Debugger SDI target interface manual
Contents
1. Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc The Debugger Status Bar for the SDI 157600 Backgnd 8 00D O00 MC68HC81244 Breakpoint Once you have loaded the SDI target component the debugger status bar gives specific informa tion From left to right this information is the serial communication baud rate the running mode the target E clock frequency and the current MCU Id Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc SDI Target Component Menu Entries Load Reset Communication Set MCU Set MCU Speed Memory Map Loading an Application Choose SDI Load to load the application you want to debug such as a ABS file Communication Baud Rate You should specify the baud rate for host computer to SDI communication early in a session The system operates most efficiently at the maximum baud rate that the host computer supports The debugger sets this baud rate automatically when it starts communication with the SDI However you can modify this baud rate as text below explains Communication Select SDI Communication to display the dialog box below If you know the maximum rate your host supports use the drop down control to select that rate The SDI does not support 115200 Otherwise select 57600 If communication fails the debugger automat2. To run the SDI with the MC68HC912B32EVB You do not need to set any jumpers If necessary software can download the ROM monitor program directly to the processor EEP ROM Please see as well Motorola s SDJ INTERFACE USER S MANUAL and MC68HC912B32EVB manual Connection between SDI and HC12B32EVB Boards such as the HC12A4EVB have a 10 pin BDM male connector But boards such as the HC12B32EVB have a 6 pin BDM male connector For a 6 pin board connector use the 6 pin female connector of the SDI ribbon cable Note that the ribbon cable red wire wire number 1 does not extend to the 6 pin connector The 6 pin connector wires are 4 through 9 Accordingly cable wire number 4 must connect to pin 1 of the HC12B32EVB BDM in W9 connector The number 1 beside the BDM in connector identifies pin 1 Another way to identify pin 1 of the connector is to note the square solder pad under the connector on the top side of the board Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Power Supply The SDI INTERFACE USER S MANUAL section 2 INTERFACE HOOKUPS explains the SDI standard interface hook up low voltage interface hook up and alternative hook up conversions Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc SDI COMMANDS This section explains the commands specific to the SDI Use these
3. MODA jumper W34 must connect pins 1 and 2 5 The MODB jumper W42 must connect pins 1 and 2 Software setup to be inserted in the RESET CMD file of your current project directory wb 0x000B OxFO MODE forces Normal Exp Wide mode wb 0x000B OxFO this forcing Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc must be done twice wb 0x0011 0x00 INITRG wb 0x0010 0x08 INITRM wb 0x0012 0x11 INITEE move on chip EPROM from F000 fy to 1000 I Note Motorola s hardware setup steps 4 and 5 force the HC12A4 operating mode to Single Chip This enables starting the background debugger Subse quently you must force by software as shown above in the RESET CMD file the Expanded Wide mode to access the 16 kilobytes of on board RAM C000 FFFF After the setup above the new SDI memory map is 0000 S01FF CPU registers on chip MCU 0800 SOBFF user data area 1 Kilobyte on chip RAM MCU 1000 S1FFF user code area 4 Kilobyte on chip EEPROM MCU C000 SFFFF user code data area 16 Kilobytes external RAM U4 USA Please see as well Motorola s SDJ INTERFACE USER S MANUAL and MC68HC812A4EVB manual The SDI installation disk includes demo programs you can load and run all these demos with the SDI and on the MC68HC812A4EVB MC68HC912B32EVB Evaluation Board This EVB supports an HC912B32 processor
4. Motosil The MotoSIL driver Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc automatically detects the SDI target connection to your system However if the driver detects nothing an error message informs you that the target is not connected or that the target is con nected to a different port A Communication Configuration dialog appears so that you can set the correct baud rate and communication port parameter values Please see the Communication Con figuration section below If the PROJECT INI file target setting is incorrect load the SDI driver From the main menu select Component Set Target as shown below Then choose MotoSIL from the list of possible targets Component Set Target Fonts The MotoSIL driver automatically ties to find the SDI target behaves as described above for automatic detections If MotoSIL does not detect any target the MotoSIL menu remains in the main menu bar LOGO Component i 1 Load Reset Connect After successful target loading the SDI menu replaces the Target or MotoSIL menu Load Reset Communication Set MCU Set MCU Speed Memory Map Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Communication Configuration In most situations the debugger uses its default values to set c
