258 lines
5.3 KiB
C++
258 lines
5.3 KiB
C++
#include "Button_GrayLevel.h"
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#define BTN_DEBUG DEBUG
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//#define BTN_DEBUG 0
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#if BTN_DEBUG
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#define btn_printf debug_printf
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#else
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#define btn_printf(format, ...)
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#endif
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InputPort* Button_GrayLevel::ACZero = NULL;
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byte Button_GrayLevel::OnGrayLevel = 0xff; // 开灯时 led 灰度
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byte Button_GrayLevel::OffGrayLevel = 0x00; // 关灯时 led 灰度
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int Button_GrayLevel::ACZeroAdjTime=2300;
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Button_GrayLevel::Button_GrayLevel()
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{
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#if DEBUG
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Name = NULL;
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#endif
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Index = 0;
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_Value = false;
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_GrayLevelDrive = NULL;
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_PulseIndex = 0xff;
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_Handler = NULL;
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_Param = NULL;
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_tid = 0;
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Next = 0xFF;
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}
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Button_GrayLevel::~Button_GrayLevel()
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{
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}
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void Button_GrayLevel::Set(Pin key, Pin relay)
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{
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Set(key, relay, true);
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}
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void Button_GrayLevel::Set(Pin key, Pin relay, bool relayInvert)
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{
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assert_param(key != P0);
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// 中断过滤模式，0x01表示使用按下，0x02表示使用弹起
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Key.Mode = 0x02;
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Key.Set(key);
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Key.Register(OnPress, this);
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Key.Open();
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if(relay != P0)
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{
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Relay.Invert = relayInvert;
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Relay.Set(relay).Open();
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}
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}
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void Button_GrayLevel::Set(PWM* drive, byte pulseIndex)
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{
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if(drive && pulseIndex < 4)
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{
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_GrayLevelDrive = drive;
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_PulseIndex = pulseIndex;
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// 刷新输出
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RenewGrayLevel();
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}
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}
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void Button_GrayLevel::RenewGrayLevel()
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{
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if(_GrayLevelDrive)
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{
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_GrayLevelDrive->Pulse[_PulseIndex] = _Value? (0xff-OnGrayLevel) : (0xff-OffGrayLevel);
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_GrayLevelDrive->Config();
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}
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}
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void Button_GrayLevel::OnPress(Pin pin, bool down, void* param)
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{
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Button_GrayLevel* btn = (Button_GrayLevel*)param;
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if(btn) btn->OnPress(pin, down);
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}
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void Button_GrayLevel::OnPress(Pin pin, bool down)
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{
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// 每次按下弹起，都取反状态
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if(!down)
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{
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SetValue(!_Value);
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if(_Handler) _Handler(this, _Param);
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}
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}
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void Button_GrayLevel::Register(EventHandler handler, void* param)
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{
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if(handler)
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{
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_Handler = handler;
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_Param = param;
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}
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else
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{
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_Handler = NULL;
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_Param = NULL;
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}
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}
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int Button_GrayLevel::Size() const { return 1; }
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int Button_GrayLevel::Write(byte* data)
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{
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byte cmd = *data;
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if(cmd == 0xFF) return Read(data);
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btn_printf("控制0x%02X ", cmd);
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switch(cmd)
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{
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case 1:
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btn_printf("打开");
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SetValue(true);
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break;
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case 0:
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btn_printf("关闭");
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SetValue(false);
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break;
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case 2:
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btn_printf("反转");
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SetValue(!GetValue());
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break;
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default:
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break;
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}
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switch(cmd>>4)
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{
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// 普通指令
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case 0:
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// 关闭所有带有延迟效果的指令
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Next = 0xFF;
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break;
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// 开关闪烁
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case 1:
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btn_printf("闪烁%d", cmd - 0x10);
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SetValue(!GetValue());
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Next = cmd;
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StartAsync(cmd - 0x10);
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break;
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// 打开，延迟一段时间后关闭
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case 2:
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case 3:
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case 4:
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case 5:
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btn_printf("延迟%d关闭", cmd - 0x20);
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SetValue(true);
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Next = 0;
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StartAsync(cmd - 0x20);
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break;
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// 关闭，延迟一段时间后打开
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case 6:
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case 7:
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case 8:
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case 9:
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btn_printf("延迟%d打开", cmd - 0x60);
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SetValue(false);
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Next = 1;
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StartAsync(cmd - 0x60);
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break;
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}
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#if DEBUG
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//Name.Show(true);
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btn_printf(" %s\r\n", Name);
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#endif
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return Read(data);
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}
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int Button_GrayLevel::Read(byte* data)
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{
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*data = _Value ? 1 : 0;
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return 1;
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}
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static void CommandTask(void* param)
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{
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Button_GrayLevel* btn = (Button_GrayLevel*)param;
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byte cmd = btn->Next;
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//btn_printf("Next=%d \r\n", cmd);
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if(cmd != 0xFF) btn->Write(&cmd);
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}
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void Button_GrayLevel::StartAsync(int second)
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{
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if(!_tid) _tid = Sys.AddTask(CommandTask, this, -1, -1, "定时开关");
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Sys.SetTask(_tid, true, second * 1000000);
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}
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bool Button_GrayLevel::GetValue() { return _Value; }
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bool CheckZero(InputPort* port)
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{
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int retry = 200;
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while(*port == false && retry-- > 0) Sys.Delay(100); // 检测下降沿 先去掉低电平 while（io==false）
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if(retry <= 0) return false;
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retry = 200;
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while(*port == true && retry-- > 0) Sys.Delay(100); // 当检测到 高电平结束 就是下降沿的到来
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if(retry <= 0) return false;
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return true;
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}
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void Button_GrayLevel::SetValue(bool value)
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{
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if(ACZero)
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{
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int time = ACZeroAdjTime;
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if(!CheckZero(ACZero)) return;
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//Sys.Delay(ACZeroAdjTime); Sys.Dlay() 参数>=1000 就会切换任务 中断里面不允许
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while(time > 700)
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{
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Sys.Delay(700);
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time-=700;
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}
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Sys.Delay(time);
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// 经检测 过零检测电路的信号是 高电平12ms 低电平7ms 即下降沿后8.5ms 是下一个过零点
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// 从给出信号到继电器吸合 测量得到的时间是 6.4ms 继电器抖动 1ms左右 即 平均在7ms上下
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// 故这里添加1ms延时
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// 这里有个不是问题的问题 一旦过零检测电路烧了 开关将不能正常工作
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}
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Relay = value;
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_Value = value;
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RenewGrayLevel();
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}
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bool Button_GrayLevel::SetACZeroPin(Pin aczero)
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{
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// 检查参数
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assert_param(aczero != P0);
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// 该方法可能被初级工程师多次调用，需要检查并释放旧的，避免内存泄漏
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if(ACZero) delete ACZero;
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ACZero = new InputPort(aczero);
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// 需要检测是否有交流电，否则关闭
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if(CheckZero(ACZero)) return true;
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delete ACZero;
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ACZero = NULL;
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return false;
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}
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