XMOS VocalFusion XVF3510 User Manual page 68

ADVANCED PARAMETERS
The following parameters are exposed to allow configuration and measurement of all the stages in the
pipeline. These values are for advanced customisation and tuning of the device operation. In most
applications they should be left at their default values.
Table A-2 Advanced parameter summary
READ
PARAMETER
WRITE
R/W
FILTER_BYPASS
R/W
FILTER_COEFF
R/W
FILTER_COEFF_RAW
R/W
FILTER_INDEX
HARDWARE_BUILD
R/W
I2C
R/W
I2C_READ_HEADER
R/W
I2C_WITH_REG
MONITOR_STATE_USING_
GPO_ENABLED
KWD_BOOT_STATUS
R/W
KWD_INTERRUPT_PIN
MAX_UBM_CYCLES
XM-014232-PC
/ DESCRIPTION
Filter bypass state.
arg1: 0 - filter enabled 1 - bypassed
Set biquad coeffs for a selected filter
using floating point.
arg1..10: 5x2 float coeffs in forward
order (a1, a2, b0, b1, b2) where a0
always is 1.0.
Set raw biquad coeffs for a selected
filters.
arg1..10: 2 sets of coeffs in forward
order (b0, b1, b2, =-E1, -a2) signed
Q28 format
Set filter index. Selects which filter
block will be read from/written to
arg1: dest
Get the build number from the
R hardware build section of the flash
data partition.
Read from an I2C device connected
to the xvf device
Get the address register
address and count of next I2C read
Read from the register of an I2C
device connected to the xvf device
Enable monitoring of state on GPO.
This command is only run from the
W
flash. Run it only with -l option to
generate the json item to use in the
flash data-partition
Gets boot status for keyword
R
detectors
GPI pin index to receive keyword
interrupt on
Get maximum no. of cycles taken by
R
the user buffer management function
3510-UA 3510-INT
DEFAULT DEFAULT
1
0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0
0
-1
-
0 0 0
-
-
0
4
-
1
0 0
0
-1
-
-
-
-
0
4
-
68