Silicon Laboratories TOOLSTICK EK User's Manual
Contents
1. 7 In the Module 2 WDT tab uncheck Enable Watchdog Timer 8 Click OK The initialization code is inserted in a new function PCA_Init This function can be directly inserted in to a final project Configuration Wizard 2 can be used the configure the oscillators port pins and other peripherals in a similar man ner The Peripherals menu of Configuration Wizard is customized based on the device family and part number The options in the menu show which peripherals are supported More information regarding any peripheral can be found in the device family s respective data sheet 8 Information Locations Example source code is installed in the C SiLabs MCU Demos ToolStick directory during IDE installation Documentation for the ToolStick kit including this User s Guide can be found in the C SiLabs MCU Demos Tool Stick Documentation folder 6 Rev 0 2 s SILICON LABORATORIES ToolStick EK 9 Schematic IN 241929 a G31 Z Od 031 Z Od Ca WEN e 031 0d WI a34 Y3dNS 4 a34 Y3dns a N3349 a N3349 A a ta za q A vd l l 1 1 cv cv Sot Sot D zy EN vy 29 204 ano YLSANO 9 0d Xu S 0d EZE KEN X1 0d A ZIVLX 0d A LIWLX 2 0d lOd 43YA 0 0d 00A DO 41S080 zn OOE A 037 XY3JMOd ai SS z NAVV WM ty MOTT3A OND SANSA 90 3 N T Sei LHVa2. If one of the steps leads to an error make sure that the ToolStick is properly inserted in a USB port and start again with step 3 5 2 Running and Stopping Code Execution Once the IDE is connected to the device and the firmware is loaded the IDE can start and stop the code execution The following steps can be performed using the buttons on the toolbar or using the options in the Debug menu 1 To start code execution click the green Go button on the toolbar or use the Debug Go menu option The green and red LEDs on the ToolStick will start to alternately flash The debug commands on the IDE single step multiple step set breakpoint and others are disabled when the device is running 2 To stop code execution click the red Stop button on the toolbar or use the Debug Stop menu option The device will halt code execution and all of the registers and pin on the device will hold their state When the ToolStick firmware is stopped one of the LEDs will be on and the other will be off All debug windows and watch windows are refreshed when the device is stopped If any of the values in these win dows have changed since the last time the device was halted the new value is shown in red text instead of black text 5 3 Viewing and Modifying Registers All registers on the device can be viewed and modified when the device is in a halt state The registers are grouped together according to which peripheral or part of hardware th
3. In the context menu that appears select Insert Remove Breakpoint On the left side of the line in the editor window a red circle is added to indicate a breakpoint is placed on the source line 3 Click the Go button or select the Debug Go menu option 4 After a short time the IDE will show that the device is halted A blue line will be placed in the editor window to indicate where the code execution has stopped 5 Start the processor a few more times Notice that the LEDs blink once for every time the processor is started and the T2_Overflow_Counter also increments by one 4 Rev 0 2 S SILICON LABORATORIES ToolStick EK 5 6 Single Stepping Through Firmware The IDE supports the ability to single step through firmware one assembly instruction at a time The IDE reads the Flash from device converts the instructions to assembly and displays them in a disassembly window The following steps show how to open the disassembly window and single step through firmware 1 Ifa breakpoint is not already set on the line of code that increments the T2_Overflow_Count variable set the breakpoint using the steps described in Section 5 5 2 Start the processor using the Go button and wait until it stops on the breakpoint 3 Select View gt Debug Windows Disassembly The disassembly window will appear on the right hand side of the IDE if it is not already open 4 To execute one assembly instruction at a ti
