4 switch detection api, Switch detection api – FUJITSU FMB AN706 User Manual

Page 61

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AN706-00040-2v0-E

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7.2.4.4 Switch Detection API

Function

void SW_Init (void)

Overview

Switch detection processing initialization function

Invoked before entering the main loop (see

“7.2.8.1 Main Processing

Function

).

Parameter None

Return

value

None

Function

STATUS SW_GetStatus(uint8_t ButtonId, uint8_t *pStatus)

Overview

Switch status acquisition function

Parameter ButtonId Switch No.

0

Play/Stop switch

1

Song selection next switch

2

Song selection previous switch

pStatus

Pointer for place where switch status is stored

SW_NO_PUSH Not pressed

SW_PUSH

Pressed

Return

value

Processing results

SW_RET_OK

Normal completion

SW_RET_INVALID_PARAMETER Parameter error

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