Driver or Example code for DAQ 6230 device

[CW_Ca]

Hello

Would you please provide some example/Driver code for DAQ 6230 device to do A/D conversion?

We have been successful in getting the D/A to work but no luck with A/D.

We have tried everything and always get 0x7FFF in AI_FIFO or sometimes the test for FIFO data avalable in while loop gets stuck because no data is avalable.

This is very urgent and we need this ASAP. Please help.

Also, please provide any detail Register programming documentation that you may have.

We have acptured the PCI BUS data and found there is a difference in the way some of the registers are being set between the Windows program the way it sets up the DAQ and the driver for other OSs.

Here is what we have found so far thru a Bus Analyzer below:

Register name                 Register offset                PC/Window write this value             Other IOS Drivers writes

-------------------                 -------------------                 -----------------------------------              -------------------------------

Analog Trigger                       0x8C                                          0x01                                         0x03

AI Command                          0x110                                         0x1540                                    0x1440       

AI_Mode_1                             0x118                                          0x0C                                 0x08, 0x09, 0x0B

AI_Mode_2                             0x11A                                          0xC100                             0x00, 0x01, 0x03

Output_Select                        0x178                                          0x00                                  0x00,0x0302,0x0342

Analog_Trigger                       0x17A                                          0x00                                  0x0020, 0x0000

Trigger_Select                        0x17e                                          0x00,0x0B1F                     0x0000,0x0060,0x3060

Thanks very much

Lee Khadivi

[Jesse_O]

Hello Lee,

The PCI/PXI M Series line of products is supported by the Measurement Hardware Driver Development Kit found here.  As Diego mentions in his post to you here,   the 6230 is a little different.   This URL provides a link to the resource download page, and a link to a discussion forum for the MHDDK.  In you post to Diego, you were looking for 6519 not 6230.  The download link in the DDK URL posted above has a download for the 651x product line.

However, most users are able to use the standard DAQmx driver found here.  When you install this driver you get support with examples for LabVIEW, CVI, C & .NET.   If you have any questions about using the DAQmx driver feel free to reply to this forum thread.  If you have any DDK questions the best place to get help would be in the DDK forum.

I hope this helps,

Jesse O.
Applications Engineering
National Instruments

[CW_Ca]

Thanks a lot everyone to everyone for providing the correct settings for Analog Input.

I changed the values and we got the correct AI output data in AI_FIFO.

Thanks again

Lee Khadivi

[CW_Ca]

Hello Jesse and thank you

I checked into the information you provided regarding the PCI 6519 and and NI-DAQmx-8.0.

Since I do not have Linux OS here I am not able to install the .ISO image therefore I can not see the 'C' source driver files for Linux.

I am only interested in the 'C' driver files and example files that are in Linux 8.0 .ISO image.

Would it be possible for you to just zip ONLY the 'C' source files for drivers and example code so I can just use them as a guide for development?

I can download and install the Windows XP image instead but then would I be able to see and view the 'C' source files only?

I need 'C' souce files and example code that I can use as a guide to do I/O on NI PCI 6519 board.

Can you just provide me with such a 'C' code?

Thanks very much Jesse and I am waiting for this ASAP.

Regards

Lee Khadivi

Curtiss Wright Embedded Controls

[Jesse_O]

Hello Lee,

If you download the latest DAQmx driver for windows it will include all the ansi c examples and a help file that explains how to use each function.  The examples will typically install to C:\Program Files\National Instruments\NI-DAQ\Examples\DAQmx ANSI C, and the help file can be found under Start >> Programs >> National Instruments >> NI-DAQmx >> NI-DAQmx C Reference Help

The DAQmx C API should pretty much be the same for windows and linux.  Sorry for the delay in responding, we have had some bad weather here in Austin.

Regards,

Jesse O.
Applications Engineering
National Instruments

[CW_Ca]

Hello Jesse

I have downloaded and installed the latest DAQmx windows software but this is not going to help us since we are using the DIO 6519 under VxWorks OS.

I also have downloaded the driver code (ni_Static_dio which is the type of driver that we need but this driver is for DIO 6509. It doesn't work for the board we have.

We got help from you in getting the A/D, D/A working now we need some help in getting the DIO 6519 working.

Thank so much

Lee Khadivi

Curtiss Wright

[Jesse_O]

Hello Lee,

You are correct that the DAQmx software and examples will not work under VxWorks.  To use the 6519 under VxWorks you will need to develop code as you have been doing for the 6230 using the MHDDK.  The MHDDK has examples for programming the 6519, and documentation on static DIO register level programming.

Hopefully that will he get you started.

