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Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/driver/drv/src/bf.c b/mcu/driver/drv/src/bf.c
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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:
+ * ---------
+ * bf.c
+ *
+ * Project:
+ * --------
+ * Maui_Software
+ *
+ * Description:
+ * ------------
+ * This Module defines the ring-buffer API
+ *
+ * Author:
+ * -------
+ * -------
+ *
+ *============================================================================
+ * HISTORY
+ * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
+ *------------------------------------------------------------------------------
+ * removed!
+ * removed!
+ * removed!
+ *
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ * removed!
+ *------------------------------------------------------------------------------
+ * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
+ *============================================================================
+ ****************************************************************************/
+#include "drv_comm.h"
+#include "bmd.h"
+
+
+/*
+* FUNCTION
+* Buff_init
+*
+* DESCRIPTION
+* This function is to let a memory area become a ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+* Buffaddr: the start addr of memory area
+* uTotalSize: the size of the memory area
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void Buff_init(BUFFER_INFO *Buf,kal_uint8 *Buffaddr, kal_uint16 uTotalSize)
+{
+ Buf->Read = 0;
+ Buf->Write = 0;
+ Buf->Length = uTotalSize;
+ Buf->CharBuffer = Buffaddr;
+}
+
+/*
+* FUNCTION
+* Buff_Push
+*
+* DESCRIPTION
+* This function is to put a data to ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+* *pushData: the data will be put into ring-buffer
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void Buff_Push(BUFFER_INFO *Buf,kal_uint8 *pushData)
+{
+ *BuffWrite(Buf) = *pushData;
+ BWrite(Buf)++;
+ if (BWrite(Buf) >= BLength(Buf))
+ {
+ BWrite(Buf) -= BLength(Buf);
+ }
+}
+
+/*
+* FUNCTION
+* Buff_Pop
+*
+* DESCRIPTION
+* This function is to pop a data from ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+* *popData: the data will be pop from ring-buffer
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void Buff_Pop(BUFFER_INFO *Buf,kal_uint8 *popData)
+{
+ *popData= *BuffRead(Buf);
+ BRead(Buf)++;
+ if (BRead(Buf) >= BLength(Buf))
+ {
+ BRead(Buf) -= BLength(Buf);
+ }
+
+}
+
+void Buff_look(BUFFER_INFO *Buf,kal_uint8 *popData,kal_uint8 num)
+{
+ kal_uint8 index;
+ kal_uint16 tmp;
+
+ tmp = BRead(Buf);
+ for(index=0;index<num;index++)
+ {
+ *popData= *(Buf->CharBuffer+tmp);
+
+ tmp++;
+ if (tmp >= BLength(Buf))
+ {
+ tmp -= BLength(Buf);
+ }
+ }
+}
+/*
+* FUNCTION
+* Buff_IsEmpty
+*
+* DESCRIPTION
+* This function is check whether ring-buffer is empty
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+kal_uint8 Buff_IsEmpty(BUFFER_INFO *Buf)
+{
+ kal_uint8 status;
+ if ( BRead(Buf) == BWrite(Buf) )
+ {
+ status = Buff_isEmpty;
+ }
+ else
+ {
+ status = Buff_notEmpty;
+ }
+ return status;
+}
+
+/*
+* FUNCTION
+* Buff_IsFull
+*
+* DESCRIPTION
+* This function is check whether ring-buffer is full
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+kal_uint8 Buff_IsFull (BUFFER_INFO *Buf)
+{
+ kal_uint8 status;
+ kal_uint16 tmp = BRead(Buf);
+ if (tmp == 0)
+ tmp = BLength(Buf);
+
+ if ( (tmp-BWrite(Buf)) == 1)
+ {
+ status = Buff_isFull;
+ }
+ else
+ {
+ status = Buff_notFull;
+ }
