hal_gruner_707L_latching_relay.h File Reference

#include "../HAL/hal.h"

#define	RELAY_0_0FF_PORT   P5OUT
#define	RELAY_0_0FF_PIN   BIT4
#define	RELAY_0_ON_PORT   P5OUT
#define	RELAY_0_ON_PIN   BIT5
#define	RELAY_1_0FF_PORT   P5OUT
#define	RELAY_1_0FF_PIN   BIT6
#define	RELAY_1_ON_PORT   P5OUT
#define	RELAY_1_ON_PIN   BIT7
#define	ERROR_INVALID_RELAY   -1
#define	ERROR_INVALID_ACTION   -2
#define	RELAY_ON   1
#define	RELAY_OFF   0
#define	RELAY_CHANNEL_1   1
#define	RELAY_CHANNEL_0   0
#define	RELAY_COIL_ACTIVATION_TIME_MS   20
signed char	setRelay (char channel, char action)

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Detailed Description

Rev

656

Author

dsmith

Date

2010-07-12 17:56:08 -0700 (Mon, 12 Jul 2010)

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Function Documentation

signed char setRelay	(	char	channel,
		char	action
	)

Set the specified relay on or off sends a 15mSec pulse to the appropriate relay coil disables interrupts during pulse Does NOT read relay status from EEPROM, does not store the new relay status in EEPROM Precondition: pins configured as digital outputs

Returns:

-1 if invalid channel, -2 if invalid action, 0 if success