278 lines
6.0 KiB
C++
278 lines
6.0 KiB
C++
#include "Button_GrayLevel.h"
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#include "Time.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() : ByteDataPort()
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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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_Pwm = NULL;
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_Channel = 0;
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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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OnPress = NULL;
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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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Key.Set(key);
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// 中断过滤模式
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if(!OnPress)
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Key.Mode = InputPort::Rising;
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Key.ShakeTime = 40;
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Key.Register(OnKeyPress, this);
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Key.Open();
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if(relay != P0) Relay.Init(relay, relayInvert).Open();
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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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_Pwm = drive;
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_Channel = 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(_Pwm)
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{
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_Pwm->Pulse[_Channel] = _Value? (0xFF - OnGrayLevel) : (0xFF - OffGrayLevel);
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_Pwm->Config();
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}
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}
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void Button_GrayLevel::OnKeyPress(InputPort* port, 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->OnKeyPress(port, down);
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}
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void Button_GrayLevel::OnKeyPress(InputPort* port, 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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else
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{
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if(OnPress) OnPress(port, down, this);
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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::OnWrite(byte data)
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{
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SetValue(data);
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return OnRead();
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}
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byte Button_GrayLevel::OnRead()
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{
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return _Value ? 1 : 0;
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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) Time.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) Time.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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_Value = value;
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if(ACZero && ACZero->Opened)
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{
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if(CheckZero(ACZero)) Time.Delay(ACZeroAdjTime);
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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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RenewGrayLevel();
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}
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bool Button_GrayLevel::SetACZeroPin(Pin aczero)
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{
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// 该方法需要检查并释放旧的，避免内存泄漏
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if(!ACZero) 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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ACZero->Close();
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return false;
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}
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void Button_GrayLevel::Init(byte tim, byte count, Button_GrayLevel* btns, EventHandler onpress
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, const ButtonPin* pins, byte* level, const byte* state)
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{
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debug_printf("\r\n初始化开关按钮 \r\n");
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// 配置PWM来源
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static PWM LedPWM(tim);
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// 设置分频 尽量不要改 Prescaler * Period 就是 PWM 周期
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LedPWM.Prescaler = 0x04; // 随便改 只要肉眼看不到都没问题
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LedPWM.Period = 0xFF; // 对应灰度调节范围
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LedPWM.Polarity = true; // 极性。默认true高电平。如有必要，将来根据Led引脚自动检测初始状态
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LedPWM.Open();
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// 配置 LED 引脚
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static AlternatePort Leds[4];
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for(int i = 0; i < count; i++)
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{
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Leds[i].Set(pins[i].Led);
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Leds[i].Open();
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#if defined(STM32F0) || defined(STM32F4)
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Leds[i].AFConfig(GPIO_AF_1);
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#endif
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}
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// 设置默认灰度
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if(level[0] == 0x00)
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{
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level[0] = 250;
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level[1] = 20;
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}
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// 使用 Data 记录的灰度
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OnGrayLevel = level[0];
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OffGrayLevel = level[1];
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// 配置 Button 主体
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for(int i = 0; i < count; i++)
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{
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btns[i].Set(pins[i].Key, pins[i].Relay, pins[i].Invert);
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}
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#if DEBUG
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const char* names[] = {"一号", "二号", "三号", "四号"};
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#endif
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for(int i=0; i < count; i++)
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{
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btns[i].Index = i;
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#if DEBUG
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btns[i].Name = names[i];
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#endif
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btns[i].Register(onpress);
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// 灰度 LED 绑定到 Button
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btns[i].Set(&LedPWM, pins[i].PwmIndex);
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// 如果是热启动，恢复开关状态数据
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if(state && state[i]) btns[i].SetValue(true);
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}
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}
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void ACZeroReset(void *param)
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{
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InputPort* port = Button_GrayLevel::ACZero;
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if(port)
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{
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//Sys.Reset();
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debug_printf("定时检查过零检测\r\n");
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// 需要检测是否有交流电，否则关闭
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if(CheckZero(port)) return;
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port->Close();
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}
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}
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void Button_GrayLevel::InitZero(Pin zero, int us)
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{
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if(zero == P0) return;
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debug_printf("\r\n过零检测引脚PB12探测\r\n");
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Button_GrayLevel::SetACZeroAdjTime(us);
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if(Button_GrayLevel::SetACZeroPin(zero))
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debug_printf("已连接交流电！\r\n");
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else
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debug_printf("未连接交流电或没有使用过零检测电路\r\n");
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debug_printf("所有开关按钮准备就绪！\r\n\r\n");
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Sys.AddTask(ACZeroReset, NULL, 60000, 60000, "定时过零");
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}
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bool Button_GrayLevel::UpdateLevel(byte* level, Button_GrayLevel* btns, byte count)
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{
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bool rs = false;
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if(OnGrayLevel != level[0])
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{
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OnGrayLevel = level[0];
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rs = true;
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}
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if(OnGrayLevel != level[1])
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{
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OnGrayLevel = level[1];
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rs = true;
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}
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if(rs)
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{
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debug_printf("指示灯灰度调整\r\n");
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for(int i = 0; i < count; i++)
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btns[i].RenewGrayLevel();
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}
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return rs;
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}
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