4. ToolStick EK SILICON LABORATORIES TOOLSTICK USER S GUIDE 1 Kit Contents The ToolStick kit contains the following items e ToolStick e Silicon Laboratories Evaluation Kit IDE and Product Information CD ROM CD content includes Silicon Laboratories Integrated Development Environment IDE e Keil Software 8051 Development Tools evaluation assembler linker and C compiler e Source code examples and register definition files e Documentation e Demo software e ToolStick User s Guide this document 2 ToolStick Overview The purpose of the ToolStick is to provide a way to easily evaluate the Silicon Laboratories Integrated Development Environment IDE and the on chip debug capabilities of the microcontrollers The ToolStick is a fully contained evaluation board The target microcontroller on the board is a Silicon Laboratories C8051F300 The target device is connected to a C8051F320 microcontroller which provides a USB debug interface between the PC and the target device The ToolStick enumerates as a Human Interface Device and so drivers are not necessary to communicate with the device For more information regarding the C8051F300 see the C8051F 30x data sheet Two of the digital I O pins on the target C8051F300 microcontroller are connected to two pairs of LEDs These LEDs provide feedback for the user The ToolStick kit includes two example programs that make use of the LEDs These examples are detailed in Sections 5 an
5. ard 2 Options When Configuration Wizard 2 is opened the program lists the device families that it supports Based on the target device first select the device family and then the specific part number The default source file that appears initially includes the header file for the device As the initialization code is gen erated for each hardware peripheral it is added to source file Configuration Wizard 2 can output the initialization code in either C or assembly The selection between C and assembly is done using the Options gt Code Format menu option S Rev 0 2 5 SILICON LABORATORIES ToolStick EK 7 2 Generating Initialization Code As an example the following steps show how to generate initialization code for the Programmable Counter Array module on a C8051F300 The code generated is similar to the PWM PCA initialization example code described in Section 6 1 Open Configuration Wizard from the Start gt Programs gt Silicon Laboratories menu 2 Select C8051F30x as the Device Family and C8051F300 as the Part Number 3 Select the Peripherals PCA menu option The top part of the new window has the peripheral options The lower part shows the initialization code 4 Inthe PCAO tab select Enable PCAO Notice the code that is inserted in the bottom half of the window 5 In the Module 0 tab select 8 bit Pulse Width Modulator 6 In the Module 1 tab select 8 bit Pulse Width Modulator
6. d 6 of this User s Guide Figure 1 shows the ToolStick without the plastic case and identifies the various components C8051F321 Green and provides USB Red LEDs debug interface SILICON LABS et CE E gt Sc 03 LED P0 2 LED TAE LE i TOOLS ICK eat Debug LED pee cast C8051F300 Target Device Figure 1 ToolStick Board Rev 0 2 10 05 Copyright 2005 by Silicon Laboratories ToolStick ToolStick EK 3 Software Setup The included CD ROM contains the Silicon Laboratories Integrated Development Environment IDE Keil software 8051 tools and additional documentation Insert the CD ROM into your PC s CD ROM drive An installer will automatically launch allowing you to install the IDE software or read documentation by clicking buttons on the Installation Panel If the installer does not automatically start when you insert the CD ROM run autorun exe found in the root directory of the CD ROM 4 Silicon Laboratories Integrated Development Environment IDE The Silicon Laboratories IDE integrates a source code editor source level debugger and in system Flash pro grammer The use of third party compilers and assemblers is also supported This kit includes the Keil Software A51 macro assembler BL51 linker and evaluation version C51 C compiler These tools can be used from within the Silicon Laboratories IDE 4 1 System Requirements The Silicon Laboratories IDE requirements e Pentium class host PC running Mic
7. e0SOdS WN ano en DI M4 e f ar 929 0 a ONO SCT CH z e bz o X0709 18 030 NYO NYD wn etd EN ED td LU T dee a ZA A E Zi Te LV d0 LS ND ST pr Wed gin OL 38019 OM ONS tr y T Sig hfe ta ek 1nd ZIv0c SL 4 S sg Z ZIv0cH Zt SE SNBA 8 S os SNBA L SAGA Jm CET BL CL INS NNOD Sen vg oi 6l 5 5 Versen 7 o mal NI93Y ou ee Z DI DI 19Z9 1S 9 0d ZLvazo EN aay on EN vod CO ZO Z rod za1373 C aa r004 aan 2900 12 415089 in wb ZS A Ag e 91IN OL 3S079 dY3 20 Con OL 38019 39Vld Ag E Rev 0 2 LABORATORIES SILICON ToolStick EK CONTACT INFORMATION Silicon Laboratories Inc 4635 Boston Lane Austin TX 78735 Tel 1 512 416 8500 Fax 1 512 416 9669 Toll Free 1 877 444 3032 Email MCUinfo silabs com Internet www silabs com The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice Silicon Laboratories assumes no responsibility for errors and omissions and disclaims responsibility for any consequences resulting from the use of information included herein Additionally Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Silicon Laboratories makes no warranty rep resentation or guarantee regarding the suitability of its products for any particula
