CAN - SN65HVD234

Transceiver.

This driver provides access to the main features of the SN65HVD234 transceiver.

Control the RS and EN pin level for SN65HVD234.

Macros
#define	CAN_EN_HIGH   true
#define	CAN_EN_LOW   false
#define	CAN_RS_HIGH   true
#define	CAN_RS_LOW   false

Functions
void	sn65hvd234_disable (sn65hvd234_ctrl_t *p_component)
	Disable transceiver. More...
void	sn65hvd234_disable_low_power (sn65hvd234_ctrl_t *p_component)
	Resume to Normal mode by exiting from low power mode. More...
void	sn65hvd234_enable (sn65hvd234_ctrl_t *p_component)
	Enable transceiver. More...
void	sn65hvd234_enable_low_power (sn65hvd234_ctrl_t *p_component)
	Turn the component into low power mode, listening only. More...
void	sn65hvd234_set_en (sn65hvd234_ctrl_t *p_component, uint32_t pin_idx)
	Initialize EN pin for transceiver. More...
void	sn65hvd234_set_rs (sn65hvd234_ctrl_t *p_component, uint32_t pin_idx)
	Initialize RS pin for transceiver. More...

#define CAN_EN_HIGH   true

Referenced by sn65hvd234_enable().

#define CAN_EN_LOW   false

Referenced by sn65hvd234_disable().

#define CAN_RS_HIGH   true

Referenced by sn65hvd234_enable_low_power().

#define CAN_RS_LOW   false

Referenced by sn65hvd234_disable_low_power().

void sn65hvd234_disable

(

sn65hvd234_ctrl_t *

p_component

)

Disable transceiver.

Parameters

p_component

Pointer to SN65HVD234 control structure.

References CAN_EN_LOW, ioport_set_pin_level(), and sn65hvd234_ctrl_t::pio_en_idx.

void sn65hvd234_disable_low_power

(

sn65hvd234_ctrl_t *

p_component

)

Resume to Normal mode by exiting from low power mode.

Parameters

p_component

Pointer to SN65HVD234 control structure.

References CAN_RS_LOW, ioport_set_pin_level(), and sn65hvd234_ctrl_t::pio_rs_idx.

void sn65hvd234_enable

(

sn65hvd234_ctrl_t *

p_component

)

Enable transceiver.

Parameters

p_component

Pointer to SN65HVD234 control structure.

References CAN_EN_HIGH, ioport_set_pin_level(), and sn65hvd234_ctrl_t::pio_en_idx.

void sn65hvd234_enable_low_power

(

sn65hvd234_ctrl_t *

p_component

)

Turn the component into low power mode, listening only.

Parameters

p_component

Pointer to SN65HVD234 control structure.

References CAN_RS_HIGH, ioport_set_pin_level(), and sn65hvd234_ctrl_t::pio_rs_idx.

void sn65hvd234_set_en	(	sn65hvd234_ctrl_t *	p_component,
		uint32_t	pin_idx
	)

Initialize EN pin for transceiver.

Parameters

p_component	Pointer to SN65HVD234 control structure.
pin_idx	The pin index value for transceiver EN pin.

References sn65hvd234_ctrl_t::pio_en_idx.

void sn65hvd234_set_rs	(	sn65hvd234_ctrl_t *	p_component,
		uint32_t	pin_idx
	)

Initialize RS pin for transceiver.

Parameters

p_component	Pointer to SN65HVD234 control structure.
pin_idx	The pin index value for transceiver RS pin.

References sn65hvd234_ctrl_t::pio_rs_idx.