Requirement - Requirement_93
LED Button
While the button is pressed, the LED shall be on permanently.
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Requirement Model
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Blinking LED - (Requirement_32) LED Blink
- (Requirement_93) LED Button
- (Requirement_94) LED
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Unknown features- Complexity
Potential customers don't like the tool
Show most important features in an lightweight demo
(SafetyRequirement_93) Runnable activation by signal events- (SafetyRequirement_94) Global variables
- (SafetyRequirement_95) Runnable activation by cyclic events
- (SafetyRequirement_96) Inter-task communication
- (SafetyRequirement_97) local and global signals
- (SafetyRequirement_98) Multiple System-States
- (Requirement_95) UART
- (SafetyRequirement_110) Hardware Interfacing
- (SafetyRequirement_111) SignalLayer features
- (SafetyRequirement_115) Protection Sets
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Logical Function Model
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Software Model
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Hardware Model
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Testing Model
Diagrams
Requirements Model
Logical Function Model
Software units
Signals
Global variables
Activation Events
Hardware Model
Testing Model
Properties
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| Name | LED Button | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Type | Requirement |
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| Description | While the button is pressed, the LED shall be on permanently. |
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| User-ID | Requirement_93 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| UID | _PsUCkOc-EeyMHMAOoLxcsQ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Author | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Creation Date | Wed Jun 08 17:18:27 CEST 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Expense | 0.0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Responsibe | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Category | product | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Type | functional | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Status | implemented | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Tests | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Test | User-ID | Group | Priority | Status | Procedure and Input-Data | Expected Results | SIL | Requirements | Technical-Functions | Software-Units | Signals | Global variables | Activation-Events | Hardware-Components |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Check if the LED is permanent on if there is user-input from the button |
Test_133 | 0 | implemented | After a regular power-on, the button is pressed | The LED shall be permanently on while the button is pressed |
Technical Functions (1)
Technical functions this requirement is mapped to
| Function | LFB | Software | Hardware | Technical Functions | sub Technical Functions | Requirements | sub Requirements |
|---|---|---|---|---|---|---|---|
An LED shall blink to indicate that the system is alive and responding. |
Software units (1)
Software-Components this requirement is mapped to.
| Unit | Parent | Function calls | Technical Functions | Requirements | Type | Tasks | WCET | Stack | ROM | Globals | ProtectionSets | SIL req | SIL ach | sub Technical Functions (R) | sub Requirements (R) | Has a return value (R) | SystemStates (R) | Ingoing Trigger Ports (R) | Outgoing Trigger Ports (R) | Ingoing Data Ports (R) | Outgoing Data Ports (R) | Signals (D) | Runnables (D) | DataType (D) | Is Synchronous (D) | Hardware (D) | Ports (G) | Callers (F) | Return Type (F) | Parameters (F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Controls the LED signal and thus the LED |
 LED |
Runnable | 0 | 0 | 0 | - | QM | false |
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- | - | - | - | - | - | - | - | - |
Runnable_00_blink_Tick
Runnable_blink_Button_IN
Runnable_00_blink_OUT (Safety)Requirements refined by (1)
(Safety)Requirements refined by this Requirement.
| (Safety)Requirement | Parent | User-ID | Author | Creation Date | Start Date | Deadline | Expense | Responsibe | Category | Type | Status | Function Type | SIL derived | SIL manual | SIL effective | Tests | Technical Functions | Software | Hardware | Signals | Global variables | Activation events | Use-Cases | User-Stories | Refining | Conflicting | refined by | conflicted by |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
The LED on the Nucelo Board shall act as an simple demo. |
Requirement_94 | Thomas Barth | Wed Jun 08 17:23:11 CEST 2022 | 0.0 | Thomas Barth | product | non_functional | implemented | - | - | - | - |
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Functional Layer
Logical Function Blocks (3)
Logical Function Blocks which map to a technical function which is directly linked by this Safety Requirement.
| Function | Type | Technical functions |
|---|---|---|
An binary HMI |
Input | |
The MCU implementing the logic |
Service | |
An LED to indicate a binary state |
Output |
Testing Layer
Tests (1)
Tests associated with this Requirement.
| Test | User-ID | Group | Priority | Status | Procedure and Input-Data | Expected Results | SIL | Requirements | Technical-Functions | Software-Units | Signals | Global variables | Activation-Events | Hardware-Components |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Check if the LED is permanent on if there is user-input from the button |
Test_133 | 0 | implemented | After a regular power-on, the button is pressed | The LED shall be permanently on while the button is pressed |