dmascc_cfg - Online in the Cloud

PROGRAM:

NAME

dmascc_cfg - Configure dmascc devices

SYNOPSIS

dmascc <interface> [<options>]

DESCRIPTION

dmascc_cfg is used to configure dmascc devices such as PI2 and PackeTwin cards. The
--show option can be used by any user, all other options must be used by root.

OPTIONS

--speed frequency
Set frequency of baud rate generator to frequency. A value of 0 disables the
baud rate generator and the digital PLL. Use the --show option to check whether
the frequency you selected could be approximated with sufficient accuracy.

--nrzi [0|1]
0 selects NRZ mode, 1 selects NRZI mode.

--clocks integer
Set the clock mode. You may OR together three choices (other values are not
supported and may cause strange results).

TX clock pin:

0x00 input
0x05 output TX clock *
0x06 output baud rate generator *
0x07 output digital PLL *

TX clock source:

0x00 RX clock pin
0x08 TX clock pin #
0x10 baud rate generator
0x18 digital PLL +

RX clock source:

0x00 RX clock pin
0x20 TX clock pin
0x40 baud rate generator
0x60 digital PLL +

* Not allowed on PI2 Port A if J3 is installed.

# TX clock pin must be configured as input.

+ Speed must be equal to 32 times the baud rate.

--txdelay milliseconds
Set transmit delay to milliseconds. Maximum is 2500 ms.

--txtime seconds
Set maximum time the transmitter may be active to seconds.

--sqdelay milliseconds
Set the squelch delay to milliseconds. Maximum delay is 2500 ms.

--slottime milliseconds
Set the slot time to milliseconds. Maximum slottime is 2500 ms.

--waittime milliseconds
Set the minimum time between the transmitter turning off to when it turns on to
milliseconds. Maximum wait time is 2500 ms.

--persist f
Set the persistance parameter to f. Must be between 0 and 255 (inclusive).

--dma channel
Set the DMA channel to channel. Can be 1 or 3. Setting to 0 disables DMA.

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