318 lines
6.6 KiB
C++
318 lines
6.6 KiB
C++
#include "Kernel\Sys.h"
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#include "Interrupt.h"
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#include "TTime.h"
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TSys Sys;
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const TTime Time;
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// 系统配置
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const SystemConfig g_Config = {
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//SystemConfig g_Config = {
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// 操作系统 v3.2.x
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(0x03020000 | __BUILD_DATE__),
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"SmartOS_CPU",
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// 硬件
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(0x0 | __BUILD_DATE__),
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// 应用软件
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(0x0 | __BUILD_DATE__),
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(0x0 | __BUILD_DATE__),
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__BUILD_USER__,
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__BUILD_SDATE__,
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};
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#if defined(BOOT) || defined(APP)
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struct HandlerRemap StrBoot __attribute__((at(0x2000fff0)));
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#endif
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// 关键性代码，放到开头
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INROOT TSys::TSys()
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{
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auto& cfg = g_Config;
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Config = &g_Config;
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OnInit();
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OnSleep = nullptr;
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Code = cfg.Code;
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Ver = cfg.Ver;
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HardVer = cfg.HardVer;
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AppVer = cfg.AppVer;
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#ifndef TINY
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Name = cfg.Name;
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Company = cfg.Company;
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Product = cfg.Product;
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Interrupt.Init();
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#endif
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StartTimes = 1;
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HotStart = 1;
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Started = false;
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}
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void TSys::Init(void)
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{
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InitClock();
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// 必须在系统主频率确定以后再初始化时钟
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((TTime&)Time).Init();
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}
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void TSys::ShowInfo() const
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{
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#if DEBUG
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debug_printf("%s::%s Code:%04X %s \r\n", Company, Name, Code, Product);
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debug_printf("Build:%s %s\r\n", __BUILD_USER__, __BUILD_STIME__);
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Version v1(AppVer);
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Version v2(HardVer);
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Version v3(Ver);
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debug_printf("AppVer:%s HardVer:%s CoreVer:%s\r\n", v1.ToString().GetBuffer(), v2.ToString().GetBuffer(), v3.ToString().GetBuffer());
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OnShowInfo();
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debug_printf("ChipID:");
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ByteArray(ID, ArrayLength(ID)).Show();
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// 新的字符串这样用会导致第一个字符被清零
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//debug_printf("\t %s", ID);
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String str;
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str.Copy(0, ID, 12);
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str.Show(true);
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debug_printf("Time : ");
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DateTime::Now().Show(false);
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debug_printf(" Start: %d/%d \r\n", HotStart, StartTimes);
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//debug_printf("Support: http://www.WsLink.cn\r\n");
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debug_printf("\r\n");
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#endif
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}
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#define __TASK__MODULE__ 1
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#ifdef __TASK__MODULE__
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// 任务
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#include "Task.h"
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// 创建任务，返回任务编号。dueTime首次调度时间ms，period调度间隔ms，-1表示仅处理一次
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uint TSys::AddTask(Action func, void* param, int dueTime, int period, cstring name) const
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{
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return Task::Scheduler()->Add(func, param, dueTime, period, name);
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}
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void TSys::RemoveTask(uint& taskid) const
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{
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if(taskid) Task::Scheduler()->Remove(taskid);
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taskid = 0;
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}
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// 关键性代码，放到开头
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INROOT bool TSys::SetTask(uint taskid, bool enable, int msNextTime) const
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{
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if(!taskid) return false;
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auto task = Task::Get(taskid);
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if(!task) return false;
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task->Set(enable, msNextTime);
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return true;
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}
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// 改变任务周期
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INROOT bool TSys::SetTaskPeriod(uint taskid, int period) const
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{
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if(!taskid) return false;
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auto task = Task::Get(taskid);
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if(!task) return false;
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if(period)
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{
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task->Period = period;
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// 改变任务周期的同时，重新计算下一次调度时间NextTime，让它立马生效
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// 否则有可能系统按照上一次计算好的NextTime再调度一次任务
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task->NextTime = Ms() + period;
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}
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else
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task->Enable = false;
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return true;
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}
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void TSys::Start()
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{
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OnStart();
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Started = true;
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Task::Scheduler()->Start();
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}
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// 延迟异步重启
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void TSys::Reboot(int msDelay) const
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{
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if (msDelay <= 0)Reset();
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auto func = &TSys::Reset;
