Manual HI-WAVE SDI Target Interface
Contents
1. 20 P wer Supply ARR ee O O EE Aa ER O E A des 21 Apendix see bas EE EC CREUSE RES CE ER SDI Commands iude 3 64684 se LE io selle eee ESE 23 T ac ooo ween we wee ese E E EEE Copyright 1997 HIWARE HI WAVE O Copyright 1997 HIWARE HI WAVE SDI Target Component 5 SDI Target Component Introduction Another advanced feature of HI WAVE for the embedded system development world is the ability to load different Framework targets The SDI Serial Debug Interface is introduced in this document The SDI is an interface developed by Motorola and used by HI WAVE to commu nicate with an external system also called 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 HI WAVE environment to an external target system based on a Motorola MCU which will exe cute it You will also have the feedback of the real target system behavior to HI WAVE HI WAVE will fully supervise and monitor the MCU of the target system 1 e con trol the CPU execution You can read and write in internal external memory even when the CPU is running single step run stop the CPU set breakpoints in the code Note Unconcerned Components As the code is executed by an external MCU memory statistics are not available with the SDI target com ponent Therefore Profiling Coverage analyzing watchpoints and 1 0 sim ulation will not2. 2 Move the CSPO jumper on WII to pins 2 3 3 Remove the BKGD jumper W30 4 The MODA jumper W34 must shortcut the pin 1 and pin 2 5 The MODB jumper W42 must shortcut the pin 1 and pin 2 e Software setup to be inserted in the RESET CMD file of your current project directory O Copyright 1997 HIWARE HI WAVE 20 Running Motorola s EVBs with the SDI wb 0x000B OxFO MODE forcing the Normal Exp Wide mode wb 0x000B OxFO this forcing must be done twice wb 0x0011 0x00 INITRG wb 0x0010 0x08 INITRM wb 0x0012 0x11 INITEE move on chip EEPROM from F000 27 to 1000 Note You will notice that the hardware setup steps 4 and 5 given by Motorola force the HC12A4 operating mode to Single Chip this to enable to start the background debugger Then you must force by software as shown above in the RESET CMD file the Expanded Wide mode to be able to access the on board 16 Kbytes RAM mapped from C000 to SFFFF After the setup given above the new SDI memory map 0000 01FF CPU registers on chip MCU 0800 SOBFF user data area 1 Kbyte on chip RAM MCU 1000 S1FFF user code area 4 Kbyte on chip EEPROM MCU SCOOO SFFFF user code data area 16 Kbytes external RAM U4 USA Please see also the SDI hardware manual SDI INTERFACE USER S MANUAL from Motorola and the MC68HC812A4EVB manual from Motorola All demo programs delivered on the SDI installation disk can be loaded and run with SDI on the EVB Boa
3. HI WAVE 22 Running Motorola s EVBs with the SDI O Copyright 1997 HIWARE HI WAVE Appendix 23 Appendix SDI Commands BAUD Short Description sets the communication baud rate Syntax BAUD rate rate Specifies the new baud rate and must be an integer constant with one of the following specific values decimal 1200 2400 4800 9600 19200 28800 38400 57600 Description The BAUD command sets or displays the baud rate for communication between the system controller and the host computer For maximum performance the baud rate should be set as high as the host computer can accommodate The maximum rate is 57600 the default baud rate 1s 9600 If no baud rate is entered the command displays the Communications Baud Rate Specification dialog window for interactive selection of the baud rate If the host computer is unable to support the requested baud rate an Out of synchronization alert dialog box with two options is displayed If the ABORT option is selected the host software exits to windows If the RETRY option is chosen the 9600 baud rate is used The baud rate dialog window can also be selected from the menu example BAUD 57600 Changes the communication baud rate to 57600 the maximum rate O Copyright 1997 HIWARE HI WAVE 24 SDI Commands RESET Short Description resets the MCU Syntax RESET GO STOP where GO starts the target processor after reset and STOP does NOT star
