mirror of https://github.com/ArduPilot/ardupilot
35 lines
1.4 KiB
Lua
35 lines
1.4 KiB
Lua
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-- example for adding parameters to a lua script
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-- the table key must be used by only one script on a particular flight
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-- controller. If you want to re-use it then you need to wipe your old parameters
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-- the key must be a number between 0 and 200. The key is persistent in storage
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local PARAM_TABLE_KEY = 72
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-- create a parameter table with 2 parameters in it. A table can have
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-- at most 63 parameters. The table size for a particular table key
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-- cannot increase without a reboot. The prefix "MY_" is used with
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-- every parameter in the table. This prefix is used to ensure another
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-- script doesn't use the same PARAM_TABLE_KEY.
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assert(param:add_table(PARAM_TABLE_KEY, "MY_", 2), 'could not add param table')
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-- create two parameters. The param indexes (2nd argument) must
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-- be between 1 and 63. All added parameters are floats, with the given
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-- default value (4th argument).
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assert(param:add_param(PARAM_TABLE_KEY, 1, 'TEST', 3.14), 'could not add param1')
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assert(param:add_param(PARAM_TABLE_KEY, 2, 'TEST2', 5.7), 'could not add param2')
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gcs:send_text(0, string.format("Added two parameters"))
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-- bind a parameter to a variable
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function bind_param(name)
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local p = Parameter()
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assert(p:init(name), string.format('could not find %s parameter', name))
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return p
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end
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local param1 = bind_param("MY_TEST")
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local param2 = bind_param("MY_TEST2")
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gcs:send_text(0, string.format("param1=%f", param1:get()))
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gcs:send_text(0, string.format("param2=%f", param2:get()))
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