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/*****************************************************************************
*
* hci.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.
*
*****************************************************************************/
//*****************************************************************************
//
//! \addtogroup hci_app
//! @{
//
//*****************************************************************************
#include <string.h>
#include <nuttx/cc3000/cc3000_common.h>
#include <nuttx/cc3000/hci.h>
#include <nuttx/cc3000/spi.h>
#include <nuttx/cc3000/evnt_handler.h>
#include <nuttx/cc3000/wlan.h>
#define SL_PATCH_PORTION_SIZE (1000)
//*****************************************************************************
//
//! hci_command_send
//!
//! @param usOpcode command operation code
//! @param pucBuff pointer to the command's arguments buffer
//! @param ucArgsLength length of the arguments
//!
//! @return none
//!
//! @brief Initiate an HCI command.
//
//*****************************************************************************
unsigned short
hci_command_send(unsigned short usOpcode, unsigned char *pucBuff,
unsigned char ucArgsLength)
{
unsigned char *stream;
stream = (pucBuff + SPI_HEADER_SIZE);
UINT8_TO_STREAM(stream, HCI_TYPE_CMND);
stream = UINT16_TO_STREAM(stream, usOpcode);
UINT8_TO_STREAM(stream, ucArgsLength);
//Update the opcode of the event we will be waiting for
SpiWrite(pucBuff, ucArgsLength + SIMPLE_LINK_HCI_CMND_HEADER_SIZE);
return(0);
}
//*****************************************************************************
//
//! hci_data_send
//!
//! @param usOpcode command operation code
//! @param ucArgs pointer to the command's arguments buffer
//! @param usArgsLength length of the arguments
//! @param ucTail pointer to the data buffer
//! @param usTailLength buffer length
//!
//! @return none
//!
//! @brief Initiate an HCI data write operation
//
//*****************************************************************************
long
hci_data_send(unsigned char ucOpcode,
unsigned char *ucArgs,
unsigned short usArgsLength,
unsigned short usDataLength,
const unsigned char *ucTail,
unsigned short usTailLength)
{
unsigned char *stream;
stream = ((ucArgs) + SPI_HEADER_SIZE);
UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
UINT8_TO_STREAM(stream, ucOpcode);
UINT8_TO_STREAM(stream, usArgsLength);
stream = UINT16_TO_STREAM(stream, usArgsLength + usDataLength + usTailLength);
// Send the packet over the SPI
SpiWrite(ucArgs, SIMPLE_LINK_HCI_DATA_HEADER_SIZE + usArgsLength + usDataLength + usTailLength);
return(ESUCCESS);
}
//*****************************************************************************
//
//! hci_data_command_send
//!
//! @param usOpcode command operation code
//! @param pucBuff pointer to the data buffer
//! @param ucArgsLength arguments length
//! @param ucDataLength data length
//!
//! @return none
//!
//! @brief Prepeare HCI header and initiate an HCI data write operation
//
//*****************************************************************************
void hci_data_command_send(unsigned short usOpcode, unsigned char *pucBuff,
unsigned char ucArgsLength,unsigned short ucDataLength)
{
unsigned char *stream = (pucBuff + SPI_HEADER_SIZE);
UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
UINT8_TO_STREAM(stream, usOpcode);
UINT8_TO_STREAM(stream, ucArgsLength);
stream = UINT16_TO_STREAM(stream, ucArgsLength + ucDataLength);
// Send the command over SPI on data channel
SpiWrite(pucBuff, ucArgsLength + ucDataLength + SIMPLE_LINK_HCI_DATA_CMND_HEADER_SIZE);
return;
}
//*****************************************************************************
//
//! hci_patch_send
//!
//! @param usOpcode command operation code
//! @param pucBuff pointer to the command's arguments buffer
//! @param patch pointer to patch content buffer
//! @param usDataLength data length
//!
//! @return none
//!
//! @brief Prepeare HCI header and initiate an HCI patch write operation
//
//*****************************************************************************
void
hci_patch_send(unsigned char ucOpcode, unsigned char *pucBuff, char *patch, unsigned short usDataLength)
{
unsigned char *data_ptr = (pucBuff + SPI_HEADER_SIZE);
unsigned short usTransLength;
unsigned char *stream = (pucBuff + SPI_HEADER_SIZE);
UINT8_TO_STREAM(stream, HCI_TYPE_PATCH);
UINT8_TO_STREAM(stream, ucOpcode);
stream = UINT16_TO_STREAM(stream, usDataLength + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
if (usDataLength <= SL_PATCH_PORTION_SIZE)
{
UINT16_TO_STREAM(stream, usDataLength);
stream = UINT16_TO_STREAM(stream, usDataLength);
memcpy((pucBuff + SPI_HEADER_SIZE) + HCI_PATCH_HEADER_SIZE, patch, usDataLength);
// Update the opcode of the event we will be waiting for
SpiWrite(pucBuff, usDataLength + HCI_PATCH_HEADER_SIZE);
}
else
{
usTransLength = (usDataLength/SL_PATCH_PORTION_SIZE);
UINT16_TO_STREAM(stream, usDataLength + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE + usTransLength*SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
stream = UINT16_TO_STREAM(stream, SL_PATCH_PORTION_SIZE);
memcpy(pucBuff + SPI_HEADER_SIZE + HCI_PATCH_HEADER_SIZE, patch, SL_PATCH_PORTION_SIZE);
usDataLength -= SL_PATCH_PORTION_SIZE;
patch += SL_PATCH_PORTION_SIZE;
// Update the opcode of the event we will be waiting for
SpiWrite(pucBuff, SL_PATCH_PORTION_SIZE + HCI_PATCH_HEADER_SIZE);
while (usDataLength)
{
if (usDataLength <= SL_PATCH_PORTION_SIZE)
{
usTransLength = usDataLength;
usDataLength = 0;
}
else
{
usTransLength = SL_PATCH_PORTION_SIZE;
usDataLength -= usTransLength;
}
*(unsigned short *)data_ptr = usTransLength;
memcpy(data_ptr + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE, patch, usTransLength);
patch += usTransLength;
// Update the opcode of the event we will be waiting for
SpiWrite((unsigned char *)data_ptr, usTransLength + sizeof(usTransLength));
}
}
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//
//*****************************************************************************
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