Diff: nvmem.cpp

Revision:

0:c44f0314d6ec

Child:

3:3818c9c7b14e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nvmem.cpp	Fri Jun 28 17:48:37 2013 +0000
@@ -0,0 +1,339 @@
+/*****************************************************************************
+*
+*  nvmem.c  - CC3000 Host Driver Implementation.
+*  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.
+*
+*****************************************************************************/
+
+//*****************************************************************************
+//
+//! \addtogroup nvmem_api
+//! @{
+//
+//*****************************************************************************
+
+
+#include "nvmem.h"
+
+//*****************************************************************************
+//
+// Prototypes for the structures for APIs.
+//
+//*****************************************************************************
+
+#define NVMEM_READ_PARAMS_LEN     (12)
+#define NVMEM_CREATE_PARAMS_LEN     (8)
+#define NVMEM_WRITE_PARAMS_LEN  (16)
+
+//*****************************************************************************
+//
+//!  nvmem_read
+//!
+//!  @param  ulFileId   nvmem file id:\n
+//!                     NVMEM_NVS_FILEID, NVMEM_NVS_SHADOW_FILEID,
+//!                     NVMEM_WLAN_CONFIG_FILEID, NVMEM_WLAN_CONFIG_SHADOW_FILEID,
+//!                     NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
+//!                     NVMEM_MAC_FILEID, NVMEM_FRONTEND_VARS_FILEID,
+//!                     NVMEM_IP_CONFIG_FILEID, NVMEM_IP_CONFIG_SHADOW_FILEID,
+//!                     NVMEM_BOOTLOADER_SP_FILEID, NVMEM_RM_FILEID,
+//!                     and user files 12-15.
+//!  @param  ulLength    number of bytes to read 
+//!  @param  ulOffset    ulOffset in file from where to read  
+//!  @param  buff        output buffer pointer
+//!
+//!  @return       number of bytes read, otherwise error.
+//!
+//!  @brief       Reads data from the file referred by the ulFileId parameter. 
+//!               Reads data from file ulOffset till length. Err if the file can't
+//!               be used, is invalid, or if the read is out of bounds. 
+//!     
+//*****************************************************************************
+
+signed long 
+nvmem_read(unsigned long ulFileId, unsigned long ulLength, unsigned long ulOffset, unsigned char *buff)
+{
+    unsigned char ucStatus = 0xFF;
+    unsigned char *ptr;
+    unsigned char *args;
+    
+    ptr = tSLInformation.pucTxCommandBuffer;
+    args = (ptr + HEADERS_SIZE_CMD);
+    
+    // Fill in HCI packet structure
+    args = UINT32_TO_STREAM(args, ulFileId);
+    args = UINT32_TO_STREAM(args, ulLength);
+    args = UINT32_TO_STREAM(args, ulOffset);
+    
+    // Initiate a HCI command
+    hci_command_send(HCI_CMND_NVMEM_READ, ptr, NVMEM_READ_PARAMS_LEN);
+    SimpleLinkWaitEvent(HCI_CMND_NVMEM_READ, &ucStatus);
+    
+    // In case there is data - read it - even if an error code is returned
+   // Note: It is the user responsibility to ignore the data in case of an error code
+    
+    // Wait for the data in a synchronous way. Here we assume that the buffer is 
+    // big enough to store also parameters of nvmem
+    
+    SimpleLinkWaitData(buff, 0, 0);
+    
+    return(ucStatus);
+}
+
+//*****************************************************************************
+//
+//!  nvmem_write
+//!
+//!  @param  ulFileId nvmem file id:\n
+//!                   NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
+//!                   NVMEM_MAC_FILEID, NVMEM_BOOTLOADER_SP_FILEID,
+//!                   and user files 12-15.
+//!  @param  ulLength       number of bytes to write  
+//!  @param  ulEntryOffset  offset in file to start write operation from 
+//!  @param  buff           data to write
+//!
+//!  @return       on success 0, error otherwise.
+//!
+//!  @brief       Write data to nvmem.
+//!               writes data to file referred by the ulFileId parameter. 
+//!               Writes data to file ulOffset till ulLength.The file id will be 
+//!               marked invalid till the write is done. The file entry doesn't
+//!               need to be valid - only allocated.
+//!     
+//*****************************************************************************
+
+signed long 
+nvmem_write(unsigned long ulFileId, unsigned long ulLength, unsigned long 
+                        ulEntryOffset, unsigned char *buff)
+{
+    long iRes;
+    unsigned char *ptr;
+    unsigned char *args;
+    
+    iRes = EFAIL;
+    
+    ptr = tSLInformation.pucTxCommandBuffer;
+    args = (ptr + SPI_HEADER_SIZE + HCI_DATA_CMD_HEADER_SIZE);
+    
+    // Fill in HCI packet structure
+    args = UINT32_TO_STREAM(args, ulFileId);
+    args = UINT32_TO_STREAM(args, 12);
+    args = UINT32_TO_STREAM(args, ulLength);
+    args = UINT32_TO_STREAM(args, ulEntryOffset);
+    
+    memcpy((ptr + SPI_HEADER_SIZE + HCI_DATA_CMD_HEADER_SIZE + 
+                    NVMEM_WRITE_PARAMS_LEN),buff,ulLength);
+    
+    // Initiate a HCI command but it will come on data channel
+    hci_data_command_send(HCI_CMND_NVMEM_WRITE, ptr, NVMEM_WRITE_PARAMS_LEN,
+                                                ulLength);
+    
+    SimpleLinkWaitEvent(HCI_EVNT_NVMEM_WRITE, &iRes);
+    
+    return(iRes);
+}
+
+
+//*****************************************************************************
+//
+//!  nvmem_set_mac_address
+//!
+//!  @param  mac   mac address to be set
+//!
+//!  @return       on success 0, error otherwise.
