Addi-Data ADDINUM PA 1500, Техническое описание, Страница: 71 / 80

PA 1500 Standard software
Task:
Selects the operating mode of the first counter/timer. The user enters its start
value.
You have to decide:
-
if the counter/timer must execute once or several times the counting
operation.
-
if the counter/timer is used as a counter or a timer
-
and if an interrupt must be generated when the counter/timer has run
down.
Return value:
0: No error
-1: The handle-parameter of the board is wrong
-2: The parameter for selecting the counter or the timer is wrong
(PA1500_COUNTER or PA1500_TIMER)
-3: Error with the interrupt selection
(PA1500_ENABLE or PA1500_DISABLE)
-4: The user interrupt routine is not installed
-5: Cycle parameter is wrong
(PA1500_CONTINUOUS or PA1500_SINGLE)
2) i_PA1500_InitTimerCounter2 (...)
Syntax:
<Return value> = i_PA1500_InitTimerCounter2
(BYTE b_BoardHandle,
BYTE b_CounterOrTimerSelect,
LONG_ l_ReloadValue,
BYTE b_ContinuousOrSingleCycleSelect,
BYTE b_HardwareOrSoftwareTriggerSelect,
BYTE b_HardwareOrSoftwareGateSelect,
BYTE b_InterruptHandling)
Parameters:
BYTE b_BoardHandle Handle of the PA 1500
BYTE b_CounterOrTimerSelect
Selects the mode of the 2
nd
counter/timer
- PA1500_TIMER: The 2nd
counter/timer is used as a timer
- PA1500_COUNTER: The 2
nd
counter/timer is used as a counter
LONG l_ReloadValue This parameter has 2 meanings.
If the counter/timer is used as a counter,
it loads the start value of the counter.
If the counter/timer is used as a timer, it
loads the divider factor for the output
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