Code:
// SN74141 : Truth Table
//D C B A #
//L,L,L,L 0
//L,L,L,H 1
//L,L,H,L 2
//L,L,H,H 3
//L,H,L,L 4
//L,H,L,H 5
//L,H,H,L 6
//L,H,H,H 7
//H,L,L,L 8
//H,L,L,H 9
int ledPin_0_a = 2;
int ledPin_0_b = 3;
int ledPin_0_c = 4;
int ledPin_0_d = 5;
int ledPin_1_a = 6;
int ledPin_1_b = 7;
int ledPin_1_c = 8;
int ledPin_1_d = 9;
int ledPin_a_1 = 10;
int ledPin_a_2 = 11;
int ledPin_a_3 = 12;
int ledPin_a_4 = 13;
void setup()
{
pinMode(ledPin_0_a, OUTPUT);
pinMode(ledPin_0_b, OUTPUT);
pinMode(ledPin_0_c, OUTPUT);
pinMode(ledPin_0_d, OUTPUT);
pinMode(ledPin_1_a, OUTPUT);
pinMode(ledPin_1_b, OUTPUT);
pinMode(ledPin_1_c, OUTPUT);
pinMode(ledPin_1_d, OUTPUT);
pinMode(ledPin_a_1, OUTPUT);
pinMode(ledPin_a_2, OUTPUT);
pinMode(ledPin_a_3, OUTPUT);
// NOTE:
// Grounding on virtual pins 14 and 15 (analog pins 0 and 1) will set the Hour and Mins.
pinMode( 14, INPUT ); // set the vertual pin 14 (pin 0 on the analog inputs )
digitalWrite(14, HIGH); // set pin 14 as a pull up resistor.
pinMode( 15, INPUT ); // set the vertual pin 15 (pin 1 on the analog inputs )
digitalWrite(15, HIGH); // set pin 15 as a pull up resistor.
}
void SetSN74141Chips( int num2, int num1 )
{
int a,b,c,d;
// set defaults.
a=0;b=0;c=0;d=0; // will display a zero.
// Load the a,b,c,d.. to send to the SN74141 IC (1)
switch( num1 )
{
case 0: a=0;b=0;c=0;d=0;break;
case 1: a=1;b=0;c=0;d=0;break;
case 2: a=0;b=1;c=0;d=0;break;
case 3: a=1;b=1;c=0;d=0;break;
case 4: a=0;b=0;c=1;d=0;break;
case 5: a=1;b=0;c=1;d=0;break;
case 6: a=0;b=1;c=1;d=0;break;
case 7: a=1;b=1;c=1;d=0;break;
case 8: a=0;b=0;c=0;d=1;break;
case 9: a=1;b=0;c=0;d=1;break;
default: a=1;b=1;c=1;d=1;
break;
}
// Write to output pins.
digitalWrite(ledPin_0_d, d);
digitalWrite(ledPin_0_c, c);
digitalWrite(ledPin_0_b, b);
digitalWrite(ledPin_0_a, a);
// Load the a,b,c,d.. to send to the SN74141 IC (2)
switch( num2 )
{
case 0: a=0;b=0;c=0;d=0;break;
case 1: a=1;b=0;c=0;d=0;break;
case 2: a=0;b=1;c=0;d=0;break;
case 3: a=1;b=1;c=0;d=0;break;
case 4: a=0;b=0;c=1;d=0;break;
case 5: a=1;b=0;c=1;d=0;break;
case 6: a=0;b=1;c=1;d=0;break;
case 7: a=1;b=1;c=1;d=0;break;
case 8: a=0;b=0;c=0;d=1;break;
case 9: a=1;b=0;c=0;d=1;break;
default: a=1;b=1;c=1;d=1;
break;
}
// Write to output pins
digitalWrite(ledPin_1_d, d);
digitalWrite(ledPin_1_c, c);
digitalWrite(ledPin_1_b, b);
digitalWrite(ledPin_1_a, a);
}
float fadeIn = 8.0f;
float fadeOut = 8.0f;
float fadeMax = 8.0f;
float fadeStep = 0.4f;
int NumberArray[6]={0,0,0,0,0,0};
int currNumberArray[6]={0,0,0,0,0,0};
float NumberArrayFadeInValue[6]={0.0f,0.0f,0.0f,0.0f,0.0f,0.0f};
float NumberArrayFadeOutValue[6]={8.0f,8.0f,8.0f,8.0f,8.0f,8.0f};
void DisplayFadeNumberString()
{
// Anode channel 1 - numerals 0,3
SetSN74141Chips(currNumberArray[0],currNumberArray[3]);
digitalWrite(ledPin_a_1, HIGH);
delay(NumberArrayFadeOutValue[0]);
SetSN74141Chips(NumberArray[0],NumberArray[3]);
delay(NumberArrayFadeInValue[0]);
digitalWrite(ledPin_a_1, LOW);
// Anode channel 2 - numerals 1,4
SetSN74141Chips(currNumberArray[1],currNumberArray[4]);
digitalWrite(ledPin_a_2, HIGH);
delay(NumberArrayFadeOutValue[1]);
SetSN74141Chips(NumberArray[1],NumberArray[4]);
delay(NumberArrayFadeInValue[1]);
digitalWrite(ledPin_a_2, LOW);
// Anode channel 3 - numerals 2,5
SetSN74141Chips(currNumberArray[2],currNumberArray[5]);
digitalWrite(ledPin_a_3, HIGH);
delay(NumberArrayFadeOutValue[2]);
SetSN74141Chips(NumberArray[2],NumberArray[5]);
delay(NumberArrayFadeInValue[2]);
digitalWrite(ledPin_a_3, LOW);
// Loop thru and update all the arrays, and fades.
