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Sensoray 2600 Programming Guide 61 Gateway Action Scheduling

Prototype: u32 S26_Sched2653_GetOutputs( XACT x, IOMPORT IomPort, u8 *states );

Returns: Error code as described in section 5.5. Zero is returned if the operation was successful.

Benchmark: 0.9 ms.

Example: // Get all programmed SSR driver states from the 2653 at MM number 0, IOM port 9.

u8 states[2];

void *x = S26_SchedOpen( 0, 1 );

S26_Sched2653_GetOutputs( x, 9, states );

S26_SchedExecute( x, 1000, 0 );

7.10.5 S26_Sched2653_GetPwmRatio()

Function: Schedules the fetching of the PWM ratio for one SSR channel on a model 2653 IOM.

Prototype: u32 S26_Sched2653_GetPwmRatio( XACT x, IOMPORT IomPort, u8 chan, u8 *OnTime, u8 *OffTime );

Returns: Error code as described in section 5.5. Zero is returned if the operation was successful.

Benchmark: 0.9 ms.

Example: // Fetch the PWM ratio for SSR channel 5 on the 2653 at MM number 0, IOM port 2.

u8 ontime;

u8 offtime;

void *x = S26_SchedOpen( 0, 1 );

S26_Sched2653_GetPwmRatio( x, 2, 5, &ontime, &offtime );

S26_SchedExecute( x, 1000, 0 );

7.10.6 S26_Sched2653_SetModes()

Function: Schedules the programming of the operating modes for all SSR channels on a model 2653 IOM.

Parameter Type Description

x void *

Transaction handle obtained from S26_SchedOpen().

IomPort u8

The IOM port number (on the MM) to which the target IOM is connected.

states u8 *

Pointer to a 2-byte application buffer that is to receive the programmed states of the

SSR output drivers. The first byte corresponds to channels 0 (lsb) to 7 (msb), and the

second byte to channels 8 (lsb) to 15 (msb). Any bit set to one indicates the associated

channel is programmed to the active state; zero indicates the inactive state.

Parameter Type Description

x void *

Transaction handle obtained from S26_SchedOpen().

IomPort u8

The IOM port number (on the MM) to which the target IOM is connected.

chan u8

The SSR channel number that is to be queried. Legal values range from 0 to 7.

OnTime u8 *

Pointer to a 1-byte application buffer that is to receive the programmed PWM on time

expressed in 2 msec increments.

OffTime u8 *

Pointer to a 1-byte application buffer that is to receive the programmed PWM off time

expressed in 2 msec increments.

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