Dataloger
Ethernet.h@0:666850d06c9f, 2015-08-20 (annotated)
- Committer:
- jhon309
- Date:
- Thu Aug 20 00:37:14 2015 +0000
- Revision:
- 0:666850d06c9f
ok
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jhon309 | 0:666850d06c9f | 1 | /* mbed Microcontroller Library |
jhon309 | 0:666850d06c9f | 2 | * Copyright (c) 2006-2013 ARM Limited |
jhon309 | 0:666850d06c9f | 3 | * |
jhon309 | 0:666850d06c9f | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
jhon309 | 0:666850d06c9f | 5 | * you may not use this file except in compliance with the License. |
jhon309 | 0:666850d06c9f | 6 | * You may obtain a copy of the License at |
jhon309 | 0:666850d06c9f | 7 | * |
jhon309 | 0:666850d06c9f | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
jhon309 | 0:666850d06c9f | 9 | * |
jhon309 | 0:666850d06c9f | 10 | * Unless required by applicable law or agreed to in writing, software |
jhon309 | 0:666850d06c9f | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
jhon309 | 0:666850d06c9f | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
jhon309 | 0:666850d06c9f | 13 | * See the License for the specific language governing permissions and |
jhon309 | 0:666850d06c9f | 14 | * limitations under the License. |
jhon309 | 0:666850d06c9f | 15 | */ |
jhon309 | 0:666850d06c9f | 16 | #ifndef MBED_ETHERNET_H |
jhon309 | 0:666850d06c9f | 17 | #define MBED_ETHERNET_H |
jhon309 | 0:666850d06c9f | 18 | |
jhon309 | 0:666850d06c9f | 19 | #include "platform.h" |
jhon309 | 0:666850d06c9f | 20 | |
jhon309 | 0:666850d06c9f | 21 | #if DEVICE_ETHERNET |
jhon309 | 0:666850d06c9f | 22 | |
jhon309 | 0:666850d06c9f | 23 | namespace mbed { |
jhon309 | 0:666850d06c9f | 24 | |
jhon309 | 0:666850d06c9f | 25 | /** An ethernet interface, to use with the ethernet pins. |
jhon309 | 0:666850d06c9f | 26 | * |
jhon309 | 0:666850d06c9f | 27 | * Example: |
jhon309 | 0:666850d06c9f | 28 | * @code |
jhon309 | 0:666850d06c9f | 29 | * // Read destination and source from every ethernet packet |
jhon309 | 0:666850d06c9f | 30 | * |
jhon309 | 0:666850d06c9f | 31 | * #include "mbed.h" |
jhon309 | 0:666850d06c9f | 32 | * |
jhon309 | 0:666850d06c9f | 33 | * Ethernet eth; |
jhon309 | 0:666850d06c9f | 34 | * |
jhon309 | 0:666850d06c9f | 35 | * int main() { |
jhon309 | 0:666850d06c9f | 36 | * char buf[0x600]; |
jhon309 | 0:666850d06c9f | 37 | * |
jhon309 | 0:666850d06c9f | 38 | * while(1) { |
jhon309 | 0:666850d06c9f | 39 | * int size = eth.receive(); |
jhon309 | 0:666850d06c9f | 40 | * if(size > 0) { |
jhon309 | 0:666850d06c9f | 41 | * eth.read(buf, size); |
jhon309 | 0:666850d06c9f | 42 | * printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\n", |
jhon309 | 0:666850d06c9f | 43 | * buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]); |
jhon309 | 0:666850d06c9f | 44 | * printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n", |
jhon309 | 0:666850d06c9f | 45 | * buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]); |
jhon309 | 0:666850d06c9f | 46 | * } |
jhon309 | 0:666850d06c9f | 47 | * |
jhon309 | 0:666850d06c9f | 48 | * wait(1); |
jhon309 | 0:666850d06c9f | 49 | * } |
jhon309 | 0:666850d06c9f | 50 | * } |
jhon309 | 0:666850d06c9f | 51 | * @endcode |
jhon309 | 0:666850d06c9f | 52 | */ |
