XMOS VocalFusion XVF3510, Руководство пользователя

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XM-014232-PC 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
PARAMETER
READ
/
WRITE
DESCRIPTION
3510-UA
DEFAULT
3510-INT
DEFAULT
FILTER_BYPASS
R/W
Filter bypass state.
arg1: 0 - filter enabled 1 - bypassed
1 1
FILTER_COEFF
R/W
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.
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
FILTER_COEFF_RAW
R/W
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
0 0 0 0 0 0 0 0
0 0
0 0 0 0 0 0 0 0
0 0
FILTER_INDEX
R/W
Set filter index. Selects which filter
block will be read from/written to
arg1: dest
0 0
HARDWARE_BUILD
R
Get the build number from the
hardware build section of the flash
data partition.
-1 -1
I2C
R/W
Read from an I2C device connected
to the xvf device
- -
I2C_READ_HEADER
R/W
Get the address register
address and count of next I2C read
0 0 0 -
I2C_WITH_REG
R/W
Read from the register of an I2C
device connected to the xvf device
- -
MONITOR_STATE_USING_
GPO_ENABLED
W
Enable monitoring of state on GPO.
This command is only run from the
flash. Run it only with -l option to
generate the json item to use in the
flash data-partition
- -
KWD_BOOT_STATUS
R
Gets boot status for keyword
detectors
0 0
KWD_INTERRUPT_PIN
R/W
GPI pin index to receive keyword
interrupt on
4 4
MAX_UBM_CYCLES
R
Get maximum no. of cycles taken by
the user buffer management function
- -