Steve Kim / mbed-src

mbed library sources(for async_print)

Dependents:   AsyncPrint

Fork of mbed-src by mbed official

cpp/Ethernet.h@0:fd0d7bdfcdc2, 2012-11-20 (annotated)

Committer:
mbed_official
Date:
Tue Nov 20 17:24:08 2012 +0000
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
mbed sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
mbed_official 0:fd0d7bdfcdc2 2 * Copyright (c) 2006-2012 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
mbed_official 0:fd0d7bdfcdc2 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbed_official 0:fd0d7bdfcdc2 5 * of this software and associated documentation files (the "Software"), to deal
mbed_official 0:fd0d7bdfcdc2 6 * in the Software without restriction, including without limitation the rights
mbed_official 0:fd0d7bdfcdc2 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed_official 0:fd0d7bdfcdc2 8 * copies of the Software, and to permit persons to whom the Software is
mbed_official 0:fd0d7bdfcdc2 9 * furnished to do so, subject to the following conditions:
mbed_official 0:fd0d7bdfcdc2 10 *
mbed_official 0:fd0d7bdfcdc2 11 * The above copyright notice and this permission notice shall be included in
mbed_official 0:fd0d7bdfcdc2 12 * all copies or substantial portions of the Software.
mbed_official 0:fd0d7bdfcdc2 13 *
mbed_official 0:fd0d7bdfcdc2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed_official 0:fd0d7bdfcdc2 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed_official 0:fd0d7bdfcdc2 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed_official 0:fd0d7bdfcdc2 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed_official 0:fd0d7bdfcdc2 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:fd0d7bdfcdc2 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbed_official 0:fd0d7bdfcdc2 20 * SOFTWARE.
mbed_official 0:fd0d7bdfcdc2 21 */
mbed_official 0:fd0d7bdfcdc2 22 #ifndef MBED_ETHERNET_H
mbed_official 0:fd0d7bdfcdc2 23 #define MBED_ETHERNET_H
mbed_official 0:fd0d7bdfcdc2 24
mbed_official 0:fd0d7bdfcdc2 25 #include "platform.h"
mbed_official 0:fd0d7bdfcdc2 26
mbed_official 0:fd0d7bdfcdc2 27 #if DEVICE_ETHERNET
mbed_official 0:fd0d7bdfcdc2 28
mbed_official 0:fd0d7bdfcdc2 29 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 30
mbed_official 0:fd0d7bdfcdc2 31 /** An ethernet interface, to use with the ethernet pins.
mbed_official 0:fd0d7bdfcdc2 32 *
mbed_official 0:fd0d7bdfcdc2 33 * Example:
mbed_official 0:fd0d7bdfcdc2 34 * @code
mbed_official 0:fd0d7bdfcdc2 35 * // Read destination and source from every ethernet packet
mbed_official 0:fd0d7bdfcdc2 36 *
mbed_official 0:fd0d7bdfcdc2 37 * #include "mbed.h"
mbed_official 0:fd0d7bdfcdc2 38 *
mbed_official 0:fd0d7bdfcdc2 39 * Ethernet eth;
mbed_official 0:fd0d7bdfcdc2 40 *
mbed_official 0:fd0d7bdfcdc2 41 * int main() {
mbed_official 0:fd0d7bdfcdc2 42 * char buf[0x600];
mbed_official 0:fd0d7bdfcdc2 43 *
mbed_official 0:fd0d7bdfcdc2 44 * while(1) {
mbed_official 0:fd0d7bdfcdc2 45 * int size = eth.receive();
mbed_official 0:fd0d7bdfcdc2 46 * if(size > 0) {
mbed_official 0:fd0d7bdfcdc2 47 * eth.read(buf, size);
mbed_official 0:fd0d7bdfcdc2 48 * printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\n",
mbed_official 0:fd0d7bdfcdc2 49 * buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
