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/*
* haptic-module-tizen
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __FILE_H__
#define __FILE_H__
#define GCC_PACK __attribute__((packed))
/* little-endian form */
#define mmioHeaderID(ch0,ch1,ch2,ch3) \
((unsigned int)(unsigned char)(ch0) | ((unsigned int)(unsigned char)(ch1) << 8) | \
((unsigned int)(unsigned char)(ch2) << 16) | ((unsigned int)(unsigned char)(ch3) << 24))
#define HEADER_ID mmioHeaderID('T','H','F','M') // 0x4D464854
#define FMT_ID mmioHeaderID('f','m','t',' ') // 0x20746D66
#define DATA_ID mmioHeaderID('d','a','t','a') // 0x61746164
typedef unsigned int ID; /* a four character code */
typedef struct _FormatChunk {
ID chunkID; /* chunk ID */
int chunkSize; /* chunk Size */
unsigned short wChannels; /* number of channels (Mono = 1, Stereo = 2, etc.) */
unsigned short wBlockAlign; /* block size of data (wChannels*1byte) */
unsigned int dwMagnitude; /* max magnitude */
unsigned int dwDuration; /* duration */
} GCC_PACK FormatChunk;
typedef struct _DataChunk {
ID chunkID;
int chunkSize;
unsigned char pData[];
} GCC_PACK DataChunk;
typedef struct _HapticFile {
ID chunkID; /* chunk ID */
int chunkSize; /* chunk Size */
FormatChunk fmt; /* Format chunk */
DataChunk data; /* Data chunk */
} GCC_PACK HapticFile;
typedef struct _HapticElement {
int duration;
int level;
} HapticElement;
int GetHapticLevelMax(int *max);
int InitializeBuffer(unsigned char *vibe_buffer, int max_bufsize);
int InsertElement(unsigned char *vibe_buffer, int max_bufsize, HapticElement *element);
int GetBufferSize(const unsigned char *vibe_buffer, int *size);
int GetBufferDuration(const unsigned char *vibe_buffer, int *duration);
int PlayOneshot(int handle, int duration, int level);
int PlayBuffer(int handle, const unsigned char *vibe_buffer, int iteration, int level);
int Stop(int handle);
int OpenDevice(int handle);
int CloseDevice(int handle);
int GetState(int handle, int *state);
#endif // __FIEL_H__
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