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elrsV3.lua: added editing of parameter type string #2995

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elrsV3.lua: added editing of parameter type string #2995

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29dc08a
Added editing of parameter type string
wimalopaan Oct 19, 2024
a5c702d
removed debug messages
wimalopaan Oct 19, 2024
696132d
refactored
wimalopaan Oct 19, 2024
d4be9c0
use maxlen of STRING parameter and a built-in maximum length of 16 chars
wimalopaan Oct 21, 2024
0410ae7
trim string before sending it down to device
wimalopaan Oct 22, 2024
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refactored
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@wimalopaan
wimalopaan committed Oct 19, 2024
commit 696132dd2223ce6080174a0e59a80a5a2463f906
30 changes: 6 additions & 24 deletions src/lua/elrsV3.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -72,30 +72,12 @@ local function getField(line)
end

local subFieldIndex = 1

local function textEdit(field, step)
local stringPossibleChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_#-."
local function incrCharInTextField(field, step)
local c = string.sub(field.value, subFieldIndex, subFieldIndex)
if (step == 1) then
if (c == "Z") then
c = "a"
elseif (c == "z") then
c = "0"
elseif (c == "9") then
c = "A"
else
c = string.char(string.byte(c) + 1)
end
elseif (step == -1) then
if (c == "A") then
c = "9"
elseif (c == "0") then
c = "z"
elseif (c == "a") then
c = "Z"
else
c = string.char(string.byte(c) - 1)
end
end
local idx = string.find(stringPossibleChars, c, 1, true)
idx = (idx + step + #stringPossibleChars - 1) % #stringPossibleChars + 1
c = string.sub(stringPossibleChars, idx, idx)
field.value = string.sub(field.value, 1, subFieldIndex - 1) .. c .. string.sub(field.value, subFieldIndex + 1, string.len(field.value))
end

Expand All @@ -120,7 +102,7 @@ local function incrField(step)
min = 0
max = #field.values - 1
elseif field.type == 10 then
return textEdit(field, step)
return incrCharInTextField(field, step)
end

local newval = field.value
Expand Down