circuitpython/stmhal/cc3k/nvmem.c

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/*****************************************************************************
*
* 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 <stdint.h>
#include <string.h>
#include "mpconfigport.h"
#if MICROPY_HW_ENABLE_CC3K
#include "nvmem.h"
#include "hci.h"
#include "socket.h"
#include "evnt_handler.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.
//! @}
//
//*****************************************************************************
#endif // MICROPY_HW_ENABLE_CC3K