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  * The BluetoothSerial class
00016  */
00017 class BluetoothSerial : public Stream {
00018 public:
00019     BluetoothSerial(PinName tx, PinName rx);
00020     
00021     /**
00022      * Setup bluetooth module(serial port baud rate)
00023      */
00024     void setup();
00025     
00026     /**
00027      * Setup bluetooth module(serial port baud rate)
00028      * \param   baud    baud rate
00029      */
00030     void setup(int baud);
00031     
00032     /**
00033      * Set bluetooth module as a master
00034      * \param   name    device name
00035      * \param   autoc   1: auto-connection, 0 not
00036      */
00037     void master(const char *name, uint8_t autoc = 0);
00038 
00039     /**
00040      * Set bluetooth module as a slave
00041      * \param   name    device name
00042      * \param   autoc   1: auto-connection, 0 not
00043      * \param   oaut    1: permit paired device to connect, 0: not
00044      */
00045     void slave(const char *name, uint8_t autoc = 0, uint8_t oaut = 1);
00046     
00047     /**
00048      * Set pin for the bluetooth connection
00049      * \param   pin pin string
00050      */
00051     void pin(int pin = 0);
00052     
00053     /**
00054      * Set pin for the bluetooth connection
00055      * \param   pin pin string
00056      */
00057     void pin(const char *pin);
00058 
00059 
00060     /**
00061      * Inquire bluetooth devices and connect the specified device
00062      */
00063     int connect(const char *name);
00064 
00065     /**
00066      * Make the bluetooth module inquirable and available to connect, used in slave mode
00067      */
00068     int connect();
00069     
00070     int readable() {
00071         return _serial.readable();
00072     }
00073     
00074     int writeable() {
00075         return _serial.writeable();
00076     }
00077 
00078     
00079 protected:
00080     virtual int _getc();
00081     virtual int _putc(int c);
00082 
00083     void clear();
00084     int readline(uint8_t *buf, int len, uint32_t timeout = 0);
00085     
00086     Serial     _serial;
00087     uint8_t    _buf[64];  
00088 };
00089 
00090 #endif // __BLUETOOTH_SERIAL_H__