4. the next session E clock Frequency Choose SDI Set MCU Speed to open this dialog m E Clock Frequency 8000000 Hz Search Use Search to search for a valid frequency Cancel Help This dialog show the current setting of the E clock frequency to be used by the MCU This frequency has to be known by the SDI for proper communication through the BDM This is typically half of the oscillator frequency IV Auto detect In the Edit box you can specify the frequency to be used When Select is clicked the debugger tries to verify the communication and if it fails it will search for a valid frequency in the following 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 O Copyright 1997 HIWARE HI WAVE SDI Target Component 15 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 communication could not be verified a message will be displayed At startup the debugger will use the specified freguency When it fails and the check box Auto detect is checked it will also try to find a fitting freguency If it was not possible to establish proper communication an error message will be displayed followed by this dialog Selections will be saved and used as default for
5. the next session Memory Configuration Choose SDI Memory Map to open this dialog Memory Configuration Lx Configuration File W project PROG MEM O003COV01 mem Open IV Auto select according to MCU Id Ox3C0 Save Memory Type Statt End Comment MEMORY TOP MEMORY EEPROM RAM 8000 FFBF MEMORY RAM 10 FFCO FFFF MEMORY TOP Start 800 End BFF Type RAM Comment MEMORY RAM Add Update Delete Cancel Help This dialog shows the default configuration for the configured MCU This setup is automatically loaded if the Auto select box is checked The information about the memory layout is read from the MCU specific personality file The personality file can be decomposed in the following way O0nnnVvv MEM where nnn is the hexadecimal representation of the MCUid 3 digits and vv is the version number O Copyright 1997 HIWARE HI WAVE 16 SDI Target Component Menu Entries This file is looked up in the PROG MEM subdirectory of your installation Note At the moment this dialog is just used to display the default memory layout Therefore it is not possible to modify this configuration and all buttons are disabled except Ok Cancel and Help buttons O Copyright 1997 HIWARE HI WAVE SDI Target Component 17 SDI Target Startup File The startup command file STARTUP CMD is executed by HI WAVE straight after the S
6. your system However if nothing is detected an error message pops up and inform you that the target is not connected or is connected to a different port A Communication Configuration dialog pops up and you can set yourself the correct parameters bau Copyright 1997 HIWARE HI WAVE SDI Target Component 7 rate and communication port Please see the following section Communication Configuration If no target is set in the PROJECT INI file or if a different target is set you can load the SDI driver selecting in the main menu Component Set Target as shown below and choose MotoSIL in the list of proposed targets Target ete Window Help Open Set Target Fonts Background Color The MotoSIL driver tries automatically to find the SDI target and behaves as described above for automatic detections When MotoSIL does not detect any target the MotoSIL item remains in the main menu bar as shown below Component Connect After an successful target loading the Target or MotoSIL menu item is replaced by SDI Load Reset Communication Set MCU Set MCU Speed Memory Map Copyright 1997 HIWARE HI WAVE 8 Communication Configuration Communication Configuration In a general way the communication between HI WAVE and SDI is set automati cally In case of communication setup default a dialog pop ups and lets the user set the communication param
7. 0 Hardware Breakpoint 17 Simulation 5 HI WAVE STARTUP CMD 17 Status Bar 11 System interfacing 6 HWBPMODULEADR 17 O Copyright 1997 HIWARE HI WAVE 26 T Target 5 Target Setup 9 W Watchpoint 5 O Copyright 1997 HIWARE HI WAVE
8. DI target driver has been loaded This file must be located in the working directory You can use any HI WAVE command in this file and take advantage of the wide set of commands introduced in the HI WAVE Userguide Example of a startup cmd file content wb 0x0035 0x00 wb 0x0012 0x11 SDI Reset Command File The SDI reset command file RESET CMD is executed when choosing Reset in the Target SDI menu This file must be located in the working directory You can use any HI WAVE command in this file Note This file is NOT executed by the RESET command when entered in the Com mand Line component Loading the SDI Component The SDI interface is monitored by the HI WAVE target component The driver of the SDI is loaded when loading the SDI target component The SDI target DLL is not included in the HI WAVE base installation The SDI target component is loaded through PROJECT INI or through Component Set Target and choosing Motosil On chip Hardware Breakpoint An on chip hardware breakpoint module can be used to implement breakpoints To invoke this module to take advantage of hardware breakpoints it is necessary to ini tialize the environment variable HWBPMODULEADR in the DEFAULT ENV file O Copyright 1997 HIWARE HI WAVE 18 On chip Hardware Breakpoint with the address in memory of the hardware breakpoint module Make sure that the line is not in remark If not using hardware breakpoints and the associated module simply r
