Added mutex for multiple SPI devices on the same SPI bus
Fork of cc3000_hostdriver_mbedsocket by
Diff: cc3000_hci.cpp
- Revision:
- 0:615c697c33b0
- Child:
- 20:30b6ed7bf8fd
- Child:
- 21:fb34ac8d9af5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cc3000_hci.cpp Thu Sep 19 07:55:14 2013 +0000 @@ -0,0 +1,149 @@ +/***************************************************************************** +* +* 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; + + 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)); + } + } +} + +}