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331 lines
10 KiB
C++
Executable File
331 lines
10 KiB
C++
Executable File
/******************************************************************************
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* Filename: sbl_device_cc2652.cpp
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* Revised: $Date$
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* Revision: $Revision$
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*
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* Description: Serial Bootloader device file for CC13x2/CC26x2
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*
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* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
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*
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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 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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#include <sbllib.h>
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#include "sbl_device.h"
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#include "sbl_device_cc2652.h"
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#include "serialib.h"
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//-----------------------------------------------------------------------------
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/** \brief Constructor
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*/
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//-----------------------------------------------------------------------------
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SblDeviceCC2652::SblDeviceCC2652() : SblDeviceCC2650()
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{
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DEBUG_PRINT("\n");
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m_pageEraseSize = SBL_CC2652_PAGE_ERASE_SIZE;
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}
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//-----------------------------------------------------------------------------
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/** \brief Destructor
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*/
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//-----------------------------------------------------------------------------
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SblDeviceCC2652::~SblDeviceCC2652()
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{
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DEBUG_PRINT("\n");
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}
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//-----------------------------------------------------------------------------
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/** \brief This function reads device FLASH size in bytes.
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*
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* \param[out] pui32FlashSize
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* Pointer to where FLASH size is stored.
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* \return
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* Returns SBL_SUCCESS, ...
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*/
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//-----------------------------------------------------------------------------
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uint32_t
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SblDeviceCC2652::readFlashSize(uint32_t *pui32FlashSize)
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{
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DEBUG_PRINT("\n");
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uint32_t retCode = SBL_SUCCESS;
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//
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// Read CC2652 DIECFG0 (contains FLASH size information)
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//
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uint32_t addr = SBL_CC2652_FLASH_SIZE_CFG;
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uint32_t value;
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if ((retCode = readMemory32(addr, 1, &value)) != SBL_SUCCESS)
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{
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setState((tSblStatus)retCode, "Failed to read device FLASH size: %s", getLastError().c_str());
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return retCode;
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}
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//
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// Calculate flash size (The number of flash sectors are at bits [7:0])
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//
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value &= 0xFF;
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*pui32FlashSize = value*SBL_CC2652_PAGE_ERASE_SIZE;
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m_flashSize = *pui32FlashSize;
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return SBL_SUCCESS;
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}
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//-----------------------------------------------------------------------------
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/** \brief This function reads device RAM size in bytes.
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*
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* \param[out] pui32RamSize
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* Pointer to where RAM size is stored.
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* \return
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* Returns SBL_SUCCESS, ...
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*/
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//-----------------------------------------------------------------------------
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uint32_t
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SblDeviceCC2652::readRamSize(uint32_t *pui32RamSize)
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{
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DEBUG_PRINT("\n");
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int retCode = SBL_SUCCESS;
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uint32_t addr = SBL_CC2652_RAM_SIZE_CFG;
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uint32_t value;
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if ((retCode = readMemory32(addr, 1, &value)) != SBL_SUCCESS)
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{
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setState(retCode, "Failed to read device RAM size: %s", getLastError().c_str());
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return retCode;
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}
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uint32_t ramSizeInfo = (value & CHIP_SRAM_SIZE_INFO_M) >> CHIP_SRAM_SIZE_INFO_S;
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m_ramSize = calculateRamSize(ramSizeInfo);
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if (*pui32RamSize != NULL)
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{
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*pui32RamSize = m_ramSize;
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}
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return retCode;
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}
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//-----------------------------------------------------------------------------
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/** \brief Calculate RAM size.
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*
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* \param[in] ramSizeInfo
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* Register value for RAM size configuration (TOP:PRCM:RAMHWOPT).
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* The argument is optional and the default value is 3 (RAM size 80 KB)
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* \returns uint32_t
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* Ram size
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*/
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//-----------------------------------------------------------------------------
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uint32_t SblDeviceCC2652::calculateRamSize(uint32_t ramSizeInfo)
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{
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DEBUG_PRINT("\n");
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uint32_t ramSize;
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switch (ramSizeInfo)
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{
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case 0:
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ramSize = (32 * 1024);
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break;
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case 1:
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ramSize = (48 * 1024);
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break;
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case 2:
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ramSize = (64 * 1024);
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break;
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case 3:
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default:
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ramSize = (80 * 1024);
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break;
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}
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return ramSize;
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}
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//-----------------------------------------------------------------------------
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/** \brief This function returns the FLASH address of the bootloader enable
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* configuration.
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*
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* \return
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* Returns true if the address/range is within the device RAM.
