H6105-D and H6103 basic input/output

Description

This programming example make use of events to monitor the switchs S1 and S2 and drive the corresponding lamps L1 and L2, refer to the H6105-D and H6103 basic input/output wiring example.

Source Code

This is the source code in PAWN language of the H6105-D and H6103 basic input/output example:

/***************************************************************
*
*		Basic Input Output - example
*
*       program.p
*
***************************************************************/

// include the library for H6105-D
//
#include <hydlib_cp>

// define inputs
//
#define SWITCH_S1 MAKE_DIN_BOARD_CP(0)
#define SWITCH_S2 MAKE_DIN_BOARD_IO(0,0)

// define outputs
//
#define LAMP_L1 MAKE_OUT_BOARD_IO(0,0)
#define LAMP_L2 MAKE_OUT_BOARD_IO(0,1)

// main function
//
main()
{
	// clear display
	//
	dClear();
	
	// select system font
	//
	dFont( system5x7 );

	// place cursor
	//
	dCursor( 0, 0 );
	
	// print on display
	//
	dPrintf( "Basic IO" );
	
	// set initial state of SWITCH_S1 and LAMP_L1
	//
	dCursor( 0, 10 );
	if( DinRead( SWITCH_S1 ) )
	{
		dPrintf( "SWITCH_S1 ON " );
		OutSet( LAMP_L1 );
	}
	else
	{
		dPrintf( "SWITCH_S1 OFF" );
		OutClear( LAMP_L1 );
	}
	
	// set initial state of SWITCH_S2 and LAMP_L2
	//
	dCursor( 0, 20 );
	if( DinRead( SWITCH_S2 ) )
	{
		dPrintf( "SWITCH_S2 ON " );
		OutSet( LAMP_L2 );
	}
	else
	{
		dPrintf( "SWITCH_S2 OFF" );
		OutClear( LAMP_L2 );
	}
	
	// declare an event container
	//
	new BASE_EVENT(ev);

	// enable system events
	//
	SysEvEnable();
	
	// main loop
	//
	for( ;; )
	{
		// get new event from queue
		//
		EventGet( ev );
		
		// process some events
		//
		switch( ev.opcode )
		{
			// <script stop> command from console
			//
			case SevEmergExit:
			{
				// exit main loop
				//
				break;
			}

			// digital input activate
			//
			case SevDinActive:
			{
				//	SWITCH_S1
				//
				if( ev.p0 == SWITCH_S1 )
				{
					dCursor( 0, 10 );
					dPrintf( "SWITCH_S1 ON " );
					OutSet( LAMP_L1 );
				}
				
				//	SWITCH_S2
				//
				else if( ev.p0 == SWITCH_S2 )
				{
					dCursor( 0, 20 );
					dPrintf( "SWITCH_S2 ON " );
					OutSet( LAMP_L2 );
				}
			}

			// digital input deactivate
			//
			case SevDinInactive:
			{
				//	SWITCH_S1
				//
				if( ev.p0 == SWITCH_S1 )
				{
					dCursor( 0, 10 );
					dPrintf( "SWITCH_S1 OFF" );
					OutClear( LAMP_L1 );
				}
				
				//	SWITCH_S2
				//
				else if( ev.p0 == SWITCH_S2 )
				{
					dCursor( 0, 20 );
					dPrintf( "SWITCH_S2 OFF" );
					OutClear( LAMP_L2 );
				}
			}
		}
	}

	// program end
}