Yihui Xiong / nrf51822_fix_i2c_spi_conflict

fix nrf51822 i2c & spi conflict

Dependencies:   BLE_API eMPL_MPU6050 nRF51822

Fork of Seeed_Tiny_BLE_Flash by Darren Huang

mbed-src/api/Ethernet.h@5:b8c02645e6af, 2015-11-17 (annotated)

Committer:
yihui
Date:
Tue Nov 17 07:48:56 2015 +0000
Revision:
5:b8c02645e6af
fix i2c & spi conflict

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 5:b8c02645e6af 1 /* mbed Microcontroller Library
yihui 5:b8c02645e6af 2 * Copyright (c) 2006-2013 ARM Limited
yihui 5:b8c02645e6af 3 *
yihui 5:b8c02645e6af 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 5:b8c02645e6af 5 * you may not use this file except in compliance with the License.
yihui 5:b8c02645e6af 6 * You may obtain a copy of the License at
yihui 5:b8c02645e6af 7 *
yihui 5:b8c02645e6af 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 5:b8c02645e6af 9 *
yihui 5:b8c02645e6af 10 * Unless required by applicable law or agreed to in writing, software
yihui 5:b8c02645e6af 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 5:b8c02645e6af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 5:b8c02645e6af 13 * See the License for the specific language governing permissions and
yihui 5:b8c02645e6af 14 * limitations under the License.
yihui 5:b8c02645e6af 15 */
yihui 5:b8c02645e6af 16 #ifndef MBED_ETHERNET_H
yihui 5:b8c02645e6af 17 #define MBED_ETHERNET_H
yihui 5:b8c02645e6af 18
yihui 5:b8c02645e6af 19 #include "platform.h"
yihui 5:b8c02645e6af 20
yihui 5:b8c02645e6af 21 #if DEVICE_ETHERNET
yihui 5:b8c02645e6af 22
yihui 5:b8c02645e6af 23 namespace mbed {
yihui 5:b8c02645e6af 24
yihui 5:b8c02645e6af 25 /** An ethernet interface, to use with the ethernet pins.
yihui 5:b8c02645e6af 26 *
yihui 5:b8c02645e6af 27 * Example:
yihui 5:b8c02645e6af 28 * @code
yihui 5:b8c02645e6af 29 * // Read destination and source from every ethernet packet
yihui 5:b8c02645e6af 30 *
yihui 5:b8c02645e6af 31 * #include "mbed.h"
yihui 5:b8c02645e6af 32 *
yihui 5:b8c02645e6af 33 * Ethernet eth;
yihui 5:b8c02645e6af 34 *
yihui 5:b8c02645e6af 35 * int main() {
yihui 5:b8c02645e6af 36 * char buf[0x600];
yihui 5:b8c02645e6af 37 *
yihui 5:b8c02645e6af 38 * while(1) {
yihui 5:b8c02645e6af 39 * int size = eth.receive();
yihui 5:b8c02645e6af 40 * if(size > 0) {
yihui 5:b8c02645e6af 41 * eth.read(buf, size);
yihui 5:b8c02645e6af 42 * printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\n",
yihui 5:b8c02645e6af 43 * buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
yihui 5:b8c02645e6af 44 * printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n",
yihui 5:b8c02645e6af 45 * buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
yihui 5:b8c02645e6af 46 * }
yihui 5:b8c02645e6af 47 *
yihui 5:b8c02645e6af 48 * wait(1);
yihui 5:b8c02645e6af 49 * }
yihui 5:b8c02645e6af 50 * }
yihui 5:b8c02645e6af 51 * @endcode
yihui 5:b8c02645e6af 52 */
yihui 5:b8c02645e6af 53 class Ethernet {
yihui 5:b8c02645e6af 54
yihui 5:b8c02645e6af 55 public:
yihui 5:b8c02645e6af 56
yihui 5:b8c02645e6af 57 /** Initialise the ethernet interface.
yihui 5:b8c02645e6af 58 */
yihui 5:b8c02645e6af 59 Ethernet();
yihui 5:b8c02645e6af 60
yihui 5:b8c02645e6af 61 /** Powers the hardware down.
yihui 5:b8c02645e6af 62 */
yihui 5:b8c02645e6af 63 virtual ~Ethernet();
yihui 5:b8c02645e6af 64
yihui 5:b8c02645e6af 65 enum Mode {
yihui 5:b8c02645e6af 66 AutoNegotiate,
yihui 5:b8c02645e6af 67 HalfDuplex10,
yihui 5:b8c02645e6af 68 FullDuplex10,
yihui 5:b8c02645e6af 69 HalfDuplex100,
yihui 5:b8c02645e6af 70 FullDuplex100
yihui 5:b8c02645e6af 71 };
yihui 5:b8c02645e6af 72
yihui 5:b8c02645e6af 73 /** Writes into an outgoing ethernet packet.
yihui 5:b8c02645e6af 74 *
yihui 5:b8c02645e6af 75 * It will append size bytes of data to the previously written bytes.
yihui 5:b8c02645e6af 76 *
yihui 5:b8c02645e6af 77 * @param data An array to write.
yihui 5:b8c02645e6af 78 * @param size The size of data.
yihui 5:b8c02645e6af 79 *
yihui 5:b8c02645e6af 80 * @returns
yihui 5:b8c02645e6af 81 * The number of written bytes.
yihui 5:b8c02645e6af 82 */
yihui 5:b8c02645e6af 83 int write(const char *data, int size);