Regards,

Jesse O.
Applications Engineering
National Instruments

[CW_Ca]

Hi Jesse

I have developed code and build a project for the DIO as you mentioned but I am not able to get any output from the port 2 which is a Output port. If you noticed, the code in HHDK is for 6509 DIO. 6509 DIO has 11 ports and 6519 has only 4 ports. The code initializes and writed to 11 data and select registers which is outside the 6519 memory area and who knows what happens when you write to areas of 6519 which is outside those 4 ports.

There must be some kind of a FLAG or some way to tell the code that it is running 6519 board and only initialize the 4 ports that it has. I commented out that section that initializes the 4 ports but the code crashes after that. This is a huge code and I am not sure what to change or where to look at this time. Can you talk to the Engineers who developed this code for HHDK and see what their thoughts are if you are using 6519 board? I am sure they would have good ideas at least to tell me where to look or what file I need to change or any thing that you can tell me would be very much helpful.

I will wait for your answer as I am not able to proceed unless I have some idea what code I need to change.

Thanks so much Jesse.

Lee Khadivi

Curtiss Wright Embedded Control

[Jesse_O]

Lee,

The MHDDK forums, here, are monitored by Engineers in the MHDDK group and by members of the community.  All register level programming (RLP) questions should be posted there.  Posts to this forum will be answered by them, or other community members familiar with RLP.  Perhaps they will be the best resource to support you.

Regards,

Jesse O.

[CW_Ca]

Hello

I am getting a 0x00 returned from ID register of the NI DAIO-6519?

What is going on here? I am doing everything right as far as I know.

Please look a this and see if it looks correct.

The similar functions for aquireboard  worked for DAQ board.

Thanks so much

Lee Khadivi

Curtiss Wright

I am using the digex1 example: Here is the code I am using for test and I am attaching the the file

osiUsercode.cpp that has the function aquireBoard()

The BAR addresses that I am getting from PCI looks like this, does it look correct?

BAR0 = 0xC1400000

BAR1 = 0xC1402000

example code I am using is below. First function is the test modified a little from digex1.cpp

the second function is aquireBoard.

void

test(iBus *bus)
{
tAddressSpace Bar1;
tstaticDIO *board;
int i;//Loop iteration variable
int dev_id ;

Bar1 = bus->createAddressSpace(kPCI_BAR1);
board = new tstaticDIO(Bar1);

dev_id = board->IDRegister.readRegister();
printf("The Device ID is 0x%x \n",dev_id);

taskDelay(200);

//Configure Digital lines of Port 0 as Output
//board->IOSelect2.writeDirection(board->IOSelect2.kDirectionOutput);

//Write 0x00 to 0xFF to the digital lines, can be checked by putting a break point.
printf("Writing to Port 2...\n");
for(i=0;i<=5;i++)
{
printf("Writing to PORT 2= %2x \n",i);
taskDelay(200);
board->IOPort2Data.writeRegister(0xFF);
}


delete board;
bus->destroyAddressSpace(Bar1);
}

and here is the code for aquireBoard (no attachment)

iBus

* acquireBoard(const u32 devicePCI_ID)
{
UINT32 vxBAR0, vxBAR1;
u32 devBAR0,BAR0sz,devBAR1,BAR1sz;
int busno, device, function;
void *mem0,*mem1;
iBus *bus;

//Find the PCI BAR memory ranges

if ( pciFindDevice(
NI_DAQ_VENDOR_ID,
NI_DAQ_DEVICE_ID,
0,
&busno,
&device,
&function) == OK )
{
pciConfigInLong(
busno,
device,
function,
PCI_CFG_BASE_ADDRESS_0,
&vxBAR0 );

pciConfigInLong(
busno,
device,
function,
PCI_CFG_BASE_ADDRESS_1,
&vxBAR1 );

devBAR0 = (u32)vxBAR0;
devBAR1 = (u32)vxBAR1;


printf( "Found Device = %d Bus = %d Bar0 = %08x Bar1 = %08x\n", device, busno, devBAR0, devBAR1 );

}
else
{
printf( "Could not locate NI_DAQ DEVICE\n" );
}


//Memory map the BARs to get access to the PCI card's memory
mem0 = (void *)devBAR0;
mem1 = (void *)devBAR1;

//create a new iBus which uses the memory mapped addresses
bus = new iBus(0, 0, mem0, mem1);


bus->_physBar[0] = (u32)devBAR0;
bus->_physBar[1] = (u32)devBAR1;
bus->_physBar[2] = (u32)NULL;
bus->_physBar[3] = (u32)NULL;
bus->_physBar[4] = (u32)NULL;
bus->_physBar[5] = (u32)NULL;
return bus;
}

void releaseBoard(iBus *&bus)
{
//unmap the memory and close whatever system resources

//were used to create the iBus

delete bus;
}