KNX LogicMachine3 Re:actor, Руководство по эксплуатации продукта

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131
46.
function
mbproxy:setslave
(
slaveid
)
47. self.slaveid
=
slaveid
48. end
49.
50.
-- send rpc request for a spefic function
51. function mbproxy:request ( fn, ... )
52.
local
res, err
=
self.rpc:request
({
53. fn
=
fn,
54. params = { ... } ,
55. slaveid
=
self.slaveid
or 0
,
56.
})
57.
58.
-- request error
59.
if
err
then
60. return nil , err
61. -- request ok
62.
else
63.
-- reply with an error
64. if res [ 1 ] == nil then
65.
return nil
, res
[ 2 ]
66.
-- normal reply
67. else
68.
return unpack (
res
)
69.
end
70. end
71. end
Handler (resident script with 0 delay) configuration
1.
mb:open('/dev/ttyS2', 38400, 'E', 8, 1, 'H')
set baudrate and other serial port parameters
2.
mb:setslave(10)
set slave device id
3.
mb:setmapping(10, 10, 10, 10)
set number coils, discrete inputs, holding registers and input registers
4.
mb:setwritecoilcb(function(coil, value)...
callback function which is executed for each coil write
5.
mb:setwriteregistercb(function(coil, value)...
callback function which is executed for each register write