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