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));
}
}
}
}
