Setting break points. The F2 key is used to turn on or turn off (togg" />
參數(shù)資料
型號: 101-0360
廠商: Rabbit Semiconductor
文件頁數(shù): 11/80頁
文件大?。?/td> 0K
描述: KIT DEV RABBIT 2000 INT'L
標準包裝: 1
系列: RabbitCore 2000
類型: MPU 模塊
適用于相關(guān)產(chǎn)品: RCM2000,RCM2010,RCM2020
所含物品: RabbitCore 模塊、開發(fā)板、交流適配器、纜線和 Dynamic C? 光盤
其它名稱: 101-360
101-360-ND
User’s Manual
15
Setting break points. The F2 key is used to turn on or turn off (toggle) a break point at
the cursor position if the program has already been compiled. You can set a break point
if the program is paused at a break point. You can also set a break point in a program
that is running at full speed. This will cause the program to break if the execution
thread hits your break point.
Watch expressions. A watch expression is a C expression that is evaluated on command
in the watch window. An expression is basically any type of C formula that can include
operators, variables and function calls, but not statements that require multiple lines
such as for or switch. You can have a list of watch expressions in the watch window. If
you are single-stepping, then they are all evaluated on each step. You can also com-
mand the watch expression to be evaluated by using the <Ctrl-U> command. When a
watch expression is evaluated at a break point, it is evaluated as if the statement was at
the beginning of the function where you are single-stepping. If your program is running
you can also evaluate watch expressions with a <Ctrl-U> if your program has a
runwatch()
command that is frequently executed. In this case, only expressions
involving global variables can be evaluated, and the expression is evaluated as if it
were in a separate function with no local variables.
3.1.1.7 Cooperative Multitasking
Cooperative multitasking is a convenient way to perform several different tasks at the
same time. An example would be to step a machine through a sequence of steps and at the
same time independently carry on a dialog with the operator via a human interface. Coop-
erative multitasking differs from another approach called preemptive multitasking.
Dynamic C supports both types of multitasking. In cooperative multitasking each separate
task voluntarily surrenders its compute time when it does not need to perform any more
activity immediately. In preemptive multitasking control is forcibly removed from the task
via an interrupt.
Dynamic C has language extensions to support multitasking. The major C constructs are
called costatements, cofunctions, and slicing. These are described more completely in the
Dynamic C User’s Manual. The example below, sample program FLASHLEDS2.C, uses
costatements. A costatement is a way to perform a sequence of operations that involve
pauses or waits for some external event to take place. A complete description of costate-
ments is in the Dynamic C User’s Manual. The FLASHLEDS2.C sample program has two
independent tasks. The first task flashes LED DS2 2.5 times a second. The second task
flashes DS3 every 1.5 seconds.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
101-0360-000 制造商:ITT Interconnect Solutions 功能描述:1010360000 / 101-0360-000 / Circular
10-103-6-05 制造商:Concord Electronics Inc 功能描述:
101-0361 功能描述:觸覺開關(guān) TACTILE SWITCH 6X6MM RoHS:否 制造商:C&K Components 工作力:2 N 執(zhí)行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關(guān)功能: 安裝風(fēng)格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝:
101-0361-EV 功能描述:觸覺開關(guān) TACTILE SWITCH 6X6MM RoHS:否 制造商:C&K Components 工作力:2 N 執(zhí)行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關(guān)功能: 安裝風(fēng)格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝:
101-0362 功能描述:觸覺開關(guān) TACTILE SWITCH 6X6MM RoHS:否 制造商:C&K Components 工作力:2 N 執(zhí)行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關(guān)功能: 安裝風(fēng)格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝: