Put this up in globals:
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byte DaylightPWMValue=0; // For cloud code
boolean FireInTheHole=false; // True if trigger has been sent
byte TriggerChannel=1; // Dimming expansion channel to look for lightning trigger
byte Trigger=150; // Value sent to RANet Dimming module to trigger lightning strikesCode: Select all
// Cloud/lightning lighting control
FireInTheHole=false;
ReefAngel.PWM.Channel0PWMSlope(30); // Set actinic channel
DaylightPWMValue=PWMSlope(10,30,22,00,0,100,60,0);
CheckCloud(); // Check to see if it's time for a cloud/lightning
if (!FireInTheHole) ReefAngel.PWM.SetChannel(1,DaylightPWMValue); // Whites are on channel 1Here are the functions you will need to add to your code to produce the clouds and lightning. Add this to the very end past the last }.
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// Random Cloud/Thunderstorm effects function
void CheckCloud()
{
// ------------------------------------------------------------
// Change the values below to customize your cloud/storm effect
// Frequency in days based on the day of the month - number 2 means every 2 days, for example (day 2,4,6 etc)
// For testing purposes, you can use 1 and cause the cloud to occur everyday
#define Clouds_Every_X_Days 1
// Percentage chance of a cloud happening today
// For testing purposes, you can use 100 and cause the cloud to have 100% chance of happening
#define Cloud_Chance_per_Day 100
// Minimum number of minutes for cloud duration. Don't use max duration of less than 6
#define Min_Cloud_Duration 7
// Maximum number of minutes for the cloud duration. Don't use max duration of more than 255
#define Max_Cloud_Duration 7
// Minimum number of clouds that can happen per day
#define Min_Clouds_per_Day 3
// Maximum number of clouds that can happen per day
#define Max_Clouds_per_Day 4
// Only start the cloud effect after this setting
// In this example, start cloud after noon
#define Start_Cloud_After NumMins(12,00)
// Always end the cloud effect before this setting
// In this example, end cloud before 9:00pm
#define End_Cloud_Before NumMins(21,00)
// Percentage chance of a lightning happen for every cloud
// For testing purposes, you can use 100 and cause the lightning to have 100% chance of happening
#define Lightning_Change_per_Cloud 100
// Note: Make sure to choose correct values that will work within your PWMSLope settings.
// For example, in our case, we could have a max of 5 clouds per day and they could last for 50 minutes.
// Which could mean 250 minutes of clouds. We need to make sure the PWMSlope can accomodate 250 minutes of effects or unforseen resuls could happen.
// Also, make sure that you can fit double those minutes between Start_Cloud_After and End_Cloud_Before.
// In our example, we have 510 minutes between Start_Cloud_After and End_Cloud_Before, so double the 250 minutes (or 500 minutes) can fit in that 510 minutes window.
// It's a tight fit, but it did.
//#define printdebug // Uncomment this for debug print on Serial Monitor window
#define forcecloudcalculation // Uncomment this to force the cloud calculation to happen in the boot process.
// Add Random Lightning modes
#define Calm 0 // No lightning
#define Slow 1 // 5 seconds of slow lightning in the middle of a cloud for ELN style (slow response) drivers
#define Fast 2 // 5 seconds of fast lightning in the middle of a cloud for LDD style (fast response) drivers
#define Mega 3 // Lightning throughout the cloud, higher chance as it gets darker
#define Mega2 4 // Like Mega, but with more lightning
// Set which modes you want to use
// Example: { Slow, Fast, Mega, Mega2 } to randomize all four modes.
// { Mega2 } for just Mega2. { Mega, Mega, Fast} for Mega and Fast, with twice the chance of Mega.
byte LightningModes[] = {Mega2,Mega,Mega,Calm};
// Change the values above to customize your cloud/storm effect
// ------------------------------------------------------------
// Do not change anything below here
static byte cloudchance=255;
static byte cloudduration=0;
static int cloudstart=0;
static byte numclouds=0;
static byte lightningchance=0;
static byte cloudindex=0;
static byte lightningstatus=0;
static int LastNumMins=0;
static byte lightningMode=0;
static boolean chooseLightning=true;
static time_t DelayCounter=millis(); // Variable for lightning timing.
static int DelayTime=random(1000); // Variable for lightning timimg.
