National Instruments NI-Motion User Manual

Page 70

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Chapter 5

Straight-Line Moves

© National Instruments Corporation

5-15

NI-Motion User Manual

do

{

// Check the following error/axis off status

err = flex_read_axis_status_rtn(boardID, axis,

&axisStatus);

CheckError;

// Read the communication status register and

check the modal //errors

err = flex_read_csr_rtn(boardID, &csr);

CheckError;

// Check the modal errors

if

(csr & NIMC_MODAL_ERROR_MSG)

{

err = csr & NIMC_MODAL_ERROR_MSG;

CheckError;

}

// Get the current time and check if time is over

for the first //segment

currentTime = timeGetTime();

if

((currentTime - initialTime) >= moveTime1)

break;

Sleep (100); //Check every 100 ms

}while (!(axisStatus) && !(axisStatus &

NIMC_FOLLOWING_ERROR_BIT) && !(axisStatus &

NIMC_AXIS_OFF_BIT)); //Exit on following error/axis

off

//-------------------------------------------------

// Second segment

//-------------------------------------------------

// Set the velocity for the move (in counts/sec)

err = flex_load_velocity(boardID, axis, 6568, 0xFF);

CheckError;

// Start the move - to update the velocity

err = flex_start(boardID, axis, 0);

CheckError;

// Wait for the time for second segment

initialTime = timeGetTime();

do

{

// Check the following error/axis off status

err = flex_read_axis_status_rtn(boardID, axis,

&axisStatus);

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