Tesla - Wake on CAN

artifacts/package_sources/panda/board/drivers/can_common.h

@@ -11,6 +11,10 @@ can_health_t can_health[PANDA_CAN_CNT] = {{0}, {0}, {0}};
 bool ignition_can = false;
 uint32_t ignition_can_cnt = 0U;
 
+// Wake (bootkick) the device from CAN messages, without engaging ignition
+bool wake_on_can = false;
+uint32_t wake_on_can_cnt = 0U;
+
 // set only once a Toyota SecOC hybrid gear source is positively identified: those cars keep
 // the harness ignition line live in Park, so the reported line has to follow the gear instead
 bool ignition_can_gates_line = false;
@@ -229,6 +233,10 @@ void ignition_can_hook(CANPacket_t *msg) {
         bool tesla_in_park = !tesla_gear_seen || (tesla_gear == TESLA_DI_GEAR_P);
         ignition_can = (power_state == 0x3) && !tesla_in_park;  // VEHICLE_POWER_STATE_DRIVE=3
         ignition_can_cnt = 0U;
+        // Also bootkick the device on any non-OFF LV power state (e.g. Tesla
+        // app wake / preconditioning), so sunnypilot is loaded before driving
+        wake_on_can = power_state != 0x0;  // not VEHICLE_POWER_STATE_OFF
+        wake_on_can_cnt = 0U;
       }
       prev_counter_tesla = counter;
     }