A7 Engineering Bluetooth Add-On Kit User Manual v1.0: EmbeddedBlue 506 Revision A

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本资源是一份名为"Bluetooth Add-On Kit.pdf"的文档，它属于综合资料类别。该手册详细介绍了A7 Engineering, Inc. 的EmbeddedBlue™ 506蓝牙附加组件套件，这是一款针对嵌入式系统的高级解决方案。用户手册的Part Number是0000100-Revisio

The Basics

Page 10 ▪ EmbeddedBlue 506 User Manual

// Read data from the eb506 and send it to the diagnostics port

costate

{

nDataOnF = serFrdUsed();

if(nDataOnF > 0)

{

wfd nDataReadFromF = cof_serFread(szPortFData, nDataOnF, 50);

wfd cof_serAwrite(szPortFData, nDataReadFromF);

}

3. On the File menu, click Save As.

4. In the File name box, enter a file name to which to save the program just created.

For example, Passthrough.c.

5. Click Save.

Step 3: Download the Application to the RabbitCore Module

In this step we will download the application that we just created to the RabbitCore

board.

1. Select the Passthrough.c application in the Dynamic C Editor.

2. Connect the RabbitCore Module to the PC via the serial cable.

3. Apply power to the ZWorld Prototyping board.

4. On the Compile menu, click Compile.

The application will be downloaded to the RabbitCore module and stored in flash.

For this sample and all others, ensure the correct project options have been

configured for your setup. Choose “Project Options” from the Options menu. Select

the correct serial port as well as other serial options.

5. Switch the serial cable connection on the RabbitCore module from the programming

(PROG) header to the diagnostics (DIAG) header.

Note about debugging: You might see an error saying “Timeout while waiting for

response from target.” This is due to the RabbitCore module’s use of serial A for

The Basics

EmbeddedBlue 506 User Manual ▪ Page 13

2. Using HyperTerminal, get the address of the eb506 module by using the Get

command.

Example:

>get address

ACK

00:0C:84:00:05:29

Experiment with other commands simply by typing them in to the HyperTerminal

window. The HLP command is a great place to start.

Command Mode

The eb506 supports two main operating modes: command mode and data mode. Upon

power up, the eb506 enters command mode and is ready to accept serial commands. The

factory default communication parameters are 9600 Baud, 8 Data Bits, 1 Stop Bit, No Parity,

and No Flow Control. The eb506 supports commands to modify the baud rate and flow

control settings.

In this mode there are a number of commands that can be sent to change the baud rate,

locate other devices that are in range, check the firmware version, etc. All commands are

sent using visible ASCII characters (123 is 3 bytes “123”). Upon the successful transmission

of a command, the ACK string will be returned. If there is a problem in the syntax of the

transmission then a NAK string is returned. After either the ACK or NAK, a carriage-return

<CR> character is returned. When a prompt (<CR> followed by a ‘>’) is returned, it means

that the eb506 radio is in the idle state and is waiting for another command. White space is

used to separate arguments of the command and a carriage-return <CR> (ASCII 13) is used

to mark the end of the command.

Data Mode

Once the eb506 radio is connected to another Bluetooth device, the eb506 automatically

switches into data mode. All data transmitted while in this mode will be sent to the remote

device and, therefore, NO further commands can be sent until the eb506 radio is

disconnected or switched back to command mode by use of the mode control I/O line or the

Switch to Command Mode sequence.

The connection status line of the eb506 module can be monitored to determine if there is an

active connection. Additionally, whenever a connection is present, the Connection Status

LED on the eb506 module will be on.

The Basics

Page 14 ▪ EmbeddedBlue 506 User Manual

I/O Lines

The eb506 module features two 34 pin headers for connecting to the supported ZWorld

RabbitCore modules. A full device pin out is available in the Technical Specifications section

of this manual. There are several pins that are important when performing the exercises in

the Establishing a Connection and the Communications sections of this manual.

Pin 13 on connector CN2 of the eb506 module, which aligns with the pin designated

“PE7” on the RabbitCore module, is the On\Off pin. A RabbitCore module application

can drive this pin low to power the module down or high to power the module up.

Pin 27 on connector CN1 of the eb506 module, which aligns with the pin designated

“PD4” on the RabbitCore module, is the Connection Status pin. A RabbitCore module

application can interrogate this pin to determine the connection status of the eb506

radio.

Pin 28 on connector CN1 of the eb506 module, which aligns with the pin designated

“PD5” on the RabbitCore module, is the Mode Control pin. A RabbitCore module

application can drive this pin high to enter Data Mode or low to enter Command

Mode.

Resetting the eb506 to the Factory Default Settings

There are two different mechanisms to reset the eb506 module to the factory default settings.

Either by shorting the STATUS and MODE pins (PD4 and PD5) and then applying power to

the eb506 module, or by issuing the reset command to the eb506; see the command set

reference at the back of this manual for the syntax of the reset command.

Switching between Data Mode and Command Mode

When a Connection command is issued, the eb506 attempts to establish a connection to the

device with the address specified in the command. Once a connection is established, the

eb506 switches into data mode. At this point all data sent to the eb506 is transmitted to the

remote Bluetooth device over the wireless link. It is possible to switch from data mode to

command mode, issue commands, and then return to data mode, while maintaining a

connection. The eb506 allows you to switch between data mode and command mode by

issuing the Switch to Command Mode and Return to Data Mode commands or by driving the

MODE control I/O line (PD5) of the eb506 module.

The following Dynamic C application uses the Switch to Command Mode and Return to Data

Mode serial commands to switch between data mode and command mode. This application

is available in electronic form on the accompanying CD, in the Samples folder, in the file

CmdModeSoft.c.

auto char szPortFData[32];

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