Onewire

Onewire functions. More...

Functions
void	onewire_sendBit (littleWire *lwHandle, unsigned char bitValue)
void	onewire_writeByte (littleWire *lwHandle, unsigned char messageToSend)
unsigned char	onewire_readByte (littleWire *lwHandle)
unsigned char	onewire_readBit (littleWire *lwHandle)
unsigned char	onewire_resetPulse (littleWire *lwHandle)
int	onewire_firstAddress (littleWire *lwHandle)
int	onewire_nextAddress (littleWire *lwHandle)

Detailed Description

Onewire functions.

Function Documentation

int onewire_firstAddress

(

littleWire *

lwHandle)

Start searching for device address on the onewire bus.
Read the 8 byte address from ROM_NO array

Parameters

lwHandle

littleWire device pointer

Returns

Nonzero if any device found

Definition at line 526 of file littleWire.c.

int onewire_nextAddress

(

littleWire *

lwHandle)

Try to find the next adress on the onewire bus.
Read the 8 byte address from ROM_NO array

Parameters

lwHandle

littleWire device pointer

Returns

Nonzero if any new device found

Definition at line 407 of file littleWire.c.

unsigned char onewire_readBit

(

littleWire *

lwHandle)

Read a single bit over onewire bus

Parameters

lwHandle

littleWire device pointer

Returns

Read bit ( 1 or 0 )

Definition at line 344 of file littleWire.c.

unsigned char onewire_readByte

(

littleWire *

lwHandle)

Read a byte over onewire bus.

Parameters

lwHandle

littleWire device pointer

Returns

Read byte

Definition at line 336 of file littleWire.c.

unsigned char onewire_resetPulse

(

littleWire *

lwHandle)

Send a reset pulse over onewire bus

Parameters

lwHandle

littleWire device pointer

Returns

Nonzero if any device presents on the bus

Definition at line 351 of file littleWire.c.

void onewire_sendBit	(	littleWire *	lwHandle,
		unsigned char	bitValue
	)

Send a single bit over onewire bus.

Parameters

lwHandle	littleWire device pointer
bitValue	1 or 0

Returns

(none)

Definition at line 325 of file littleWire.c.

void onewire_writeByte	(	littleWire *	lwHandle,
		unsigned char	messageToSend
	)

Send a byte over onewire bus.

Parameters

lwHandle	littleWire device pointer
messageToSend	Message to send

Returns

(none)

Definition at line 330 of file littleWire.c.