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some adjustments and smart detections

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This commit is contained in:
KubaPro010
2025-12-28 16:01:15 +01:00
parent c56e932c93
commit 6552d3dc9d
5 changed files with 86 additions and 47 deletions
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17
scripts/0-rds2_oda.lua
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@@ -75,8 +75,23 @@ function rds2_group(stream)
if _RDS2_ODA_aid > 8 then _RDS2_ODA_aid = 0 end
if oda.handler then
local generated, a, b, c, d = oda.handler(stream)
return generated, (channel << 8) | a, b, c, d
local channel_bitshift = 8
local fid = (a & 0xC000) >> 14
local fn_msb = (a >> 15) & 1
if fid == 0 and fn_msb == 0 then return true, 0, b, c, d
elseif fid == 0 and fn_msb == 1 then channel = channel & 0xF
--FID = 1 means a normal ODA group
elseif fid == 2 and fn_msb == 0 then channel_bitshift = 0 end -- This is AID
return generated, (channel << channel_bitshift) | a, b, c, d
end
return true, (2 << 14) | channel, oda.aid, (oda.data >> 16) & 0xffff, oda.data & 0xffff
end
end
local _old_on_state_oda_rds2 = on_state
function on_state()
_RDS2_ODAs = {}
_RDS2_ODA_aid = 0
_RDS2_ODA_pointer = 1
if type(_old_on_state_oda_rds2) == "function" then _old_on_state_oda_rds2() end
end