9. HI WAVE serial Debug Interface SDI target Product Manual Manual Date HI WAVE SDI 10 97 v2 2 O Copyright 1997 HIWARE HI WAVE Contents SDI Target Component 5 Introduction 222 x Ere Thin ke es sac se EET srebT SEEKS 5 Interfacing Your System and a Target 6 Loading the SDI Target its ds Rex ER ERE REUS 6 Communication Configuration 8 Default Target Setup 25 046 Less eERERREIRS SEES ERST ous 9 Motorola ESL Parameters 9 EEPROM Programming io diauesteeaauedded aval dod trenky n cote ewes 10 The HI WAVE Status Bar for the SDI 11 SDI Target Component Menu Entries 12 Loading an application cies added REPE desde oies 12 Communications Baud Rate 12 MCU Selection ess aos dir oS equos ibat sare uk 14 E GIODCE Frequency RP O O O O bacs O dr ge iod 14 Memory Configuration cec aia R3 E DER AE Rd ER ERE ah Ra 15 SDI Target Startup File isa zo 5086 late co NR eR k BOA 17 SDI Reset Command File 4r Res 17 Loading the SDI Component 44 282 RR RR RERERT RARO 17 On chip Hardware Breakpoint 17 Running Motorola s EVBs with the SDI 19 MirOdCUON 5e O ud eee er wane 19 MC68HC812A4EVB Evaluation Board 19 MC68HC912B32EVB Evaluation Board
10. I 157600 Backgnd 8000000 MCESHCB12A4 Breakpoint Z When the SDI target component has been loaded specific information are given in the HI WAVE status bar From the left to the right are displayed the baudrate of the serial communication the HI WAVE running mode the E clock frequency of the target and also the current MCU Id O Copyright 1997 HIWARE HI WAVE 12 SDI Target Component Menu Entries SDI Target Component Menu Entries Load Reset Communication Set MCU Set MCLI Speed Memory Map Loading an application Choose SDI Load to load the application to debug i e a ABS file Communications Baud Rate The baud rate at which the host computer communicates with the SDI should be chosen early in a session because the system most efficiently operates when the baud rate is at the maximum supported by the host computer This baudrate is set automatically when HI WAVE starts to communicate with the SDI However you can modify this baudrate as explained below Communication Select entry SDI Communication to display the dialog box shown below If you know the maximum rate your host supports select it with the drop down control 115200 is not supported on SDI Otherwise select 57600 If communication fails the baud rate is automatically reduced until communication works with the host computer Communication Device Specification Communication Device OM2 Bau
11. d Rate 38400 m IV Show Protocol Cancel Help Maximum Baud Rate The maximum baud rate depends on the speed and on the Copyright 1997 HIWARE HI WAVE SDI Target Component 13 interrupt load of the host computer On slow notebook computers or on 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 on any host computer The default value is 9600 Show Protocol If the Show Protocol box is checked all the commands and responses sent and received are reported in the command line window Note This feature is used by support personnel from Motorola or Hiware Copyright 1997 HIWARE HI WAVE 14 SDI Target Component Menu Entries MCU Selection Choose SDI Set MCU to open this dialog wcesHcst2832 Meu4p ox i In order to perform some operations the MCU type connected to the SDI has to be set correctly 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 allows you to select the MCU currently used There are two drop list Combo controls They show the currently selected MCU name and MCU ID The information will be taken from the file MDSEMCU INI If a specific MCU is not found in this file the user is advised to update his installation The selection will be saved and used as default for
