AP_Scripting: update so mavlink init intent matches behavior

RX message ID buffer sizes have been shrunk to the amount actually used.

Author: tpwrules

libraries/AP_Scripting/applets/Aerobatics/FixedWing/plane_aerobatics.lua

@@ -2309,8 +2309,8 @@ local function mavlink_receiver()
 
    msg_map[NAMED_VALUE_FLOAT_msgid] = "NAMED_VALUE_FLOAT"
 
-   -- initialise mavlink rx with number of messages, and buffer depth
-   mavlink.init(1, 10)
+   -- initialize MAVLink rx with buffer depth and number of rx message IDs to register
+   mavlink.init(10, 1)
 
    -- register message id to receive
    mavlink.register_rx_msgid(NAMED_VALUE_FLOAT_msgid)

libraries/AP_Scripting/applets/copter-slung-payload.lua

@@ -103,8 +103,8 @@ local GLOBAL_POSITION_INT_ID = 33
 local msg_map = {}
 msg_map[GLOBAL_POSITION_INT_ID] = "GLOBAL_POSITION_INT"
 
--- initialize MAVLink rx with number of messages, and buffer depth
-mavlink:init(2, 5)
+-- initialize MAVLink rx with buffer depth and number of rx message IDs to register
+mavlink:init(5, 1)
 
 -- register message id to receive
 mavlink:register_rx_msgid(GLOBAL_POSITION_INT_ID)

libraries/AP_Scripting/applets/follow-target-send.lua

@@ -43,8 +43,7 @@ local FOLT_ENABLE = bind_add_param("ENABLE", 1, 1)
 --]]
 local FOLT_MAV_CHAN = bind_add_param("MAV_CHAN", 2, 0)
 
--- initialize MAVLink rx with number of messages, and buffer depth
-mavlink:init(2, 5)
+-- mavlink:init(0, 0) -- we never receive, no need to init rx
 
 -- send FOLLOW_TARGET message
 local function send_follow_target_msg()

libraries/AP_Scripting/applets/mount-poi.lua

@@ -51,8 +51,7 @@ local last_roi_switch_pos = 0           -- last known rc roi switch position.  U
 local success_count = 0                 -- count of the number of POI calculations (sent to GCS in CAMERA_FEEDBACK message)
 
 -- mavlink message definition
--- initialise mavlink rx with number of messages, and buffer depth
-mavlink.init(1, 10)
+-- mavlink.init(0, 0) -- we never receive, no need to init rx
 local messages = {}
 messages[180] = { -- CAMERA_FEEDBACK
              { "time_usec", "<I8" },

libraries/AP_Scripting/examples/BQ40Z_bms_shutdown.lua

@@ -30,8 +30,8 @@ local MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN = 246
 local MAV_RESULT_ACCEPTED = 0
 local MAV_RESULT_FAILED = 4
 
--- Initialize MAVLink rx with number of messages, and buffer depth
-mavlink:init(1, 10)
+-- initialize MAVLink rx with buffer depth and number of rx message IDs to register
+mavlink:init(10, 1)
 -- Register message id to receive
 mavlink:register_rx_msgid(COMMAND_LONG_ID)
 -- Block MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN so we can handle the ACK

libraries/AP_Scripting/examples/MAVLink_Commands.lua

@@ -9,8 +9,8 @@ local msg_map = {}
 msg_map[COMMAND_ACK_ID] = "COMMAND_ACK"
 msg_map[COMMAND_LONG_ID] = "COMMAND_LONG"
 
--- initialize MAVLink rx with number of messages, and buffer depth
-mavlink:init(1, 10)
+-- initialize MAVLink rx with buffer depth and number of rx message IDs to register
+mavlink:init(10, 1)
 
 -- register message id to receive
 mavlink:register_rx_msgid(COMMAND_LONG_ID)

libraries/AP_Scripting/modules/mavport.lua

@@ -36,7 +36,7 @@ function mavport:begin(_)
     self._rx_buf = nil
     self._rx_pos = 1
 
-    mavlink.init(1, 4) -- only one message we care about, don't need huge queue
+    mavlink.init(4, 1) -- only one message we care about, don't need huge queue
     mavlink.register_rx_msgid(SERIAL_CONTROL.id) -- register it
 end
 

libraries/AP_Scripting/tests/mavlink_test.lua

@@ -8,8 +8,8 @@ local msg_map = {}
 local heartbeat_msgid = mavlink_msgs.get_msgid("HEARTBEAT")
 
 msg_map[heartbeat_msgid] = "HEARTBEAT"
--- initialise mavlink rx with number of messages, and buffer depth
-mavlink.init(1, 10)
+-- initialize MAVLink rx with buffer depth and number of rx message IDs to register
+mavlink.init(10, 1)
 -- register message id to receive
 mavlink.register_rx_msgid(heartbeat_msgid)
 local test_named_value = 0.0