8. ey belong As an example this guide shows how to open the Ports Debug Window and modify the status of the port pins directly from the IDE 1 Open the Ports Debug Window from the View gt Debug Windows SFR s gt Ports menu option The Ports Debug Window appears on the right hand side of the IDE The logic value of the Port 0 pins is stored in the PO register If the value of PO is OxF7 port pin PO 2 is high and the red LEDs on the ToolStick are on and the green LEDs are off If the value of PO is OxFB port pin P0 3 is high and the green LEDs are on and the red LEDs are off 2 To enable both LEDs at the same time the logic level of pins P0 2 and P0 3 need to be high In the Ports Debug Window double click on the PO value to move the cursor Change the value of PO to OxFF then select Debug gt Refresh This will write the value of OxFF directly to the Port 0 pins and the pins will reflect the value immediately This can be confirmed by looking at the ToolStick 3 Click on the Go button or select Debug Go The device will resume execution and the LEDs will con tinue to blink synchronously 4 Click on the Stop button 5 In the Ports Debug Window change the value of PO to OxF7 or OxFB and then click the Refresh button This will have the LEDs blink alternately as before s Rev 0 2 3 SILICON LABORATORIES ToolStick EK Changing the values of registers does not require recompiling the code or redow
9. ight of the name 4 Start and stop the device a few times See that the value of the T2_Overflow_Count is incremented each time the LEDs blink 5 When the device is halted click on the value field in the watch window and change the value to 0 Then click the Refresh button or select Debug Refresh to write the new value to the device 6 Start and stop the device a few times to watch the variable increment starting from 0 Changing the values of variables does not require recompiling the code or redownloading the firmware At any time the device can be halted and the values of the variables can be changed The firmware will continue execu tion using the new values 5 5 Setting and Running to Breakpoints The Silicon Laboratories microcontroller devices support up to four hardware breakpoints A breakpoint is associ ated with a specific line of code When the processor reaches a hardware breakpoint the code execution stops and the IDE refreshes all debug and watch windows The on chip debug hardware allows for breakpoints to be placed on any line of executable code including code in Interrupt Service Routines This section provides steps to set a breakpoint on the line of source code that increments the T2_Overflow_Count variable 1 Ifthe device is running stop execution using the Stop button or use the Debug Stop menu option 2 Scroll to the bottom of the source file and right click on the variable T2_Overflow_Count
10. lities The Blink_LED example code alternately turns on the red and green LEDs on the ToolStick board The following steps describe how to connect and download the firmware view and modify registers use watch windows use breakpoints and single step through code 2 Rev 0 2 S SILICON LABORATORIES ToolStick EK 5 1 Connecting to the Device and Downloading Firmware This section describes how to open the IDE open and build a project connect to a device and download the firmware 1 Open the Silicon Laboratories IDE from the Start gt Programs gt Silicon Laboratories menu 2 Connect the ToolStick to a USB port on the PC 3 Inthe IDE go to Project gt Open Project 4 Browse to C SiLabs MCU Demos ToolStick Blink_LED 5 Select Blink_LED wsp and click OK 6 Inthe IDE select Project gt Rebuild Project 7 Go to Options Connection Options 8 Select USB Debug Adapter for the Serial Adapter and C2 for the Debug Interface and then click OK 9 Go to Debug Connect 10 Download the code using the download button on the menu bar or use alt D Once these steps are completed the firmware is built into an object file step 6 and downloaded to the device step 10 The device is now ready to begin executing code If all of these steps were followed successfully the Go option is enabled in the Debug menu A green circle icon in the IDE toolbar also indicates that the device is ready to run
