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Treppenlichtsteuerung_Teil2.ino
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Treppenlichtsteuerung_Teil2.ino
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#include <Wire.h>
#define PWM_Module_Base_Addr 0x40 //10000000b Das letzte Bit des Adressbytes definiert die auszuführende Operation. Bei Einstellung auf logisch 1 0x41 Modul 2 etc.. Adressbereich0x40 - 0x47
//wird ein Lesevorgang auswählt, während eine logische 0 eine Schreiboperation auswählt.
#define OE_Pin 8 // Pin für Output Enable
#define CPU_LED_Pin 13
#define PIRA_Pin 2
#define PIRB_Pin 3
int Overall_Stages = 32; // maximale Stufenanzal: 31x 16 = 496
int Num_Stages = 32;
#define Delay_Stages 5
#define Delay_ON_to_OFF 2 // Minimum Delay_ON_to_OFF in Seconds
#define delay_per_Stage_in_ms 200
int Pwm_Channel = 0;
int Pwm_Channel_Brightness = 0;
bool Motion_Trigger_Down_to_Up = false;
bool Motion_Trigger_Up_to_Down = false;
bool On_Delay = false;
byte PWMModules = 0;
// interrupt Control
byte A60telSeconds24 = 0;
byte Seconds24;
ISR(TIMER1_COMPA_vect)
{
A60telSeconds24++;
if (A60telSeconds24 > 59)
{
A60telSeconds24 = 0;
Seconds24++;
if (Seconds24 > 150)
{
Seconds24 = 0;
}
}
}
void ISR_PIR_A()
{
bool PinState = digitalRead(PIRA_Pin);
if (PinState)
{
if (!(Motion_Trigger_Up_to_Down) and !(Motion_Trigger_Down_to_Up))
{
digitalWrite(CPU_LED_Pin,HIGH);
Motion_Trigger_Down_to_Up = true;
} // PIR A ausgelöst
} else
{
digitalWrite(CPU_LED_Pin,LOW);
}
}
void ISR_PIR_B()
{
bool PinState = digitalRead(PIRB_Pin);
if (PinState)
{
if (!(Motion_Trigger_Down_to_Up) and !(Motion_Trigger_Up_to_Down))
{
digitalWrite(CPU_LED_Pin,HIGH);
Motion_Trigger_Up_to_Down = true;
} // PIR B ausgelöst
} else
{
digitalWrite(CPU_LED_Pin,LOW);
}
}
void Init_PWM_Module(byte PWM_ModuleAddr)
{
pinMode(OE_Pin,OUTPUT);
pinMode(CPU_LED_Pin,OUTPUT);
digitalWrite(OE_Pin,HIGH); // Active LOW-Ausgangsaktivierungs-Pin (OE).
Wire.beginTransmission(PWM_ModuleAddr); // Datentransfer initiieren
Wire.write(0x00); //
Wire.write(0x06); // Software Reset
Wire.endTransmission(); // Stoppe Kommunikation - Sende Stop Bit
delay(400);
Wire.beginTransmission(PWM_ModuleAddr); // Datentransfer initiieren
Wire.write(0x01); // Wähle Mode 2 Register (Command Register)
Wire.write(0x04); // Konfiguriere Chip: 0x04: totem pole Ausgang 0x00: Open drain Ausgang.
Wire.endTransmission(); // Stoppe Kommunikation - Sende Stop Bit
Wire.beginTransmission(PWM_ModuleAddr); // Datentransfer initiieren
Wire.write(0x00); // Wähle Mode 1 Register (Command Register)
Wire.write(0x10); // Konfiguriere SleepMode
Wire.endTransmission(); // Stoppe Kommunikation - Sende Stop Bit
Wire.beginTransmission(PWM_ModuleAddr); // Datentransfer initiieren
Wire.write(0xFE); // Wähle PRE_SCALE register (Command Register)
Wire.write(0x03); // Set Prescaler. Die maximale PWM Frequent ist 1526 Hz wenn das PRE_SCALEer Regsiter auf "0x03h" gesetzt wird. Standard : 200 Hz
Wire.endTransmission(); // Stoppe Kommunikation - Sende Stop Bit
Wire.beginTransmission(PWM_ModuleAddr); // Datentransfer initiieren
Wire.write(0x00); // Wähle Mode 1 Register (Command Register)
Wire.write(0xA1); // Konfiguriere Chip: ERrlaube All Call I2C Adressen, verwende interne Uhr, // Erlaube Auto Increment Feature
Wire.endTransmission(); // Stoppe Kommunikation - Sende Stop Bit
}
void Init_PWM_Outputs(byte PWM_ModuleAddr)
{
digitalWrite(OE_Pin,HIGH); // Active LOW-Ausgangsaktivierungs-Pin (OE).
