89 docs charge task (#99)

Fix: Added variables and function documentation

src/chargeTask.hpp

@@ -26,13 +26,32 @@ class ChargeTask : public Task{
     void init(void);
     /**
      * @brief Charges the device, and exits to CLI on command
-    */
+     * 
+     * @return STATE_CLI when CLI pattern entered or
+     * STATE_DEEP_SLEEP when device not charging
+     */
     STATES_e run(void);
     void exit(void);
 
     private:
+    /**
+     * @brief Buffer for storing command-line input
+     * 
+     * Character array holds input from CLI with a maxiumum size of 'CLI_BUFFER_LEN'
+    */
     char inputBuffer[CLI_BUFFER_LEN];
+    /**
+     * @brief LED status indicator for charging task
+     *
+     * Object defines visual status of device's charging state
+     */
     LEDStatus ledStatus;
+    /**
+     * @brief Timestamp for tracking start of charging process
+     * 
+     * startTime = 0 indicates the device charging since
+     * the powering on of the device
+     */
     system_tick_t startTime;
 };
 #endif