incubator-nuttx/drivers/wireless/cc3000/cc3000_common.c

149 lines
5.0 KiB
C

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