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_SERIAL_H
jhon309 0:c52df770855b 17 #define MBED_SERIAL_H
jhon309 0:c52df770855b 18
jhon309 0:c52df770855b 19 #include "platform.h"
jhon309 0:c52df770855b 20
jhon309 0:c52df770855b 21 #if DEVICE_SERIAL
jhon309 0:c52df770855b 22
jhon309 0:c52df770855b 23 #include "Stream.h"
jhon309 0:c52df770855b 24 #include "SerialBase.h"
jhon309 0:c52df770855b 25 #include "serial_api.h"
jhon309 0:c52df770855b 26
jhon309 0:c52df770855b 27 namespace mbed {
jhon309 0:c52df770855b 28
jhon309 0:c52df770855b 29 /** A serial port (UART) for communication with other serial devices
jhon309 0:c52df770855b 30 *
jhon309 0:c52df770855b 31 * Can be used for Full Duplex communication, or Simplex by specifying
jhon309 0:c52df770855b 32 * one pin as NC (Not Connected)
jhon309 0:c52df770855b 33 *
jhon309 0:c52df770855b 34 * Example:
jhon309 0:c52df770855b 35 * @code
jhon309 0:c52df770855b 36 * // Print "Hello World" to the PC
jhon309 0:c52df770855b 37 *
jhon309 0:c52df770855b 38 * #include "mbed.h"
jhon309 0:c52df770855b 39 *
jhon309 0:c52df770855b 40 * Serial pc(USBTX, USBRX);
jhon309 0:c52df770855b 41 *
jhon309 0:c52df770855b 42 * int main() {
jhon309 0:c52df770855b 43 * pc.printf("Hello World\n");
jhon309 0:c52df770855b 44 * }
jhon309 0:c52df770855b 45 * @endcode
jhon309 0:c52df770855b 46 */
jhon309 0:c52df770855b 47 class Serial : public SerialBase, public Stream {
jhon309 0:c52df770855b 48
jhon309 0:c52df770855b 49 public:
jhon309 0:c52df770855b 50 #if DEVICE_SERIAL_ASYNCH
jhon309 0:c52df770855b 51 using SerialBase::read;
jhon309 0:c52df770855b 52 using SerialBase::write;
jhon309 0:c52df770855b 53 #endif
jhon309 0:c52df770855b 54
jhon309 0:c52df770855b 55 /** Create a Serial port, connected to the specified transmit and receive pins
jhon309 0:c52df770855b 56 *
jhon309 0:c52df770855b 57 * @param tx Transmit pin
jhon309 0:c52df770855b 58 * @param rx Receive pin
jhon309 0:c52df770855b 59 *
jhon309 0:c52df770855b 60 * @note
jhon309 0:c52df770855b 61 * Either tx or rx may be specified as NC if unused
jhon309 0:c52df770855b 62 */
jhon309 0:c52df770855b 63 Serial(PinName tx, PinName rx, const char *name=NULL);
jhon309 0:c52df770855b 64
jhon309 0:c52df770855b 65 protected:
jhon309 0:c52df770855b 66 virtual int _getc();
jhon309 0:c52df770855b 67 virtual int _putc(int c);
jhon309 0:c52df770855b 68 };
jhon309 0:c52df770855b 69
jhon309 0:c52df770855b 70 } // namespace mbed
jhon309 0:c52df770855b 71
jhon309 0:c52df770855b 72 #endif
jhon309 0:c52df770855b 73
jhon309 0:c52df770855b 74 #endif