e_compass_sensor_buff.h
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/*****************************************************************************
* 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) 2005
*
* 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,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* e_compass_sensor_buff.h
*
* Project:
* --------
* Maui_Software
*
* Description:
* ------------
* This Module is for e_compass sensor driver.
*
* Author:
* Peter Zhang
*
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* removed!
* removed!
* removed!
*
*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#ifndef E_COMPASS_SENSOR_BUFF_H
#define E_COMPASS_SENSOR_BUFF_H
#define ec_get_buf_roomleft(_left) \
{\
if ( e_compass_sensor_buff.e_compass_sensor_rindex <= e_compass_sensor_buff.e_compass_sensor_windex ) \
{\
_left = E_COMPASS_SENSOR_BUFFER_SIZE - e_compass_sensor_buff.e_compass_sensor_windex + e_compass_sensor_buff.e_compass_sensor_rindex - 1;\
}\
else\
{\
_left = e_compass_sensor_buff.e_compass_sensor_rindex - e_compass_sensor_buff.e_compass_sensor_windex - 1;\
}\
}
#define ec_get_buf_avail(_left) \
{\
if ( e_compass_sensor_buff.e_compass_sensor_windex >= e_compass_sensor_buff.e_compass_sensor_rindex ) \
{\
_left = e_compass_sensor_buff.e_compass_sensor_windex - e_compass_sensor_buff.e_compass_sensor_rindex;\
}\
else\
{\
_left = E_COMPASS_SENSOR_BUFFER_SIZE - e_compass_sensor_buff.e_compass_sensor_rindex + e_compass_sensor_buff.e_compass_sensor_windex;\
}\
}
#define e_compass_push_data_to_buffer(_data,_room) \
{\
e_compass_sensor_buff.e_compass_sensor_data[e_compass_sensor_buff.e_compass_sensor_windex]= _data;\
e_compass_sensor_buff.e_compass_sensor_windex++;\
e_compass_sensor_buff.e_compass_sensor_windex &= (E_COMPASS_SENSOR_BUFFER_SIZE - 1);\
if (_room == 1)\
e_compass_sensor_data.data_cb_func(e_compass_sensor_data.data_para, E_COMPASS_SENSOR_BUFF_FULL);\
else\
e_compass_sensor_data.data_cb_func(e_compass_sensor_data.data_para, E_COMPASS_SENSOR_BUFF_DATA_EXIST);\
}
#define e_compass_pop_data_from_buffer(_data) \
{\
(_data) = e_compass_sensor_buff.e_compass_sensor_data[e_compass_sensor_buff.e_compass_sensor_rindex];\
e_compass_sensor_buff.e_compass_sensor_rindex ++;\
e_compass_sensor_buff.e_compass_sensor_rindex &= (E_COMPASS_SENSOR_BUFFER_SIZE - 1);\
}
#define e_compass_flush_data_buffer() \
{\
e_compass_sensor_buff.e_compass_sensor_rindex = 0;\
e_compass_sensor_buff.e_compass_sensor_windex = 0;\
}
#endif