5. Note Uninvolved Components As an external MCU executes the code the SDI cannot provide memory statistics This means that you cannot use the SDI for profiling coverage analysing watchpoints or I O simula tion Interfacing Your System and a Target Motorola designed the SDI around a serial communication link Any available communication device of your system PC or SUN supports the SDI The SDI target driver fully handles the communication protocol between the SDI and your system loading the SDI target component automatically includes loading the SDI target driver The target hardware must have a BDM connector for connection to the SDI You can set the baud rate Please see the SDI Default Environment section The diagram below shows the BDM port 6 pin connector BGND not connected not connected Vec Reset Ground SDI to target system communication is serial Motorola defines the communication protocol in the CPU 12 Reference Manual section 8 Development and Debug Support However you do not need to know this protocol to conduct an SDI debugging session The target system supplies power to the SDI provided that target system power conforms to the TTL norm If it does not the SDI should have its own supply Please refer to the SDI hardware manual SDJ INTERFACE USER S MANUAL from Motorola Loading the SDI Target Usually the PROJECT INT file specifies the target Target
6. commands as you would any others typing them in the Command Line component or inserting them into a command file For further details about commands please see the debugger manual appendix Debugger Com mands as well as the section Command Line Component BAUD Short Description sets the communication baud rate Syntax BAUD rate rate Specifies the new baud rate must be one of these decimal integer constants 1200 2400 4800 9600 19200 28800 38400 57600 Description The BAUD command sets or displays the baud rate for communication between the system con troller and the host computer For maximum performance the baud rate should be as high as the host computer can accommodate The maximum rate is 57600 the default baud rate is 9600 Without a rate value the command displays the Communications Baud Rate Specification dialog box for interactive rate selection If the host computer cannot support the requested rate an Out of synchronization alert box appears Select the RETRY option to retry communication at 9600 baud Select the ABORT option to exit to the operating system You also may use the menu to open the baud rate dialog box example BAUD 57600 Changes the communication baud rate to 57600 the maximum rate Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc RESET Short Description resets the emulation processor Syntax RES
7. the environment variable line Example HWBPMODULEADR 0x20 This example shows the value to be used for the M68HC12B32 Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Note The SDI supports only two hardware breakpoints at the same time Addi tional breakpoints must software breakpoints Note If you debug code in FLASH memory do not set more than two breakpoints Note Actions such as stepping over and stepping out use one internal break point so restrict you to just one hardware breakpoint Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Running Motorola s EVBs with the SDI E MCU 1 0 and Bus Signal Connector ail Memory cus jj 3 4 yi gi 2 z Power Supply Connector MCU Socket Serial Connector M68HC12A4EVB Evaluation Board Introduction You can use the SDI with any target system that has a background debug mode BDM connector such as a Motorola evalution boards EVB Please see the section Interfacing Your System and a Target MC68HC812A4EVB Evaluation Board This EVB supports an HC12A4 processor Hardware setup taken from the Motorola HC12A4EVBUM D hardware manual Appendix F to run the SDI with the MC68HC812A4EVB 1 Remove the CSD jumper from header W11 2 Move the CSPO jumper to W11 pins 2 and 3 3 Remove the BKGD jumper W30 4 The