+//!
+//!  @brief       Write MAC address to EEPROM. 
+//!               mac address as appears over the air (OUI first)
+//!     
+//*****************************************************************************
+
+unsigned char nvmem_set_mac_address(unsigned char *mac)
+{
+    return  nvmem_write(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac);
+}
+
+//*****************************************************************************
+//
+//!  nvmem_get_mac_address
+//!
+//!  @param[out]  mac   mac address  
+//!
+//!  @return       on success 0, error otherwise.
+//!
+//!  @brief       Read MAC address from EEPROM. 
+//!               mac address as appears over the air (OUI first)
+//!     
+//*****************************************************************************
+
+unsigned char nvmem_get_mac_address(unsigned char *mac)
+{
+    return  nvmem_read(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac);
+}
+
+//*****************************************************************************
+//
+//!  nvmem_write_patch
+//!
+//!  @param  ulFileId   nvmem file id:\n
+//!                     NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID,
+//!  @param  spLength   number of bytes to write 
+//!  @param  spData     SP data to write
+//!
+//!  @return       on success 0, error otherwise.
+//!
+//!  @brief      program a patch to a specific file ID. 
+//!              The SP data is assumed to be organized in 2-dimensional.
+//!              Each line is SP_PORTION_SIZE bytes long. Actual programming is 
+//!              applied in SP_PORTION_SIZE bytes portions.
+//!     
+//*****************************************************************************
+
+unsigned char nvmem_write_patch(unsigned long ulFileId, unsigned long spLength, const unsigned char *spData)
+{
+    unsigned char     status = 0;
+    unsigned short    offset = 0;
+    unsigned char*      spDataPtr = (unsigned char*)spData;
+    
+    while ((status == 0) && (spLength >= SP_PORTION_SIZE))
+    {
+        status = nvmem_write(ulFileId, SP_PORTION_SIZE, offset, spDataPtr);
+        offset += SP_PORTION_SIZE;
+        spLength -= SP_PORTION_SIZE;
+        spDataPtr += SP_PORTION_SIZE;
+    }
+    
+    if (status !=0)
+    {
+        // NVMEM error occurred
+        return status;
+    }
+    
+    if (spLength != 0)
+    {
+        // if reached here, a reminder is left
+        status = nvmem_write(ulFileId, spLength, offset, spDataPtr);
+    }
+    
+    return status;
+}
+
+//*****************************************************************************
+//
+//!  nvmem_read_sp_version
+//!
+//!  @param[out]  patchVer    first number indicates package ID and the second 
+//!                           number indicates package build number   
+//!
+//!  @return       on success  0, error otherwise.
+//!
+//!  @brief      Read patch version. read package version (WiFi FW patch, 
+//!              driver-supplicant-NS patch, bootloader patch)
+//!     
+//*****************************************************************************
+#ifndef CC3000_TINY_DRIVER
+unsigned char nvmem_read_sp_version(unsigned char* patchVer)
+{
+    unsigned char *ptr;
+    // 1st byte is the status and the rest is the SP version
+    unsigned char    retBuf[5];    
+    
+    ptr = tSLInformation.pucTxCommandBuffer;
+  
+   // Initiate a HCI command, no args are required
+    hci_command_send(HCI_CMND_READ_SP_VERSION, ptr, 0);    
+    SimpleLinkWaitEvent(HCI_CMND_READ_SP_VERSION, retBuf);
+    
+    // package ID
+    *patchVer = retBuf[3];            
+    // package build number
+    *(patchVer+1) = retBuf[4];        
+    
+    return(retBuf[0]);
+}
+#endif
+
+//*****************************************************************************
+//
+//!  nvmem_create_entry
+//!
+//!  @param       ulFileId    nvmem file Id:\n
+//!                           * NVMEM_AES128_KEY_FILEID: 12
+//!                           * NVMEM_SHARED_MEM_FILEID: 13
+//!                           * and fileIDs 14 and 15
+//!  @param       ulNewLen    entry ulLength  
+//!
+//!  @return       on success 0, error otherwise.
+//!
+//!  @brief      Create new file entry and allocate space on the NVMEM. 
+//!              Applies only to user files.
+//!              Modify the size of file.
+//!              If the entry is unallocated - allocate it to size 
+//!              ulNewLen (marked invalid).
+//!              If it is allocated then deallocate it first.
+//!              To just mark the file as invalid without resizing - 
+//!              set ulNewLen=0.
+//!     
+//*****************************************************************************
+
+signed long 
+nvmem_create_entry(unsigned long ulFileId, unsigned long ulNewLen)
+{
+    unsigned char *ptr; 
+    unsigned char *args;
+    unsigned short retval;
+    
+    ptr = tSLInformation.pucTxCommandBuffer;
+    args = (ptr + HEADERS_SIZE_CMD);
+    
+    // Fill in HCI packet structure
+    args = UINT32_TO_STREAM(args, ulFileId);
+    args = UINT32_TO_STREAM(args, ulNewLen);
+    
+    // Initiate a HCI command
+    hci_command_send(HCI_CMND_NVMEM_CREATE_ENTRY,ptr, NVMEM_CREATE_PARAMS_LEN);
+    
+    SimpleLinkWaitEvent(HCI_CMND_NVMEM_CREATE_ENTRY, &retval);
+    
+    return(retval);
+}
+
+
+
+//*****************************************************************************
+//
+// Close the Doxygen group.
+//! @}
+//
+//*****************************************************************************
+
+
+
+
+