Read_Mcbsp - Scanlab RTC6 PCIe Board Installation And Operation Manual

Real time control of scan systems and lasers rtc6 software package v1.16.0
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Ctrl Command read_mcbsp
Function
Returns the most recent input value that has been fully copied to an internal memory
location by the
mcbsp_value = read_mcbsp( No )
Call
No
Parameters
Result
Input value.
As a signed 32-bit value.
Comments
• For information on the
Chapter 4.6.6 "McBSP/ANALOG Socket Connector", page
• The interpretation as
– one signed or unsigned 32-bit data word
– two signed 16-bit data words
– two signed 15-bit data words
is the responsibility of the user:
– For Processing-on-the-fly applications (No = 0) see
"Processing-on-the-fly", page 242
Online Positioning by McBSP Signals", page
– For
""Local Online Positioning"", page
– For
""Global Online Positioning"", page
– For
with Additional McBSP Input", page 246
McBSP Interface with Additional McBSP Input", page
– For set_multi_mcbsp_in, see
• After load_program_file, the input values at the
location 0 (default) even if no Processing-on-the-fly correction is activated.
• The
mcbsp_init. That is, data provided is not transmitted, see
RTC6 boards
Doc. Rev. 1.0.21 en-US
10 RTC6 Commands
McBSP
interface.
Number of the internal memory location whose input value should be queried.
As an unsigned 32-bit value.
0
Memory location for Processing-on-the-fly applications and for
set_mcbsp_in
input with coding Bit #31 = 0.
1
Memory locations for
2
Wie 1.
3
Memory location for
For set_multi_mcbsp_in, the following applies: memory locations 0 through
3 are continuously written to as a ring buffer.
Only the 2 least significant bits are evaluated.
McBSP interface
"Local Online Positioning"
"Global Online Positioning"
set_mcbsp_in
input (No = 0...3) see
McBSP interface
ignores the first FrameSync signal after a
Online Positioning
and for
set_mcbsp_in
input with coding Bit #31 = 1.
and the related memory locations, see also
84.
Chapter 8.6
and
Chapter 9.3.4 "Synchronization and
300.
(No = 1...2) see
Chapter 8.3.1
228.
(No = 1...2) see
Chapter 8.3.2
231.
Section "Correction via McBSP Interface
and
Section "Correction via
248.
page
702.
McBSP interface
set_mcbsp_in
input.
are transferred to
load_program_file
or
page
86.
585

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