Bb-electronics PCRTC User Manual download pdf (Page 9)

Documentation Number PCRTC2095 Manual 7

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5105

Start_RTC_API

Purpose: Initializes API, must be the first PCRTC function called

in the program.

C: int Start_RTC_API(unsigned int address);

Pascal: FUNCTION Start_RTC_API(address: WORD): WORD;

BASIC: FUNCTION StartRTCAPI% (BYVAL address AS

INTEGER)

Remarks: Start_RTC_API takes the address at which the PCRTC

is installed at. The device driver must be installed.

Returns: 0 = device driver is not installed.

non zero = address of PCRTC.

Example: See below.

Battery_RTC

Purpose: Check battery status of PCRTC

C: int Battery_RTC(void);

Pascal: FUNCTION Battery_RTC: WORD;

BASIC: FUNCTION BatteryRTC%

Returns: 1 if battery is good

0 if battery is low

Example: See below.

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Bb-electronics PCRTC User Manual Page 9