/**************************************************************************** * drivers/wireless/cc3000/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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include "cc3000.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define NVMEM_READ_PARAMS_LEN (12) #define NVMEM_CREATE_PARAMS_LEN (8) #define NVMEM_WRITE_PARAMS_LEN (16) /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: nvmem_read * * Description: * 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. * * Input Parameters: * ulFileId nvmem file id: * 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. * ulLength number of bytes to read * ulOffset ulOffset in file from where to read * buff output buffer pointer * * Returned Value: * Number of bytes read, otherwise error. * ****************************************************************************/ signed long nvmem_read(unsigned long ulFileId, unsigned long ulLength, unsigned long ulOffset, uint8_t *buff) { uint8_t ucStatus = 0xff; uint8_t *ptr; uint8_t *args; cc3000_lib_lock(); 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, &ucStatus); cc3000_lib_unlock(); return ucStatus; } /**************************************************************************** * Name: nvmem_write * * Description: * 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. * * Input Parameters: * ulFileId nvmem file id: * NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID, * NVMEM_MAC_FILEID, NVMEM_BOOTLOADER_SP_FILEID, * and user files 12-15. * ulLength number of bytes to write * ulEntryOffset offset in file to start write operation from * buff data to write * * Returned Value: * On success 0, error otherwise. * ****************************************************************************/ signed long nvmem_write(unsigned long ulFileId, unsigned long ulLength, unsigned long ulEntryOffset, uint8_t *buff) { long iRes; uint8_t *ptr; uint8_t *args; cc3000_lib_lock(); 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); cc3000_lib_unlock(); return iRes; } /**************************************************************************** * Name: nvmem_set_mac_address * * Description: * Write MAC address to EEPROM. mac address as appears over the air (OUI * first) * * Input Parameters: * mac mac address to be set * * Returned Value: * On success 0, error otherwise. * ****************************************************************************/ uint8_t nvmem_set_mac_address(uint8_t *mac) { return nvmem_write(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac); } /**************************************************************************** * Name: nvmem_get_mac_address * * Description: * Read MAC address from EEPROM. mac address as appears over the air (OUI * first) * * Input Parameters: * mac mac address * * Returned Value: * On success 0, error otherwise. * ****************************************************************************/ uint8_t nvmem_get_mac_address(uint8_t *mac) { return nvmem_read(NVMEM_MAC_FILEID, MAC_ADDR_LEN, 0, mac); } /**************************************************************************** * Name: nvmem_write_patch * * Description: * 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. * * Input Parameters: * ulFileId nvmem file id: * NVMEM_WLAN_DRIVER_SP_FILEID, NVMEM_WLAN_FW_SP_FILEID, * spLength number of bytes to write * spData SP data to write * * Returned Value: * On success 0, error otherwise. * ****************************************************************************/ uint8_t nvmem_write_patch(unsigned long ulFileId, unsigned long spLength, const uint8_t *spData) { FAR uint8_t *spDataPtr = (FAR uint8_t *)spData; uint8_t status = 0; uint16_t offset = 0; 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; } /**************************************************************************** * Name: nvmem_read_sp_version * * Description: * Read patch version. read package version (WiFi FW patch, * driver-supplicant-NS patch, bootloader patch) * * Input Parameters: * patchVer first number indicates package ID and the second * number indicates package build number * * Returned Value: * On success 0, error otherwise. * ****************************************************************************/ #ifndef CC3000_TINY_DRIVER uint8_t nvmem_read_sp_version(uint8_t *patchVer) { uint8_t *ptr; /* 1st byte is the status and the rest is the SP version */ uint8_t retBuf[5]; cc3000_lib_lock(); 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]; cc3000_lib_unlock(); return retBuf[0]; } #endif /**************************************************************************** * Name: nvmem_create_entry * * Description: * 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. * * Input Parameters: * ulFileId nvmem file Id: * * NVMEM_AES128_KEY_FILEID: 12 * * NVMEM_SHARED_MEM_FILEID: 13 * * and fileIDs 14 and 15 * ulNewLen entry ulLength * * Returned Value: * On success 0, error otherwise. * ****************************************************************************/ signed long nvmem_create_entry(unsigned long ulFileId, unsigned long ulNewLen) { uint8_t *ptr; uint8_t *args; uint16_t retval; cc3000_lib_lock(); 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); cc3000_lib_unlock(); return retval; }