Microchip Technology dsPIC DSC DTMF, Руководство пользователя

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©
2008 Microchip Technology Inc. DS70332A-page 19
dsPIC
®
DSC DTMF DETECTION
LIBRARY USER’S GUIDE
Chapter 3. Application Programming Interface (API)
This chapter lists and describes the Application Programming Interface (API) that are
available in the stand-alone dsPIC DSC DTMF Detection Library. Topics covered
include:
• dsPIC DSC DTMF Generation Library API Functions
3.1 dsPIC DSC DTMF GENERATION LIBRARY API FUNCTIONS
The following functions are available in the DTMF Detection library:
• DTMFDetInit
• DTMFDetection
DTMFDetInit
Description
Initializes the parameters to detect a DTMF signal. The user application must call this
function before invoking the
DTMFDetection
function
.
Include
None.
Prototype
void DTMFDetInit(dtmfdet_sHandle *pDTMFDet, dtmfdet_sConfig
*pConfig)
;
Arguments
pDTMFDet
Pointer to the state memory for this instance of DTMF Detection.
pConfig
Pointer to a structure containing data for initializing the state
variables in
pDTMFDet
structure.
Return Value
None.
Remarks
None.