Remove unused variables in PD stack

source/Core/Drivers/FUSB302/policy_engine.cpp

@@ -25,11 +25,9 @@ bool                              PolicyEngine::pdNegotiationComplete;
 int                               PolicyEngine::current_voltage_mv;
 int                               PolicyEngine::_requested_voltage;
 bool                              PolicyEngine::_unconstrained_power;
-union pd_msg                      PolicyEngine::currentMessage;
 uint16_t                          PolicyEngine::hdr_template;
 bool                              PolicyEngine::_explicit_contract;
 int8_t                            PolicyEngine::_hard_reset_counter;
-int8_t                            PolicyEngine::_old_tcc_match;
 uint8_t                           PolicyEngine::_pps_index;
 osThreadId                        PolicyEngine::TaskHandle = NULL;
 uint32_t                          PolicyEngine::TaskBuffer[PolicyEngine::TaskStackSize];
@@ -45,6 +43,7 @@ StaticEventGroup_t                PolicyEngine::xCreatedEventGroup;
 bool                              PolicyEngine::PPSTimerEnabled      = false;
 TickType_t                        PolicyEngine::PPSTimeLastEvent     = 0;
 uint8_t                           PolicyEngine::_tx_messageidcounter = 0;
+
 void PolicyEngine::init() {
   messagesWaiting = xQueueCreateStatic(PDB_MSG_POOL_SIZE, sizeof(union pd_msg), ucQueueStorageArea, &xStaticQueue);
   // Create static thread at PDB_PRIO_PE priority
@@ -65,7 +64,6 @@ void PolicyEngine::pe_task(const void *arg) {
   // Internal thread loop
   hdr_template = PD_DATAROLE_UFP | PD_POWERROLE_SINK;
   /* Initialize the old_tcc_match */
-  _old_tcc_match = -1;
   /* Initialize the pps_index */
   _pps_index = 0xFF;
 

source/Core/Drivers/FUSB302/policy_engine.h

@@ -76,16 +76,12 @@ private:
   static int  current_voltage_mv;   // The current voltage PD is expecting
   static int  _requested_voltage;   // The voltage the unit wanted to requests
   static bool _unconstrained_power; // If the source is unconstrained
-  // Current message being handled
-  static union pd_msg currentMessage;
   /* PD message header template */
   static uint16_t hdr_template;
   /* Whether or not we have an explicit contract */
   static bool _explicit_contract;
   /* The number of hard resets we've sent */
   static int8_t _hard_reset_counter;
-  /* The result of the last Type-C Current match comparison */
-  static int8_t _old_tcc_match;
   /* The index of the first PPS APDO */
   static uint8_t _pps_index;