jhon309 | 0:666850d06c9f | 53 | class Ethernet { |
jhon309 | 0:666850d06c9f | 54 | |
jhon309 | 0:666850d06c9f | 55 | public: |
jhon309 | 0:666850d06c9f | 56 | |
jhon309 | 0:666850d06c9f | 57 | /** Initialise the ethernet interface. |
jhon309 | 0:666850d06c9f | 58 | */ |
jhon309 | 0:666850d06c9f | 59 | Ethernet(); |
jhon309 | 0:666850d06c9f | 60 | |
jhon309 | 0:666850d06c9f | 61 | /** Powers the hardware down. |
jhon309 | 0:666850d06c9f | 62 | */ |
jhon309 | 0:666850d06c9f | 63 | virtual ~Ethernet(); |
jhon309 | 0:666850d06c9f | 64 | |
jhon309 | 0:666850d06c9f | 65 | enum Mode { |
jhon309 | 0:666850d06c9f | 66 | AutoNegotiate, |
jhon309 | 0:666850d06c9f | 67 | HalfDuplex10, |
jhon309 | 0:666850d06c9f | 68 | FullDuplex10, |
jhon309 | 0:666850d06c9f | 69 | HalfDuplex100, |
jhon309 | 0:666850d06c9f | 70 | FullDuplex100 |
jhon309 | 0:666850d06c9f | 71 | }; |
jhon309 | 0:666850d06c9f | 72 | |
jhon309 | 0:666850d06c9f | 73 | /** Writes into an outgoing ethernet packet. |
jhon309 | 0:666850d06c9f | 74 | * |
jhon309 | 0:666850d06c9f | 75 | * It will append size bytes of data to the previously written bytes. |
jhon309 | 0:666850d06c9f | 76 | * |
jhon309 | 0:666850d06c9f | 77 | * @param data An array to write. |
jhon309 | 0:666850d06c9f | 78 | * @param size The size of data. |
jhon309 | 0:666850d06c9f | 79 | * |
jhon309 | 0:666850d06c9f | 80 | * @returns |
jhon309 | 0:666850d06c9f | 81 | * The number of written bytes. |
jhon309 | 0:666850d06c9f | 82 | */ |
jhon309 | 0:666850d06c9f | 83 | int write(const char *data, int size); |
jhon309 | 0:666850d06c9f | 84 | |
jhon309 | 0:666850d06c9f | 85 | /** Send an outgoing ethernet packet. |
jhon309 | 0:666850d06c9f | 86 | * |
jhon309 | 0:666850d06c9f | 87 | * After filling in the data in an ethernet packet it must be send. |
jhon309 | 0:666850d06c9f | 88 | * Send will provide a new packet to write to. |
jhon309 | 0:666850d06c9f | 89 | * |
jhon309 | 0:666850d06c9f | 90 | * @returns |
jhon309 | 0:666850d06c9f | 91 | * 0 if the sending was failed, |
jhon309 | 0:666850d06c9f | 92 | * or the size of the packet successfully sent. |
jhon309 | 0:666850d06c9f | 93 | */ |
jhon309 | 0:666850d06c9f | 94 | int send(); |
jhon309 | 0:666850d06c9f | 95 | |
jhon309 | 0:666850d06c9f | 96 | /** Recevies an arrived ethernet packet. |
jhon309 | 0:666850d06c9f | 97 | * |
jhon309 | 0:666850d06c9f | 98 | * Receiving an ethernet packet will drop the last received ethernet packet |
jhon309 | 0:666850d06c9f | 99 | * and make a new ethernet packet ready to read. |
jhon309 | 0:666850d06c9f | 100 | * If no ethernet packet is arrived it will return 0. |
jhon309 | 0:666850d06c9f | 101 | * |
jhon309 | 0:666850d06c9f | 102 | * @returns |
jhon309 | 0:666850d06c9f | 103 | * 0 if no ethernet packet is arrived, |
jhon309 | 0:666850d06c9f | 104 | * or the size of the arrived packet. |
jhon309 | 0:666850d06c9f | 105 | */ |
jhon309 | 0:666850d06c9f | 106 | int receive(); |
jhon309 | 0:666850d06c9f | 107 | |
jhon309 | 0:666850d06c9f | 108 | /** Read from an recevied ethernet packet. |
jhon309 | 0:666850d06c9f | 109 | * |
jhon309 | 0:666850d06c9f | 110 | * After receive returnd a number bigger than 0it is |
jhon309 | 0:666850d06c9f | 111 | * possible to read bytes from this packet. |
