add cp filter

Core/Src/serial.c

@@ -46,7 +46,6 @@ static uint8_t everest_timed_out = 0;
 static uint32_t last_everest_timeout_log_tick = 0;
 static uint32_t uart3_last_packet_tick = 0;
 static uint32_t uart3_last_reinit_tick = 0;
-static CP_State_t cp_state_buffer = EV_STATE_ACQUIRING;
 
 CCS_State_t CCS_State;
 CCS_EvInfo_t CCS_EvInfo;
@@ -144,9 +143,6 @@ void CCS_SerialLoop(void) {
 
     CCS_UART3_Watchdog();
 
-    /* Read CP once per loop and use buffered value below. */
-    cp_state_buffer = CP_GetState();
-
     if (CONN.connControl != CMD_NONE) {
         last_cmd = CONN.connControl;
     }