11. me click the Step button on the toolbar or select the Debug gt Step menu option The highlighted line in the disassembly window indicates the next instruction to be exe cuted The blue line marker in the editor window will stay on the same C source line until all of the assem bly instructions are completed The disassembly window has three columns The left column is the address of the instruction in Flash The middle column is the instruction in hex The right column is the disassembled instruction The Disassembly debug window and the capability to single step through firmware allows a developer to see exactly what instructions are executed and their output 6 PWM Demo In addition to the demo Blink_LED example software the ToolStick CD also includes a demo project named PWM_LED This demo firmware uses the hardware Programmable Counter Array modules on the C8051F300 in 8 bit PWM mode to drive the LEDs on the ToolStick The project and source files for the demo can be found in the C SiLabs MCU Demos ToolStick PWM folder 7 Configuration Wizard 2 Configuration Wizard 2 helps accelerate development by automatically generating initialization source code to con figure and enable the on chip resources needed by most design projects Configuration Wizard 2 is installed as part of the demo installation This chapter of the User s Guide describes the basic features and capabilities of Configuration Wizard 2 7 1 Configuration Wiz
12. nloading the firmware At any time the device can be halted and the values of the registers can be changed The firmware will continue execu tion using the new values This capability greatly speeds up the debugging process The debug windows for the other sets of registers are found in the View gt Debug Windows SFR s menu 5 4 Enabling and Using Watch Windows The Debug Windows in the View menu are used to view and modify hardware registers To view and modify vari ables in code the IDE provides watch windows Just as with register debug windows variables in the watch win dows are updated each time the device is halted This section of the User s Guide explains how to add a variable to the watch window and modify the variable The variable T2_Overflow_Count is a counter that stores the number of times the LEDs blink 1 If the device is running stop execution using the Stop button or use the Debug Stop menu option 2 Inthe File View on the left hand side of the IDE double click on BLINK_LED c to open the source file The source file might already be open 3 Scroll to the bottom of the source file and right click on the variable T2_Overflow_Count In the context menu that appears select Add T2_Overflow_Count to Watch and then choose Default On the right hand portion of the IDE the watch window appears and the T2_Overflow_Count variable is added The current value of the variable is shown to the r
13. r purpose nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation conse quential or incidental damages Silicon Laboratories products are not designed intended or authorized for use in applications intended to support or sustain life or for any other application in which the failure of the Silicon Laboratories product could create a situation where per sonal injury or death may occur Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap plication Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders 8 Rev 0 2 SILICON LABORATORIES
14. rosoft Windows 98SE Windows 2000 or Windows XP e One available USB port e 64 MB RAM and 40 MB free HD space recommended 4 2 Assembler and Linker A full version Keil A51 macro assembler and BL51 banking linker are included with the kit and are installed during IDE installation The complete assembler and linker reference manual can be found on line under the Help menu in the IDE or in the SiLabs MCU hIp directory A51 pdf 4 3 Evaluation C51 C Compiler An evaluation version of the Keil C51 C compiler is included with the kit and is installed during IDE installation The evaluation version of the C51 compiler is the same as the full professional version except code size is limited to 2 kB and the floating point library is not included The C51 compiler reference manual can be found under the Help menu in the IDE or in the SiLabs MCU hIp directory C51 pdf 4 4 3rd Party Toolsets The ToolStick demos are written for the Keil toolset that is provided on the CD The Silicon Laboratories IDE has native support for many other 8051 compilers The full list of natively supported tools is e Keil e Raisonance e Tasking e Hi Tech e SDCC e IAR e Dunfield 5 Blink_LED Demo The ToolStick kit includes two simple code examples The first example is titled Blink LED The purpose of this example is to guide a new user through the features and capabilities of the IDE and demonstrate the microcontroller s on chip debug capabi
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