Iftikhar Aziz / mbed-dev

4545

Dependents:   LSS_Rev_1

Fork of mbed-dev by Umar Naeem

drivers/RawSerial.h@166:33361e55dd8c, 2017-08-23 (annotated)

Committer:
iftaziz
Date:
Wed Aug 23 10:32:38 2017 +0000
Revision:
166:33361e55dd8c
Parent:
149:156823d33999 
r1

Who changed what in which revision?

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<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16 #ifndef MBED_RAW_SERIAL_H
<> 149:156823d33999 17 #define MBED_RAW_SERIAL_H
<> 149:156823d33999 18
<> 149:156823d33999 19 #include "platform/platform.h"
<> 149:156823d33999 20
<> 149:156823d33999 21 #if DEVICE_SERIAL
<> 149:156823d33999 22
<> 149:156823d33999 23 #include "drivers/SerialBase.h"
<> 149:156823d33999 24 #include "hal/serial_api.h"
<> 149:156823d33999 25
<> 149:156823d33999 26 namespace mbed {
<> 149:156823d33999 27 /** \addtogroup drivers */
<> 149:156823d33999 28 /** @{*/
<> 149:156823d33999 29
<> 149:156823d33999 30 /** A serial port (UART) for communication with other serial devices
<> 149:156823d33999 31 * This is a variation of the Serial class that doesn't use streams,
<> 149:156823d33999 32 * thus making it safe to use in interrupt handlers with the RTOS.
<> 149:156823d33999 33 *
<> 149:156823d33999 34 * Can be used for Full Duplex communication, or Simplex by specifying
<> 149:156823d33999 35 * one pin as NC (Not Connected)
<> 149:156823d33999 36 *
<> 149:156823d33999 37 * @Note Synchronization level: Not protected
<> 149:156823d33999 38 *
<> 149:156823d33999 39 * Example:
<> 149:156823d33999 40 * @code
<> 149:156823d33999 41 * // Send a char to the PC
<> 149:156823d33999 42 *
<> 149:156823d33999 43 * #include "mbed.h"
<> 149:156823d33999 44 *
<> 149:156823d33999 45 * RawSerial pc(USBTX, USBRX);
<> 149:156823d33999 46 *
<> 149:156823d33999 47 * int main() {
<> 149:156823d33999 48 * pc.putc('A');
<> 149:156823d33999 49 * }
<> 149:156823d33999 50 * @endcode
<> 149:156823d33999 51 */
<> 149:156823d33999 52 class RawSerial: public SerialBase {
<> 149:156823d33999 53
<> 149:156823d33999 54 public:
<> 149:156823d33999 55 /** Create a RawSerial port, connected to the specified transmit and receive pins, with the specified baud.
<> 149:156823d33999 56 *
<> 149:156823d33999 57 * @param tx Transmit pin
<> 149:156823d33999 58 * @param rx Receive pin
<> 149:156823d33999 59 * @param baud The baud rate of the serial port (optional, defaults to MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE)
<> 149:156823d33999 60 *
<> 149:156823d33999 61 * @note
<> 149:156823d33999 62 * Either tx or rx may be specified as NC if unused
<> 149:156823d33999 63 */
<> 149:156823d33999 64 RawSerial(PinName tx, PinName rx, int baud = MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE);
<> 149:156823d33999 65
<> 149:156823d33999 66 /** Write a char to the serial port
<> 149:156823d33999 67 *
<> 149:156823d33999 68 * @param c The char to write
<> 149:156823d33999 69 *
<> 149:156823d33999 70 * @returns The written char or -1 if an error occured
<> 149:156823d33999 71 */
<> 149:156823d33999 72 int putc(int c);
<> 149:156823d33999 73
<> 149:156823d33999 74 /** Read a char from the serial port
<> 149:156823d33999 75 *
<> 149:156823d33999 76 * @returns The char read from the serial port
<> 149:156823d33999 77 */
<> 149:156823d33999 78 int getc();
<> 149:156823d33999 79
<> 149:156823d33999 80 /** Write a string to the serial port
<> 149:156823d33999 81 *
<> 149:156823d33999 82 * @param str The string to write
<> 149:156823d33999 83 *
<> 149:156823d33999 84 * @returns 0 if the write succeeds, EOF for error
<> 149:156823d33999 85 */
<> 149:156823d33999 86 int puts(const char *str);
<> 149:156823d33999 87
<> 149:156823d33999 88 int printf(const char *format, ...);
<> 149:156823d33999 89
<> 149:156823d33999 90 protected:
<> 149:156823d33999 91
<> 149:156823d33999 92 /** Acquire exclusive access to this serial port
<> 149:156823d33999 93 */
<> 149:156823d33999 94 virtual void lock(void);
<> 149:156823d33999 95
<> 149:156823d33999 96 /** Release exclusive access to this serial port
<> 149:156823d33999 97 */
<> 149:156823d33999 98 virtual void unlock(void);
<> 149:156823d33999 99 };
<> 149:156823d33999 100
<> 149:156823d33999 101 } // namespace mbed
<> 149:156823d33999 102
<> 149:156823d33999 103 #endif
<> 149:156823d33999 104
<> 149:156823d33999 105 #endif
<> 149:156823d33999 106
<> 149:156823d33999 107 /** @}*/