12. emove this line Example HWBPMODULEADR 0x20 This example shows the value to be used for the M68HC12B32 Note The SDI hardware breakpoint can only handle 2 breakpoints at the same time Additional breakpoints will be considered as software breakpoints Note If you are debbuging your code in FLASH you should not set more than 2 breakpoints Note Some actions like stepping over or stepping out use one internal breakpoint and therefore reduce your amount of hardware breakpoint to I O Copyright 1997 HIWARE HI WAVE SDI Target Component 19 Running Motorola s EVBs with the SDI MCU 1 0 and Bus Signal Connectors afi Memory Sockets UT Il n i Power Supply Connector MCU Socket Serial Connector M68HC12A4EVB Evaluation Board Introduction The SDI can be used together with any target system which is eguipped with a Background Debug connector BDM Motorola s Evalution Boards also called EVB are equiped with this BDM connector and therefore can be connected to the SDI interface Please see also section Interfacing Your System and a Target MC68HC812A4EVB Evaluation Board This Evaluation Board for the HC12 from Motorola is prepared to work with the SDI and therefore has a BDM connector It supports a HC12A4 processor Hardware setup taken from the HCIZAEVBUM D hardware manual from Motorola Appendix F to run the SDI with the MC68HC812A4EVB 1 Remove the jumper on header W11 from CSD
13. eters Make sure that the parameters on your host computer are correctly configured Check that the serial communication device used is set correctly otherwise any communication between HI WAVE and the target is impossible Communication Device If host and target are not connected or the connec tion is not via the communication device expected a dialog box pops up in HI WAVE as shown below Communication Device Specification m Communication Device Baud Rate 9600 v Show Protocol Cancel Help Choose an available communication device type it in the Communication Device edit box set the Baud Rate with the drop down control and click Connect This command only tries the communication device that you chose If no connection can be established a message box is displayed and then you can try a new communica tion device Eventually the communication device chosen is saved for a later debug ging session When clicking Cancel the dialog box and the environment can be quit The default device is COMI Note The communication device and the baud rate saved through this dialog override environment variables BAUDRATE and COMDEV of the DEFAULT ENV file Data Format The data format used is 8 data bits 1 stop bit no parity and varia ble baud rate The default speed is 9600 baud unless redefined using the menu entry SDI Communication in the Target menu please see dialog below Communication speed
14. rd MC68HC912B32EVB Evaluation Board This Evaluation Board for the HC12 from Motorola is prepared to work with the SDI and therefore has a BDM connector It supports a HC912B32 processor To run the SDI with the MC68HC912B32EVB You do not need to set any jumper The ROM monitor program can be directly downloaded by software to the proces sor EEPROM if necessary Please see also the SDI hardware manual SDI INTERFACE USER S MANUAL and the MC68HC912B32EVB manual from Motorola Copyright 1997 HIWARE HI WAVE SDI Target Component 21 Connection between SDI and HC12B32EVB Some boards have a 6 pin BDM male connector and some have a 10 pin BDM male connector HC12A4EVB HCI2B32EVB boards have a 6 pin BDM male connector Only the 6 pin female connector of the ribbon cable link between SDI and EVB is used On the ribbon cable the red wire is the wire number 1 Note that it is only used with the 10 pin connector The 6 pin link connector uses wires 4 to 9 The wire number 4 must match the pin 1 of the EVB board BDM in W9 connector Pin 1 of the male BDM in connector of EVB boards is identified by the number 1 written on the board or by a square pad cupper side of the board under the connec tor Power Supply Standard Interface Hookup Low Voltage Interface Hookup and Alternative Hookup Conversions are precisely described in SDI INTERFACE USER S MAN UAL section 2 INTERFACE HOOKUPS O Copyright 1997 HIWARE
15. s tem and the host system running HI WAVE is preset to the default of 9600 bauds and may be overwritten by one of the following baud rates 1200 2400 4800 9600 19200 28800 38400 57600 115200 Example BAUDRAUTE 19200 SHOWPROT This variable is set to 0 or 1 1 to show the communication proto col 0 to hide it at the first communication attempt with the target In the Communi cation Device Specification dialog you can check the Show Protocol checkbox to decide if you want to display the communication protocol in a terminal window This option is saved under the SHOWPROT variable Please see section Communication Configuration Communication Device Specifi cation EEPROM Programming In order to download code or data into the onchip EEPROM HI WAVE has to know the location of this EEPROM To tell HI WAVE the location of this EEP ROM define the following two environment variables EEPROM START defines the address of the first byte of the EEPROM memory EEPROM END defines the address of the last byte of the EEPROM memory Example EEPROM START 0x0D00 EEPROM END 0OxFFF specifies the EEPROM in the memory range OxD000 to OxOFFF When writing to these addresses the EEPROM is automatically programmed to download a pro gram or to modify interactively the memory or the variables Note The FLASH cannot be programmed this way Copyright 1997 HIWARE HI WAVE SDI Target Component 11 The HI WAVE Status Bar for the SD
