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Diffstat (limited to 'stmhal/cc3k/hci.c')
| -rw-r--r-- | stmhal/cc3k/hci.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/stmhal/cc3k/hci.c b/stmhal/cc3k/hci.c new file mode 100644 index 0000000000..ef77db95f9 --- /dev/null +++ b/stmhal/cc3k/hci.c @@ -0,0 +1,242 @@ +/***************************************************************************** +* +* hci.c - CC3000 Host Driver Implementation. +* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ +* +* Adapted for use with the Arduino/AVR by KTOWN (Kevin Townsend) +* & Limor Fried for Adafruit Industries +* This library works with the Adafruit CC3000 breakout +* ----> https://www.adafruit.com/products/1469 +* Adafruit invests time and resources providing this open source code, +* please support Adafruit and open-source hardware by purchasing +* products from Adafruit! +* +* 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 <stdint.h> +#include <string.h> // for memcpy + +#include "cc3000_common.h" +#include "hci.h" +#include "ccspi.h" +#include "evnt_handler.h" +#include "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) + { + cc3k_int_poll(); + + 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. +//! @} +// +// +//***************************************************************************** |