SLAA450G April   2010  – April 2020

 

  1.   Creating a Custom Flash-Based Bootloader (BSL)
    1.     Trademarks
    2. 1 5xx and 6xx Bootloader Customization
      1. 1.1 BSL Memory Layout
        1. 1.1.1 Z-Area
        2. 1.1.2 BSL Reserved Memory Locations
      2. 1.2 Device Start-up Sequence
        1. 1.2.1 BSL Protect Function
          1. 1.2.1.1 Protection of BSL Memory
          2. 1.2.1.2 Checking for BSL Invoke
      3. 1.3 TI-Supplied BSL Software
        1. 1.3.1 Software Overview
        2. 1.3.2 Software File Details
          1. 1.3.2.1 BSL430_Low_Level_Init.s43 (IAR) / BSL430_Low_Level_Init.asm (CCS)
          2. 1.3.2.2 BSL_Device_File.h
          3. 1.3.2.3 lnk430FXXXX_BSL_AREA.xcl (IAR) / MSP430Fxxxx_BSL.cmd (CCS)
        3. 1.3.3 Known Limitations in CCS CSL Code Example
          1. 1.3.3.1 Memory Allocation of BSL Code Under Linker Command File
          2. 1.3.3.2 BSL Functions Supported in the Default Setting Project
          3. 1.3.3.3 How to Accomodate Full Function of BSL
          4. 1.3.3.4 Using Modified boot_hook.h and boot.c (CCS Only)
      4. 1.4 Creation of Custom Peripheral Interface
        1. 1.4.1 PI_init ()
        2. 1.4.2 PI_receivePacket()
        3. 1.4.3 PI_sendData(int bufSize)
      5. 1.5 BSL Development and Debug
        1. 1.5.1 Development and Testing
        2. 1.5.2 Special Notes and Tips
        3. 1.5.3 USB BSL External Oscillator Frequency
    3. 2 G2xx Bootloader Creation and Customization
      1. 2.1 Target System Specification
      2. 2.2 BSL Specification
        1. 2.2.1 Functionality
          1. 2.2.1.1 Entry Sequence
          2. 2.2.1.2 Synchronization
          3. 2.2.1.3 Erasing Previous Flash Content
          4. 2.2.1.4 Receiving and Writing New User Data
          5. 2.2.1.5 Data Verification
        2. 2.2.2 Memory Footprint
        3. 2.2.3 Peripherals
      3. 2.3 Implementation
        1. 2.3.1 BSL Assembler Code
          1. 2.3.1.1 Save DCO Calibration Data
          2. 2.3.1.2 Linker Command File
            1. 2.3.1.2.1 Locating the Linker Command File
            2. 2.3.1.2.2 Modify Linker File
            3. 2.3.1.2.3 Force the IDE to Use Custom Linker File
          3. 2.3.1.3 Project Settings
        2. 2.3.2 User Application
      4. 2.4 BSL Operation
        1. 2.4.1 Hardware Setup
        2. 2.4.2 Connection to Host
          1. 2.4.2.1 Determining COM Port
          2. 2.4.2.2 Setup of COM Port
        3. 2.4.3 Operate BSL - Standard Sequence
        4. 2.4.4 Create New Code to Download Through BSL
          1. 2.4.4.1 Create Custom Application
          2. 2.4.4.2 Save Calibration Data
          3. 2.4.4.3 Make User Application Code a BSL Update File
            1. 2.4.4.3.1 Using CCS
            2. 2.4.4.3.2 Using IAR
          4. 2.4.4.4 Obtaining XOR Checksum
            1. 2.4.4.4.1 Send User Data
            2. 2.4.4.4.2 Read Checksum
            3. 2.4.4.4.3 Send Acquired Checksum
            4. 2.4.4.4.4 Verify Data
            5. 2.4.4.4.5 Save Checksum
        5. 2.4.5 Getting Ready for Production
    4. 3 Frequently Asked Questions (FAQ)
  2.   Revision History

1.3.3.2 BSL Functions Supported in the Default Setting Project

By default, the BSL functions have to be separated into use cases, so that the build will fit in into 2kB. Under BSL_Device_File.h, the use cases are defined. User can replace the required functions under each use cases during compilation.

#define PROGRAMMING_FUNCTIONS //#define MEMORY_READING_FUNCTIONS //#define OTHER_FUNCTIONS #ifdef PROGRAMMING_FUNCTIONS #define SUPPORTS_RX_PASSWORD #define SUPPORTS_ERASE_SEGMENT #define SUPPORTS_TOGGLE_INFO #define SUPPORTS_RX_DATA_BLOCK #define SUPPORTS_CRC_CHECK #endif #ifdef MEMORY_READING_FUNCTIONS #define SUPPORTS_RX_PASSWORD #define SUPPORTS_TX_DATA_BLOCK #define SUPPORTS_CRC_CHECK #endif #ifdef OTHER_FUNCTIONS #define SUPPORTS_RX_DATA_BLOCK_FAST #define SUPPORTS_TX_BSL_VERSION #define SUPPORTS_MASS_ERASE #define SUPPORTS_LOAD_PC #endif
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