| /***************************************************************************** |
| * Copyright Statement: |
| * -------------------- |
| * This software is protected by Copyright and the information contained |
| * herein is confidential. The software may not be copied and the information |
| * contained herein may not be used or disclosed except with the written |
| * permission of MediaTek Inc. (C) 2008 |
| * |
| * BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES |
| * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") |
| * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON |
| * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. |
| * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE |
| * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR |
| * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH |
| * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO |
| * NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S |
| * SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM. |
| * |
| * BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE |
| * LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, |
| * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, |
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| * |
| * THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE |
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| * THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC). |
| * |
| *****************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Filename: |
| * --------- |
| * dtmf_exp.h |
| * |
| * Project: |
| * -------- |
| * |
| * |
| * Description: |
| * ------------ |
| * The DTMF Tone Generator include file |
| * |
| * Author: |
| * ------- |
| * ------- |
| * |
| *============================================================================ |
| * HISTORY |
| * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! |
| *------------------------------------------------------------------------------ |
| * removed! |
| * removed! |
| * removed! |
| * removed! |
| * removed! |
| * removed! |
| * removed! |
| * |
| *------------------------------------------------------------------------------ |
| * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! |
| *============================================================================ |
| ****************************************************************************/ |
| |
| #ifndef _DTMF_EXP_H |
| #define _DTMF_EXP_H |
| |
| /* |
| ******************************************************************************** |
| * INCLUDE FILES |
| ******************************************************************************** |
| */ |
| |
| /* |
| ******************************************************************************** |
| * DEFINITION OF DATA TYPES |
| ******************************************************************************** |
| */ |
| |
| typedef enum { |
| DTMFKEY_0 = 0, |
| DTMFKEY_1, |
| DTMFKEY_2, |
| DTMFKEY_3, |
| DTMFKEY_4, |
| DTMFKEY_5, |
| DTMFKEY_6, |
| DTMFKEY_7, |
| DTMFKEY_8, |
| DTMFKEY_9, |
| DTMFKEY_STAR, |
| DTMFKEY_HASH, |
| DTMFKEY_A, |
| DTMFKEY_B, |
| DTMFKEY_C, |
| DTMFKEY_D, |
| DTMFKEY_Ext0, |
| DTMFKEY_Ext1, |
| DTMFKEY_Ext2, |
| DTMFKEY_Ext3, |
| DTMFKEY_Ext4, |
| DTMFKEY_Ext5, |
| DTMFKEY_Ext6, |
| DTMFKEY_Ext7 |
| } DTMF_KEY; |
| |
| typedef enum { |
| DTMF_8K = 0, |
| DTMF_11K, |
| DTMF_12K, |
| DTMF_16K, |
| DTMF_22K, |
| DTMF_24K, |
| DTMF_32K, |
| DTMF_44K, |
| DTMF_48K |
| } DTMF_SR; |
| |
| typedef enum{ |
| DTMF_MONO = 0, |
| DTMF_STEREO |
| }DTMF_CHANNEL; |
| |
| typedef enum { |
| DTMF_SUCCESS = 0, |
| DTMF_FAIL, |
| DTMF_DONE |
| } DTMF_STATUS; |
| |
| typedef enum{ |
| DTMF_CONTINUOUS = 0, |
| DTMF_FIXPERIOD |
| }DTMF_MODE; |
| |
| /***************************************************************************** |
| * STRUCTURE |
| * DTMF_HANDLE |
| * |
| * DESCRIPTION |
| * DTMF Generator handler |
| * |
| * |
| ******************************************************************************** |
| * DECLARATION OF PROTOTYPES |
| ******************************************************************************** |
| */ |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_GetBufferSize |
| * |
| * DESCRIPTION |
| * This function gets the buffers size for DTMF Generator. |
| * |
| * PARAMETERS |
| * InterBufSize Internal buffer size |
| * PcmBufSize Output PCM buffer size |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_GetBufferSize( unsigned int *InterBufSize, |
| unsigned int *PcmBufSize, |
| DTMF_SR samplerate, |
| DTMF_CHANNEL channel |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_Init |
| * |
| * DESCRIPTION |
| * This function initializes DTMF Generator. |
| * |
| * PARAMETERS |
| * InterBuf Internal buffer |
| * channel Output channels, DTMF_MONO --> mono, DTMF_STEREO --> stereo |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| void* DTMF_Init( void *InterBuf, |
| DTMF_MODE mode, |
| DTMF_SR samplerate, |
| DTMF_CHANNEL channel |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_Gen |
| * |
| * DESCRIPTION |
| * This function generates PCM data of DTMF tones. |
| * |
| * PARAMETERS |
| * PcmBuf Output PCM buffer |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_Gen( void *hdl, |
| void *PcmBuf |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_Tone |
| * |
| * DESCRIPTION |
| * This function is used to turn on/off DTMF tones |
| * |
| * PARAMETERS |
| * key Specify a key |
| * dtmfswitch 1 --> press the key, 0 --> release the key |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_Tone( void *hdl, |
| DTMF_KEY key, |
| int dtmfswitch |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_SetDuration |
| * |
| * DESCRIPTION |
| * This function specifies the DTMF duration of each tone on FIXDURATION mode. |
| * |
| * PARAMETERS |
| * duration To specify the frame counts |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_SetDuration( void *hdl, |
| unsigned int duration |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_GetKey |
| * |
| * DESCRIPTION |
| * This function is used to get the frequency of specified key. |
| * |
| * PARAMETERS |
| * key Specify a key |
| * freq1 Frequency of the first tone |
| * freq2 Frequency of the second tone |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_GetKey( void *hdl, |
| DTMF_KEY key, |
| int *freq1, |
| int *freq2 |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_SetKey |
| * |
| * DESCRIPTION |
| * This function is used to define the frequency of DTMF tone. |
| * |
| * PARAMETERS |
| * key Specify a key |
| * freq1 Frequency of the first tone |
| * freq2 Frequency of the second tone |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_SetKey( void *hdl, |
| DTMF_KEY key, |
| int freq1, |
| int freq2 |
| ); |
| |
| /***************************************************************************** |
| * FUNCTION |
| * DTMF_SetGain |
| * |
| * DESCRIPTION |
| * This function is used to set the digital gain of each DTMF tone. |
| * |
| * PARAMETERS |
| * gain Digital gain, ranges from 0~0x3FFF |
| * |
| * RETURNS |
| * DTMF_Status |
| ***************************************************************************** |
| */ |
| DTMF_STATUS DTMF_SetGain( void *hdl, |
| int gain |
| ); |
| |
| #endif |