdc2 122 /** Gives the ethernet address of the mbed.
mbed_official 0:fd0d7bdfcdc2 123 *
mbed_official 0:fd0d7bdfcdc2 124 * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in.
mbed_official 0:fd0d7bdfcdc2 125 */
mbed_official 0:fd0d7bdfcdc2 126 void address(char *mac);
mbed_official 0:fd0d7bdfcdc2 127
mbed_official 0:fd0d7bdfcdc2 128 /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up.
emilmont 2:143cac498751 129 *
mbed_official 0:fd0d7bdfcdc2 130 * @returns
mbed_official 0:fd0d7bdfcdc2 131 * 0 if no ethernet link is pressent,
mbed_official 0:fd0d7bdfcdc2 132 * 1 if an ethernet link is pressent.
mbed_official 0:fd0d7bdfcdc2 133 *
mbed_official 0:fd0d7bdfcdc2 134 * Example:
mbed_official 0:fd0d7bdfcdc2 135 * @code
mbed_official 0:fd0d7bdfcdc2 136 * // Using the Ethernet link function
mbed_official 0:fd0d7bdfcdc2 137 * #include "mbed.h"
emilmont 2:143cac498751 138 *
mbed_official 0:fd0d7bdfcdc2 139 * Ethernet eth;
mbed_official 0:fd0d7bdfcdc2 140 *
mbed_official 0:fd0d7bdfcdc2 141 * int main() {
mbed_official 0:fd0d7bdfcdc2 142 * wait(1); // Needed after startup.
mbed_official 0:fd0d7bdfcdc2 143 * if (eth.link()) {
mbed_official 0:fd0d7bdfcdc2 144 * printf("online\n");
mbed_official 0:fd0d7bdfcdc2 145 * } else {
mbed_official 0:fd0d7bdfcdc2 146 * printf("offline\n");
mbed_official 0:fd0d7bdfcdc2 147 * }
mbed_official 0:fd0d7bdfcdc2 148 * }
mbed_official 0:fd0d7bdfcdc2 149 * @endcode
mbed_official 0:fd0d7bdfcdc2 150 */
mbed_official 0:fd0d7bdfcdc2 151 int link();
mbed_official 0:fd0d7bdfcdc2 152
mbed_official 0:fd0d7bdfcdc2 153 /** Sets the speed and duplex parameters of an ethernet link
mbed_official 0:fd0d7bdfcdc2 154 *
mbed_official 0:fd0d7bdfcdc2 155 * - AutoNegotiate Auto negotiate speed and duplex
mbed_official 0:fd0d7bdfcdc2 156 * - HalfDuplex10 10 Mbit, half duplex
mbed_official 0:fd0d7bdfcdc2 157 * - FullDuplex10 10 Mbit, full duplex
mbed_official 0:fd0d7bdfcdc2 158 * - HalfDuplex100 100 Mbit, half duplex
mbed_official 0:fd0d7bdfcdc2 159 * - FullDuplex100 100 Mbit, full duplex
mbed_official 0:fd0d7bdfcdc2 160 *
mbed_official 0:fd0d7bdfcdc2 161 * @param mode the speed and duplex mode to set the link to:
mbed_official 0:fd0d7bdfcdc2 162 */
mbed_official 0:fd0d7bdfcdc2 163 void set_link(Mode mode);
mbed_official 0:fd0d7bdfcdc2 164 };
mbed_official 0:fd0d7bdfcdc2 165
mbed_official 0:fd0d7bdfcdc2 166 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 167
mbed_official 0:fd0d7bdfcdc2 168 #endif
mbed_official 0:fd0d7bdfcdc2 169
mbed_official 0:fd0d7bdfcdc2 170 #endif