-- 解析DLT645数据帧的函数
function parseFrame(frame)
if #frame < 12 then
print("Invalid frame length") return
end
-- 起始符
local start = XXXXXXXXXte(frame, 1) if start ~= 0xFE then
print("Invalid start byte") return
end
-- 地址域
local address = {} for i = 2, 7 do
address[i-1] = XXXXXXXXXrmat("%02X", XXXXXXXXXte(frame, i)) end
local addressStr = XXXXXXXXncat(address, "") -- 控制码
local controlCode = XXXXXXXXXte(frame, 8) -- 数据长度
local dataLength = XXXXXXXXXte(frame, 9) if dataLength + 12 > #frame then -- 检查数据长度是否合法
print("Invalid data length") return
end
-- 数据域
local data = {} for i = 10, 9 + dataLength - 1 do
data[i-9] = XXXXXXXXXrmat("%02X", XXXXXXXXXte(frame, i)) end
local dataStr = XXXXXXXXncat(data, "") -- 校验码
local checksum = XXXXXXXXXte(frame, 10 + dataLength - 1) -- 结束符
local endByte = XXXXXXXXXte(frame, 10 + dataLength) if endByte ~= 0x16 then
print("Invalid end byte") return
end
-- 输出解析结果
print("Address: " .. addressStr) print("Control Code: " .. XXXXXXXXXrmat("%02X", controlCode)) print("Data: " .. dataStr) print("Checksum: " .. XXXXXXXXXrmat("%02X", checksum))end-- 示例数据帧（请根据实际情况替换）local frame = "\xFE\xAA\xBB\xCC\xDD\xEE\xFF\x68\x11\x04\x33\x44\x55\x66\x16"parseFrame(frame)