mbed_official 0:fd0d7bdfcdc2 50 * printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n",
mbed_official 0:fd0d7bdfcdc2 51 * buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
mbed_official 0:fd0d7bdfcdc2 52 * }
mbed_official 0:fd0d7bdfcdc2 53 *
mbed_official 0:fd0d7bdfcdc2 54 * wait(1);
mbed_official 0:fd0d7bdfcdc2 55 * }
mbed_official 0:fd0d7bdfcdc2 56 * }
mbed_official 0:fd0d7bdfcdc2 57 * @endcode
mbed_official 0:fd0d7bdfcdc2 58 */
mbed_official 0:fd0d7bdfcdc2 59 class Ethernet {
mbed_official 0:fd0d7bdfcdc2 60
mbed_official 0:fd0d7bdfcdc2 61 public:
mbed_official 0:fd0d7bdfcdc2 62
mbed_official 0:fd0d7bdfcdc2 63 /** Initialise the ethernet interface.
mbed_official 0:fd0d7bdfcdc2 64 */
mbed_official 0:fd0d7bdfcdc2 65 Ethernet();
mbed_official 0:fd0d7bdfcdc2 66
mbed_official 0:fd0d7bdfcdc2 67 /** Powers the hardware down.
mbed_official 0:fd0d7bdfcdc2 68 */
mbed_official 0:fd0d7bdfcdc2 69 virtual ~Ethernet();
mbed_official 0:fd0d7bdfcdc2 70
mbed_official 0:fd0d7bdfcdc2 71 enum Mode {
mbed_official 0:fd0d7bdfcdc2 72 AutoNegotiate,
mbed_official 0:fd0d7bdfcdc2 73 HalfDuplex10,
mbed_official 0:fd0d7bdfcdc2 74 FullDuplex10,
mbed_official 0:fd0d7bdfcdc2 75 HalfDuplex100,
mbed_official 0:fd0d7bdfcdc2 76 FullDuplex100
mbed_official 0:fd0d7bdfcdc2 77 };
mbed_official 0:fd0d7bdfcdc2 78
mbed_official 0:fd0d7bdfcdc2 79 /** Writes into an outgoing ethernet packet.
mbed_official 0:fd0d7bdfcdc2 80 *
mbed_official 0:fd0d7bdfcdc2 81 * It will append size bytes of data to the previously written bytes.
mbed_official 0:fd0d7bdfcdc2 82 *
mbed_official 0:fd0d7bdfcdc2 83 * @param data An array to write.
mbed_official 0:fd0d7bdfcdc2 84 * @param size The size of data.
mbed_official 0:fd0d7bdfcdc2 85 *
mbed_official 0:fd0d7bdfcdc2 86 * @returns
mbed_official 0:fd0d7bdfcdc2 87 * The number of written bytes.
mbed_official 0:fd0d7bdfcdc2 88 */
mbed_official 0:fd0d7bdfcdc2 89 int write(const char *data, int size);
mbed_official 0:fd0d7bdfcdc2 90
mbed_official 0:fd0d7bdfcdc2 91 /** Send an outgoing ethernet packet.
mbed_official 0:fd0d7bdfcdc2 92 *
mbed_official 0:fd0d7bdfcdc2 93 * After filling in the data in an ethernet packet it must be send.
mbed_official 0:fd0d7bdfcdc2 94 * Send will provide a new packet to write to.
mbed_official 0:fd0d7bdfcdc2 95 *
mbed_official 0:fd0d7bdfcdc2 96 * @returns
mbed_official 0:fd0d7bdfcdc2 97 * 0 if the sending was failed,
mbed_official 0:fd0d7bdfcdc2 98 * 1 if the package is successfully sent.
mbed_official 0:fd0d7bdfcdc2 99 */
mbed_official 0:fd0d7bdfcdc2 100 int send();
mbed_official 0:fd0d7bdfcdc2 101
mbed_official 0:fd0d7bdfcdc2 102 /** Recevies an arrived ethernet packet.
mbed_official 0:fd0d7bdfcdc2 103 *
mbed_official 0:fd0d7bdfcdc2 104 * Receiving an ethernet packet will drop the last received ethernet packet
mbed_official 0:fd0d7bdfcdc2 105 * and make a new ethernet packet ready to read.
mbed_official 0:fd0d7bdfcdc2 106 * If no ethernet packet is arrived it will return 0.
mbed_official 0:fd0d7bdfcdc2 107 *
mbed_official 0:fd0d7bdfcdc2 108 * @returns
mbed_official 0:fd0d7bdfcdc2 109 * 0 if no ethernet packet is arrived,
mbed_official 0:fd0d7bdfcdc2 110 * or the size of the arrived packet.
mbed_official 0:fd0d7bdfcdc2 111 */
mbed_official 0:fd0d7bdfcdc2 112 int receive();
mbed_official 0:fd0d7bdfcdc2 113
mbed_official 0:fd0d7bdfcdc2 114 /** Read from an recevied ethernet packet.
