Sony IR

Infrared Remote Control. More...

Collaboration diagram for Sony IR:

Defines
#define	IRTIMER_START   0xF0
#define	IRTIMER_SCALE   0x01
Functions
void	SIG_OVERFLOW2 (void)
	Timer 2 overflow interrupt entry.
void	SIG_INTERRUPT4 (void)
	External interrupt 4 entry.
int	NutIrInitSony (void)
	Enable Sony infrared remote control.
Variables
long	nut_ircode
	Last valid infrared code received.
HANDLE	nut_irqueue
	Queue of threads waiting for infrared input.

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Detailed Description

Infrared Remote Control.

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Define Documentation

#define IRTIMER_START   0xF0

Referenced by NutIrInitSony(), and SIG_OVERFLOW2().

#define IRTIMER_SCALE   0x01

Referenced by NutIrInitSony().

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Function Documentation

void SIG_OVERFLOW2

(

void

)

Timer 2 overflow interrupt entry.

Timer 2 overflow handler.

References cbi, IRTIMER_START, and outb.

void SIG_INTERRUPT4

(

void

)

External interrupt 4 entry.

Infrared decoder signal edge handler.

References _BV, cbi, inb, IR_SIGNAL_BIT, IR_SIGNAL_PIN, nut_ircode, nut_irqueue, NutEventPostFromIrq, and sbi.

int NutIrInitSony

(

void

)

Enable Sony infrared remote control.

References cbi, EICR, IR_SIGNAL_BIT, IR_SIGNAL_DDR, IRTIMER_SCALE, IRTIMER_START, NutEnterCritical, NutExitCritical, outb, and sbi.

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Variable Documentation

long nut_ircode

Last valid infrared code received.

Referenced by NutIrGet(), and SIG_INTERRUPT4().

HANDLE nut_irqueue

Queue of threads waiting for infrared input.

Referenced by NutIrGet(), and SIG_INTERRUPT4().