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AddTask(*(Action*)&func, (void*)this, msDelay, -1, "延迟重启");
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}
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// 系统启动后的毫秒数
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INROOT UInt64 TSys::Ms() const { return Time.Current(); }
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// 系统绝对当前时间，秒
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INROOT uint TSys::Seconds() const { return Time.Seconds + Time.BaseSeconds; }
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INROOT void TSys::Sleep(int ms) const
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{
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// 优先使用线程级睡眠
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if(OnSleep)
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OnSleep(ms);
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else
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{
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#if DEBUG
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if(ms > 1000) debug_printf("Sys::Sleep 设计错误，睡眠%dms太长！", ms);
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#endif
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// 在这段时间里面，去处理一下别的任务
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if(Sys.Started && ms != 0)
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{
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bool cancel = false;
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int ct = Task::Scheduler()->ExecuteForWait(ms, cancel);
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if(ct >= ms) return;
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ms -= ct;
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}
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if(ms) Time.Sleep(ms);
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}
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}
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INROOT void TSys::Delay(int us) const
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{
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// 如果延迟微秒数太大，则使用线程级睡眠
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if(OnSleep && us >= 2000)
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OnSleep((us + 500) / 1000);
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else
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{
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#if DEBUG
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if(us > 1000000) debug_printf("Sys::Sleep 设计错误，睡眠%dus太长！", us);
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#endif
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// 在这段时间里面，去处理一下别的任务
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if(Sys.Started && us != 0 && us >= 1000)
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{
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bool cancel = false;
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int ct = Task::Scheduler()->ExecuteForWait(us / 1000, cancel);
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ct *= 1000;
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if(ct >= us) return;
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us -= ct;
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}
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if(us) Time.Delay(us);
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}
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}
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#endif
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/****************系统日志****************/
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#include <stdarg.h>
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// 打印日志
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extern int SmartOS_Log(const String& msg);
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extern "C"
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{
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// 是否新行结尾
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static bool newline = false;
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WEAK int SmartOS_printf(const char* format, ...)
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{
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if(Sys.Clock == 0 || Sys.MessagePort == COM_NONE) return 0;
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char cs[512];
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int tab = 0;
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// 先根据子任务打印缩进级别
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if(Sys.Started)
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{
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int deepth = Task::Scheduler()->Deepth - 1;
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if(newline && deepth > 0 && (format[0] != '\0' || format[1] != '\0' || format[2] != '\0'))
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{
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String fm = format;
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if(fm.Length() == 1)
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{
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tab = 0;
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}
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for(int i=0; i<deepth; i++)
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cs[tab++] = '\t';
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tab += snprintf(&cs[tab], sizeof(cs) - tab, "%d=>", Task::Current().ID);
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}
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}
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va_list ap;
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va_start(ap, format);
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int rs = vsnprintf(&cs[tab], sizeof(cs) - tab, format, ap);
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va_end(ap);
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// 如果格式化得到为空，则不做输出
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if(rs == 0) return rs;
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newline = cs[tab + rs - 1] == '\r' || cs[tab + rs - 1] == '\n';
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// 必须转为cstring，否则会当作缓冲区，并把最后一个字符清零。当作缓冲区，长度加一也可以
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rs += SmartOS_Log(String((cstring)cs, tab + rs));
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return rs;
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}
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#ifndef _MSC_VER
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/* 重载fputc可以让用户程序使用printf函数 */
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int fputc(int ch, FILE *f)
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{
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#if DEBUG
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if(Sys.Clock == 0) return ch;
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int idx = Sys.MessagePort;
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if(idx == COM_NONE) return ch;
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byte b = ch;
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SmartOS_Log(String((cstring)&b, 1));
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#endif
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return ch;
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}
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#endif
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}
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/****************系统跟踪****************/
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//#if DEBUG
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#include "Device\Port.h"
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static OutputPort* _trace = nullptr;
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//#endif
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void TSys::InitTrace(void* port) const
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{
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//#if DEBUG
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_trace = (OutputPort*)port;
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//#endif
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}
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void TSys::Trace(int times) const
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{
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//#if DEBUG
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if(_trace)
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{
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while(times--) *_trace = !*_trace;
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}
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//#endif
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}
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