8. 0 M MC68HC812A4EVB 16 MC68HC912B32EVB 17 MCU 3 MCU selection 12 Memory Map 13 Motosil 7 P Power Supply 18 Profiling 4 PROJECT INI 7 Protocol 4 11 R RESET 20 RESET CMD 14 S SDI3 Connection 6 Interfacing 4 Loading 14 Memory Configuration 13 Menu entries 10 Power supply 4 Reset command file 14 Startup file 14 Target Configuration 10 SDI driver 4 Serial communication 4 SHOWPROT 7 Simulation 4 STARTUP CMD 14 Status Bar 9 System interfacing 4 www freescale com 24 Freescale Semiconductor Inc T Target 3 Target Setup 7 W Watchpoint 4 For More Information www freescale com
9. ET Description The RESET command resets the emulator and the emulation processor The system does not exe cute the reset command file RESET CMD TARGETRESET Short Description resets the SDI target interface Syntax TARGETRESET Description The TARGETRESET command Resets the target interface Resets the emulation processor Initializes the debugger program counter to the reset vector value and Executes the reset command file RESET CMD Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc 21 Contents SDI Target Component 3 Introduction bee Se Ba et er eh e e ue 3 Interfacing Your System and a Target 4 Loading the SDI Target 4 Communication Configuration 6 Default Target Setup 7 Motorola ESL Parameters 7 EEPROM Programming 8 The Debugger Status Bar for the SDI 9 SDI Target Component Menu Entries 10 Loading an Application 10 Communication Baud Rate 10 MCU Select aici cnet aii Ra quentes cities quse E RO acess heated 12 E clock FreQuency serso eR ere eer eter tor
10. Freescale Semiconductor Inc Debugger Serial Debug Interface SDI target Copyright 1987 2003 Metrowerks For More Information www freescale com Debugger Freescale Semiconductor Inc Product Manual Manual Date Debugger SDI 6 Aug 2003 Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc SDI Target Component Introduction An advanced feature of this debugger for the embedded system development world is the ability to load different Framework targets This document introduces the SDI Serial Debug Interface The SDI is a Motorola interface that the debugger uses to communicate with an external system also called a target system 6 Pin BDM Connector 10 Pin BDM Connector DB 25 Serial Connector With this interface you can download an executable program from the environment The destination of this program is an external target system based on a Motorola MCU that executes the program the debugger receives feedback of real target system behavior The debugger fully supervises and monitors the target system MCU That is the debugger con trols the CPU execution You can read and write in internal or external memory even when the Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc CPU is running single step run or stop the CPU and set breakpoints in the code
11. UDRATE This parameter specifies the communication baud rate between the host computer and the target The default is 9600 baud but you may set any of these baud rates 1200 2400 4800 9600 19200 28800 38400 57600 115200 Example BAUDRAUTE 19200 SHOWPROT This parameter controls reporting of commands and responses in the com mand line window The SHOWPROT value 0 specifies not reporting commands and responses The Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc SHOWPROT value 1 specifies reporting commands and responses The Show Protocol checkbox of the Communication Device Specification dialog box is another way to control this feature Please see the section Communication Configuration Communication Device Specification EEPROM Programming To download code or data into on chip EEPROM the debugger must know the EEPROM address range Use environment variables EEPROM START and EEPROM END to convey this informa tion EEPROM START specifies the address of the first byte of EEPROM EEPROM END specifies the address of the last byte of EEPROM Example EEPROM START 0x0D00 EEPROM_END 0xFFF This example specifies EEPROM in the memory range 0xD000 to OxOFFF During writes to these addresses EEPROM programming automatically downloads a program to modify memory or variables interactively Note You cannot use these environment variables to program FLASH memory
