--- 模块功能:Lua补丁 -- @module patch -- @author openLuat -- @license MIT -- @copyright openLuat -- @release 2017.10.21 require"pm" module(..., package.seeall) --[[ 模块名称:Lua自带接口补丁 模块功能:补丁某些Lua自带的接口,规避调用异常时死机 模块最后修改时间:2017.02.14 ]] --保存Lua自带的os.time接口 local oldostime = os.time --[[ 函数名:safeostime 功能 :封装自定义的os.time接口 参数 : t:日期表,如果没有传入,使用系统当前时间 返回值:t时间距离1970年1月1日0时0分0秒所经过的秒数 ]] function safeostime(t) return oldostime(t) or 0 end --Lua自带的os.time接口指向自定义的safeostime接口 os.time = safeostime --保存Lua自带的os.date接口 local oldosdate = os.date --[[ 函数名:safeosdate 功能 :封装自定义的os.date接口 参数 : s:输出格式 t:距离1970年1月1日0时0分0秒所经过的秒数 返回值:参考Lua自带的os.date接口说明 ]] function safeosdate(s, t) if s == "*t" then return oldosdate(s, t) or {year = 2012, month = 12, day = 11, hour = 10, min = 9, sec = 0} else return oldosdate(s, t) end end --Lua自带的os.date接口指向自定义的safeosdate接口 os.date = safeosdate -- 对coroutine.resume加一个修饰器用于捕获协程错误 local rawcoresume = coroutine.resume coroutine.resume = function(...) local arg = { ... } function wrapper(co,...) local arg = { ... } if not arg[1] then local traceBack = debug.traceback(co) or "empty" traceBack = (traceBack and traceBack~="") and ((arg[2] or "").."\r\n"..traceBack) or (arg[2] or "") log.error("coroutine.resume",traceBack) if errDump and type(errDump.appendErr)=="function" then errDump.appendErr(traceBack) end if _G.COROUTINE_ERROR_RESTART then rtos.restart() end end return unpack(arg) end return wrapper(arg[1],rawcoresume(...)) end os.clockms = function() return rtos.tick()/16 end --保存Lua自带的json.decode接口 if json and json.decode then oldjsondecode = json.decode end --- 封装自定义的json.decode接口 -- @string s json格式的字符串 -- @return table,第一个返回值为解析json字符串后的table -- @return boole,第二个返回值为解析结果(true表示成功,false失败) -- @return string,第三个返回值可选(只有第二个返回值为false时,才有意义),表示出错信息 local function safeJsonDecode(s) local result, info = pcall(oldjsondecode, s) if result then return info, true else return {}, false, info end end --Lua自带的json.decode接口指向自定义的safeJsonDecode接口 if json and json.decode then json.decode = safeJsonDecode end local oldUartWrite = uart.write uart.write = function(...) pm.wake("lib.patch.uart.write") local result = oldUartWrite(...) pm.sleep("lib.patch.uart.write") return result end if i2c and i2c.write then local oldI2cWrite = i2c.write i2c.write = function(...) pm.wake("lib.patch.i2c.write") local result = oldI2cWrite(...) pm.sleep("lib.patch.i2c.write") return result end end if i2c and i2c.send then local oldI2cSend = i2c.send i2c.send = function(...) pm.wake("lib.patch.i2c.send") local result = oldI2cSend(...) pm.sleep("lib.patch.i2c.send") return result end end if spi and spi.send then oldSpiSend = spi.send spi.send = function(...) pm.wake("lib.patch.spi.send") local result = oldSpiSend(...) pm.sleep("lib.patch.spi.send") return result end end if spi and spi.send_recv then oldSpiSendRecv = spi.send_recv spi.send_recv = function(...) pm.wake("lib.patch.spi.send_recv") local result = oldSpiSendRecv(...) pm.sleep("lib.patch.spi.send_recv") return result end end if disp and disp.sleep then oldDispSleep = disp.sleep disp.sleep = function(...) pm.wake("lib.patch.disp.sleep") oldDispSleep(...) pm.sleep("lib.patch.disp.sleep") end end if io and io.mount then oldIoMount = io.mount io.mount = function (...) pm.wake("lib.patch.io.mount") local result = oldIoMount(...) pm.sleep("lib.patch.io.mount") return result end end local pmdInited if pmd and pmd.init then oldPmdInit = pmd.init pmd.init = function (...) if not pmdInited then pmdInited = true end local result = oldPmdInit(...) return result end end pmd.libScriptInit = function() if not pmdInited then pmd.init({}) end end