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IXP400 Digital Signal Processing (DSP) Software Version 2.5
Resource-Specific Control Messages
30 API Reference Manual
6.3 Tone Generator Play Message
6.4 Tone Generator Play-FSK Message
Type XMSG_TG_PLAY
Direction Inbound
Description Requires Tone Generator to play a tone string. (Tone ID’s are listed in the constant data section.)
Format
typedef struct{
XMsgHdr_t head; /* message header */
UINT8 numTones; /* number of tones to play */
UINT8 toneId[XMAX_TONEBUFSIZE]; /* tone ID string */
} XMsgTGPlay_t;
Macro
#define XMSG_MAKE_TG_PLAY(pMsg, trans, inst, num)\
{\
XMSG_MAKE_HEAD(pMsg, trans, XMPR_TNGEN, inst, sizeof(XMsgTGPlay_t),\
XMSG_TG_PLAY, 0)\
((XMsgTGPlay_t *)(pMsg))->numTones = num;\
}
#define XMSG_FIELD_TG_PLAY(pMsg, pToneID) \
{\
pToneID= ((XMsgTGPlay_t *)(pMsg))->toneId;\
}
Type MSG_TG_PLAY_FSK
Direction Inbound
Description Require Tone Generator to play a FSK modulated data
Format
typedef struct{
XMsgHdr_t head; /* message header */
UINT8 numBytes; /* number of bytes to play */
INT8 data[XMAX_FSKDATASIZE]; /* data string */
} XMsgTGPlayFSK_t;
Macro
#define XMSG_MAKE_TG_PLAY_FSK(pMsg, trans, inst, num)\
{\
XMSG_MAKE_HEAD(pMsg, trans, XMPR_TNGEN, inst, sizeof(XMsgTGPlayFSK_t),\
XMSG_TG_PLAY_FSK, 0)\
((XMsgTGPlayFSK_t *)(pMsg))->numBytes = num;\
}
#define XMSG_FIELD_TG_PLAY_FSK(pMsg, pData) \
{\
pData= ((XMsgTGPlayFSK_t *)(pMsg))->data;\
}
Response • Tone Generator Play-Completed message (XMSG_TG_PLAY_CMPLT)