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µVision3 User's Guide
µVision3 Overview
User Interface
Creating Applications
Utilities
Debugging
Debug Commands
Debug Functions
Creating Functions
Invoking Functions
Predefined Functions
__acos
__asin
__atan
__cos
__exp
__log
__log10
__sin
__sqrt
__tan
_RBYTE
_RDOUBLE
_RDWORD
_RFLOAT
_RWORD
_sleep_
_TaskRunning_
_WBYTE
_WDOUBLE
_WDWORD
_WFLOAT
_WWORD
exec
execf (Cortex-M)
F32ToRawF16
F32ToRawF32
F64ToRawF64
getdbl
getint
getlong
memset
printf
rand
RawF16ToF32
RawF32ToF32
RawF64ToF64
rwatch
swatch
twatch
wwatch
User Functions
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Differences Between µVision3 and C
Differences Between µVision3 and dScope
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Command Line
Appendix
Predefined Functions
µVision3 includes a number of predefined debug functions that are always available for use. They cannot be redefined or deleted. Predefined functions are provided to assist the user and signal functions you create.
The following table lists all predefined µVision3 debug functions.
| Return | Name | Parameter | Description |
|---|---|---|---|
| void | exec | ("command_string") | Execute Debug Command |
| double | getdbl | ("prompt_string") | Ask the user for a double number |
| int | getint | ("prompt_string") | Ask the user for a int number |
| long | getlong | ("prompt_string") | Ask the user for a long number |
| void | memset | (start_addr, value, len) | Fill memory with constant value |
| void | printf | ("string", ...) | Works like the ANSI C printf function |
| int | rand | (int seed) | Return a random number in the range 0 to 32767 |
| void | rwatch | (ulong address) | Delay execution of signal function until read access to address |
| void | swatch | (float seconds) | Delay execution of signal function for specified time |
| void | twatch | (ulong states) | Delay execution of signal function for specified number of CPU states |
| void | wwatch | (ulong address) | Delay execution of signal function until write access to address |
| uchar | _RBYTE | (address) | Read char on specified memory address |
| uint | _RWORD | (address) | Read short int on specified memory address |
| ulong | _RDWORD | (address) | Read long on specified memory address |
| float | _RFLOAT | (address) | Read float on specified memory address |
| double | _RDOUBLE | (address) | Read double on specified memory address |
| int | _TaskRunning_ | (ulong func_address) | Checks if the specified task function is the current running task. Only available if a DLL for RTX Kernel Awareness is used. |
| double | _sleep_ | (ulong milli_seconds) | Delay script execution for a specified time |
| void | _WBYTE | (address, uchar val) | Write char on specified memory address |
| void | _WWORD | (address, uint val) | Write short int on specified memory address |
| void | _WDWORD | (address, ulong val) | Write long on specified memory address |
| void | _WFLOAT | (address, float val) | Write float on specified memory address |
| void | _WDOUBLE | (address, double val) | Write double on specified memory address |
| double | __acos | (double x) | Calculate arc cosine |
| double | __asin | (double x) | Calculate arc sine |
| double | __atan | (double x) | Calculate arc tangent |
| double | __cos | (double x) | Calculate cosine |
| double | __exp | (double x) | Calculate exponential function |
| double | __log | (double x) | Calculate natural logarithm |
| double | __log10 | (double x) | Calculate common logarithm |
| double | __sin | (double x) | Calculate sine |
| double | __sqrt | (double x) | Calculate the square root |
| double | __tan | (double x) | Calculate tangent |
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