Tushar Sachdeva / FRDM_K64F_LCD

A simple 128x32 graphical LCD program to quickstart with LCD on ARM mbed IoT Starter Kit. This requires mbed Applciation Shield with FRDM-K64F platform.

Dependencies:   C12832

mbed/Ethernet.h@1:eb68c94a8ee5, 2015-04-12 (annotated)

Committer:
tushki7
Date:
Sun Apr 12 15:45:52 2015 +0000
Revision:
1:eb68c94a8ee5
Parent:
0:60d829a0353a 
A simple 128x32 LCD program with ARM mbed IoT Starter Kit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tushki7 0:60d829a0353a 1 /* mbed Microcontroller Library
tushki7 0:60d829a0353a 2 * Copyright (c) 2006-2013 ARM Limited
tushki7 0:60d829a0353a 3 *
tushki7 0:60d829a0353a 4 * Licensed under the Apache License, Version 2.0 (the "License");
tushki7 0:60d829a0353a 5 * you may not use this file except in compliance with the License.
tushki7 0:60d829a0353a 6 * You may obtain a copy of the License at
tushki7 0:60d829a0353a 7 *
tushki7 0:60d829a0353a 8 * http://www.apache.org/licenses/LICENSE-2.0
tushki7 0:60d829a0353a 9 *
tushki7 0:60d829a0353a 10 * Unless required by applicable law or agreed to in writing, software
tushki7 0:60d829a0353a 11 * distributed under the License is distributed on an "AS IS" BASIS,
tushki7 0:60d829a0353a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
tushki7 0:60d829a0353a 13 * See the License for the specific language governing permissions and
tushki7 0:60d829a0353a 14 * limitations under the License.
tushki7 0:60d829a0353a 15 */
tushki7 0:60d829a0353a 16 #ifndef MBED_ETHERNET_H
tushki7 0:60d829a0353a 17 #define MBED_ETHERNET_H
tushki7 0:60d829a0353a 18
tushki7 0:60d829a0353a 19 #include "platform.h"
tushki7 0:60d829a0353a 20
tushki7 0:60d829a0353a 21 #if DEVICE_ETHERNET
tushki7 0:60d829a0353a 22
tushki7 0:60d829a0353a 23 namespace mbed {
tushki7 0:60d829a0353a 24
tushki7 0:60d829a0353a 25 /** An ethernet interface, to use with the ethernet pins.
tushki7 0:60d829a0353a 26 *
tushki7 0:60d829a0353a 27 * Example:
tushki7 0:60d829a0353a 28 * @code
tushki7 0:60d829a0353a 29 * // Read destination and source from every ethernet packet
tushki7 0:60d829a0353a 30 *
tushki7 0:60d829a0353a 31 * #include "mbed.h"
tushki7 0:60d829a0353a 32 *
tushki7 0:60d829a0353a 33 * Ethernet eth;
tushki7 0:60d829a0353a 34 *
tushki7 0:60d829a0353a 35 * int main() {
tushki7 0:60d829a0353a 36 * char buf[0x600];
tushki7 0:60d829a0353a 37 *
tushki7 0:60d829a0353a 38 * while(1) {
tushki7 0:60d829a0353a 39 * int size = eth.receive();
tushki7 0:60d829a0353a 40 * if(size > 0) {
tushki7 0:60d829a0353a 41 * eth.read(buf, size);
tushki7 0:60d829a0353a 42 * printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\n",
tushki7 0:60d829a0353a 43 * buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
tushki7 0:60d829a0353a 44 * printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n",
tushki7 0:60d829a0353a 45 * buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
tushki7 0:60d829a0353a 46 * }
tushki7 0:60d829a0353a 47 *
tushki7 0:60d829a0353a 48 * wait(1);
tushki7 0:60d829a0353a 49 * }
tushki7 0:60d829a0353a 50 * }
tushki7 0:60d829a0353a 51 * @endcode
tushki7 0:60d829a0353a 52 */
tushki7 0:60d829a0353a 53 class Ethernet {
tushki7 0:60d829a0353a 54
tushki7 0:60d829a0353a 55 public:
tushki7 0:60d829a0353a 56
tushki7 0:60d829a0353a 57 /** Initialise the ethernet interface.
tushki7 0:60d829a0353a 58 */
tushki7 0:60d829a0353a 59 Ethernet();
tushki7 0:60d829a0353a 60
tushki7 0:60d829a0353a 61 /** Powers the hardware down.
tushki7 0:60d829a0353a 62 */
tushki7 0:60d829a0353a 63 virtual ~Ethernet();
tushki7 0:60d829a0353a 64
tushki7 0:60d829a0353a 65 enum Mode {
tushki7 0:60d829a0353a 66 AutoNegotiate,
tushki7 0:60d829a0353a 67 HalfDuplex10,
tushki7 0:60d829a0353a 68 FullDuplex10,
tushki7 0:60d829a0353a 69 HalfDuplex100,
tushki7 0:60d829a0353a 70 FullDuplex100
tushki7 0:60d829a0353a 71 };
tushki7 0:60d829a0353a 72
tushki7 0:60d829a0353a 73 /** Writes into an outgoing ethernet packet.
tushki7 0:60d829a0353a 74 *
tushki7 0:60d829a0353a 75 * It will append size bytes of data to the previously written bytes.
tushki7 0:60d829a0353a 76 *
tushki7 0:60d829a0353a 77 * @param data An array to write.
tushki7 0:60d829a0353a 78 * @param size The size of data.
tushki7 0:60d829a0353a 79 *
tushki7 0:60d829a0353a 80 * @returns
tushki7 0:60d829a0353a 81 * The number of written bytes.
