341 lines
12 KiB
C
341 lines
12 KiB
C
/*****************************************************************************
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*
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* nvmem.c - CC3000 Host Driver Implementation.
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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//*****************************************************************************
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//
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//! \addtogroup nvmem_api
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//! @{
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//
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//*****************************************************************************
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#include <stdio.h>
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#include <string.h>
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#include <nuttx/cc3000/nvmem.h>
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#include <nuttx/cc3000/hci.h>
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#include <nuttx/cc3000/socket.h>
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#include <nuttx/cc3000/evnt_handler.h>
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//*****************************************************************************
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//
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// Prototypes for the structures for APIs.
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//
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//*****************************************************************************
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#define NVMEM_READ_PARAMS_LEN (12)
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#define NVMEM_CREATE_PARAMS_LEN (8)
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#define NVMEM_WRITE_PARAMS_LEN (16)
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//*****************************************************************************
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//
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//! nvmem_read
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//!
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//! @param ulFileId nvmem file id:\n
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//! NVMEM_NVS_FILEID, NVMEM_NVS_SHADOW_FILEID,
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//! NVMEM_WLAN_CONFIG_FILEID, NVMEM_WLAN_CONFIG_SHADOW_FILEID,
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//! NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
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//! NVMEM_MAC_FILEID, NVMEM_FRONTEND_VARS_FILEID,
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//! NVMEM_IP_CONFIG_FILEID, NVMEM_IP_CONFIG_SHADOW_FILEID,
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//! NVMEM_BOOTLOADER_SP_FILEID, NVMEM_RM_FILEID,
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//! and user files 12-15.
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//! @param ulLength number of bytes to read
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//! @param ulOffset ulOffset in file from where to read
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//! @param buff output buffer pointer
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//!
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//! @return number of bytes read, otherwise error.
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//!
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//! @brief Reads data from the file referred by the ulFileId parameter.
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//! Reads data from file ulOffset till length. Err if the file can't
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//! be used, is invalid, or if the read is out of bounds.
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//!
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//*****************************************************************************
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signed long
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nvmem_read(unsigned long ulFileId, unsigned long ulLength, unsigned long ulOffset, unsigned char *buff)
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{
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unsigned char ucStatus = 0xFF;
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unsigned char *ptr;
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unsigned char *args;
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ptr = tSLInformation.pucTxCommandBuffer;
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args = (ptr + HEADERS_SIZE_CMD);
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// Fill in HCI packet structure
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args = UINT32_TO_STREAM(args, ulFileId);
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args = UINT32_TO_STREAM(args, ulLength);
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args = UINT32_TO_STREAM(args, ulOffset);
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// Initiate a HCI command
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hci_command_send(HCI_CMND_NVMEM_READ, ptr, NVMEM_READ_PARAMS_LEN);
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SimpleLinkWaitEvent(HCI_CMND_NVMEM_READ, &ucStatus);
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// In case there is data - read it - even if an error code is returned
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// Note: It is the user responsibility to ignore the data in case of an error code
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// Wait for the data in a synchronous way. Here we assume that the buffer is
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// big enough to store also parameters of nvmem
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SimpleLinkWaitData(buff, 0, 0);
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return(ucStatus);
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}
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//*****************************************************************************
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//
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//! nvmem_write
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//!
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//! @param ulFileId nvmem file id:\n
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//! NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
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//! NVMEM_MAC_FILEID, NVMEM_BOOTLOADER_SP_FILEID,
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//! and user files 12-15.
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//! @param ulLength number of bytes to write
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//! @param ulEntryOffset offset in file to start write operation from
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//! @param buff data to write
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief Write data to nvmem.
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//! writes data to file referred by the ulFileId parameter.
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//! Writes data to file ulOffset till ulLength.The file id will be
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//! marked invalid till the write is done. The file entry doesn't
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//! need to be valid - only allocated.
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//!
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//*****************************************************************************
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signed long
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nvmem_write(unsigned long ulFileId, unsigned long ulLength, unsigned long
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ulEntryOffset, unsigned char *buff)
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{
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long iRes;
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unsigned char *ptr;
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unsigned char *args;
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iRes = EFAIL;
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ptr = tSLInformation.pucTxCommandBuffer;
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args = (ptr + SPI_HEADER_SIZE + HCI_DATA_CMD_HEADER_SIZE);
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// Fill in HCI packet structure
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args = UINT32_TO_STREAM(args, ulFileId);
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args = UINT32_TO_STREAM(args, 12);
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args = UINT32_TO_STREAM(args, ulLength);
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args = UINT32_TO_STREAM(args, ulEntryOffset);
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memcpy((ptr + SPI_HEADER_SIZE + HCI_DATA_CMD_HEADER_SIZE +
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NVMEM_WRITE_PARAMS_LEN),buff,ulLength);
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// Initiate a HCI command but it will come on data channel
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hci_data_command_send(HCI_CMND_NVMEM_WRITE, ptr, NVMEM_WRITE_PARAMS_LEN,
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ulLength);
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SimpleLinkWaitEvent(HCI_EVNT_NVMEM_WRITE, &iRes);
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return(iRes);
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}
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//*****************************************************************************
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//
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//! nvmem_set_mac_address
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//!
