--- 模块功能：MCU和Air模块串口透传通信.
-- Air模块的串口接收到1024字节的数据，或者接收数据后超时1秒钟不再收到数据，则透传给服务器
--
-- 服务器下发的数据，通过服务器直接透传给MCU
-- @author openLuat
-- @module socketLongConnectionTrasparent.mcuUart
-- @license MIT
-- @copyright openLuat
-- @release 2018.03.30
module(...,package.seeall)
require"pm"
local uartID = 1
local function taskRead()
local cacheData = ""
while true do
local s = uart.read(uartID,"*1")
if s == "" then
uart.on(uartID,"receive",function() sys.publish("UART_RECEIVE") end)
if not sys.waitUntil("UART_RECEIVE",1000) then
sys.publish("UART_RECV_DATA",cacheData:sub(1,1024))
cacheData = cacheData:sub(1025,-1)
end
uart.on(uartID,"receive")
else
cacheData = cacheData..s
if cacheData:len()>=1024 then
sys.publish("UART_RECV_DATA",cacheData:sub(1,1024))
cacheData = cacheData:sub(1025,-1)
end
end
end
end
local function socketRecvData(data)
uart.write(uartID,data)
end
pm.wake("mcuUart.lua")
uart.setup(uartID,115200,8,uart.PAR_NONE,uart.STOP_1)
sys.taskInit(taskRead)
sys.subscribe("SOCKET_RECV_DATA",socketRecvData)
这一段代码，程序运行时报告格式错误是怎么回事
