77 lines
1.1 KiB
C++
77 lines
1.1 KiB
C++
#include "FlushPort.h"
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#include "Task.h"
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FlushPort::FlushPort()
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{
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_tid = 0;
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Port = nullptr;
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Fast = 50;
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Slow = 1000;
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Count = 0;
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}
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FlushPort::~FlushPort()
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{
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Sys.RemoveTask(_tid);
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}
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static void FlushPortTask(void* param)
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{
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FlushPort* bp = (FlushPort*)param;
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bp->Flush();
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}
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void FlushPort::Start(int ms)
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{
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if(!Port || !Port->Open()) return;
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if(!_tid)
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{
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int speed = Slow;
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if(speed <= 0) speed = Fast;
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_tid = Sys.AddTask(FlushPortTask, this, speed, speed, "闪烁端口");
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}
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// 设置任务时间
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if(ms > 0)
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{
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Count = ms / Fast;
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if(Count < 2) Count = 2;
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}
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else
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Count = -1;
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// 设置任务间隔后，马上启动任务
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Sys.SetTaskPeriod(_tid, Fast);
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Sys.SetTask(_tid, Count > 0, 0);
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}
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void FlushPort::Stop()
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{
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if(Slow)
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Sys.SetTaskPeriod(_tid, Slow);
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else
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Sys.SetTask(_tid, false, 0);
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}
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void FlushPort::Flush()
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{
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*Port = !*Port;
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if(Count > 0 && --Count == 0)
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{
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// 切换任务执行时间
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if(Slow)
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Sys.SetTaskPeriod(_tid, Slow);
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else
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Sys.SetTask(_tid, false, 0);
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}
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}
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int FlushPort::Write(byte* data)
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{
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Start(*(int*)data);
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return 1;
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}
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