NAME¶

mesa_7i65 - Support for the Mesa 7i65 Octuple Servo Card

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 float 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 float out (M=0..7)

Analogue outputs read by the 7i65 (in Volts)

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

Miscellaneous Digital Inputs

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

Amplifier-enable control pins

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

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

PARAMETERS¶

mesa-7i65.N.scale-M float 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 bit 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