for( int i = 0 ; i < 6 ; i ++ )
{
if( NumberArray[i] != currNumberArray[i] )
{
NumberArrayFadeInValue[i] += fadeStep;
NumberArrayFadeOutValue[i] -= fadeStep;
if( NumberArrayFadeInValue[i] >= fadeMax )
{
NumberArrayFadeInValue[i] = 0.0f;
NumberArrayFadeOutValue[i] = fadeMax;
currNumberArray[i] = NumberArray[i];
}
}
}
}
// Defines
long MINS = 60; // 60 Seconds in a Min.
long HOURS = 60 * MINS; // 60 Mins in an hour.
long DAYS = 12 * HOURS; // 24 Hours in a day. > Note: change the 24 to a 12 for non millitary time.
long runTime = 0; // Time from when we started.
// default time sets. clock will start at 12:34:00. This is so we can count the correct order of tubes.
long clockHourSet = 12;
long clockMinSet = 34;
int HourButtonPressed = false;
int MinButtonPressed = false;
////////////////////////////////////////////////////////////////////////
//
//
////////////////////////////////////////////////////////////////////////
void loop()
{
// Get milliseconds.
runTime = millis();
int hourInput = digitalRead(14);
int minInput = digitalRead(15);
if( hourInput == 0 )
HourButtonPressed = true;
if( minInput == 0 )
MinButtonPressed = true;
if( HourButtonPressed == true && hourInput == 1 )
{
clockHourSet++;
HourButtonPressed = false;
}
if( MinButtonPressed == true && minInput == 1 )
{
clockMinSet++;
MinButtonPressed = false;
}
// Get time in seconds.
long time = (runTime) / 1000; //////////change this value to speed up or slow down the clock
// Set time based on offset..
// long hbump = 60*60*clockHourSet;
long hbump = 60*60*clockHourSet;
long mbump = 60*clockMinSet;
time += mbump + hbump;
// Convert time to days,hours,mins,seconds
long days = time / DAYS; time -= days * DAYS;
long hours = time / HOURS; time -= hours * HOURS;
long minutes = time / MINS; time -= minutes * MINS;
long seconds = time;
// Get the high and low order values for hours,min,seconds.
int lowerHours = hours % 10;
int upperHours = hours - lowerHours;
int lowerMins = minutes % 10;
int upperMins = minutes - lowerMins;
int lowerSeconds = seconds % 10;
int upperSeconds = seconds - lowerSeconds;
if( upperSeconds >= 10 ) upperSeconds = upperSeconds / 10;
if( upperMins >= 10 ) upperMins = upperMins / 10;
if( upperHours >= 10 ) upperHours = upperHours / 10;
if( upperHours == 0 && lowerHours == 0 )
{
upperHours = 1;
lowerHours = 2;
}
// Fill in the Number array used to display on the tubes.
NumberArray[5] = upperHours;
NumberArray[1] = lowerHours;
NumberArray[3] = upperMins;
NumberArray[2] = lowerMins;
NumberArray[4] = upperSeconds;
NumberArray[0] = lowerSeconds;
// Display.