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//! @param mac mac address to be set
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief Write MAC address to EEPROM.
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//! mac address as appears over the air (OUI first)
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//!
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//*****************************************************************************
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unsigned char nvmem_set_mac_address(unsigned char *mac)
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{
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return nvmem_write(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac);
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}
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//*****************************************************************************
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//
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//! nvmem_get_mac_address
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//!
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//! @param[out] mac mac address
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief Read MAC address from EEPROM.
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//! mac address as appears over the air (OUI first)
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//!
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//*****************************************************************************
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unsigned char nvmem_get_mac_address(unsigned char *mac)
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{
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return nvmem_read(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac);
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}
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//*****************************************************************************
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//
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//! nvmem_write_patch
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//!
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//! @param ulFileId nvmem file id:\n
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//! NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
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//! @param spLength number of bytes to write
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//! @param spData SP data to write
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief program a patch to a specific file ID.
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//! The SP data is assumed to be organized in 2-dimensional.
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//! Each line is SP_PORTION_SIZE bytes long. Actual programming is
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//! applied in SP_PORTION_SIZE bytes portions.
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//!
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//*****************************************************************************
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unsigned char nvmem_write_patch(unsigned long ulFileId, unsigned long spLength, const unsigned char *spData)
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{
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unsigned char status = 0;
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unsigned short offset = 0;
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unsigned char* spDataPtr = (unsigned char*)spData;
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while ((status == 0) && (spLength >= SP_PORTION_SIZE))
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{
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status = nvmem_write(ulFileId, SP_PORTION_SIZE, offset, spDataPtr);
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offset += SP_PORTION_SIZE;
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spLength -= SP_PORTION_SIZE;
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spDataPtr += SP_PORTION_SIZE;
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}
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if (status !=0)
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{
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// NVMEM error occurred
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return status;
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}
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if (spLength != 0)
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{
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// if reached here, a reminder is left
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status = nvmem_write(ulFileId, spLength, offset, spDataPtr);
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}
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return status;
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}
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//*****************************************************************************
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//
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//! nvmem_read_sp_version
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//!
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//! @param[out] patchVer first number indicates package ID and the second
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//! number indicates package build number
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief Read patch version. read package version (WiFi FW patch,
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//! driver-supplicant-NS patch, bootloader patch)
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//!
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//*****************************************************************************
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#ifndef CC3000_TINY_DRIVER
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unsigned char nvmem_read_sp_version(unsigned char* patchVer)
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{
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unsigned char *ptr;
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// 1st byte is the status and the rest is the SP version
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unsigned char retBuf[5];
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ptr = tSLInformation.pucTxCommandBuffer;
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// Initiate a HCI command, no args are required
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hci_command_send(HCI_CMND_READ_SP_VERSION, ptr, 0);
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SimpleLinkWaitEvent(HCI_CMND_READ_SP_VERSION, retBuf);
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// package ID
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*patchVer = retBuf[3];
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// package build number
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*(patchVer+1) = retBuf[4];
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return(retBuf[0]);
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}
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#endif
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//*****************************************************************************
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//
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//! nvmem_create_entry
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//!
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//! @param ulFileId nvmem file Id:\n
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//! * NVMEM_AES128_KEY_FILEID: 12
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//! * NVMEM_SHARED_MEM_FILEID: 13
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//! * and fileIDs 14 and 15
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//! @param ulNewLen entry ulLength
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief Create new file entry and allocate space on the NVMEM.
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//! Applies only to user files.
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//! Modify the size of file.
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//! If the entry is unallocated - allocate it to size
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//! ulNewLen (marked invalid).
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//! If it is allocated then deallocate it first.
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//! To just mark the file as invalid without resizing -
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//! set ulNewLen=0.
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//!
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//*****************************************************************************
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signed long
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nvmem_create_entry(unsigned long ulFileId, unsigned long ulNewLen)
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{
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unsigned char *ptr;
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unsigned char *args;
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unsigned short retval;
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ptr = tSLInformation.pucTxCommandBuffer;
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args = (ptr + HEADERS_SIZE_CMD);
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// Fill in HCI packet structure
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args = UINT32_TO_STREAM(args, ulFileId);
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args = UINT32_TO_STREAM(args, ulNewLen);
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// Initiate a HCI command
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hci_command_send(HCI_CMND_NVMEM_CREATE_ENTRY,ptr, NVMEM_CREATE_PARAMS_LEN);
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SimpleLinkWaitEvent(HCI_CMND_NVMEM_CREATE_ENTRY, &retval);
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return(retval);
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}
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//*****************************************************************************
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//
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// Close the Doxygen group.
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//! @}
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//
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//*****************************************************************************
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