diff options
Diffstat (limited to 'nuttx/drivers/wireless/cc3000/nvmem.c')
| -rw-r--r-- | nuttx/drivers/wireless/cc3000/nvmem.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/nuttx/drivers/wireless/cc3000/nvmem.c b/nuttx/drivers/wireless/cc3000/nvmem.c new file mode 100644 index 000000000..3d0054591 --- /dev/null +++ b/nuttx/drivers/wireless/cc3000/nvmem.c @@ -0,0 +1,340 @@ +/*****************************************************************************
+*
+* 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 <stdio.h>
+#include <string.h>
+#include <nuttx/cc3000/nvmem.h>
+#include <nuttx/cc3000/hci.h>
+#include <nuttx/cc3000/socket.h>
+#include <nuttx/cc3000/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.
+//! @}
+//
+//*****************************************************************************
+
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