12. Use these controls to make any appropriate changes The control selections are from the file MDSEMCU INI If the drop lists do not include the name or MCU ID you want you must update your installation The debugger saves your selections to be the defaults for your next session E clock Frequency To specify the E clock frequency choose SDI Set MCU Speed This opens the Set MCU Speed dialog box Set MCU Speed Lx E Clock Frequency 8000000 Hz Search Use Search to search for a valid frequency Cancel Help This dialog box shows the E clock frequency that the MCU is to use typically half the oscillator frequency The SDI must know the E clock frequency for proper BDM communication You can type a specific frequency in the edit box Optionally you can click the Search button to have the debugger test communication with several frequencies in this order 8 MHz 4 MHz 2 MHz 1 MHz 500 kHz 250 kHz 125 kHz 62 5 kHz 6 MHz 3 MHz 1 5 MHz 750 kHz 375 kHz 187 5 kHz 93 75 kHz 46 875 kHz 7 MHz 3 5 MHz 1 75 MHz 875 kHz 437 5 kHz 218 75 kHz 109 375 kHz 54 687 kHz 5 MHz 2 5 MHz 1 25 MHz 625 kHz 312 5 kHz 156 25 kHz 78 125 kHz 39 062 kHz 32 768 kHz 16 384 kHz If the debugger cannot verify communication a message so informs you At startup the debugger uses the specified frequency Should this frequency fail and if you have checked the Auto detect checkbox the debugger tries to find an appropriate
13. e e teen Rt Re t CR RS eem 12 Memory Configuration 13 SDI Target Startup File 14 SDI Reset Command File 14 Loading the SDI Component 14 On chip Hardware Breakpoint 14 Running Motorola s EVBs with the SDI 16 Introduction cru er eR Rx de de rn Ea LES 16 MC68HC812A4EVB Evaluation Board 16 MC68HC912B32EVB Evaluation Board 17 Power Supply Jiu is censire sre e e aa ot 18 SDI COMMANDS ss eir aw RES EE na BAUD e ue e eee dak ee d ode Re d 19 RESET rice i i re aaa 20 TARGETRESET iii de 20 DITS CS os hae oe aan For More Information www freescale com 22 Freescale Semiconductor Inc For More Information www freescale com Index Freescale Semiconductor Inc 23 Index B BAUD 19 Baud Rate 6 10 BAUDRATE 6 7 BDM 17 BDM connector 4 Breakpoint 14 15 C COMDEV 6 7 Communication 4 10 Communication Baud Rate 10 Communication Configuration 6 Communication device 6 Connection between SDI and EVBs 17 Coverage 4 D Data Format 6 DEFAULT ENV 6 14 E E clock frequency 12 EEPROM Programming 8 EEPROM END 8 EEPROM START 8 EVB 16 F FLASH 8 H Hardware Breakpoint 14 HWBPMODULEADR 14 For More Information YO 4 L Loading an application 1
14. frequency The debugger saves your selections to be the defaults for your next session M Auto detect Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Memory Configuration To view the memory layout choose SDI Memory Map This opens the Memory Configuration dialog box Memory Configuration Lx m Configuration File W project PROG MEM 003COV01 mem Open FN Auto select according to MCU4d 0x3C0 Save m Memory Type Statt End Comment MEMORY TOP AN MEMORY RAM EEPROM 1000 1FFF MEMORY_EEPROM RAM 8000 FFBF MEMORY RAM 10 FFCO FFFF MEMORY_TOP Start oo End BFF Type Ram 7 Comment MEMORY_RAM Add Update Delete Cancel Help This dialog box shows the default memory configuration for the MCU being used Check the Auto select box to have the system load this setup automatically The system reads memory layout information from the specific MCU personality file The personality file decomposition is 00nnnVvv MEM nnn is the 3 digit hexadecimal representation of the MCUid and vv is the version number The system looks up the personality file in the PROG MEM subdirectory of your installation Note In this product version the Memory Configuration dialog box only displays the default memory layout Copyright 1987 2003 Metrowerks Debugger For More Informa
15. ically reduces the baud rate communication succeeds with the host computer Communication Device Specification Communication Device Baud Rate 38400 i Cancel Help Maximum Baud Rate The maximum baud rate depends on the speed and interrupt load of the host computer For slow notebook computers or for computers running in a network the maximum baud rate may be as low as 19200 A buffered I O card may allow the maximum rate of 57600 for any host computer The default value is 9600 Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Show Protocol 1f you check the Show Protocol checkbox the system reports all com mands and responses in the command line window Note Motorola or Metrowerks support personnel use this feature Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc MCU Selection To specify the MCU choose SDI Set MCU This open the MCU Selection dialog box MCe8HCS1 2B32 MCU ID osci z In order to perform some operations the MCU type connected to the SDI has to be set corectly Please select the MCU which fits the connected MCU If your MCU is not listed in the box above ask for the updated configuration files Cancel Help This dialog box contains drop list combo controls for the name and MCU ID of the currently selected MCU
