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rsio optimizations

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This commit is contained in:
Mikayla Fischler 2022-05-06 11:11:53 -04:00
parent 17a46ae642
commit 4aab75b842
1 changed files with 41 additions and 16 deletions
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57
scada-common/rsio.lua
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@ -4,6 +4,10 @@
local rsio = {}
----------------------
-- RS I/O CONSTANTS --
----------------------
local IO_LVL = {
LOW = 0,
HIGH = 1
@ -64,6 +68,11 @@ rsio.IO_DIR = IO_DIR
rsio.IO_MODE = IO_MODE
rsio.IO = RS_IO
-----------------------
-- UTILITY FUNCTIONS --
-----------------------
-- channel to string
rsio.to_string = function (channel)
local names = {
"F_SCRAM",
@ -96,22 +105,7 @@ rsio.to_string = function (channel)
end
end
rsio.is_valid_channel = function (channel)
return channel ~= nil and channel > 0 and channel <= RS_IO.A_T_FLOW_RATE
end
rsio.is_valid_side = function (side)
if side ~= nil then
for _, s in pairs(rs.getSides()) do
if s == side then return true end
end
end
return false
end
rsio.is_color = function (color)
return (color > 0) and (bit.band(color, (color - 1)) == 0);
end
local _B_AND = bit.band
local _TRINARY = function (cond, t, f) if cond then return t else return f end end
@ -160,6 +154,7 @@ local RS_DIO_MAP = {
{ _f = _DO_ACTIVE_HIGH, mode = IO_DIR.OUT }
}
-- get the mode of a channel
rsio.get_io_mode = function (channel)
local modes = {
IO_MODE.DIGITAL_IN, -- F_SCRAM
@ -192,6 +187,36 @@ rsio.get_io_mode = function (channel)
end
end
--------------------
-- GENERIC CHECKS --
--------------------
local RS_SIDES = rs.getSides()
-- check if a channel is valid
rsio.is_valid_channel = function (channel)
return channel ~= nil and channel > 0 and channel <= RS_IO.A_T_FLOW_RATE
end
-- check if a side is valid
rsio.is_valid_side = function (side)
if side ~= nil then
for i = 0, #RS_SIDES do
if RS_SIDES[i] == side then return true end
end
end
return false
end
-- check if a color is a valid single color
rsio.is_color = function (color)
return (color > 0) and (_B_AND(color, (color - 1)) == 0);
end
-----------------
-- DIGITAL I/O --
-----------------
-- get digital IO level reading
rsio.digital_read = function (rs_value)
if rs_value then