DisplayFadeNumberString();
}
//D C B A #
//L,L,L,L 0
//L,L,L,H 1
//L,L,H,L 2
//L,L,H,H 3
//L,H,L,L 4
//L,H,L,H 5
//L,H,H,L 6
//L,H,H,H 7
//H,L,L,L 8
//H,L,L,H 9
int ledPin_0_a = 2;
int ledPin_0_b = 3;
int ledPin_0_c = 4;
int ledPin_0_d = 5;
int ledPin_1_a = 6;
int ledPin_1_b = 7;
int ledPin_1_c = 8;
int ledPin_1_d = 9;
int ledPin_a_1 = 10;
int ledPin_a_2 = 11;
int ledPin_a_3 = 12;
int ledPin_a_4 = 13;
void setup()
{
pinMode(ledPin_0_a, OUTPUT);
pinMode(ledPin_0_b, OUTPUT);
pinMode(ledPin_0_c, OUTPUT);
pinMode(ledPin_0_d, OUTPUT);
pinMode(ledPin_1_a, OUTPUT);
pinMode(ledPin_1_b, OUTPUT);
pinMode(ledPin_1_c, OUTPUT);
pinMode(ledPin_1_d, OUTPUT);
pinMode(ledPin_a_1, OUTPUT);
pinMode(ledPin_a_2, OUTPUT);
pinMode(ledPin_a_3, OUTPUT);
// NOTE:
// Grounding on virtual pins 14 and 15 (analog pins 0 and 1) will set the Hour and Mins.
pinMode( 14, INPUT ); // set the vertual pin 14 (pin 0 on the analog inputs )
digitalWrite(14, HIGH); // set pin 14 as a pull up resistor.
pinMode( 15, INPUT ); // set the vertual pin 15 (pin 1 on the analog inputs )
digitalWrite(15, HIGH); // set pin 15 as a pull up resistor.
}
void SetSN74141Chips( int num2, int num1 )
{
int a,b,c,d;
// set defaults.
a=0;b=0;c=0;d=0; // will display a zero.
// Load the a,b,c,d.. to send to the SN74141 IC (1)
switch( num1 )
{
case 0: a=0;b=0;c=0;d=0;break;
case 1: a=1;b=0;c=0;d=0;break;
case 2: a=0;b=1;c=0;d=0;break;
case 3: a=1;b=1;c=0;d=0;break;
case 4: a=0;b=0;c=1;d=0;break;
case 5: a=1;b=0;c=1;d=0;break;
case 6: a=0;b=1;c=1;d=0;break;
case 7: a=1;b=1;c=1;d=0;break;
case 8: a=0;b=0;c=0;d=1;break;
case 9: a=1;b=0;c=0;d=1;break;
default: a=1;b=1;c=1;d=1;
break;
}
// Write to output pins.
digitalWrite(ledPin_0_d, d);
digitalWrite(ledPin_0_c, c);
digitalWrite(ledPin_0_b, b);
digitalWrite(ledPin_0_a, a);
// Load the a,b,c,d.. to send to the SN74141 IC (2)
switch( num2 )
{
case 0: a=0;b=0;c=0;d=0;break;
case 1: a=1;b=0;c=0;d=0;break;
case 2: a=0;b=1;c=0;d=0;break;
case 3: a=1;b=1;c=0;d=0;break;
case 4: a=0;b=0;c=1;d=0;break;
case 5: a=1;b=0;c=1;d=0;break;
case 6: a=0;b=1;c=1;d=0;break;
case 7: a=1;b=1;c=1;d=0;break;
case 8: a=0;b=0;c=0;d=1;break;
case 9: a=1;b=0;c=0;d=1;break;
default: a=1;b=1;c=1;d=1;
break;
}
// Write to output pins
digitalWrite(ledPin_1_d, d);
digitalWrite(ledPin_1_c, c);
digitalWrite(ledPin_1_b, b);
digitalWrite(ledPin_1_a, a);
}
float fadeIn = 8.0f;
float fadeOut = 8.0f;
float fadeMax = 8.0f;
float fadeStep = 0.4f;
int NumberArray[6]={0,0,0,0,0,0};
int currNumberArray[6]={0,0,0,0,0,0};
float NumberArrayFadeInValue[6]={0.0f,0.0f,0.0f,0.0f,0.0f,0.0f};
float NumberArrayFadeOutValue[6]={8.0f,8.0f,8.0f,8.0f,8.0f,8.0f};
void DisplayFadeNumberString()
{
// Anode channel 1 - numerals 0,3
SetSN74141Chips(currNumberArray[0],currNumberArray[3]);
digitalWrite(ledPin_a_1, HIGH);
delay(NumberArrayFadeOutValue[0]);
SetSN74141Chips(NumberArray[0],NumberArray[3]);
delay(NumberArrayFadeInValue[0]);
digitalWrite(ledPin_a_1, LOW);
// Anode channel 2 - numerals 1,4
SetSN74141Chips(currNumberArray[1],currNumberArray[4]);
digitalWrite(ledPin_a_2, HIGH);
delay(NumberArrayFadeOutValue[1]);
SetSN74141Chips(NumberArray[1],NumberArray[4]);
delay(NumberArrayFadeInValue[1]);
digitalWrite(ledPin_a_2, LOW);
// Anode channel 3 - numerals 2,5
SetSN74141Chips(currNumberArray[2],currNumberArray[5]);
digitalWrite(ledPin_a_3, HIGH);
delay(NumberArrayFadeOutValue[2]);
SetSN74141Chips(NumberArray[2],NumberArray[5]);
delay(NumberArrayFadeInValue[2]);
digitalWrite(ledPin_a_3, LOW);
// Loop thru and update all the arrays, and fades.
