249 lines
8.4 KiB
C
249 lines
8.4 KiB
C
/*****************************************************************************
|
|
* 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.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
* Included Files
|
|
******************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <debug.h>
|
|
#include <string.h>
|
|
|
|
#include <nuttx/wireless/cc3000/cc3000_common.h>
|
|
#include <nuttx/wireless/cc3000/hci.h>
|
|
#include "cc3000drv.h"
|
|
#include <nuttx/wireless/cc3000/evnt_handler.h>
|
|
#include <nuttx/wireless/cc3000/wlan.h>
|
|
|
|
/******************************************************************************
|
|
* Pre-processor Definitions
|
|
******************************************************************************/
|
|
|
|
#define SL_PATCH_PORTION_SIZE (1000)
|
|
|
|
/******************************************************************************
|
|
* Public Functions
|
|
******************************************************************************/
|
|
/******************************************************************************
|
|
* Name: hci_command_send
|
|
*
|
|
* Description:
|
|
* Initiate an HCI command.
|
|
*
|
|
* Input Parameters:
|
|
* usOpcode command operation code
|
|
* pucBuff pointer to the command's arguments buffer
|
|
* ucArgsLength length of the arguments
|
|
*
|
|
* Returned Value:
|
|
* Zero
|
|
*
|
|
*****************************************************************************/
|
|
|
|
uint16_t hci_command_send(uint16_t usOpcode, uint8_t *pucBuff,
|
|
uint8_t ucArgsLength)
|
|
{
|
|
uint8_t *stream;
|
|
|
|
stream = (pucBuff + SPI_HEADER_SIZE);
|
|
|
|
nllvdbg("Send 0x%x\n",usOpcode);
|
|
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 */
|
|
|
|
cc3000_write(pucBuff, ucArgsLength + SIMPLE_LINK_HCI_CMND_HEADER_SIZE);
|
|
nllvdbg("Send of 0x%x Completed\n",usOpcode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: hci_data_send
|
|
*
|
|
* Description:
|
|
*
|
|
*
|
|
* Input Parameters:
|
|
* usOpcode command operation code
|
|
* ucArgs pointer to the command's arguments buffer
|
|
* usArgsLength length of the arguments
|
|
* ucTail pointer to the data buffer
|
|
* usTailLength buffer length
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
*****************************************************************************/
|
|
|
|
long hci_data_send(uint8_t ucOpcode, uint8_t *ucArgs, uint16_t usArgsLength,
|
|
uint16_t usDataLength, const uint8_t *ucTail,
|
|
uint16_t usTailLength)
|
|
{
|
|
uint8_t *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 */
|
|
|
|
cc3000_write(ucArgs,
|
|
SIMPLE_LINK_HCI_DATA_HEADER_SIZE + usArgsLength +
|
|
usDataLength + usTailLength);
|
|
|
|
return ESUCCESS;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: hci_data_command_send
|
|
*
|
|
* Description:
|
|
* Prepeare HCI header and initiate an HCI data write operation
|
|
*
|
|
* Input Parameters:
|
|
* usOpcode command operation code
|
|
* pucBuff pointer to the data buffer
|
|
* ucArgsLength arguments length
|
|
* ucDataLength data length
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void hci_data_command_send(uint16_t usOpcode, uint8_t *pucBuff,
|
|
uint8_t ucArgsLength,uint16_t ucDataLength)
|
|
{
|
|
uint8_t *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 */
|
|
|
|
cc3000_write(pucBuff,
|
|
ucArgsLength + ucDataLength +
|
|
SIMPLE_LINK_HCI_DATA_CMND_HEADER_SIZE);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: hci_patch_send
|
|
*
|
|
* Description:
|
|
* Prepeare HCI header and initiate an HCI patch write operation
|
|
*
|
|
* Input Parameters:
|
|
* usOpcode command operation code
|
|
* pucBuff pointer to the command's arguments buffer
|
|
* patch pointer to patch content buffer
|
|
* usDataLength data length
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void hci_patch_send(uint8_t ucOpcode, uint8_t *pucBuff, char *patch,
|
|
uint16_t usDataLength)
|
|
{
|
|
uint8_t *data_ptr = (pucBuff + SPI_HEADER_SIZE);
|
|
uint16_t usTransLength;
|
|
uint8_t *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 */
|
|
|
|
cc3000_write(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 */
|
|
|
|
cc3000_write(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;
|
|
}
|
|
|
|
*(uint16_t *)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 */
|
|
|
|
cc3000_write((uint8_t *)data_ptr, usTransLength + sizeof(usTransLength));
|
|
}
|
|
}
|
|
}
|