yihui 5:b8c02645e6af 84
yihui 5:b8c02645e6af 85 /** Send an outgoing ethernet packet.
yihui 5:b8c02645e6af 86 *
yihui 5:b8c02645e6af 87 * After filling in the data in an ethernet packet it must be send.
yihui 5:b8c02645e6af 88 * Send will provide a new packet to write to.
yihui 5:b8c02645e6af 89 *
yihui 5:b8c02645e6af 90 * @returns
yihui 5:b8c02645e6af 91 * 0 if the sending was failed,
yihui 5:b8c02645e6af 92 * or the size of the packet successfully sent.
yihui 5:b8c02645e6af 93 */
yihui 5:b8c02645e6af 94 int send();
yihui 5:b8c02645e6af 95
yihui 5:b8c02645e6af 96 /** Recevies an arrived ethernet packet.
yihui 5:b8c02645e6af 97 *
yihui 5:b8c02645e6af 98 * Receiving an ethernet packet will drop the last received ethernet packet
yihui 5:b8c02645e6af 99 * and make a new ethernet packet ready to read.
yihui 5:b8c02645e6af 100 * If no ethernet packet is arrived it will return 0.
yihui 5:b8c02645e6af 101 *
yihui 5:b8c02645e6af 102 * @returns
yihui 5:b8c02645e6af 103 * 0 if no ethernet packet is arrived,
yihui 5:b8c02645e6af 104 * or the size of the arrived packet.
yihui 5:b8c02645e6af 105 */
yihui 5:b8c02645e6af 106 int receive();
yihui 5:b8c02645e6af 107
yihui 5:b8c02645e6af 108 /** Read from an recevied ethernet packet.
yihui 5:b8c02645e6af 109 *
yihui 5:b8c02645e6af 110 * After receive returnd a number bigger than 0it is
yihui 5:b8c02645e6af 111 * possible to read bytes from this packet.
yihui 5:b8c02645e6af 112 * Read will write up to size bytes into data.
yihui 5:b8c02645e6af 113 *
yihui 5:b8c02645e6af 114 * It is possible to use read multible times.
yihui 5:b8c02645e6af 115 * Each time read will start reading after the last read byte before.
yihui 5:b8c02645e6af 116 *
yihui 5:b8c02645e6af 117 * @returns
yihui 5:b8c02645e6af 118 * The number of byte read.
yihui 5:b8c02645e6af 119 */
yihui 5:b8c02645e6af 120 int read(char *data, int size);
yihui 5:b8c02645e6af 121
yihui 5:b8c02645e6af 122 /** Gives the ethernet address of the mbed.
yihui 5:b8c02645e6af 123 *
yihui 5:b8c02645e6af 124 * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in.
yihui 5:b8c02645e6af 125 */
yihui 5:b8c02645e6af 126 void address(char *mac);
yihui 5:b8c02645e6af 127
yihui 5:b8c02645e6af 128 /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up.
yihui 5:b8c02645e6af 129 *
yihui 5:b8c02645e6af 130 * @returns
yihui 5:b8c02645e6af 131 * 0 if no ethernet link is pressent,
yihui 5:b8c02645e6af 132 * 1 if an ethernet link is pressent.
yihui 5:b8c02645e6af 133 *
yihui 5:b8c02645e6af 134 * Example:
yihui 5:b8c02645e6af 135 * @code
yihui 5:b8c02645e6af 136 * // Using the Ethernet link function
yihui 5:b8c02645e6af 137 * #include "mbed.h"
yihui 5:b8c02645e6af 138 *
yihui 5:b8c02645e6af 139 * Ethernet eth;
yihui 5:b8c02645e6af 140 *
yihui 5:b8c02645e6af 141 * int main() {
yihui 5:b8c02645e6af 142 * wait(1); // Needed after startup.
yihui 5:b8c02645e6af 143 * if (eth.link()) {
yihui 5:b8c02645e6af 144 * printf("online\n");
yihui 5:b8c02645e6af 145 * } else {
yihui 5:b8c02645e6af 146 * printf("offline\n");
yihui 5:b8c02645e6af 147 * }
yihui 5:b8c02645e6af 148 * }
yihui 5:b8c02645e6af 149 * @endcode
yihui 5:b8c02645e6af 150 */
yihui 5:b8c02645e6af 151 int link();
yihui 5:b8c02645e6af 152
yihui 5:b8c02645e6af 153 /** Sets the speed and duplex parameters of an ethernet link
yihui 5:b8c02645e6af 154 *
yihui 5:b8c02645e6af 155 * - AutoNegotiate Auto negotiate speed and duplex
yihui 5:b8c02645e6af 156 * - HalfDuplex10 10 Mbit, half duplex
yihui 5:b8c02645e6af 157 * - FullDuplex10 10 Mbit, full duplex
yihui 5:b8c02645e6af 158 * - HalfDuplex100 100 Mbit, half duplex
yihui 5:b8c02645e6af 159 * - FullDuplex100 100 Mbit, full duplex
yihui 5:b8c02645e6af 160 *
yihui 5:b8c02645e6af 161 * @param mode the speed and duplex mode to set the link to:
yihui 5:b8c02645e6af 162 */
yihui 5:b8c02645e6af 163 void set_link(Mode mode);
yihui 5:b8c02645e6af 164 };
yihui 5:b8c02645e6af 165
yihui 5:b8c02645e6af 166 } // namespace mbed
yihui 5:b8c02645e6af 167
yihui 5:b8c02645e6af 168 #endif
yihui 5:b8c02645e6af 169
yihui 5:b8c02645e6af 170 #endif