16. s from 1200 to 57600 baud are available depending on the hardware capabilities of host O Copyright 1997 HIWARE HI WAVE SDI Target Component 9 Default Target Setup As any other target the SDI target component can be loaded from the Target menu or can be set as a default target in the PROJECT INI file which should be located in the working directory Example of PROJECT INI file DEFAULTS Window0 Source 0 0 50 4 Windowl Assembly 50 0 50 4 Window2 Register 50 140 50 30 Window3 Memory 507 X0 0 30 Window4 Data 0 40 50 25 Window5 Command D 65 50 0 Window6 Module 85 50 15 Target Motosil Motorola ESI COMDEV COM2 BAUDRATE 57600 SHOWPROT 1 Note For further information about the PROJECT INI file please see HI WAVE manual Motorola ESL Parameters Under normal usage these parameters are once interactively set at installation in the PROJECT INI file and used in the future debugging sessions COMDEV This parameter specifies the communication device to be used between host and MMEVS COM1 is the default communication device for PCs and dev ttya for UNIX systems The following list is not conclusive 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 Copyright 1997 HIWARE HI WAVE 10 Default Target Setup BAUDRATE The Baud Rate of the serial communication between the target sy
17. t the target processor after reset Description The RESET command resets the emulator and the emulation processor If STOP is specified the target processor is reset but stays halted If GO is specified the target processor starts running immediately after the reset and no further initialization is performed RESET CMD is NOT executed If no parameter is specified the reset is done in the same way as any previous reset command This is also true if you perform a reset from the target menu e g choos ing SDI Reset After the reset is asserted the RESET CMD command file is executed O Copyright 1997 HIWARE HI WAVE Index 25 Index I O 5 L B Loading an application 12 BAUD 23 Baud Rate 8 12 M BAUDRATE 8 9 10 MC68HC812A4EVB 19 BDM 21 MC68HC912B32EVB 20 BDM connector 6 MCU 5 Breakpoint 17 18 MCU selection 14 Memory Map 15 Motosil 9 C COMDEV 8 9 Communication 6 12 P Communication Baud Rate 12 Power Supply 21 Communication Configuration 8 Profiling 5 Communication device 8 PROJECT INI 9 Connection between SDI and EVBs 21 Protocol 6 13 Coverage 5 D R RESET 24 Data Format 8 RESET CMD 17 DEFAULT ENV 8 17 u S SDI 5 E clock frequency 14 Connection 8 EEPROM Programming 10 Interfacing 6 EEPROM END 10 Loading 17 EEPROM START 10 Memory Configuration 15 EVB 19 Menu entries 12 Power supply 6 F Reset command file 17 Startup file 17 FLASH 10 Target Configuration 12 SDI driver 6 Serial communication 6 H SHOWPROT 1
18. work with the SDI O Copyright 1997 HIWARE HI WAVE 6 Interfacing Your System and a Target Interfacing Your System and a Target The SDI interface is designed around a serial communication link It is supported by any available communication device of your system PC or SUN The commu nication protocol between the SDI and your system is fully handled by the SDI Tar get driver which is automatically loaded with the SDI Target Component The target hardware has to be equiped with a BDM connector which connects the SDI You can set the baudrate Please see section SDI Default Environment The BDM port 6 pin connector is shown below BGND not connected vy 1 3 5 ak not connected E Vcc Reset Ground The SDI target system communication is serial The communication protocol is defined by Motorola in the CPU 12 Reference Manual section 8 Development and Debug Support However the user does not need to know this protocol to run an SDI debugging session The SDI is powersupplied by the target system This power supply must be con formed to the TTL norm If not the SDI should have its own supply Please also refer to the SDI hardware manual SDJ INTERFACE USER S MANUAL from Motorola Loading the SDI Target Usually the target is set in the PROJECT INI file where Target Motosil The MotoSIL driver detects automatically that the SDI target is connected to
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