create_parameter.lua

-- Description: This script shows how to create and use a parameter

-- create and use a parameter
function create_parameter()

    -- define the table key
    local TABLE_KEY = 93

    -- create parameter table
    if not param:add_table(TABLE_KEY, "ASD_", 3) then
        gcs:send_text(7, "Unable to add ASD_ table")
        return
    end
    gcs:send_text(7, "Successfully added ASD_ table")

    -- add first parameter
    if not param:add_param(TABLE_KEY, 1, "PARM_1", 1.0) then
        gcs:send_text(7, "Unable to add ASD_PARM_1 parameter")
        return
    end
    gcs:send_text(7, "Added ASD_PARM_1 parameter successfully")

    -- add second parameter
    if not param:add_param(TABLE_KEY, 2, "PARM_2", 2.0) then
        gcs:send_text(7, "Unable to add ASD_PARM_2 parameter")
        return
    end
    gcs:send_text(7, "Added ASD_PARM_2 parameter successfully")

    -- add third parameter
    if not param:add_param(TABLE_KEY, 3, "PARM_3", 3.0) then
        gcs:send_text(7, "Unable to add ASD_PARM_3 parameter")
        return
    end
    gcs:send_text(7, "Added ASD_PARM_3 parameter successfully")

    -- create ASD_PARM_1 parameter object
    local ASD_PARM_1 = Parameter()
    if not ASD_PARM_1:init("ASD_PARM_1") then
        gcs:send_text(7, "Failed to initialize the parameter")
        return
    end

    -- notify the user about the parameter value
    gcs:send_text(7, "Value of ASD_PARM_1: " .. ASD_PARM_1:get())

    -- set the parameter
    local result = ASD_PARM_1:set(1.5)

    -- notify the user about the result
    gcs:send_text(7, "Parameter set operation result: " .. tostring(result))

    -- notify the user about the parameter value
    gcs:send_text(7, "Value of ASD_PARM_1: " .. ASD_PARM_1:get())

    -- schedule the next call to this function
    -- return create_parameter, 1000
end

-- start the script
return create_parameter()