237 lines
8.1 KiB
C
237 lines
8.1 KiB
C
/*****************************************************************************
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* hci.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 <string.h>
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#include <nuttx/wireless/cc3000/cc3000_common.h>
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#include <nuttx/wireless/cc3000/hci.h>
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#include "spi.h"
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#include <nuttx/wireless/cc3000/evnt_handler.h>
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#include <nuttx/wireless/cc3000/wlan.h>
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/******************************************************************************
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* Pre-processor Definitions
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******************************************************************************/
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#define SL_PATCH_PORTION_SIZE (1000)
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/******************************************************************************
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* Public Functions
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******************************************************************************/
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/******************************************************************************
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* Name: hci_command_send
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*
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* Description:
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* Initiate an HCI command.
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*
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* Input Parameters:
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* usOpcode command operation code
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* pucBuff pointer to the command's arguments buffer
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* ucArgsLength length of the arguments
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*
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* Returned Value:
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* Zero
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*
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*****************************************************************************/
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uint16_t hci_command_send(uint16_t usOpcode, uint8_t *pucBuff, uint8_t ucArgsLength)
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{
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uint8_t *stream;
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stream = (pucBuff + SPI_HEADER_SIZE);
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UINT8_TO_STREAM(stream, HCI_TYPE_CMND);
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stream = UINT16_TO_STREAM(stream, usOpcode);
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UINT8_TO_STREAM(stream, ucArgsLength);
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/* Update the opcode of the event we will be waiting for */
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SpiWrite(pucBuff, ucArgsLength + SIMPLE_LINK_HCI_CMND_HEADER_SIZE);
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return 0;
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}
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/******************************************************************************
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* Name: hci_data_send
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*
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* Description:
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*
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*
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* Input Parameters:
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* usOpcode command operation code
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* ucArgs pointer to the command's arguments buffer
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* usArgsLength length of the arguments
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* ucTail pointer to the data buffer
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* usTailLength buffer length
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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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long hci_data_send(uint8_t ucOpcode, uint8_t *ucArgs, uint16_t usArgsLength,
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uint16_t usDataLength, const uint8_t *ucTail,
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uint16_t usTailLength)
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{
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uint8_t *stream;
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stream = ((ucArgs) + SPI_HEADER_SIZE);
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UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
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UINT8_TO_STREAM(stream, ucOpcode);
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UINT8_TO_STREAM(stream, usArgsLength);
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stream = UINT16_TO_STREAM(stream, usArgsLength + usDataLength + usTailLength);
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/* Send the packet over the SPI */
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SpiWrite(ucArgs, SIMPLE_LINK_HCI_DATA_HEADER_SIZE + usArgsLength + usDataLength + usTailLength);
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return ESUCCESS;
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}
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/******************************************************************************
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* Name: hci_data_command_send
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*
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* Description:
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* Prepeare HCI header and initiate an HCI data write operation
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*
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* Input Parameters:
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* usOpcode command operation code
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* pucBuff pointer to the data buffer
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* ucArgsLength arguments length
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* ucDataLength data length
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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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void hci_data_command_send(uint16_t usOpcode, uint8_t *pucBuff,
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uint8_t ucArgsLength,uint16_t ucDataLength)
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{
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uint8_t *stream = (pucBuff + SPI_HEADER_SIZE);
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UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
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UINT8_TO_STREAM(stream, usOpcode);
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UINT8_TO_STREAM(stream, ucArgsLength);
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stream = UINT16_TO_STREAM(stream, ucArgsLength + ucDataLength);
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/* Send the command over SPI on data channel */
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SpiWrite(pucBuff,
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ucArgsLength + ucDataLength + SIMPLE_LINK_HCI_DATA_CMND_HEADER_SIZE);
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}
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/******************************************************************************
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* Name: hci_patch_send
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*
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* Description:
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* Prepeare HCI header and initiate an HCI patch write operation
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*
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* Input Parameters:
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* usOpcode command operation code
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* pucBuff pointer to the command's arguments buffer
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* patch pointer to patch content buffer
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* usDataLength data length
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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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void hci_patch_send(uint8_t ucOpcode, uint8_t *pucBuff, char *patch,
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uint16_t usDataLength)
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{
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uint8_t *data_ptr = (pucBuff + SPI_HEADER_SIZE);
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uint16_t usTransLength;
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uint8_t *stream = (pucBuff + SPI_HEADER_SIZE);
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UINT8_TO_STREAM(stream, HCI_TYPE_PATCH);
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UINT8_TO_STREAM(stream, ucOpcode);
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stream = UINT16_TO_STREAM(stream, usDataLength + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
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if (usDataLength <= SL_PATCH_PORTION_SIZE)
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{
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UINT16_TO_STREAM(stream, usDataLength);
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stream = UINT16_TO_STREAM(stream, usDataLength);
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memcpy((pucBuff + SPI_HEADER_SIZE) + HCI_PATCH_HEADER_SIZE, patch, usDataLength);
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/* Update the opcode of the event we will be waiting for */
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SpiWrite(pucBuff, usDataLength + HCI_PATCH_HEADER_SIZE);
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}
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else
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{
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usTransLength = (usDataLength/SL_PATCH_PORTION_SIZE);
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UINT16_TO_STREAM(stream,
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usDataLength + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE +
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usTransLength*SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
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stream = UINT16_TO_STREAM(stream, SL_PATCH_PORTION_SIZE);
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memcpy(pucBuff + SPI_HEADER_SIZE + HCI_PATCH_HEADER_SIZE, patch,
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SL_PATCH_PORTION_SIZE);
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usDataLength -= SL_PATCH_PORTION_SIZE;
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patch += SL_PATCH_PORTION_SIZE;
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/* Update the opcode of the event we will be waiting for */
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SpiWrite(pucBuff, SL_PATCH_PORTION_SIZE + HCI_PATCH_HEADER_SIZE);
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while (usDataLength)
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{
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if (usDataLength <= SL_PATCH_PORTION_SIZE)
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{
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usTransLength = usDataLength;
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usDataLength = 0;
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}
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else
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{
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usTransLength = SL_PATCH_PORTION_SIZE;
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usDataLength -= usTransLength;
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}
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*(uint16_t *)data_ptr = usTransLength;
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memcpy(data_ptr + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE, patch,
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usTransLength);
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patch += usTransLength;
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/* Update the opcode of the event we will be waiting for */
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SpiWrite((uint8_t *)data_ptr, usTransLength + sizeof(usTransLength));
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}
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}
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}
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