Added mutex for multiple SPI devices on the same SPI bus
Fork of cc3000_hostdriver_mbedsocket by
cc3000_nvmem.cpp
- Committer:
- vpcola
- Date:
- 2014-10-16
- Revision:
- 47:cc9a2501e29f
- Parent:
- 45:50ab13d8f2dc
File content as of revision 47:cc9a2501e29f:
/***************************************************************************** * * 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" #include "cc3000_nvmem.h" #include "cc3000_common.h" namespace mbed_cc3000 { cc3000_nvmem::cc3000_nvmem(cc3000_hci &hci, cc3000_event &event, cc3000_simple_link &simple_link) : _hci(hci), _event(event), _simple_link(simple_link) { } cc3000_nvmem::~cc3000_nvmem() { } int32_t cc3000_nvmem::read(uint32_t file_id, uint32_t length, uint32_t offset, uint8_t *buff) { uint8_t ucStatus = 0xFF; uint8_t *ptr; uint8_t *args; ptr = _simple_link.get_transmit_buffer(); args = (ptr + HEADERS_SIZE_CMD); // Fill in HCI packet structure args = UINT32_TO_STREAM(args, file_id); args = UINT32_TO_STREAM(args, length); args = UINT32_TO_STREAM(args, offset); // Initiate HCI command _hci.command_send(HCI_CMND_NVMEM_READ, ptr, NVMEM_READ_PARAMS_LEN); _event.simplelink_wait_event(HCI_CMND_NVMEM_READ, &ucStatus); // If data is present, read it even when an error is returned. // Note: It is the users responsibility to ignore the data when an error is returned. // Wait for the data in a synchronous way. // We assume the buffer is large enough to also store nvmem parameters. _event.simplelink_wait_data(buff, 0, 0); return(ucStatus); } int32_t cc3000_nvmem::write(uint32_t file_id, uint32_t length, uint32_t entry_offset, uint8_t *buff) { int32_t iRes; uint8_t *ptr; uint8_t *args; iRes = EFAIL; ptr = _simple_link.get_transmit_buffer(); args = (ptr + SPI_HEADER_SIZE + HCI_DATA_CMD_HEADER_SIZE); // Fill in HCI packet structure args = UINT32_TO_STREAM(args, file_id); args = UINT32_TO_STREAM(args, 12); args = UINT32_TO_STREAM(args, length); args = UINT32_TO_STREAM(args, entry_offset); memcpy((ptr + SPI_HEADER_SIZE + HCI_DATA_CMD_HEADER_SIZE + NVMEM_WRITE_PARAMS_LEN),buff,length); // Initiate a HCI command on the data channel _hci.data_command_send(HCI_CMND_NVMEM_WRITE, ptr, NVMEM_WRITE_PARAMS_LEN, length); _event.simplelink_wait_event(HCI_EVNT_NVMEM_WRITE, &iRes); return(iRes); } uint8_t cc3000_nvmem::set_mac_address(uint8_t *mac) { return write(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac); } uint8_t cc3000_nvmem::get_mac_address(uint8_t *mac) { return read(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac); } uint8_t cc3000_nvmem::write_patch(uint32_t file_id, uint32_t length, const uint8_t *data) { uint8_t status = 0; uint16_t offset = 0; uint8_t* spDataPtr = (uint8_t*)data; while ((status == 0) && (length >= SP_PORTION_SIZE)) { status = write(file_id, SP_PORTION_SIZE, offset, spDataPtr); offset += SP_PORTION_SIZE; length -= SP_PORTION_SIZE; spDataPtr += SP_PORTION_SIZE; } if (status !=0) { // NVMEM error occurred return status; } if (length != 0) { // If length MOD 512 is nonzero, write the remaining bytes. status = write(file_id, length, offset, spDataPtr); } return status; } int32_t cc3000_nvmem::create_entry(uint32_t file_id, uint32_t new_len) { uint8_t *ptr; uint8_t *args; uint16_t retval; ptr = _simple_link.get_transmit_buffer(); args = (ptr + HEADERS_SIZE_CMD); // Fill in HCI packet structure args = UINT32_TO_STREAM(args, file_id); args = UINT32_TO_STREAM(args, new_len); // Initiate a HCI command _hci.command_send(HCI_CMND_NVMEM_CREATE_ENTRY,ptr, NVMEM_CREATE_PARAMS_LEN); _event.simplelink_wait_event(HCI_CMND_NVMEM_CREATE_ENTRY, &retval); return(retval); } #ifndef CC3000_TINY_DRIVER uint8_t cc3000_nvmem::read_sp_version(uint8_t* patch_ver) { uint8_t *ptr; // 1st byte is the status and the rest is the SP version uint8_t retBuf[5]; ptr = _simple_link.get_transmit_buffer(); // Initiate a HCI command, no args are required _hci.command_send(HCI_CMND_READ_SP_VERSION, ptr, 0); _event.simplelink_wait_event(HCI_CMND_READ_SP_VERSION, retBuf); // package ID *patch_ver = retBuf[3]; // package build number *(patch_ver+1) = retBuf[4]; return(retBuf[0]); } #endif } // mbed_cc3000 namespace