// Every day at midnight, we check for chance of cloud happening today
if (hour()==0 && minute()==0 && second()==0) cloudchance=255;
#ifdef forcecloudcalculation
if (cloudchance==255)
#else
if (hour()==0 && minute()==0 && second()==1 && cloudchance==255)
#endif
{
randomSeed(millis()); // Seed the random number generator
//Pick a random number between 0 and 99
cloudchance=random(100);
// if picked number is greater than Cloud_Chance_per_Day, we will not have clouds today
if (cloudchance>Cloud_Chance_per_Day) cloudchance=0;
// Check if today is day for clouds.
if ((day()%Clouds_Every_X_Days)!=0) cloudchance=0;
// If we have cloud today
if (cloudchance)
{
// pick a random number for number of clouds between Min_Clouds_per_Day and Max_Clouds_per_Day
numclouds=random(Min_Clouds_per_Day,Max_Clouds_per_Day);
// pick the time that the first cloud will start
// the range is calculated between Start_Cloud_After and the even distribuition of clouds on this day.
cloudstart=random(Start_Cloud_After,Start_Cloud_After+((End_Cloud_Before-Start_Cloud_After)/(numclouds*2)));
// pick a random number for the cloud duration of first cloud.
cloudduration=random(Min_Cloud_Duration,Max_Cloud_Duration);
//Pick a random number between 0 and 99
lightningchance=random(100);
// if picked number is greater than Lightning_Change_per_Cloud, we will not have lightning today
if (lightningchance>Lightning_Change_per_Cloud) lightningchance=0;
}
}
// Now that we have all the parameters for the cloud, let's create the effect
if (cloudchance)
{
//is it time for cloud yet?
if (NumMins(hour(),minute())>=cloudstart && NumMins(hour(),minute())<(cloudstart+cloudduration))
{
DaylightPWMValue=ReversePWMSlope(cloudstart,cloudstart+cloudduration,DaylightPWMValue,0,180);
if (chooseLightning)
{
lightningMode=LightningModes[random(100)%sizeof(LightningModes)];
chooseLightning=false;
}
switch (lightningMode)
{
case Calm:
break;
case Mega:
// Lightning chance from beginning of cloud through the end. Chance increases with darkness of cloud.
if (lightningchance && random(ReversePWMSlope(cloudstart,cloudstart+cloudduration,100,0,180))<1 && (millis()-DelayCounter)>DelayTime)
{
// Send the trigger
WriteTrigger();
DelayCounter=millis(); // If we just had a round of flashes, then lets put in a longer delay
DelayTime=random(1000); // of up to a second for dramatic effect before we do another round.
}
break;
case Mega2:
// Higher lightning chance from beginning of cloud through the end. Chance increases with darkness of cloud.
if (lightningchance && random(ReversePWMSlope(cloudstart,cloudstart+cloudduration,100,0,180))<2)
{
WriteTrigger();
}
break;
case Fast:
// 5 seconds of lightning in the middle of the cloud
if (lightningchance && (NumMins(hour(),minute())==(cloudstart+(cloudduration/2))) && second()<5 && (millis()-DelayCounter)>DelayTime)
{
WriteTrigger();
DelayCounter=millis(); // If we just had a round of flashes, then lets put in a longer delay
DelayTime=random(1000); // of up to a second for dramatic effect before we do another round.
}
break;
case Slow:
// Slow lightning for 5 seconds in the middle of the cloud. Suitable for slower ELN style drivers
if (lightningchance && (NumMins(hour(),minute())==(cloudstart+(cloudduration/2))) && second()<5)
{
if (random(100)<20) lightningstatus=1;
else lightningstatus=0;
if (lightningstatus)
{
DaylightPWMValue=100;
}
else
{
DaylightPWMValue=0;
}
delay(1);
}
break;
default:
break;
}
}
else
{
chooseLightning=true; // Reset the flag to choose a new lightning type
}
if (NumMins(hour(),minute())>(cloudstart+cloudduration))
{
cloudindex++;
if (cloudindex < numclouds)
{
cloudstart=random(Start_Cloud_After+(((End_Cloud_Before-Start_Cloud_After)/(numclouds*2))*cloudindex*2),(Start_Cloud_After+(((End_Cloud_Before-Start_Cloud_After)/(numclouds*2))*cloudindex*2))+((End_Cloud_Before-Start_Cloud_After)/(numclouds*2)));
// pick a random number for the cloud duration of first cloud.
cloudduration=random(Min_Cloud_Duration,Max_Cloud_Duration);
//Pick a random number between 0 and 99
lightningchance=random(100);
// if picked number is greater than Lightning_Change_per_Cloud, we will not have lightning today
if (lightningchance>Lightning_Change_per_Cloud) lightningchance=0;
}
}
}
// Write the times of the next cloud, next lightning, and cloud duration to the screen and into some customvars for the Portal.