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*/
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//-----------------------------------------------------------------------------
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uint32_t SblDeviceCC2652::getBootloaderEnableAddress()
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{
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DEBUG_PRINT("\n");
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return SBL_CC2652_FLASH_START_ADDRESS + getFlashSize() - getPageEraseSize() + SBL_CC2652_BL_CONFIG_PAGE_OFFSET;
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}
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//-----------------------------------------------------------------------------
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/** \brief This function returns a string with the device command name of
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* \e ui32Cmd.
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*
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* \param[out] ui32Cmd
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* The serial bootloader command.
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* \return
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* Returns std::string with name of device command.
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*/
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//-----------------------------------------------------------------------------
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std::string
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SblDeviceCC2652::getCmdString(uint32_t ui32Cmd)
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{
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DEBUG_PRINT("\n");
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std::string cmd = SblDeviceCC2650::getCmdString(ui32Cmd);
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if (cmd.find("Unknown") != std::string::npos)
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{
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switch (ui32Cmd)
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{
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case SblDeviceCC2652::CMD_DOWNLOAD_CRC: cmd = "CMD_DOWNLOAD_CRC"; break;
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default: cmd = "Unknown command"; break;
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}
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}
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return cmd;
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}
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//-----------------------------------------------------------------------------
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/** \brief This function sends the CC2652 download CRC command and handles the
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* device response.
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*
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* \param[in] ui32Address
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* The start address in CC2652 flash.
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* \param[in] ui32Size
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* Number of bytes to be sent.
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* \param[in] ui32Crc
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* Total number of bytes to be programmed.
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*
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* \return
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* Returns SBL_SUCCESS if command and response was successful.
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*/
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//-----------------------------------------------------------------------------
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uint32_t SblDeviceCC2652::cmdDownloadCrc(uint32_t ui32Address, uint32_t ui32Size, uint32_t ui32Crc)
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{
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DEBUG_PRINT("\n");
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int retCode = SBL_SUCCESS;
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bool bSuccess = false;
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//
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// Check input arguments
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//
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if (!addressInFlash(ui32Address, ui32Size) &&
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!addressInRam(ui32Address, ui32Size))
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{
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setState(SBL_ARGUMENT_ERROR, "Specified address range (0x%08X + %d bytes) is not in device FLASH nor RAM.\n", ui32Address, ui32Size);
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return SBL_ARGUMENT_ERROR;
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}
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//
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// Generate payload
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// - 4B Program address
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// - 4B Program data
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// - 4B CRC
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//
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char pcPayload[12];
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ulToCharArray(ui32Address, &pcPayload[0]);
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ulToCharArray(ui32Size, &pcPayload[4]);
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ulToCharArray(ui32Crc, &pcPayload[8]);
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//
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// Send command
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//
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if ((retCode = sendCmd(SblDeviceCC2652::CMD_DOWNLOAD_CRC, pcPayload, 12) != SBL_SUCCESS))
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{
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return retCode;
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}
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//
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// Receive command response (ACK/NAK)
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//
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if ((retCode = getCmdResponse(bSuccess)) != SBL_SUCCESS)
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{
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return retCode;
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}
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//
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// Return command response
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//
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return (bSuccess) ? SBL_SUCCESS : SBL_ERROR;
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}
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//-----------------------------------------------------------------------------
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/** \brief Send command.
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*
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* \param[in] ui32Cmd
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* The command to send.
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* \param[in] pcSendData
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* Pointer to the data to send with the command.
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* \param[in] ui32SendLen
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* The number of bytes to send from \e pcSendData.
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* \return
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* Returns SBL_SUCCESS, ...
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*/
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//-----------------------------------------------------------------------------
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uint32_t
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SblDeviceCC2652::sendCmd(uint32_t ui32Cmd, const char *pcSendData/* = NULL*/,
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uint32_t ui32SendLen/* = 0*/)
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{
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DEBUG_PRINT("\n");
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unsigned char pktLen = ui32SendLen + 3; // +3 => <1B Length>, <1B checksum>, <1B cmd>
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std::vector<char> pvPkt((pktLen));
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unsigned char pktSum = generateCheckSum(ui32Cmd, pcSendData, ui32SendLen);
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//
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// Build packet
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//
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pvPkt.at(0) = pktLen;
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pvPkt.at(1) = pktSum;
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pvPkt.at(2) = (unsigned char)ui32Cmd;
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if (ui32SendLen)
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{
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memcpy(&pvPkt[3], pcSendData, ui32SendLen);
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}
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//
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// Send packet
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//
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if (m_pCom->writeBytes(&pvPkt[0], pvPkt.size()) < 1)
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{
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setState(SBL_PORT_ERROR, "\nWriting to device failed (Command 0x%04x:'%s').\n", ui32Cmd,getCmdString(ui32Cmd).c_str());
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return SBL_PORT_ERROR;
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}
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//
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// Empty and deallocate vector
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//
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pvPkt.clear();
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std::vector<char>().swap(pvPkt);
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return SBL_SUCCESS;
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}
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