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Rtcadds

Data Structures
struct	_RTCDCB
struct	_RTCICB
Typedefs
typedef _RTCDCB	RTCDCB
typedef _RTCICB	RTCICB
Functions
int	RtcInit (NUTDEVICE *dev)
u_char	rtcReadByte (u_char address)
void	rtcWriteByte (u_char address, u_char data)
Variables
NUTDEVICE	devRtcSpi

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Detailed Description

Module for managing Real Time Clock hardware. Contain functions to read and write command from/to RTC. This driver uses spi driver to access hardware.

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Typedef Documentation

typedef struct _RTCDCB RTCDCB

Defines device parameters, required for NUT device driver.

typedef struct _RTCICB RTCICB

Defines driver interface parameters, required for NUT device driver.

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Function Documentation

int RtcInit (  NUTDEVICE *    dev )

Init driver. Call it first. Parameters: dev  - pointer to driver control structure. Returns: 0 - on success -1 on failed.

u_char rtcReadByte (  u_char    address )

Read byte from rtc device. Parameters: address  - byte address in rtc.

void rtcWriteByte (  u_char    address, u_char    data )

Send byte to rtc device. Parameters: address  - byte address in rtc. data  - data to write to rtc.

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Variable Documentation

NUTDEVICE devRtcSpi

Driver control structure.

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