16. ommunication with SDI automati cally In case of any problem the dialog box below appears so that you can correct settings Make sure that your host computer parameter values are correct make sure that the serial com munication setting is correct Communication Device If your host and target are not connected or if the connec tion is not via the expected device this dialog box appears Communication Device Specification r Communication Device Baud Rate 3600 Show Protocol Cancel Help Type the name of an available communication device in the Communication Device edit box use the drop down control to set the baud rate then click Connect The default communication device is COM1 If the debugger cannot establish connection with the specified device a mes sage box lets you try a different communication device Once communication succeeds the debugger saves the communication device as the default for a later debugging session To exit the dialog box and the environment click Cancel Note Saving the communication device and the baud rate through this dialog box overrides environment variables BAUDRATE and COMDEV of the DEFAULT ENV file Data Format The SDI data format is 8 data bits 1 stop bit no parity and a variable baud rate The default speed is 9600 baud unless you change this default via the Target menu selection SDI Communication please see the dialog box below Communica
17. tion www freescale com Freescale Semiconductor Inc SDI Target Startup File The debugger executes startup command file STARTUP CMD right after the system loads the SDI target driver This file must be in the working directory You can use any command in this file taking advantage of the large set of commands that Core Debugger User guide introduces Example of startup cmd file contents wb 0x0035 0x00 wb 0x0012 0x11 SDI Reset Command File Choose Reset from the Target SDI menu to execute SDI reset command file RESET CMD This file must be in the working directory You can use any command in this file Note Entering the RESET command in the Command Line does NOT execute the reset command file Loading the SDI Component The debugger target component monitors the SDI interface Loading the SDI target component includes loading the SDI driver Load the SDI target component through the PROJECT INT file Alternatively go to the main menu select Component Set Target then choose Motosil The debugger base installation does not include installation of the SDI target DLL On chip Hardware Breakpoint You can use an on chip hardware breakpoint module implement breakpoints To do so you must initialize the environment variable HWBPMODULEADR in the DEFAULT ENV file with the address of the hardware breakpoint module Make sure that the line is not in a remark If you will not use hardware breakpoints you may remove
18. tion speeds of 1200 through 57600 baud are available depending on the host compu ter hardware Copyright 1987 2003 Metrowerks Debugger For More Information www freescale com Freescale Semiconductor Inc Default Target Setup As with any target you can use the Target menu to load the SDI target component or you can set the SDI target as a default in the PROJECT INI file This file should be in the working direc tory Example of PROJECT INI file DEFAULTS Window0 Source 0 0 50 40 Windowl Assembly 50 0 50 40 Window2 Register 50 140 50 30 Window3 Memory 50 70 50 30 Window4 Data 0 40 50 25 Window5 Command 0 65 50 20 Window6 Module 0 85 50 15 Target Motosil Motorola ESL COMDEV COM2 BAUDRATE 57600 SHOWPROT 1 Note Please see the core debugger manual for more information about the PROJECT INI file Motorola ESL Parameters In normal use you set these parameters in the PROJECT INI file once interactively during installation You use these parameter values in subsequent debugging sessions COMDEV This parameter specifies the host computer communication port COMI is the default communication device for PCs dev ttya is the default communication device for UNIX systems To set a different device follow the appropriate pattern For a PC Any valid communication device COM1 COM2 etc Example COMDEV COM2 For SUN Any valid communication device dev ttya etc Example comdev dev ttyb BA
Download Pdf Manuals
Related Search