for ( int z = 0;z < 16 + 1;z++)
{
Wire.beginTransmission(PWM_ModuleAddr);
Wire.write(z * 4 +6); // Wähle PWM_Channel_ON_L register
Wire.write(0x00); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission(PWM_ModuleAddr);
Wire.write(z * 4 +7); // Wähle PWM_Channel_ON_H register
Wire.write(0x00); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission(PWM_ModuleAddr);
Wire.write(z * 4 +8); // Wähle PWM_Channel_OFF_L register
Wire.write(0x00); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission(PWM_ModuleAddr);
Wire.write(z * 4 +9); // Wähle PWM_Channel_OFF_H register
Wire.write(0x00); // Wert für o.g. Register
Wire.endTransmission();
}
digitalWrite(OE_Pin,LOW); // Active LOW-Ausgangsaktivierungs-Pin (OE).
}
void setup()
{
//Initalisierung
Serial.begin(9600);
pinMode(PIRA_Pin,INPUT);
pinMode(PIRB_Pin,INPUT);
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for native USB
}
//int Overall_Stages = 32; // maximale Stufenanzal: 31x 16 = 496
//int Num_Stages = 32;
PWMModules = Overall_Stages / 16;
byte StagesLeft = Overall_Stages % 16;
if (StagesLeft >= 1) {PWMModules++;}
Serial.println (PWMModules);
Wire.begin(); // Initalisiere I2C Bus A4 (SDA), A5 (SCL)
for (byte ModuleCount=0;ModuleCount < PWMModules;ModuleCount++)
{
Init_PWM_Module(PWM_Module_Base_Addr+ModuleCount);
Init_PWM_Outputs(PWM_Module_Base_Addr+ModuleCount);
Serial.println (PWM_Module_Base_Addr+ModuleCount);
}
noInterrupts();
attachInterrupt(0, ISR_PIR_A, CHANGE);
attachInterrupt(1, ISR_PIR_B, CHANGE);
TCCR1A = 0x00;
TCCR1B = 0x02;
TCNT1 = 0; // Register mit 0 initialisieren
OCR1A = 33353; // Output Compare Register vorbelegen
TIMSK1 |= (1 << OCIE1A); // Timer Compare Interrupt aktivieren
interrupts();
}
void Down_to_Up_ON()
{
Pwm_Channel = 0;
Pwm_Channel_Brightness = 0;
while (Pwm_Channel < Num_Stages +1)
{
Wire.beginTransmission( PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +8); // Wähle PWM_Channel_0_OFF_L register
Wire.write((byte)Pwm_Channel_Brightness & 0xFF); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission( PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +9); // Wähle PWM_Channel_0_OFF_H register
Wire.write((Pwm_Channel_Brightness >> 8)); // Wert für o.g. Register
Wire.endTransmission();
if (Pwm_Channel_Brightness < 4095)
{
Pwm_Channel_Brightness = Pwm_Channel_Brightness + Delay_Stages;
if (Pwm_Channel_Brightness > 4095) {Pwm_Channel_Brightness = 4095;}
} else if ( Pwm_Channel < Num_Stages +1)
{
Pwm_Channel_Brightness = 0;
delay(delay_per_Stage_in_ms);
Pwm_Channel++;
}
}
}
void Down_to_Up_OFF()
{
Pwm_Channel = 0;
Pwm_Channel_Brightness = 4095;
while (Pwm_Channel < Num_Stages +1)
{
Wire.beginTransmission( PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +8); // Wähle PWM_Channel_0_OFF_L register
