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api/SerialBase.h@213:cc557cb04877, 2014-05-26 (annotated)

Committer:
mbed_official
Date:
Mon May 26 18:30:07 2014 +0100
Revision:
213:cc557cb04877
Parent:
212:34d62c0b2af6
Child:
525:c320967f86b9
Synchronized with git revision 3cec47a2d5a7be8cf25757494272b60c1d8538d1



Full URL: https://github.com/mbedmicro/mbed/commit/3cec47a2d5a7be8cf25757494272b60c1d8538d1/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 36:ab3ee77451e7 1 /* mbed Microcontroller Library
mbed_official 36:ab3ee77451e7 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 36:ab3ee77451e7 3 *
mbed_official 36:ab3ee77451e7 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 36:ab3ee77451e7 5 * you may not use this file except in compliance with the License.
mbed_official 36:ab3ee77451e7 6 * You may obtain a copy of the License at
mbed_official 36:ab3ee77451e7 7 *
mbed_official 36:ab3ee77451e7 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 36:ab3ee77451e7 9 *
mbed_official 36:ab3ee77451e7 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 36:ab3ee77451e7 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 36:ab3ee77451e7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 36:ab3ee77451e7 13 * See the License for the specific language governing permissions and
mbed_official 36:ab3ee77451e7 14 * limitations under the License.
mbed_official 36:ab3ee77451e7 15 */
mbed_official 36:ab3ee77451e7 16 #ifndef MBED_SERIALBASE_H
mbed_official 36:ab3ee77451e7 17 #define MBED_SERIALBASE_H
mbed_official 36:ab3ee77451e7 18
mbed_official 36:ab3ee77451e7 19 #include "platform.h"
mbed_official 36:ab3ee77451e7 20
mbed_official 36:ab3ee77451e7 21 #if DEVICE_SERIAL
mbed_official 36:ab3ee77451e7 22
mbed_official 36:ab3ee77451e7 23 #include "Stream.h"
mbed_official 36:ab3ee77451e7 24 #include "FunctionPointer.h"
mbed_official 36:ab3ee77451e7 25 #include "serial_api.h"
mbed_official 36:ab3ee77451e7 26
mbed_official 36:ab3ee77451e7 27 namespace mbed {
mbed_official 36:ab3ee77451e7 28
mbed_official 36:ab3ee77451e7 29 /** A base class for serial port implementations
mbed_official 36:ab3ee77451e7 30 * Can't be instantiated directly (use Serial or RawSerial)
mbed_official 36:ab3ee77451e7 31 */
mbed_official 36:ab3ee77451e7 32 class SerialBase {
mbed_official 36:ab3ee77451e7 33
mbed_official 36:ab3ee77451e7 34 public:
mbed_official 36:ab3ee77451e7 35 /** Set the baud rate of the serial port
mbed_official 36:ab3ee77451e7 36 *
mbed_official 36:ab3ee77451e7 37 * @param baudrate The baudrate of the serial port (default = 9600).
mbed_official 36:ab3ee77451e7 38 */
mbed_official 36:ab3ee77451e7 39 void baud(int baudrate);
mbed_official 36:ab3ee77451e7 40
mbed_official 36:ab3ee77451e7 41 enum Parity {
mbed_official 36:ab3ee77451e7 42 None = 0,
mbed_official 36:ab3ee77451e7 43 Odd,
mbed_official 36:ab3ee77451e7 44 Even,
mbed_official 36:ab3ee77451e7 45 Forced1,
mbed_official 36:ab3ee77451e7 46 Forced0
mbed_official 36:ab3ee77451e7 47 };
mbed_official 36:ab3ee77451e7 48
mbed_official 36:ab3ee77451e7 49 enum IrqType {
mbed_official 36:ab3ee77451e7 50 RxIrq = 0,
mbed_official 36:ab3ee77451e7 51 TxIrq
mbed_official 36:ab3ee77451e7 52 };
mbed_official 36:ab3ee77451e7 53
mbed_official 64:7b352733b00a 54 enum Flow {
mbed_official 64:7b352733b00a 55 Disabled = 0,
mbed_official 64:7b352733b00a 56 RTS,
mbed_official 64:7b352733b00a 57 CTS,
mbed_official 64:7b352733b00a 58 RTSCTS
mbed_official 64:7b352733b00a 59 };
mbed_official 64:7b352733b00a 60
mbed_official 36:ab3ee77451e7 61 /** Set the transmission format used by the serial port
mbed_official 36:ab3ee77451e7 62 *
mbed_official 36:ab3ee77451e7 63 * @param bits The number of bits in a word (5-8; default = 8)
mbed_official 36:ab3ee77451e7 64 * @param parity The parity used (SerialBase::None, SerialBase::Odd, SerialBase::Even, SerialBase::Forced1, SerialBase::Forced0; default = SerialBase::None)
mbed_official 36:ab3ee77451e7 65 * @param stop The number of stop bits (1 or 2; default = 1)
mbed_official 36:ab3ee77451e7 66 */
mbed_official 36:ab3ee77451e7 67 void format(int bits=8, Parity parity=SerialBase::None, int stop_bits=1);