tushki7 0:60d829a0353a 82 */
tushki7 0:60d829a0353a 83 int write(const char *data, int size);
tushki7 0:60d829a0353a 84
tushki7 0:60d829a0353a 85 /** Send an outgoing ethernet packet.
tushki7 0:60d829a0353a 86 *
tushki7 0:60d829a0353a 87 * After filling in the data in an ethernet packet it must be send.
tushki7 0:60d829a0353a 88 * Send will provide a new packet to write to.
tushki7 0:60d829a0353a 89 *
tushki7 0:60d829a0353a 90 * @returns
tushki7 0:60d829a0353a 91 * 0 if the sending was failed,
tushki7 0:60d829a0353a 92 * or the size of the packet successfully sent.
tushki7 0:60d829a0353a 93 */
tushki7 0:60d829a0353a 94 int send();
tushki7 0:60d829a0353a 95
tushki7 0:60d829a0353a 96 /** Recevies an arrived ethernet packet.
tushki7 0:60d829a0353a 97 *
tushki7 0:60d829a0353a 98 * Receiving an ethernet packet will drop the last received ethernet packet
tushki7 0:60d829a0353a 99 * and make a new ethernet packet ready to read.
tushki7 0:60d829a0353a 100 * If no ethernet packet is arrived it will return 0.
tushki7 0:60d829a0353a 101 *
tushki7 0:60d829a0353a 102 * @returns
tushki7 0:60d829a0353a 103 * 0 if no ethernet packet is arrived,
tushki7 0:60d829a0353a 104 * or the size of the arrived packet.
tushki7 0:60d829a0353a 105 */
tushki7 0:60d829a0353a 106 int receive();
tushki7 0:60d829a0353a 107
tushki7 0:60d829a0353a 108 /** Read from an recevied ethernet packet.
tushki7 0:60d829a0353a 109 *
tushki7 0:60d829a0353a 110 * After receive returnd a number bigger than 0it is
tushki7 0:60d829a0353a 111 * possible to read bytes from this packet.
tushki7 0:60d829a0353a 112 * Read will write up to size bytes into data.
tushki7 0:60d829a0353a 113 *
tushki7 0:60d829a0353a 114 * It is possible to use read multible times.
tushki7 0:60d829a0353a 115 * Each time read will start reading after the last read byte before.
tushki7 0:60d829a0353a 116 *
tushki7 0:60d829a0353a 117 * @returns
tushki7 0:60d829a0353a 118 * The number of byte read.
tushki7 0:60d829a0353a 119 */
tushki7 0:60d829a0353a 120 int read(char *data, int size);
tushki7 0:60d829a0353a 121
tushki7 0:60d829a0353a 122 /** Gives the ethernet address of the mbed.
tushki7 0:60d829a0353a 123 *
tushki7 0:60d829a0353a 124 * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in.
tushki7 0:60d829a0353a 125 */
tushki7 0:60d829a0353a 126 void address(char *mac);
tushki7 0:60d829a0353a 127
tushki7 0:60d829a0353a 128 /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up.
tushki7 0:60d829a0353a 129 *
tushki7 0:60d829a0353a 130 * @returns
tushki7 0:60d829a0353a 131 * 0 if no ethernet link is pressent,
tushki7 0:60d829a0353a 132 * 1 if an ethernet link is pressent.
tushki7 0:60d829a0353a 133 *
tushki7 0:60d829a0353a 134 * Example:
tushki7 0:60d829a0353a 135 * @code
tushki7 0:60d829a0353a 136 * // Using the Ethernet link function
tushki7 0:60d829a0353a 137 * #include "mbed.h"
tushki7 0:60d829a0353a 138 *
tushki7 0:60d829a0353a 139 * Ethernet eth;
tushki7 0:60d829a0353a 140 *
tushki7 0:60d829a0353a 141 * int main() {
tushki7 0:60d829a0353a 142 * wait(1); // Needed after startup.
tushki7 0:60d829a0353a 143 * if (eth.link()) {
tushki7 0:60d829a0353a 144 * printf("online\n");
tushki7 0:60d829a0353a 145 * } else {
tushki7 0:60d829a0353a 146 * printf("offline\n");
tushki7 0:60d829a0353a 147 * }
tushki7 0:60d829a0353a 148 * }
tushki7 0:60d829a0353a 149 * @endcode
tushki7 0:60d829a0353a 150 */
tushki7 0:60d829a0353a 151 int link();
tushki7 0:60d829a0353a 152
tushki7 0:60d829a0353a 153 /** Sets the speed and duplex parameters of an ethernet link
tushki7 0:60d829a0353a 154 *
tushki7 0:60d829a0353a 155 * - AutoNegotiate Auto negotiate speed and duplex
tushki7 0:60d829a0353a 156 * - HalfDuplex10 10 Mbit, half duplex
tushki7 0:60d829a0353a 157 * - FullDuplex10 10 Mbit, full duplex
tushki7 0:60d829a0353a 158 * - HalfDuplex100 100 Mbit, half duplex
tushki7 0:60d829a0353a 159 * - FullDuplex100 100 Mbit, full duplex
tushki7 0:60d829a0353a 160 *
tushki7 0:60d829a0353a 161 * @param mode the speed and duplex mode to set the link to:
tushki7 0:60d829a0353a 162 */
tushki7 0:60d829a0353a 163 void set_link(Mode mode);
tushki7 0:60d829a0353a 164 };
tushki7 0:60d829a0353a 165
tushki7 0:60d829a0353a 166 } // namespace mbed
tushki7 0:60d829a0353a 167
tushki7 0:60d829a0353a 168 #endif
tushki7 0:60d829a0353a 169
tushki7 0:60d829a0353a 170 #endif