How to response PIN code automatically and use button to send data with Bluetopia SPPDemo

Hi Miguel,

According to the reply from Stonestreet One Support(bluetopia, how to response pin code automatically? http://e2e.ti.com/support/low_power_rf/f/660/t/211839.aspx),

 I have carried out the following changes to code under case atPINCodeRequest(SPPdemo.c):

if((TempParam) && (TempParam->NumberofParameters > 0) && (TempParam->Params[0].strParam) && (BTPS_StringLength(TempParam->Params[0].strParam) > 0) && (BTPS_StringLength(TempParam->Params[0].strParam) <= sizeof(PIN_Code_t)))

to

if(1)

ASSIGN_PIN_CODE(PINCode, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); //for PIN code of 1234 this would be (PINCode, 1,2, 3, 4, ....) and length below would be 4

macro will set up the bytes of PINCode 

GAP_Authentication_Information.Authentication_Data_Length =4;

will configure how many bytes are valid (e.g. if you wanted PIN to be 00000 this would be 5)

But it failed in pairing and the PIN code seems not to be accepted.

Regards

Xu

Xu,

Our partner SSO will look at it and come back to you.

Regards,

Miguel

Thanks for your reply anyway.

Xu Wei

Miguel,

I have finished the initialization of PIN code.

Then I will be really appreciate it if Mr. Stonestreet One.can tell me  how to send data with button on board.

Regards

Xu Wei

Hello Xu Wei,

Are you able to pair successfully using the console now? As Miguel mentioned using a butting to send the PIN code is up to the application and you will have to write some code that triggers the same response when you press a button that you want to use. I don't have sample code to use the button press but when a function is triggered you can use the same code that is used by PINCodeResponse.

Best Regards,

Nikhil 

I am able to pair successfully using the console now. What I have considered is sending Data with the button rather then PIN code. Let's forget about this for now.

One more question:

I am now trying to send data automatically with a while loop. Here is my code for Senddata function:

I have changed the DataStr[] from the original "~!@#$%^&*()12345678...." to  

                   static char  DataStr[]  = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+[];',./{}|:<>?"

{
int Ndx;
Word_t DataCount;
Boolean_t Done;

/* Make sure that all of the parameters required for this function */
/* appear to be at least semi-valid. */

/* Verify that there is a connection that is established. */

while(1)
{
/* Chcek to see if we are sending to another port. */
//if(!SendInfo.BytesToSend)
{
/* Get the count of the number of bytes to send. */
SendInfo.BytesToSend = 89;//(DWord_t)TempParam->Params[0].intParam;
SendInfo.BytesSent = 0;

Done = FALSE;
while((SendInfo.BytesToSend) && (!Done))
{
/* Set the Number of bytes to send in the first packet. */
if(SendInfo.BytesToSend > DataStrLen)
DataCount = DataStrLen;
else
DataCount = SendInfo.BytesToSend;

Ndx = SPP_Data_Write(BluetoothStackID, SerialPortID, DataCount, (unsigned char *)DataStr);
if(Ndx >= 0)
{
/* Adjust the counters. */
SendInfo.BytesToSend -= Ndx;
if(Ndx < DataCount)
{
SendInfo.BytesSent = Ndx;
Done = TRUE;
}
}
else
{
Display(("SEND failed with error %d\r\n", Ndx));
SendInfo.BytesToSend = 0;
}

}
}
else
//Display(("Send Currently in progress.\r\n"));
}


}

I added a while(1) before it "Get the count of the number of bytes to send.". I expected it would send the DataStr over and over again while the fact is: nothing shown on blueterm window.

Then I have changed "while(1)" to "for(int i=0; i<3;i++)". Now there is a string from the screen but seems something goes wrong.

What expected is "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+[];',./{}|:<>?1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+[];',./{}|:<>?1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+[];',./{}|:<>?"

while what on the screen is"1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZab123456789..."

It not complete as the first DataStr stops at 'b' then start from a new one. 

Any suggestions concerning this problem?

Hello,

If SPP_Data_Write returns 0 or a value less than what you meant to send then that signifies that all buffers are full and you need to wait for event etPort_Transmit_Buffer_Empty_Indication to send the data that was not sent earlier. 

A helpful related post that I could find is:  http://e2e.ti.com/support/low_power_rf/f/660/p/125308/466287.aspx#466287

Hope this helps,

Stonestreet One.