mbed library sources
Dependents: Freedman_v2 Nucleo_i2c_OLED_BME280_copy
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Diff: cpp/Serial.h
- Revision:
- 2:143cac498751
- Parent:
- 0:fd0d7bdfcdc2
diff -r 62685faffa05 -r 143cac498751 cpp/Serial.h --- a/cpp/Serial.h Thu Nov 29 15:41:14 2012 +0000 +++ b/cpp/Serial.h Mon Feb 18 11:44:18 2013 +0000 @@ -1,23 +1,17 @@ /* mbed Microcontroller Library - * Copyright (c) 2006-2012 ARM Limited + * Copyright (c) 2006-2013 ARM Limited * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: + * 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 * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. + * http://www.apache.org/licenses/LICENSE-2.0 * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. + * 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_SERIAL_H #define MBED_SERIAL_H @@ -34,7 +28,7 @@ /** A serial port (UART) for communication with other serial devices * - * Can be used for Full Duplex communication, or Simplex by specifying + * Can be used for Full Duplex communication, or Simplex by specifying * one pin as NC (Not Connected) * * Example: @@ -53,27 +47,34 @@ class Serial : public Stream { public: - /** Create a Serial port, connected to the specified transmit and receive pins * - * @param tx Transmit pin + * @param tx Transmit pin * @param rx Receive pin * * @note * Either tx or rx may be specified as NC if unused */ - Serial(PinName tx, PinName rx) { - serial_init(&_serial, tx, rx); - serial_irq_handler(&_serial, Serial::_irq_handler, (uint32_t)this); - } + Serial(PinName tx, PinName rx, const char *name=NULL); /** Set the baud rate of the serial port - * + * * @param baudrate The baudrate of the serial port (default = 9600). */ - void baud(int baudrate) { - serial_baud(&_serial, baudrate); - } + void baud(int baudrate); + + enum Parity { + None = 0, + Odd, + Even, + Forced1, + Forced0 + }; + + enum IrqType { + RxIrq = 0, + TxIrq + }; /** Set the transmission format used by the Serial port * @@ -81,9 +82,7 @@ * @param parity The parity used (Serial::None, Serial::Odd, Serial::Even, Serial::Forced1, Serial::Forced0; default = Serial::None) * @param stop The number of stop bits (1 or 2; default = 1) */ - void format(int bits = 8, SerialParity parity=ParityNone, int stop_bits=1) { - serial_format(&_serial, bits, parity, stop_bits); - } + void format(int bits = 8, Parity parity=Serial::None, int stop_bits=1); /** Determine if there is a character available to read * @@ -91,64 +90,44 @@ * 1 if there is a character available to read, * 0 otherwise */ - int readable() { - return serial_readable(&_serial); - } + int readable(); /** Determine if there is space available to write a character - * + * * @returns * 1 if there is space to write a character, * 0 otherwise */ - int writeable() { - return serial_writable(&_serial); - } + int writeable(); /** Attach a function to call whenever a serial interrupt is generated * * @param fptr A pointer to a void function, or 0 to set as none * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty) */ - void attach(void (*fptr)(void), SerialIrq type=RxIrq) { - if (fptr) { - _irq[type].attach(fptr); - serial_irq_set(&_serial, type, 1); - } else { - serial_irq_set(&_serial, type, 0); - } - } + void attach(void (*fptr)(void), IrqType type=RxIrq); /** Attach a member function to call whenever a serial interrupt is generated - * + * * @param tptr pointer to the object to call the member function on * @param mptr pointer to the member function to be called * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty) */ template<typename T> - void attach(T* tptr, void (T::*mptr)(void), SerialIrq type=RxIrq) { + void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) { if((mptr != NULL) && (tptr != NULL)) { _irq[type].attach(tptr, mptr); - serial_irq_set(&_serial, type, 1); + serial_irq_set(&_serial, (SerialIrq)type, 1); } } - - static void _irq_handler(uint32_t id, SerialIrq irq_type) { - Serial *handler = (Serial*)id; - handler->_irq[irq_type].call(); - } + static void _irq_handler(uint32_t id, SerialIrq irq_type); + protected: - virtual int _getc() { - return serial_getc(&_serial); - } - - virtual int _putc(int c) { - serial_putc(&_serial, c); - return c; - } - - serial_t _serial; + virtual int _getc(); + virtual int _putc(int c); + + serial_t _serial; FunctionPointer _irq[2]; };