DocID024513 Rev 1

13/32

UM1632

Function description

void check_interface_failure(void)

This function:

•

Checks the presence of the DALI bus idle voltage (500 ms disconnection from the DALI

bus)

•

Calls error callback function if an error occurs

u8 get_timer_count(void)

This function:

•

Returns the current systick timer content

•

Is for general purpose use; for example, random number generation

u8 get_flag(void)

This function:

•

Returns the current DALI I/O driver state (receiving/transmitting)

3.2

DALI stack layer functions

The DALI stack layer implements all DALI commands processed on the logical level

according to the DALI specification.

3.2.1

dali.c

These main files contain the most commonly used functions called from the user

application. Functions include initialization of the entire DALI slave library, DALI slave library

event flag signaling, command execution calls and reporting of user hardware error.

Table 8. Void DALI_Init(LightControlFunction)

Function name

DALI_Init

Description

This function:

•

Initializes the entire DALI slave library (both I/O pin driver layer and

DALI stack layer. It is called from the user application as the main

initialization function.

•

Initializes all necessary modules of the DALI slave library

•

Starts execution of receiving commands from the DALI bus, timing

management, callback calls and setting of event flags.

Input Parameter

LightControlFunction

Output Parameter

None

Return

None