DHT11

Committer:
jhon309
Date:
Thu Aug 13 00:21:57 2015 +0000
Revision:
0:c52df770855b
DHT11

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jhon309 0:c52df770855b 1 /* mbed Microcontroller Library
jhon309 0:c52df770855b 2 * Copyright (c) 2006-2013 ARM Limited
jhon309 0:c52df770855b 3 *
jhon309 0:c52df770855b 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:c52df770855b 5 * you may not use this file except in compliance with the License.
jhon309 0:c52df770855b 6 * You may obtain a copy of the License at
jhon309 0:c52df770855b 7 *
jhon309 0:c52df770855b 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:c52df770855b 9 *
jhon309 0:c52df770855b 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:c52df770855b 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:c52df770855b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:c52df770855b 13 * See the License for the specific language governing permissions and
jhon309 0:c52df770855b 14 * limitations under the License.
jhon309 0:c52df770855b 15 */
jhon309 0:c52df770855b 16 #ifndef MBED_ETHERNET_API_H
jhon309 0:c52df770855b 17 #define MBED_ETHERNET_API_H
jhon309 0:c52df770855b 18
jhon309 0:c52df770855b 19 #include "device.h"
jhon309 0:c52df770855b 20
jhon309 0:c52df770855b 21 #if DEVICE_ETHERNET
jhon309 0:c52df770855b 22
jhon309 0:c52df770855b 23 #ifdef __cplusplus
jhon309 0:c52df770855b 24 extern "C" {
jhon309 0:c52df770855b 25 #endif
jhon309 0:c52df770855b 26
jhon309 0:c52df770855b 27 // Connection constants
jhon309 0:c52df770855b 28
jhon309 0:c52df770855b 29 int ethernet_init(void);
jhon309 0:c52df770855b 30 void ethernet_free(void);
jhon309 0:c52df770855b 31
jhon309 0:c52df770855b 32 // write size bytes from data to ethernet buffer
jhon309 0:c52df770855b 33 // return num bytes written
jhon309 0:c52df770855b 34 // or -1 if size is too big
jhon309 0:c52df770855b 35 int ethernet_write(const char *data, int size);
jhon309 0:c52df770855b 36
jhon309 0:c52df770855b 37 // send ethernet write buffer, returning the packet size sent
jhon309 0:c52df770855b 38 int ethernet_send(void);
jhon309 0:c52df770855b 39
jhon309 0:c52df770855b 40 // recieve from ethernet buffer, returning packet size, or 0 if no packet
jhon309 0:c52df770855b 41 int ethernet_receive(void);
jhon309 0:c52df770855b 42
jhon309 0:c52df770855b 43 // read size bytes in to data, return actual num bytes read (0..size)
jhon309 0:c52df770855b 44 // if data == NULL, throw the bytes away
jhon309 0:c52df770855b 45 int ethernet_read(char *data, int size);
jhon309 0:c52df770855b 46
jhon309 0:c52df770855b 47 // get the ethernet address
jhon309 0:c52df770855b 48 void ethernet_address(char *mac);
jhon309 0:c52df770855b 49
jhon309 0:c52df770855b 50 // see if the link is up
jhon309 0:c52df770855b 51 int ethernet_link(void);
jhon309 0:c52df770855b 52
jhon309 0:c52df770855b 53 // force link settings
jhon309 0:c52df770855b 54 void ethernet_set_link(int speed, int duplex);
jhon309 0:c52df770855b 55
jhon309 0:c52df770855b 56 #ifdef __cplusplus
jhon309 0:c52df770855b 57 }
jhon309 0:c52df770855b 58 #endif
jhon309 0:c52df770855b 59
jhon309 0:c52df770855b 60 #endif
jhon309 0:c52df770855b 61
jhon309 0:c52df770855b 62 #endif
jhon309 0:c52df770855b 63