Wire.write((byte)Pwm_Channel_Brightness & 0xFF); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission(PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +9); // Wähle PWM_Channel_0_OFF_H register
Wire.write((Pwm_Channel_Brightness >> 8)); // Wert für o.g. Register
Wire.endTransmission();
if (Pwm_Channel_Brightness > 0)
{
Pwm_Channel_Brightness = Pwm_Channel_Brightness - Delay_Stages;
if (Pwm_Channel_Brightness < 0) {Pwm_Channel_Brightness = 0;}
} else if ( Pwm_Channel < Num_Stages +1)
{
Pwm_Channel_Brightness = 4095;
delay(delay_per_Stage_in_ms);
Pwm_Channel++;
}
}
}
void Up_to_DOWN_ON()
{
Pwm_Channel = Num_Stages;
Pwm_Channel_Brightness = 0;
while (Pwm_Channel > -1)
{
Wire.beginTransmission( PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +8); // Wähle PWM_Channel_0_OFF_L register
Wire.write((byte)Pwm_Channel_Brightness & 0xFF); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission(PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +9); // Wähle PWM_Channel_0_OFF_H register
Wire.write((Pwm_Channel_Brightness >> 8)); // Wert für o.g. Register
Wire.endTransmission();
if (Pwm_Channel_Brightness < 4095)
{
Pwm_Channel_Brightness = Pwm_Channel_Brightness + Delay_Stages;
if (Pwm_Channel_Brightness > 4095) {Pwm_Channel_Brightness = 4095;}
} else if ( Pwm_Channel >= 0)
{
Pwm_Channel_Brightness = 0;
delay(delay_per_Stage_in_ms);
Pwm_Channel--;
if ( Pwm_Channel < 0)
{
Pwm_Channel =0;
break;
}
}
}
}
void Up_to_DOWN_OFF()
{
Pwm_Channel = Num_Stages;
Pwm_Channel_Brightness = 4095;
while (Pwm_Channel > -1)
{
Wire.beginTransmission(PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +8); // Wähle PWM_Channel_0_OFF_L register
Wire.write((byte)Pwm_Channel_Brightness & 0xFF); // Wert für o.g. Register
Wire.endTransmission();
Wire.beginTransmission(PWM_Module_Base_Addr);
Wire.write(Pwm_Channel * 4 +9); // Wähle PWM_Channel_0_OFF_H register
Wire.write((Pwm_Channel_Brightness >> 8)); // Wert für o.g. Register
Wire.endTransmission();
if (Pwm_Channel_Brightness > 0)
{
Pwm_Channel_Brightness = Pwm_Channel_Brightness - Delay_Stages;
if (Pwm_Channel_Brightness < 0) {Pwm_Channel_Brightness = 0;}
} else if ( Pwm_Channel >= 0)
{
Pwm_Channel_Brightness = 4095;
delay(delay_per_Stage_in_ms);
Pwm_Channel--;
if ( Pwm_Channel < 0)
{
Pwm_Channel =0;
break;
}
}
}
}
void loop()
{
if ((Motion_Trigger_Down_to_Up) and !(On_Delay) )
{
Seconds24 = 0;
On_Delay = true;
Down_to_Up_ON();
}
if ((On_Delay) and (Seconds24 > Delay_ON_to_OFF) and (Motion_Trigger_Down_to_Up) )
{
Down_to_Up_OFF();
Motion_Trigger_Down_to_Up = false;
On_Delay = false;
Seconds24 = 0;
}
if ((Motion_Trigger_Up_to_Down) and !(On_Delay) )
{
Seconds24 = 0;
On_Delay = true;
Up_to_DOWN_ON();
}
if ((On_Delay) and (Seconds24 > Delay_ON_to_OFF) and (Motion_Trigger_Up_to_Down))
{
Up_to_DOWN_OFF();
Motion_Trigger_Up_to_Down = false;
On_Delay = false;
Seconds24 = 0;
}
}