jhon309 | 0:666850d06c9f | 112 | * Read will write up to size bytes into data. |
jhon309 | 0:666850d06c9f | 113 | * |
jhon309 | 0:666850d06c9f | 114 | * It is possible to use read multible times. |
jhon309 | 0:666850d06c9f | 115 | * Each time read will start reading after the last read byte before. |
jhon309 | 0:666850d06c9f | 116 | * |
jhon309 | 0:666850d06c9f | 117 | * @returns |
jhon309 | 0:666850d06c9f | 118 | * The number of byte read. |
jhon309 | 0:666850d06c9f | 119 | */ |
jhon309 | 0:666850d06c9f | 120 | int read(char *data, int size); |
jhon309 | 0:666850d06c9f | 121 | |
jhon309 | 0:666850d06c9f | 122 | /** Gives the ethernet address of the mbed. |
jhon309 | 0:666850d06c9f | 123 | * |
jhon309 | 0:666850d06c9f | 124 | * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in. |
jhon309 | 0:666850d06c9f | 125 | */ |
jhon309 | 0:666850d06c9f | 126 | void address(char *mac); |
jhon309 | 0:666850d06c9f | 127 | |
jhon309 | 0:666850d06c9f | 128 | /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up. |
jhon309 | 0:666850d06c9f | 129 | * |
jhon309 | 0:666850d06c9f | 130 | * @returns |
jhon309 | 0:666850d06c9f | 131 | * 0 if no ethernet link is pressent, |
jhon309 | 0:666850d06c9f | 132 | * 1 if an ethernet link is pressent. |
jhon309 | 0:666850d06c9f | 133 | * |
jhon309 | 0:666850d06c9f | 134 | * Example: |
jhon309 | 0:666850d06c9f | 135 | * @code |
jhon309 | 0:666850d06c9f | 136 | * // Using the Ethernet link function |
jhon309 | 0:666850d06c9f | 137 | * #include "mbed.h" |
jhon309 | 0:666850d06c9f | 138 | * |
jhon309 | 0:666850d06c9f | 139 | * Ethernet eth; |
jhon309 | 0:666850d06c9f | 140 | * |
jhon309 | 0:666850d06c9f | 141 | * int main() { |
jhon309 | 0:666850d06c9f | 142 | * wait(1); // Needed after startup. |
jhon309 | 0:666850d06c9f | 143 | * if (eth.link()) { |
jhon309 | 0:666850d06c9f | 144 | * printf("online\n"); |
jhon309 | 0:666850d06c9f | 145 | * } else { |
jhon309 | 0:666850d06c9f | 146 | * printf("offline\n"); |
jhon309 | 0:666850d06c9f | 147 | * } |
jhon309 | 0:666850d06c9f | 148 | * } |
jhon309 | 0:666850d06c9f | 149 | * @endcode |
jhon309 | 0:666850d06c9f | 150 | */ |
jhon309 | 0:666850d06c9f | 151 | int link(); |
jhon309 | 0:666850d06c9f | 152 | |
jhon309 | 0:666850d06c9f | 153 | /** Sets the speed and duplex parameters of an ethernet link |
jhon309 | 0:666850d06c9f | 154 | * |
jhon309 | 0:666850d06c9f | 155 | * - AutoNegotiate Auto negotiate speed and duplex |
jhon309 | 0:666850d06c9f | 156 | * - HalfDuplex10 10 Mbit, half duplex |
jhon309 | 0:666850d06c9f | 157 | * - FullDuplex10 10 Mbit, full duplex |
jhon309 | 0:666850d06c9f | 158 | * - HalfDuplex100 100 Mbit, half duplex |
jhon309 | 0:666850d06c9f | 159 | * - FullDuplex100 100 Mbit, full duplex |
jhon309 | 0:666850d06c9f | 160 | * |
jhon309 | 0:666850d06c9f | 161 | * @param mode the speed and duplex mode to set the link to: |
jhon309 | 0:666850d06c9f | 162 | */ |
jhon309 | 0:666850d06c9f | 163 | void set_link(Mode mode); |
jhon309 | 0:666850d06c9f | 164 | }; |
jhon309 | 0:666850d06c9f | 165 | |
jhon309 | 0:666850d06c9f | 166 | } // namespace mbed |
jhon309 | 0:666850d06c9f | 167 | |
jhon309 | 0:666850d06c9f | 168 | #endif |
jhon309 | 0:666850d06c9f | 169 | |
jhon309 | 0:666850d06c9f | 170 | #endif |