+ return status;
+}
+
+/*
+* FUNCTION
+* Buff_GetRoomLeft
+*
+* DESCRIPTION
+* This function is obtain the size of the residual space
+* in ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+*
+* RETURNS
+* the size of the residual space
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+kal_uint16 Buff_GetRoomLeft (BUFFER_INFO *Buf)
+{
+ kal_uint16 RoomLeft = 0;
+ if ( BRead(Buf) <= BWrite(Buf) )
+ {
+ RoomLeft = BLength(Buf) - BWrite(Buf) + BRead(Buf) - 1;
+ }
+ else
+ {
+ RoomLeft = BRead(Buf) - BWrite(Buf) - 1;
+ }
+
+ return RoomLeft;
+}
+
+/*
+* FUNCTION
+* Buff_GetBytesAvail
+*
+* DESCRIPTION
+* This function is obtain the size of the used space
+* in ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+*
+* RETURNS
+* the size of the used space
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+kal_uint16 Buff_GetBytesAvail (BUFFER_INFO *Buf)
+{
+ kal_uint16 BytesAvail = 0;
+ if (BWrite(Buf) >= BRead(Buf))
+ BytesAvail = BWrite(Buf) - BRead(Buf);
+ else
+ BytesAvail = BLength(Buf) - BRead(Buf) + BWrite(Buf);
+
+ return BytesAvail;
+}
+
+/*
+* FUNCTION
+* Buff_GetLength
+*
+* DESCRIPTION
+* This function is to obtain the total size of the ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+*
+* RETURNS
+* the total size of the ring-buffer
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+kal_uint16 Buff_GetLength(BUFFER_INFO *Buf)
+{
+ return Buf->Length;
+}
+
+/*
+* FUNCTION
+* Buff_Flush
+*
+* DESCRIPTION
+* This function is to reset the ring-buffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void Buff_Flush (BUFFER_INFO *Buf)
+{
+ Buf->Write = Buf->Read = 0;
+}
+
+/*
+* FUNCTION
+* Get32FromBuff
+*
+* DESCRIPTION
+* This function is to obtain a 32bit data from ringbuffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+* *DATA: the data will be obtain from ringbuffer
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void Get32FromBuff(BUFFER_INFO *Buf,kal_uint32 *DATA)
+{
+ kal_uint8 tmp,index;
+ kal_uint32 tmp32;
+ *DATA =0;
+ for (index =0;index < 4;index++)
+ {
+ Buff_Pop(Buf,&tmp);
+ tmp32 = (kal_uint32)tmp;
+ //(*DATA) |= (tmp32 << (24-8*index));
+ (*DATA) |= (tmp32 << (8*index));
+ }
+}
+
+/*
+* FUNCTION
+* Put32toBuff
+*
+* DESCRIPTION
+* This function is to put a 32bit data to ringbuffer
+*
+* CALLS
+*
+* PARAMETERS
+* *Buf: struct of BUFFER_INFO
+* *DATA: the data will be put into ringbuffer
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void Put32toBuff(BUFFER_INFO *Buf,kal_uint32 *DATA)
+{
+ kal_uint8 tmp,index;
+ kal_uint32 tmp32;
+ for (index =0;index < 4;index++)
+ {
+ //tmp32 = ((*DATA) >> (24-8*index));
+ tmp32 = ((*DATA) >> (8*index));
+ tmp = (kal_uint8)tmp32;
+ Buff_Push(Buf,&tmp);
+ }
+}
+
+/*
+* FUNCTION
+* MemCPY
+*
+* DESCRIPTION
+* This function is to copy memory block
+*
+* CALLS
+*
+* PARAMETERS
+* dst: destination address.
+* src: source address.
+* len: copy length
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void MemCPY(kal_uint8 *dst,kal_uint8 *src,kal_uint32 len)
+{
+ kal_uint32 index;
+ for (index = 0; index < len; index++)
+ *dst++ = *src++;
+}
+
+/*
+* FUNCTION
+* MemSET
+*
+* DESCRIPTION
+* This function is to set a value to a memory blcok
+*
+* CALLS
+*
+* PARAMETERS
+* dst: destination address.
+* len: copy length
+* data: the value
+*
+* RETURNS
+* None
+*
+* GLOBALS AFFECTED
+* external_global
+*/
+void MemSET(kal_uint8 *dst,kal_uint8 data,kal_uint32 len)
+{
+ kal_uint32 index;
+ for (index = 0; index < len; index++)
+ *dst++ = data;
+}
+