Added mutex for multiple SPI devices on the same SPI bus
Fork of cc3000_hostdriver_mbedsocket by
cc3000_hci.cpp
- Committer:
- SolderSplashLabs
- Date:
- 2013-10-03
- Revision:
- 22:d23c59fec0dc
- Parent:
- 20:30b6ed7bf8fd
- Child:
- 26:456f73ed2a75
File content as of revision 22:d23c59fec0dc:
/***************************************************************************** * * C++ interface/implementation created by Martin Kojtal (0xc0170). Thanks to * Jim Carver and Frank Vannieuwkerke for their inital cc3000 mbed port and * provided help. * * This version of "host driver" uses CC3000 Host Driver Implementation. Thus * read the following copyright: * * 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. * *****************************************************************************/ #include "cc3000.h" namespace mbed_cc3000 { cc3000_hci::cc3000_hci(cc3000_spi &spi) : _spi(spi) { } cc3000_hci::~cc3000_hci() { } uint16_t cc3000_hci::command_send(uint16_t op_code, uint8_t *buffer, uint8_t length) { unsigned char *stream; DBG_HCI_CMD("Command Sent : 0x%04X", op_code); stream = (buffer + SPI_HEADER_SIZE); UINT8_TO_STREAM(stream, HCI_TYPE_CMND); stream = UINT16_TO_STREAM(stream, op_code); UINT8_TO_STREAM(stream, length); //Update the opcode of the event we will be waiting for _spi.write(buffer, length + SIMPLE_LINK_HCI_CMND_HEADER_SIZE); return(0); } uint32_t cc3000_hci::data_send(uint8_t op_code, uint8_t *args, uint16_t arg_length, uint16_t data_length, const uint8_t *tail, uint16_t tail_length) { unsigned char *stream; stream = ((args) + SPI_HEADER_SIZE); UINT8_TO_STREAM(stream, HCI_TYPE_DATA); UINT8_TO_STREAM(stream, op_code); UINT8_TO_STREAM(stream, arg_length); stream = UINT16_TO_STREAM(stream, arg_length + data_length + tail_length); // Send the packet _spi.write(args, SIMPLE_LINK_HCI_DATA_HEADER_SIZE + arg_length + data_length + tail_length); return 0; } void cc3000_hci::data_command_send(uint16_t op_code, uint8_t *buffer, uint8_t arg_length, uint16_t data_length) { unsigned char *stream = (buffer + SPI_HEADER_SIZE); UINT8_TO_STREAM(stream, HCI_TYPE_DATA); UINT8_TO_STREAM(stream, op_code); UINT8_TO_STREAM(stream, arg_length); stream = UINT16_TO_STREAM(stream, arg_length + data_length); // Send the command _spi.write(buffer, arg_length + data_length + SIMPLE_LINK_HCI_DATA_CMND_HEADER_SIZE); return; } void cc3000_hci::patch_send(uint8_t op_code, uint8_t *buffer, uint8_t *patch, uint16_t data_length) { unsigned short usTransLength; unsigned char *stream = (buffer + SPI_HEADER_SIZE); UINT8_TO_STREAM(stream, HCI_TYPE_PATCH); UINT8_TO_STREAM(stream, op_code); stream = UINT16_TO_STREAM(stream, data_length + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE); if (data_length <= SL_PATCH_PORTION_SIZE) { UINT16_TO_STREAM(stream, data_length); stream = UINT16_TO_STREAM(stream, data_length); memcpy((buffer + SPI_HEADER_SIZE) + HCI_PATCH_HEADER_SIZE, patch, data_length); // Update the opcode of the event we will be waiting for _spi.write(buffer, data_length + HCI_PATCH_HEADER_SIZE); } else { usTransLength = (data_length/SL_PATCH_PORTION_SIZE); UINT16_TO_STREAM(stream, data_length + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE + usTransLength*SIMPLE_LINK_HCI_PATCH_HEADER_SIZE); stream = UINT16_TO_STREAM(stream, SL_PATCH_PORTION_SIZE); memcpy(buffer + SPI_HEADER_SIZE + HCI_PATCH_HEADER_SIZE, patch, SL_PATCH_PORTION_SIZE); data_length -= SL_PATCH_PORTION_SIZE; patch += SL_PATCH_PORTION_SIZE; // Update the opcode of the event we will be waiting for _spi.write(buffer, SL_PATCH_PORTION_SIZE + HCI_PATCH_HEADER_SIZE); stream = (buffer + SPI_HEADER_SIZE); while (data_length) { if (data_length <= SL_PATCH_PORTION_SIZE) { usTransLength = data_length; data_length = 0; } else { usTransLength = SL_PATCH_PORTION_SIZE; data_length -= usTransLength; } *(unsigned short *)stream = usTransLength; memcpy(stream + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE, patch, usTransLength); patch += usTransLength; // Update the opcode of the event we will be waiting for _spi.write((unsigned char *)stream, usTransLength + sizeof(usTransLength)); } } } }