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Technical Support On-Line Manuals µVision User's Guide About µVision User Interface Creating Applications Utilities Debugging Using the Debugger Simulation Start Debugging Application Program Execution Debug Windows and Dialogs Breakpoints Window Call Stack and Locals Window Code Coverage Command Window Disassembly Window Event Viewer Logic Analyzer Setup Setup in Detail Restrictions Memory Map Memory Window Performance Analyzer Registers Window Serial Window Symbols Window System Viewer System and Thread Viewer Thread States Toolbox Watch Window Expressions Constants System Variables Peripheral Variables I/O Ports Serial Ports Program Variables (Symbols) Fully Qualified Symbols Non-Qualified Symbols Literal Symbols Using Symbols Line Numbers Bit Addresses Type Specifications Operators Memory Type Specifiers Differences between µVision and C Expression Examples Tips and Tricks Review Peripherals and CPU Configuration Simulate I/O Ports Simulate Interrupts and Clock Inputs Simulate external I/O Devices Assign Serial I/O to a PC COM Port Check Illegal Memory Access Command Input from File Preset I/O Ports or Memory Contents Write Debug Output to a File Keyboard Shortcuts Prevent Opening Files Debug Commands Debug Functions Simulation Flash Programming Dialogs Example Programs Command Line Appendix |
Expression ExamplesThe following expressions were entered in the Command page of the Output Window. All applicable output is included with each example. The MEASURE example program were used for all examples. Constant>0x1234 /* Simple constant */ 0x1234 /* Output */ >EVAL 0x1234 4660T 11064Q 1234H '...4' /* Output in several number bases */ Register>R1 /* Interrogate value of register R1 */ 0x000A /* Address from ACC = 0xE0, mem type = D: */ >R1 = --R7 /* Set R1 and R7 equal to value R7-1 */ Function Symbol>main /* Get address of main() from MEASURE.C */ 0x00233DA /* Reply, main starts at 0x233DA */ >&main /* Same as before */ 0x00233DA >d main /* Display: address = main */ 0x0233DA: 76 E2 00 04 76 E3 00 04 - 66 E3 FF F7 E6 B6 80 00 v...v...f...... 0x0233EA: E6 B7 00 00 E6 5A 40 00 - E6 D8 11 80 E6 2A 3C F6 .....Z@......*< 0x0233FA: E6 28 3C F6 E6 CE 44 00 - BF 88 E6 A8 40 00 BB D8 .(<...D.....@.. 0x02340A: E6 F8 7A 40 CA 00 CE 39 - E6 F8 18 44 CA 00 CE 39 ..z@...9...D... Address Utilization Examples>&\measure\main\cmdbuf[0] + 10 /* Address calculation */ 0x23026 >_RBYTE (0x233DA) /* Read byte from code address 0x233DA */ 0x76 /* Reply */ Symbol Output Examples>dir \measure\main /* Output symbols from main() in module MEASURE */ R14 idx . . . uint /* Output */ R13 i . . . uint 0x0002301C cmdbuf . . . array[15] of char Program Counter Examples>$ = main /* Set program counter to main() */ >dir /* points to local mem sym. from main() */ R14 idx . . . uint /* Output */ R13 i . . . uint 0x0002301C cmdbuf . . . array[15] of char Program Variable Examples>cmdbuf /* Interrogate address from cmdbuf */ 0x0002301C /* Output of address due to aggregate type (Array)*/ >cmdbuf[0] /* Output contents of first array element */ 0x00 >i /* Output contents from i */ 0x00 >idx /* Output contents from idx */ 0x0000 >idx = DPP2 /* Set contents from index equal to register DPP2 */ >idx /* Output contents from idx */ 0x0008 Line Number Examples>\163 /* Address of the line number #104 */ 0x000230DA /* Reply */ >\MCOMMAND\91 /* A line number of module MCOMMAND */ 0x000231F6 Operator Examples>--R5 /* Auto-decrement also for CPU registers */ 0xFE >mdisplay /* Output a PUBLIC bit variable */ 0 >mdisplay = 1 /* Change */ >mdisplay /* Check result */ 1 Structure Examples>save_record[0] /* Address of a record */ 0x002100A >save_record[0].time.hour = DPP3 /* Change struct element of records */ >save_record[0].time.hour /* Interrogation */ 0x03 µVision Debug Function Invocation Examples>printf ("µVision is coming!\n") /* String constant within printf() */ µVision is coming! /* Output */ >_WBYTE(0x20000, _RBYTE(0x20001)) /* Read & Write Memory Byte */ > /* example useful in debug functions */ >interval.min = getint ("enter integer: "); Fully Qualified Symbol Examples>--\measure\main\idx /* Auto INC/DEC valid for qualified symbol */ 0xFFFF Fully Qualified Symbol Examples for Cortex-MBS \\cpp_template\../../source/RVCT/STM32F10x.s\146, 1 BS \\cpp_template\_numeric.CC\293, 1 | ||||||||||
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