149 lines
5.0 KiB
C
149 lines
5.0 KiB
C
/*****************************************************************************
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* cc3000_common.c.c - CC3000 Host Driver Implementation.
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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/******************************************************************************
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* Included files
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*****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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/*****************************************************************************
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* Name:__error__
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*
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* Description:
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* Stub function for ASSERT macro
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*
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* Input Parameters:
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* pcFilename - file name, where error occurred
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* ulLine - line number, where error occurred
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*
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* Returned Value:
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* None
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*
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*****************************************************************************/
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/*****************************************************************************
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* Name: UINT32_TO_STREAM_f
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*
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* Description:
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* This function is used for copying 32 bit to stream while converting to
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* little endian format.
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*
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* Input Parameters:
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* p pointer to the new stream
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* u32 pointer to the 32 bit
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*
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* Returned Value:
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* Pointer to the new stream
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*
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*****************************************************************************/
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uint8_t *UINT32_TO_STREAM_f(uint8_t *p, unsigned long u32)
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{
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*(p)++ = (uint8_t)(u32);
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*(p)++ = (uint8_t)((u32) >> 8);
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*(p)++ = (uint8_t)((u32) >> 16);
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*(p)++ = (uint8_t)((u32) >> 24);
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return p;
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}
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/*****************************************************************************
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* Name: UINT16_TO_STREAM_f
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*
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* Description:
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* This function is used for copying 16 bit to stream while converting to
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* little endian format.
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*
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* Input Parameters:
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* p pointer to the new stream
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* u16 pointer to the 16 bit
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*
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* Returned Value:
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* Pointer to the new stream
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*
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*****************************************************************************/
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uint8_t *UINT16_TO_STREAM_f(uint8_t *p, uint16_t u16)
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{
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*(p)++ = (uint8_t)(u16);
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*(p)++ = (uint8_t)((u16) >> 8);
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return p;
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}
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/*****************************************************************************
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* Name: STREAM_TO_UINT16_f
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*
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* Description:
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* This function is used for copying received stream to 16 bit in little
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* endian format.
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*
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* Input Parameters:
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* p pointer to the stream
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* offset offset in the stream
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*
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* Returned Value:
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* Pointer to the new 16 bit
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*
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*****************************************************************************/
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uint16_t STREAM_TO_UINT16_f(char* p, uint16_t offset)
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{
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return (uint16_t)((uint16_t)((uint16_t)
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(*(p + offset + 1)) << 8) + (uint16_t)(*(p + offset)));
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}
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/*****************************************************************************
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* Name: STREAM_TO_UINT32_f
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*
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* Description:
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* This function is used for copying received stream to 32 bit in little
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* endian format.
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*
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* Input Parameters:
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* p pointer to the stream
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* offset offset in the stream
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*
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* Returned Value:
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* Pointer to the new 32 bit
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*
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*****************************************************************************/
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unsigned long STREAM_TO_UINT32_f(char* p, uint16_t offset)
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{
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return (unsigned long)((unsigned long)((unsigned long)
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(*(p + offset + 3)) << 24) + (unsigned long)((unsigned long)
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(*(p + offset + 2)) << 16) + (unsigned long)((unsigned long)
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(*(p + offset + 1)) << 8) + (unsigned long)(*(p + offset)));
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}
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