if (LastNumMins!=NumMins(hour(),minute()))
{
LastNumMins=NumMins(hour(),minute());
/*ReefAngel.LCD.Clear(255,0,120,132,132);
ReefAngel.LCD.DrawText(0,255,5,120,"C");
ReefAngel.LCD.DrawText(0,255,11,120,"00:00");
ReefAngel.LCD.DrawText(0,255,45,120,"L");
ReefAngel.LCD.DrawText(0,255,51,120,"00:00"); */
if (cloudchance && (NumMins(hour(),minute())<cloudstart))
{
int x=0;
if ((cloudstart/60)>=10) x=11;
else x=17;
//ReefAngel.LCD.DrawText(0,255,x,120,(cloudstart/60));
ReefAngel.CustomVar[3]=cloudstart/60; // Write the hour of the next cloud to custom variable for Portal reporting
if ((cloudstart%60)>=10) x=29;
else x=35;
//ReefAngel.LCD.DrawText(0,255,x,120,(cloudstart%60));
ReefAngel.CustomVar[4]=cloudstart%60; // Write the minute of the next cloud to custom variable for Portal reporting
}
//ReefAngel.LCD.DrawText(0,255,90,120,cloudduration);
ReefAngel.CustomVar[7]=(cloudduration); // Put the duration of the next cloud in a custom var for the portal
if (lightningchance)
{
int x=0;
if (((cloudstart+(cloudduration/2))/60)>=10) x=51;
else x=57;
//ReefAngel.LCD.DrawText(0,255,x,120,((cloudstart+(cloudduration/2))/60));
ReefAngel.CustomVar[5]=(cloudstart+(cloudduration/2))/60; // Write the hour of the next lightning to a custom variable for the Portal
if (((cloudstart+(cloudduration/2))%60)>=10) x=69;
else x=75;
//ReefAngel.LCD.DrawText(0,255,x,120,((cloudstart+(cloudduration/2))%60)); // Write the minute of the next lightning to a custom variable for the Portal
ReefAngel.CustomVar[6]=(cloudstart+(cloudduration/2))%60;
}
}
}
byte ReversePWMSlope(long cstart,long cend,byte PWMStart,byte PWMEnd, byte clength)
{
long n=elapsedSecsToday(now());
cstart*=60;
cend*=60;
if (n<cstart) return PWMStart;
if (n>=cstart && n<=(cstart+clength)) return map(n,cstart,cstart+clength,PWMStart,PWMEnd);
if (n>(cstart+clength) && n<(cend-clength)) return PWMEnd;
if (n>=(cend-clength) && n<=cend) return map(n,cend-clength,cend,PWMEnd,PWMStart);
if (n>cend) return PWMStart;
}
void WriteTrigger()
{
FireInTheHole = true;
ReefAngel.PWM.SetChannel(TriggerChannel, Trigger);
}
The RANet receiver itself must be reprogrammed. Remove the RANet receiver from the dimming expansion module.
Notice the bottom row of 6 pins marked JP2. You will need to connect your RA programming cable to here. The black wire goes to the left side on the pin marked GND. Load up the RA Arduino program. Under Tools -> Board, select "Reef Angel Controller w/ optiboot". Select the appropriate serial port as well. Load in the following code and upload to the RANet receiver.
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#include <Wire.h>
#include <avr/eeprom.h>
#define BLUE_LED 9
#define WHITE_LED 10
#define BLUE_INTENSITY 255
#define WHITE_INTENSITY 255
#define RANET_MAX_SIZE 64
#define DISCONNECT_TIMEOUT 2000
#define LastFallback0 100 // Memory location for fallback storage
#define RANet_Down 0
#define RANet_OK 1
byte Trigger=150; // Trigger value for lightning effect
byte TriggerChannel=1; // Channel to look for the trigger on
byte buffer_index;
byte buffer[128];
char buf[3];
byte bufint, bufsize;
byte RANetData[RANET_MAX_SIZE];
byte RANetCRC;
byte BlueChannel=0;
byte WhiteChannel=0;
byte RANet_Status=RANet_Down;
boolean cable_present=false;
unsigned long lastmillis=millis();
unsigned long lastcablecheck=millis();
void setup()
{
pinMode(BLUE_LED,OUTPUT);
pinMode(WHITE_LED,OUTPUT);
Serial.begin(57600);
Wire.onReceive(NULL);
Wire.onRequest(NULL);
Wire.begin();
for (int a=0;a<RANET_MAX_SIZE; a++) // Clear array
RANetData[a]=0;
Wire.beginTransmission(0x68);
Wire.write(0);
int a=Wire.endTransmission();
cable_present=(a==0);
// setup PCA9685 for data receive
// we need this to make sure it will work if connected ofter controller is booted, so we need to send it all the time.
