Revise CameraHandler documentation

Updated documentation for the CameraHandler component, including usage examples, port descriptions, commands, and requirements.

Author: RobertPendergrast

FprimeZephyrReference/Components/CameraHandler/docs/sdd.md

@@ -1,42 +1,30 @@
 # Components::CameraHandler
 
-passive component that handles camera specific payload capabilities
+Passive component that handles camera specific payload capabilities.
+  - Taking Images
+  - Pinging
 
 ## Usage Examples
-Add usage examples here
-
-### Diagrams
-Add diagrams here
+The camera handler can be commanded to take an image, after which it will forward a command to the PayloadCom component. It will then read in data from the PayloadCom until the image has finished sending.
 
 ### Typical Usage
-And the typical usage of the component here
-
-## Class Diagram
-Add a class diagram here
+Prior to taking a picture, the payload power loadswitch must be activated. Then "PING" the camera with the ping command. If the PING command returns successfully, then the camera is ready to take an image. 
 
 ## Port Descriptions
 | Name | Description |
-|---|---|
-|---|---|
+|commandOut|Command to forward to the PayloadCom component|
+|dataIn|Data received from the PayloadCom component|
 
 ## Component States
 Add component states in the chart below
 | Name | Description |
-|---|---|
-|---|---|
-
-## Sequence Diagrams
-Add sequence diagrams here
-
-## Parameters
-| Name | Description |
-|---|---|
-|---|---|
+|m_receiving|True when the camera is currently receiving image data|
 
 ## Commands
 | Name | Description |
-|---|---|
-|---|---|
+|PING|Send a ping to the camera - wait for a response|
+|TAKE_IMAGE|Send "snap" command to the payload com component|
+|SEND_COMMAND|Send a user-specified command to the payload com component|
 
 ## Events
 | Name | Description |
@@ -57,10 +45,12 @@ Add unit test descriptions in the chart below
 ## Requirements
 Add requirements in the chart below
 | Name | Description | Validation |
-|---|---|---|
-|---|---|---|
+|CameraHandler-001|The CameraHandler has a command to take an image. |Manual Test|
+|CameraHandler-002|The CameraHandler has a command to "ping" the camera. |Manual Test|
+|CameraHandler-003|The Camera Handler forwards the commands to the PayloadCom Component.|Manual Test|
+|CameraHandler-004|The Camera Handler receives all image data bytes and saves them to a new file.|Manual Test|
 
 ## Change Log
 | Date | Description |
 |---|---|
-|---| Initial Draft |
+|---| Initial Draft |