BluetoothSerial.h

00001 /**
00002  * The library is for Bluetooth Shield from Seeed Studio
00003  */
00004 
00005 #ifndef __BLUETOOTH_SERIAL_H__
00006 #define __BLUETOOTH_SERIAL_H__
00007 
00008 #include "mbed.h"
00009 #include "SoftSerial.h"
00010 
00011 #define BLUETOOTH_SERIAL_DEFAULT_BAUD       38400
00012 #define BLUETOOTH_SERIAL_TIMEOUT            10000
00013 #define BLUETOOTH_SERIAL_EOL                "\r\n"
00014 
00015 
00016 class BluetoothSerial : public Stream {
00017 public:
00018     BluetoothSerial(PinName tx, PinName rx);
00019     
00020     /**
00021      * Setup bluetooth module(serial port baud rate)
00022      */
00023     void setup();
00024 
00025     /**
00026      * Set bluetooth module as a master
00027      * \param   name    device name
00028      * \param   autoc   1: auto-connection, 0 not
00029      */
00030     void master(const char *name, uint8_t autoc = 0);
00031 
00032     /**
00033      * Set bluetooth module as a slave
00034      * \param   name    device name
00035      * \param   autoc   1: auto-connection, 0 not
00036      * \param   oaut    1: permit paired device to connect, 0: not
00037      */
00038     void slave(const char *name, uint8_t autoc = 0, uint8_t oaut = 1);
00039 
00040     /**
00041      * Inquire bluetooth devices and connect the specified device
00042      */
00043     int connect(const char *name);
00044 
00045     /**
00046      * Make the bluetooth module inquirable and available to connect, used in slave mode
00047      */
00048     int connect();
00049     
00050     int readable() {
00051         return _serial.readable();
00052     }
00053     
00054     int writeable() {
00055         return _serial.writeable();
00056     }
00057 
00058     
00059 protected:
00060     virtual int _getc();
00061     virtual int _putc(int c);
00062 
00063     void clear();
00064     int readline(uint8_t *buf, int len, uint32_t timeout = 0);
00065     
00066     SoftSerial _serial;
00067     uint8_t    _buf[64];  
00068 };
00069 
00070 #endif // __BLUETOOTH_SERIAL_H__