Wire.beginTransmission(0x40);
Wire.write(0);
Wire.write(0xa1);
Wire.endTransmission();
}
void loop()
{
if (cable_present)
{
BlueChannel=100;
WhiteChannel=0;
analogWrite(WHITE_LED,WHITE_INTENSITY*WhiteChannel/100);
analogWrite(BLUE_LED,BLUE_INTENSITY*BlueChannel/100);
}
else
{
BlueChannel=0;
WhiteChannel=0;
while(Serial.available())
{
UpdateWhiteChannel();
char c = Serial.read(); // Read each incoming byte
buffer[buffer_index]=c; // store in the buffer array
if (c==10) // if line feed we analyze the payload
{
if (buffer_index>25) // only need to analyse if buffer_index is greater than 25, otherwise the payload is broken or corrupt
if (buffer_index==buffer[1]) // check if payload matches the length the controller sent
{
UpdateWhiteChannel();
RANetCRC=0;
for (int a=0; a<(buffer_index-2); a++) // calculate CRC
RANetCRC+=buffer[a];
UpdateWhiteChannel();
if (RANetCRC==buffer[buffer_index-2]) // if CRC matches
{
UpdateWhiteChannel();
for (int a=0; a<(buffer_index-2); a++) // Copy buffer to RANetData
RANetData[a]=buffer[a];
UpdateWhiteChannel();
lastmillis=millis();
// Serial.print(millis());
// Serial.print("\t");
// Serial.println(RANetData[2]);
for (int a=0;a<8;a++)
{
if (eeprom_read_byte((unsigned char *) LastFallback0+a)!=RANetData[10+a])
{
eeprom_write_byte((unsigned char *) LastFallback0+a, RANetData[10+a]);
}
Wire.beginTransmission(0x38+a);
Wire.write(~RANetData[2+a]);
Wire.endTransmission();
}
// Check for lightning trigger
if (RANetData[18+TriggerChannel] == Trigger) Lightning();
else // If the trigger has not been sent
{
for (int a=0;a<6;a++) // send along the data
{
int newdata=(int)(RANetData[18+a]*40.95);
Wire.beginTransmission(0x40);
Wire.write(0x8+(4*a));
Wire.write(newdata&0xff);
Wire.write(newdata>>8);
Wire.endTransmission();
}
}
UpdateWhiteChannel();
RANet_Status=RANet_OK;
}
}
buffer_index=255; // reset buffer index
}
UpdateWhiteChannel();
if (buffer_index++>=128) buffer_index=0; // increment index of buffer array. reset index if >=128
}
if (millis()-lastmillis>DISCONNECT_TIMEOUT)
{
lastmillis=millis();
// Serial.println("Disconnected");
// Serial.print(millis());
// Serial.print("\t");
// Serial.println(RANetData[10]);
for (int a=0;a<8;a++)
{
Wire.beginTransmission(0x38+a);
Wire.write(~eeprom_read_byte((unsigned char *) LastFallback0+a));
Wire.endTransmission();
}
RANet_Status=RANet_Down;
}
if (RANet_Status==RANet_Down)
{
BlueChannel=0;
WhiteChannel=millis()%2000<1000?0:100;
analogWrite(WHITE_LED,WHITE_INTENSITY*WhiteChannel/100);
analogWrite(BLUE_LED,BLUE_INTENSITY*BlueChannel/100);
}
}
}
void UpdateWhiteChannel()
{
WhiteChannel=sin(radians((millis()%7200)/40))*255;
BlueChannel=255-(sin(radians((millis()%7200)/40))*255);
analogWrite(WHITE_LED,WhiteChannel);
analogWrite(BLUE_LED,BlueChannel);
}
void Lightning()
{
int a=random(1,5); // Pick a number of consecutive flashes from 1 to 4.
for (int i=0; i<a; i++)
{
// Flash on
int newdata=4095;
Wire.beginTransmission(0x40); // Address of the dimming expansion module
Wire.write(0x8+(4*1)); // 0x8 is channel 0, 0x12 is channel 1, etc. I'm using channel 1.
Wire.write(newdata&0xff); // Send the data 8 bits at a time. This sends the LSB
Wire.write(newdata>>8); // This sends the MSB
Wire.endTransmission();
int randy=random(20,80); // Random number for a delay
if (randy>71) randy=((randy-70)/2)*100; // Small chance of a longer delay
delay(randy); // Wait from 20 to 69 ms, or 100-400 ms
// Flash off
newdata=0;
Wire.beginTransmission(0x40); // Same as above
Wire.write(0x8+(4*1));
Wire.write(newdata&0xff);
Wire.write(newdata>>8);
Wire.endTransmission();
delay(random(30,50)); // Wait from 30 to 49 ms
}
}
//00301200000000000000050000000000000000000000000047
//01301200000000000000050000000000000000000000000048
//02301200000000000000050000000000000000000000000049
//0330120000000000000005000000000000000000000000004a
