tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost3GModule/IUSBHostSerial.h

   1 /* IUSBHostSerial.h */
   2 /* Copyright (c) 2010-2012 mbed.org, MIT License
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   5 * and associated documentation files (the "Software"), to deal in the Software without
   6 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
   7 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
   8 * Software is furnished to do so, subject to the following conditions:
   9 *
  10 * The above copyright notice and this permission notice shall be included in all copies or
  11 * substantial portions of the Software.
  12 *
  13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  18 */
  19
  20 #ifndef IUSBHOSTSERIAL_H_
  21 #define IUSBHOSTSERIAL_H_
  22
  23 /**
  24  * Generic interface to abstract 3G dongles' impl
  25  */
  26
  27 #include "USBHostConf.h"
  28
  29 #ifdef USBHOST_3GMODULE
  30
  31 #include "IUSBHostSerialListener.h"
  32
  33 // This is needed by some versions of GCC
  34 #undef putc
  35 #undef getc
  36
  37 class IUSBHostSerial {
  38 public:
  39
  40     enum IrqType {
  41         RxIrq,
  42         TxIrq
  43     };
  44
  45     /*
  46     * Get a char from the dongle's serial interface
  47     */
  48     virtual int getc() = 0;
  49
  50     /*
  51     * Put a char to the dongle's serial interface
  52     */
  53     virtual int putc(int c) = 0;
  54
  55     /*
  56      *  Read a packet from the dongle's serial interface, to be called after multiple getc() calls
  57      */
  58     virtual int readPacket() = 0;
  59
  60     /*
  61      *  Write a packet to the dongle's serial interface, to be called after multiple putc() calls
  62      */
  63     virtual int writePacket() = 0;
  64
  65     /**
  66     * Check the number of bytes available.
  67     *
  68     * @returns the number of bytes available
  69     */
  70     virtual int readable() = 0;
  71
  72     /**
  73     * Check the free space in output.
  74     *
  75     * @returns the number of bytes available
  76     */
  77     virtual int writeable() = 0;
  78
  79     /**
  80      *  Attach a handler to call when a packet is received / when a packet has been transmitted.
  81      *
  82      *  @param pListener instance of the listener deriving from the IUSBHostSerialListener
  83      */
  84     virtual void attach(IUSBHostSerialListener* pListener) = 0;
  85
  86     /**
  87      * Enable or disable readable/writeable callbacks
  88      */
  89     virtual void setupIrq(bool en, IrqType irq = RxIrq) = 0;
  90
  91 };
  92
  93 #endif /* USBHOST_3GMODULE */
  94
  95 #endif /* IUSBHOSTSERIAL_H_ */