ACS ACR89U-A1 User Manual download pdf (Page 13)

ACR89U-A1 – Application Programming Interface info@acs.com.hk

Version 1.01

www.acs.com.hk

Page 13 of 78

4.2. Buzzer API Functions

4.2.1. Data Structures

4.2.1.1. Buzzer_ScriptDataType

[Buzzer_Msg.h]

struct Buzzer_Script

{

UINT8 BuzzerTime: 7;

UINT8 BuzzerOn: 1;

};

typedef struct Buzzer_Script Buzzer_ScriptDataType;

Used by Buzzer_Msg_SendScript.

Example:

const Buzzer_ScriptDataType Buzzer_SampleScript1 [] =

{

{1, TRUE}, // buzzer on 100ms

{2, FALSE}, // buzzer off 200ms

{3, TRUE}, // buzzer on 300ms

...

{0, FALSE} // mandatory script end

};

Data Member Value Description

BuzzerTime

Bit field

0 to 127

The time of a buzzer on/off state:

This value represents a multiple of 100 ms.

BuzzerOn

Bit field

TRUE or FALSE

The on/off state of buzzer:

TRUR – buzzer on

FALSE – buzzer off

Table 3: Buzzer_ScriptDataTaype Data Structure

4.2.2. Functions

4.2.2.1. Buzzer_Msg_SendScript

This function sends buzzer script to buzzer driver.

[Buzzer_Msg.h]

BOOLEAN Buzzer_Msg_SendScript (

Buzzer_ScriptDataType const* const Script );

Parameters:

Script [in] Storage space of the script data. If this parameter is a local variable, it should be the

data type of “static const” for compiling safety. Using global const variable for this

parameter is more preferred.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 77 78

Comments to this Manuals

No comments

ACS ACR89U-A1 User Manual Page 13

Comments to this Manuals

Related products and manuals for Card readers ACS ACR89U-A1