Use DO_PARACHUTE command to pop parachute

mavsdk_wrapper.cpp

@@ -173,7 +173,7 @@ int updateLogAndProjection(void) {
             << position.latitude_deg << ";" << position.longitude_deg << ";"
             << position.absolute_altitude_m << ";" << position.relative_altitude_m << ";"
             << telemetry->attitude_euler().yaw_deg << ";"
-            << metrics.velocity_m_s << ";" << metrics.climb_rate_m_s;
+            << metrics.airspeed_m_s << ";" << metrics.climb_rate_m_s;
         log(oss.str());
 
         if (projected_destination.latitude != 0 || targeted_destination.latitude != 0) {
@@ -294,8 +294,8 @@ int triggerParachute(void) {
 
     log("Landing...");
     MavlinkPassthrough::CommandLong command;
-    command.command = MAV_CMD_DO_FLIGHTTERMINATION;
-    command.param1 = 1; //see https://mavlink.io/en/messages/common.html#MAV_CMD_DO_FLIGHTTERMINATION
+    command.command = MAV_CMD_DO_PARACHUTE;
+    command.param1 = 2; //see https://mavlink.io/en/messages/common.html#PARACHUTE_ACTION
     command.target_sysid = mavlink_passthrough->get_target_sysid();
     command.target_compid = mavlink_passthrough->get_target_compid();
     return doMavlinkCommand(command, "Parachute release failed");