add : USB CDC虚拟串口通讯

4G/tools/_temp/script/temp_script/linksocket.lua

@@ -0,0 +1,83 @@
+require "socket"
+require "log"
+
+
+local ip, port = "121.43.69.62", "8767"
+
+local clientCount = 1
+
+local clients = {}
+
+
+for i = 1, clientCount do
+local client = {
+id = i,
+socket = nil,
+connected = false
+}
+
+
+sys.taskInit(function()
+while true do
+while not socket.isReady() do sys.wait(1000) end
+client.socket = socket.tcp()
+log.debug("Client " .. client.id .. ": Connecting to " .. ip .. ":" .. port)
+while not client.socket:connect(ip, port) do
+log.warn("Client " .. client.id .. ": Connection failed, retrying...")
+sys.wait(2000)
+end
+client.connected = true
+log.debug("Client " .. client.id .. ": Connected successfully")
+
+uart.write(1, "Socket " .. client.id .. " connected\r\n")
+
+
+while client.socket:asyncSelect(60, "ping") do end
+
+client.connected = false
+client.socket:close()
+log.error("Client " .. client.id .. ": Disconnected")
+
+end
+end)
+
+
+clients[i] = client
+end
+
+
+local function toHexcode(str)
+local hexcode = ""
+for i = 1, #str do
+hexcode = hexcode .. string.format("%02X", str:byte(i))
+end
+return hexcode
+end
+
+
+sys.subscribe("SOCKET_RECV", function(id)
+
+for i, client in ipairs(clients) do
+if client.socket and client.socket.id == id then
+
+local data = client.socket:asyncRecv()
+log.info("Client " .. client.id .. ": Received data: " .. toHexcode(data))
+
+local frame = string.char(0x55) .. string.char(0xAA) .. string.char(0x01) .. string.char(i) .. string.char(#data) .. data .. string.char(0xAA) .. string.char(0x55)
+uart.write(1, frame)
+
+break
+end
+end
+end)
+
+
+
+
+function sendToSocket(id_byte, msg)
+if clients[id_byte] and clients[id_byte].socket and clients[id_byte].connected then
+clients[id_byte].socket:asyncSend(msg)
+else
+log.error("Socket " .. id_byte .. " not connected or does not exist")
+end
+end