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Diffstat (limited to 'ext/Ethernet.h')
| -rw-r--r-- | ext/Ethernet.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/ext/Ethernet.h b/ext/Ethernet.h new file mode 100644 index 0000000..75212cf --- /dev/null +++ b/ext/Ethernet.h @@ -0,0 +1,170 @@ +/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ETHERNET_H
+#define MBED_ETHERNET_H
+
+#include "platform.h"
+
+#if DEVICE_ETHERNET
+
+namespace mbed {
+
+/** An ethernet interface, to use with the ethernet pins.
+ *
+ * Example:
+ * @code
+ * // Read destination and source from every ethernet packet
+ *
+ * #include "mbed.h"
+ *
+ * Ethernet eth;
+ *
+ * int main() {
+ * char buf[0x600];
+ *
+ * while(1) {
+ * int size = eth.receive();
+ * if(size > 0) {
+ * eth.read(buf, size);
+ * printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\n",
+ * buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+ * printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n",
+ * buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
+ * }
+ *
+ * wait(1);
+ * }
+ * }
+ * @endcode
+ */
+class Ethernet {
+
+public:
+
+ /** Initialise the ethernet interface.
+ */
+ Ethernet();
+
+ /** Powers the hardware down.
+ */
+ virtual ~Ethernet();
+
+ enum Mode {
+ AutoNegotiate,
+ HalfDuplex10,
+ FullDuplex10,
+ HalfDuplex100,
+ FullDuplex100
+ };
+
+ /** Writes into an outgoing ethernet packet.
+ *
+ * It will append size bytes of data to the previously written bytes.
+ *
+ * @param data An array to write.
+ * @param size The size of data.
+ *
+ * @returns
+ * The number of written bytes.
+ */
+ int write(const char *data, int size);
+
+ /** Send an outgoing ethernet packet.
+ *
+ * After filling in the data in an ethernet packet it must be send.
+ * Send will provide a new packet to write to.
+ *
+ * @returns
+ * 0 if the sending was failed,
+ * or the size of the packet successfully sent.
+ */
+ int send();
+
+ /** Recevies an arrived ethernet packet.
+ *
+ * Receiving an ethernet packet will drop the last received ethernet packet
+ * and make a new ethernet packet ready to read.
+ * If no ethernet packet is arrived it will return 0.
+ *
+ * @returns
+ * 0 if no ethernet packet is arrived,
+ * or the size of the arrived packet.
+ */
+ int receive();
+
+ /** Read from an recevied ethernet packet.
+ *
+ * After receive returnd a number bigger than 0it is
+ * possible to read bytes from this packet.
+ * Read will write up to size bytes into data.
+ *
+ * It is possible to use read multible times.
+ * Each time read will start reading after the last read byte before.
+ *
+ * @returns
+ * The number of byte read.
+ */
+ int read(char *data, int size);
+
+ /** Gives the ethernet address of the mbed.
+ *
+ * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in.
+ */
+ void address(char *mac);
+
+ /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up.
+ *
+ * @returns
+ * 0 if no ethernet link is pressent,
+ * 1 if an ethernet link is pressent.
+ *
+ * Example:
+ * @code
+ * // Using the Ethernet link function
+ * #include "mbed.h"
+ *
+ * Ethernet eth;
+ *
+ * int main() {
+ * wait(1); // Needed after startup.
+ * if (eth.link()) {
+ * printf("online\n");
+ * } else {
+ * printf("offline\n");
+ * }
+ * }
+ * @endcode
+ */
+ int link();
+
+ /** Sets the speed and duplex parameters of an ethernet link
+ *
+ * - AutoNegotiate Auto negotiate speed and duplex
+ * - HalfDuplex10 10 Mbit, half duplex
+ * - FullDuplex10 10 Mbit, full duplex
+ * - HalfDuplex100 100 Mbit, half duplex
+ * - FullDuplex100 100 Mbit, full duplex
+ *
+ * @param mode the speed and duplex mode to set the link to:
+ */
+ void set_link(Mode mode);
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
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