mbed_official 0:fd0d7bdfcdc2 115 *
mbed_official 0:fd0d7bdfcdc2 116 * After receive returnd a number bigger than 0it is
mbed_official 0:fd0d7bdfcdc2 117 * possible to read bytes from this packet.
mbed_official 0:fd0d7bdfcdc2 118 * Read will write up to size bytes into data.
mbed_official 0:fd0d7bdfcdc2 119 *
mbed_official 0:fd0d7bdfcdc2 120 * It is possible to use read multible times.
mbed_official 0:fd0d7bdfcdc2 121 * Each time read will start reading after the last read byte before.
mbed_official 0:fd0d7bdfcdc2 122 *
mbed_official 0:fd0d7bdfcdc2 123 * @returns
mbed_official 0:fd0d7bdfcdc2 124 * The number of byte read.
mbed_official 0:fd0d7bdfcdc2 125 */
mbed_official 0:fd0d7bdfcdc2 126 int read(char *data, int size);
mbed_official 0:fd0d7bdfcdc2 127
mbed_official 0:fd0d7bdfcdc2 128 /** Gives the ethernet address of the mbed.
mbed_official 0:fd0d7bdfcdc2 129 *
mbed_official 0:fd0d7bdfcdc2 130 * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in.
mbed_official 0:fd0d7bdfcdc2 131 */
mbed_official 0:fd0d7bdfcdc2 132 void address(char *mac);
mbed_official 0:fd0d7bdfcdc2 133
mbed_official 0:fd0d7bdfcdc2 134 /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up.
mbed_official 0:fd0d7bdfcdc2 135 *
mbed_official 0:fd0d7bdfcdc2 136 * @returns
mbed_official 0:fd0d7bdfcdc2 137 * 0 if no ethernet link is pressent,
mbed_official 0:fd0d7bdfcdc2 138 * 1 if an ethernet link is pressent.
mbed_official 0:fd0d7bdfcdc2 139 *
mbed_official 0:fd0d7bdfcdc2 140 * Example:
mbed_official 0:fd0d7bdfcdc2 141 * @code
mbed_official 0:fd0d7bdfcdc2 142 * // Using the Ethernet link function
mbed_official 0:fd0d7bdfcdc2 143 * #include "mbed.h"
mbed_official 0:fd0d7bdfcdc2 144 *
mbed_official 0:fd0d7bdfcdc2 145 * Ethernet eth;
mbed_official 0:fd0d7bdfcdc2 146 *
mbed_official 0:fd0d7bdfcdc2 147 * int main() {
mbed_official 0:fd0d7bdfcdc2 148 * wait(1); // Needed after startup.
mbed_official 0:fd0d7bdfcdc2 149 * if (eth.link()) {
mbed_official 0:fd0d7bdfcdc2 150 * printf("online\n");
mbed_official 0:fd0d7bdfcdc2 151 * } else {
mbed_official 0:fd0d7bdfcdc2 152 * printf("offline\n");
mbed_official 0:fd0d7bdfcdc2 153 * }
mbed_official 0:fd0d7bdfcdc2 154 * }
mbed_official 0:fd0d7bdfcdc2 155 * @endcode
mbed_official 0:fd0d7bdfcdc2 156 */
mbed_official 0:fd0d7bdfcdc2 157 int link();
mbed_official 0:fd0d7bdfcdc2 158
mbed_official 0:fd0d7bdfcdc2 159 /** Sets the speed and duplex parameters of an ethernet link
mbed_official 0:fd0d7bdfcdc2 160 *
mbed_official 0:fd0d7bdfcdc2 161 * - AutoNegotiate Auto negotiate speed and duplex
mbed_official 0:fd0d7bdfcdc2 162 * - HalfDuplex10 10 Mbit, half duplex
mbed_official 0:fd0d7bdfcdc2 163 * - FullDuplex10 10 Mbit, full duplex
mbed_official 0:fd0d7bdfcdc2 164 * - HalfDuplex100 100 Mbit, half duplex
mbed_official 0:fd0d7bdfcdc2 165 * - FullDuplex100 100 Mbit, full duplex
mbed_official 0:fd0d7bdfcdc2 166 *
mbed_official 0:fd0d7bdfcdc2 167 * @param mode the speed and duplex mode to set the link to:
mbed_official 0:fd0d7bdfcdc2 168 */
mbed_official 0:fd0d7bdfcdc2 169 void set_link(Mode mode);
mbed_official 0:fd0d7bdfcdc2 170 };
mbed_official 0:fd0d7bdfcdc2 171
mbed_official 0:fd0d7bdfcdc2 172 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 173
mbed_official 0:fd0d7bdfcdc2 174 #endif
mbed_official 0:fd0d7bdfcdc2 175
mbed_official 0:fd0d7bdfcdc2 176 #endif