LinuxCNC Documentation

SYNOPSIS

loadrt mesa_7i65

DESCRIPTION

The component takes parameters in the form of a comma-separated list of bspi (buffered SPI) instance names, for example:

loadrt mesa_7i65 bspi_chans=hm2_5i23.0.bspi.0, hm2_5i23.0.bspi.1

The BSPI instances are printed to the dmesg buffer during the Hostmot2 setup sequence, one for each bspi instance included in the bitfile loaded to each installed card during the Hostmot2 setup sequence. Type "dmesg" at the terminal prompt to view the output.

PINS

mesa-7i65.N.analogue.M.out real in (M=0..7)

Analogue output values. The value will be limited to a -1.0 to +1.0 range

mesa-7i65.N.analogue.M.in real out (M=0..7)

Analogue outputs read by the 7i65 (in Volts)

mesa-7i65.N.digital.M.in bool out (M=0..3)

Miscellaneous Digital Inputs

mesa-7i65.N.enable.M.out bool in (M=0..7)

Amplifier-enable control pins

mesa-7i65.N.watchdog.has-bit bool out

Indicates the status of the 7i65 Watchdog (which is separate from the FPGA card watchdog

PARAMETERS

mesa-7i65.N.scale-M real rw (M=0..7) (default: 10)

Analogue output scale factor. For example if the scale is 7 then an input of 1.0 will give 7V on the output terminals

mesa-7i65.N.is-bipolar-M bool rw (M=0..7) (default: 1)

Set this value to TRUE for a plus/minus "scale" output. Set to 0 for a 0-"scale" output

AUTHOR

Andy Pugh / Cliff Blackburn

LICENSE

GPL