mbed_official 36:ab3ee77451e7 68
mbed_official 36:ab3ee77451e7 69 /** Determine if there is a character available to read
mbed_official 36:ab3ee77451e7 70 *
mbed_official 36:ab3ee77451e7 71 * @returns
mbed_official 36:ab3ee77451e7 72 * 1 if there is a character available to read,
mbed_official 36:ab3ee77451e7 73 * 0 otherwise
mbed_official 36:ab3ee77451e7 74 */
mbed_official 36:ab3ee77451e7 75 int readable();
mbed_official 36:ab3ee77451e7 76
mbed_official 36:ab3ee77451e7 77 /** Determine if there is space available to write a character
mbed_official 36:ab3ee77451e7 78 *
mbed_official 36:ab3ee77451e7 79 * @returns
mbed_official 36:ab3ee77451e7 80 * 1 if there is space to write a character,
mbed_official 36:ab3ee77451e7 81 * 0 otherwise
mbed_official 36:ab3ee77451e7 82 */
mbed_official 36:ab3ee77451e7 83 int writeable();
mbed_official 36:ab3ee77451e7 84
mbed_official 36:ab3ee77451e7 85 /** Attach a function to call whenever a serial interrupt is generated
mbed_official 36:ab3ee77451e7 86 *
mbed_official 36:ab3ee77451e7 87 * @param fptr A pointer to a void function, or 0 to set as none
mbed_official 36:ab3ee77451e7 88 * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
mbed_official 36:ab3ee77451e7 89 */
mbed_official 36:ab3ee77451e7 90 void attach(void (*fptr)(void), IrqType type=RxIrq);
mbed_official 36:ab3ee77451e7 91
mbed_official 36:ab3ee77451e7 92 /** Attach a member function to call whenever a serial interrupt is generated
mbed_official 36:ab3ee77451e7 93 *
mbed_official 36:ab3ee77451e7 94 * @param tptr pointer to the object to call the member function on
mbed_official 36:ab3ee77451e7 95 * @param mptr pointer to the member function to be called
mbed_official 36:ab3ee77451e7 96 * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
mbed_official 36:ab3ee77451e7 97 */
mbed_official 36:ab3ee77451e7 98 template<typename T>
mbed_official 36:ab3ee77451e7 99 void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) {
mbed_official 36:ab3ee77451e7 100 if((mptr != NULL) && (tptr != NULL)) {
mbed_official 36:ab3ee77451e7 101 _irq[type].attach(tptr, mptr);
mbed_official 36:ab3ee77451e7 102 serial_irq_set(&_serial, (SerialIrq)type, 1);
mbed_official 36:ab3ee77451e7 103 }
mbed_official 36:ab3ee77451e7 104 }
mbed_official 36:ab3ee77451e7 105
mbed_official 36:ab3ee77451e7 106 /** Generate a break condition on the serial line
mbed_official 36:ab3ee77451e7 107 */
mbed_official 36:ab3ee77451e7 108 void send_break();
mbed_official 212:34d62c0b2af6 109
mbed_official 64:7b352733b00a 110 #if DEVICE_SERIAL_FC
mbed_official 64:7b352733b00a 111 /** Set the flow control type on the serial port
mbed_official 64:7b352733b00a 112 *
mbed_official 212:34d62c0b2af6 113 * @param type the flow control type (Disabled, RTS, CTS, RTSCTS)
mbed_official 64:7b352733b00a 114 * @param flow1 the first flow control pin (RTS for RTS or RTSCTS, CTS for CTS)
mbed_official 64:7b352733b00a 115 * @param flow2 the second flow control pin (CTS for RTSCTS)
mbed_official 64:7b352733b00a 116 */
mbed_official 64:7b352733b00a 117 void set_flow_control(Flow type, PinName flow1=NC, PinName flow2=NC);
mbed_official 64:7b352733b00a 118 #endif
mbed_official 36:ab3ee77451e7 119
mbed_official 36:ab3ee77451e7 120 static void _irq_handler(uint32_t id, SerialIrq irq_type);
mbed_official 36:ab3ee77451e7 121
mbed_official 36:ab3ee77451e7 122 protected:
mbed_official 36:ab3ee77451e7 123 SerialBase(PinName tx, PinName rx);
mbed_official 213:cc557cb04877 124 virtual ~SerialBase() {
mbed_official 213:cc557cb04877 125 }
mbed_official 212:34d62c0b2af6 126
mbed_official 36:ab3ee77451e7 127 int _base_getc();
mbed_official 36:ab3ee77451e7 128 int _base_putc(int c);
mbed_official 36:ab3ee77451e7 129
mbed_official 36:ab3ee77451e7 130 serial_t _serial;
mbed_official 36:ab3ee77451e7 131 FunctionPointer _irq[2];
mbed_official 36:ab3ee77451e7 132 int _baud;
mbed_official 36:ab3ee77451e7 133 };
mbed_official 36:ab3ee77451e7 134
mbed_official 36:ab3ee77451e7 135 } // namespace mbed
mbed_official 36:ab3ee77451e7 136
mbed_official 36:ab3ee77451e7 137 #endif
mbed_official 36:ab3ee77451e7 138
mbed_official 36:ab3ee77451e7 139 #endif