367 lines
11 KiB
C
367 lines
11 KiB
C
/****************************************************************************
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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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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <nuttx/wireless/cc3000/nvmem.h>
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#include <nuttx/wireless/cc3000/hci.h>
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#include <nuttx/wireless/cc3000/evnt_handler.h>
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#include "cc3000.h"
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/****************************************************************************
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* Pre-processor Definitions
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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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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nvmem_read
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*
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* Description:
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* Reads data from the file referred by the ulFileId parameter. Reads data
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* from file ulOffset till length. Err if the file can't be used, is
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* invalid, or if the read is out of bounds.
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*
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* Input Parameters:
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* ulFileId nvmem file id:
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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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* ulLength number of bytes to read
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* ulOffset ulOffset in file from where to read
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* buff output buffer pointer
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*
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* Returned Value:
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* Number of bytes read, otherwise error.
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*
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****************************************************************************/
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signed long nvmem_read(unsigned long ulFileId, unsigned long ulLength,
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unsigned long ulOffset, uint8_t *buff)
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{
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uint8_t ucStatus = 0xff;
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uint8_t *ptr;
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uint8_t *args;
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cc3000_lib_lock();
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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
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* error code
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*/
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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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*/
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SimpleLinkWaitData(buff, 0, &ucStatus);
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cc3000_lib_unlock();
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return ucStatus;
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}
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/****************************************************************************
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* Name: nvmem_write
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*
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* Description:
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* Write data to nvmem. Writes data to file referred by the ulFileId
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* parameter. 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 need to be
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* valid - only allocated.
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*
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* Input Parameters:
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* ulFileId nvmem file id:
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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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* ulLength number of bytes to write
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* ulEntryOffset offset in file to start write operation from
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* buff data to write
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*
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* Returned Value:
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* On success 0, error otherwise.
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*
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****************************************************************************/
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signed long nvmem_write(unsigned long ulFileId, unsigned long ulLength,
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unsigned long ulEntryOffset, uint8_t *buff)
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{
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long iRes;
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uint8_t *ptr;
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uint8_t *args;
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cc3000_lib_lock();
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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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cc3000_lib_unlock();
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return iRes;
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}
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/****************************************************************************
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* Name: nvmem_set_mac_address
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*
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* Description:
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* Write MAC address to EEPROM. mac address as appears over the air (OUI
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* first)
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*
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* Input Parameters:
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* mac mac address to be set
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*
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* Returned Value:
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* On success 0, error otherwise.
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*
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****************************************************************************/
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uint8_t nvmem_set_mac_address(uint8_t *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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* Name: nvmem_get_mac_address
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*
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* Description:
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* Read MAC address from EEPROM. mac address as appears over the air (OUI
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* first)
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*
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* Input Parameters:
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* mac mac address
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*
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* Returned Value:
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* On success 0, error otherwise.
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*
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****************************************************************************/
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uint8_t nvmem_get_mac_address(uint8_t *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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* Name: nvmem_write_patch
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*
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* Description:
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* Program a patch to a specific file ID. The SP data is assumed to be
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* organized in 2-dimensional. Each line is SP_PORTION_SIZE bytes long.
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* Actual programming is applied in SP_PORTION_SIZE bytes portions.
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*
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* Input Parameters:
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* ulFileId nvmem file id:
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* NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
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* spLength number of bytes to write
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* spData SP data to write
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*
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* Returned Value:
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* On success 0, error otherwise.
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*
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****************************************************************************/
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uint8_t nvmem_write_patch(unsigned long ulFileId, unsigned long spLength,
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const uint8_t *spData)
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{
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FAR uint8_t *spDataPtr = (FAR uint8_t *)spData;
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uint8_t status = 0;
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uint16_t offset = 0;
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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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* Name: nvmem_read_sp_version
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*
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* Description:
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* 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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* Input Parameters:
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* 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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* Returned Value:
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* On success 0, error otherwise.
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*
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****************************************************************************/
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#ifndef CC3000_TINY_DRIVER
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uint8_t nvmem_read_sp_version(uint8_t *patchVer)
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{
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uint8_t *ptr;
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/* 1st byte is the status and the rest is the SP version */
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uint8_t retBuf[5];
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cc3000_lib_lock();
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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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cc3000_lib_unlock();
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return retBuf[0];
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}
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#endif
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/****************************************************************************
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* Name: nvmem_create_entry
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*
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* Description:
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* Create new file entry and allocate space on the NVMEM. Applies only to
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* user files. Modify the size of file. If the entry is unallocated -
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* allocate it to size ulNewLen (marked invalid). If it is allocated then
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* deallocate it first. To just mark the file as invalid without resizing -
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* Set ulNewLen=0.
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*
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* Input Parameters:
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* ulFileId nvmem file Id:
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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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* ulNewLen entry ulLength
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*
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* Returned Value:
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* On success 0, error otherwise.
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*
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****************************************************************************/
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signed long nvmem_create_entry(unsigned long ulFileId, unsigned long ulNewLen)
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{
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uint8_t *ptr;
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uint8_t *args;
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uint16_t retval;
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cc3000_lib_lock();
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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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cc3000_lib_unlock();
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return retval;
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}
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