Instruction manual

AMPDIO DRIVERS

Page 138

be used, or use -1 to choose a value

automatically for boards with clock connection

registers:

-1 (choose automatically)

CLK_10MHZ = 1 (fixed 10 MHz clock)

CLK_1MHZ = 2 (fixed 1 MHz clock)

CLK_100KHZ = 3 (fixed 100 kHz clock)

CLK_10KHZ = 4 (fixed 10 kHz clock)

CLK_1KHZ = 5 (fixed 1 kHz clock)

trainGate short: gate input source for the train rate

generator (if the board has gate connection

registers). One of the following pre-defined

constants may be used:

GAT_VCC = 0 (gate on/high)

GAT_GND = 1 (gate off/low)

GAT_EXT = 2 (gate from external

input)

GAT_OUTN_2 = 3 (gate from inverted

output of a timer

channel offset by -2

from train channel)

trainFreq double: desired train frequency in Hz. The

actual frequency will be rounded to an integral

division of the train clock frequency.

Returns short: Handle to the periodic pulse train generator (>= 0). Use this handle

to call the TCfreePeriodicPulseTrain function when finished, in

order to free up the counter/timers for re-use.

or ERRHANDLE

ERRCHAN

ERRDATA

Prior Calls registerBoardEx