radio95/rds95
0
1
Fork 0
mirror of https://github.com/radio95-rnt/rds95.git synced 2026-02-26 12:32:05 +01:00
Code Issues Wiki Activity

more

Browse Source
This commit is contained in:
KubaPro010
2025-12-29 00:49:08 +01:00
parent d4d8282acd
commit 8aefcf08d5
1 changed files with 48 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
scripts/1-rft.lua
View File

@@ -53,9 +53,7 @@ local function start_rft()
local word4 = (b(3) << 8) | b(4)
_Rft_file_segment = seg + 1
if _Rft_file_segment >= total_segments then
_Rft_file_segment = 0
end
if _Rft_file_segment >= total_segments then _Rft_file_segment = 0 end
return true, (2 << 12) | word1, word2, word3, word4
end)
@@ -83,10 +81,10 @@ function load_station_logo(path, id, crc)
_Rft_crc_data = "" -- Clear previous CRC data
_Rft_crc = (crc ~= false)
if crc and (crc == 0 or crc == true) then
if crc and crc == 0 then
_Rft_crc_mode = 0
_Rft_crc_full_file = crc16(_Rft_file)
elseif crc and crc == 1 then
elseif crc and crc == 1 and #_Rft_file <= 40960 then
_Rft_crc_mode = 1
local chunk_size = 5 * 16 -- 80 bytes
for i = 1, #_Rft_file, chunk_size do
@@ -94,6 +92,51 @@ function load_station_logo(path, id, crc)
local crc_val = crc16(chunk)
_Rft_crc_data = _Rft_crc_data .. string.char(math.floor(crc_val / 256), crc_val % 256)
end
elseif crc and crc == 2 and #_Rft_file < 40960 and #_Rft_file >= 81920 then
_Rft_crc_mode = 2
local chunk_size = 5 * 32
for i = 1, #_Rft_file, chunk_size do
local chunk = string.sub(_Rft_file, i, i + chunk_size - 1)
local crc_val = crc16(chunk)
_Rft_crc_data = _Rft_crc_data .. string.char(math.floor(crc_val / 256), crc_val % 256)
end
elseif crc and crc == 3 and #_Rft_file > 81960 then
_Rft_crc_mode = 3
local chunk_size = 5 * 64
for i = 1, #_Rft_file, chunk_size do
local chunk = string.sub(_Rft_file, i, i + chunk_size - 1)
local crc_val = crc16(chunk)
_Rft_crc_data = _Rft_crc_data .. string.char(math.floor(crc_val / 256), crc_val % 256)
end
elseif crc and crc == 4 and #_Rft_file > 81960 then
_Rft_crc_mode = 4
local chunk_size = 5 * 128
for i = 1, #_Rft_file, chunk_size do
local chunk = string.sub(_Rft_file, i, i + chunk_size - 1)
local crc_val = crc16(chunk)
_Rft_crc_data = _Rft_crc_data .. string.char(math.floor(crc_val / 256), crc_val % 256)
end
elseif crc and crc == 5 and #_Rft_file > 81960 then
_Rft_crc_mode = 5
local chunk_size = 5 * 256
for i = 1, #_Rft_file, chunk_size do
local chunk = string.sub(_Rft_file, i, i + chunk_size - 1)
local crc_val = crc16(chunk)
_Rft_crc_data = _Rft_crc_data .. string.char(math.floor(crc_val / 256), crc_val % 256)
end
elseif crc and (crc == 7 or crc == true) then
_Rft_crc_mode = 7
local chunk_size = 0
if #_Rft_file <= 40960 then chunk_size = 5*16
elseif #_Rft_file > 40960 and #_Rft_file <= 81920 then chunk_size = 5*32
elseif #_Rft_file > 81960 then chunk_size = 5*64 end
if chunk_size ~= 0 then
for i = 1, #_Rft_file, chunk_size do
local chunk = string.sub(_Rft_file, i, i + chunk_size - 1)
local crc_val = crc16(chunk)
_Rft_crc_data = _Rft_crc_data .. string.char(math.floor(crc_val / 256), crc_val % 256)
end
end
else
_Rft_crc = false
end