for( int i = 0 ; i < 6 ; i ++ )
{
if( NumberArray[i] != currNumberArray[i] )
{
NumberArrayFadeInValue[i] += fadeStep;
NumberArrayFadeOutValue[i] -= fadeStep;
if( NumberArrayFadeInValue[i] >= fadeMax )
{
NumberArrayFadeInValue[i] = 0.0f;
NumberArrayFadeOutValue[i] = fadeMax;
currNumberArray[i] = NumberArray[i];
}
}
}
}
// Defines
long MINS = 60; // 60 Seconds in a Min.
long HOURS = 60 * MINS; // 60 Mins in an hour.
long DAYS = 12 * HOURS; // 24 Hours in a day. > Note: change the 24 to a 12 for non millitary time.
long runTime = 0; // Time from when we started.
// default time sets. clock will start at 12:34:00. This is so we can count the correct order of tubes.
long clockHourSet = 12;
long clockMinSet = 34;
int HourButtonPressed = false;
int MinButtonPressed = false;
////////////////////////////////////////////////////////////////////////
//
//
////////////////////////////////////////////////////////////////////////
void loop()
{
// Get milliseconds.
runTime = millis();
int hourInput = digitalRead(14);
int minInput = digitalRead(15);
if( hourInput == 0 )
HourButtonPressed = true;
if( minInput == 0 )
MinButtonPressed = true;
if( HourButtonPressed == true && hourInput == 1 )
{
clockHourSet++;
HourButtonPressed = false;
}
if( MinButtonPressed == true && minInput == 1 )
{
clockMinSet++;
MinButtonPressed = false;
}
// Get time in seconds.
long time = (runTime) / 1000; //////////change this value to speed up or slow down the clock
// Set time based on offset..
// long hbump = 60*60*clockHourSet;
long hbump = 60*60*clockHourSet;
long mbump = 60*clockMinSet;
time += mbump + hbump;
// Convert time to days,hours,mins,seconds
long days = time / DAYS; time -= days * DAYS;
long hours = time / HOURS; time -= hours * HOURS;
long minutes = time / MINS; time -= minutes * MINS;
long seconds = time;
// Get the high and low order values for hours,min,seconds.
int lowerHours = hours % 10;
int upperHours = hours - lowerHours;
int lowerMins = minutes % 10;
int upperMins = minutes - lowerMins;
int lowerSeconds = seconds % 10;
int upperSeconds = seconds - lowerSeconds;
if( upperSeconds >= 10 ) upperSeconds = upperSeconds / 10;
if( upperMins >= 10 ) upperMins = upperMins / 10;
if( upperHours >= 10 ) upperHours = upperHours / 10;
if( upperHours == 0 && lowerHours == 0 )
{
upperHours = 1;
lowerHours = 2;
}
// Fill in the Number array used to display on the tubes.
NumberArray[5] = upperHours;
NumberArray[1] = lowerHours;
NumberArray[3] = upperMins;
NumberArray[2] = lowerMins;
NumberArray[4] = upperSeconds;
NumberArray[0] = lowerSeconds;
// Display.
DisplayFadeNumberString();
}
The only other thing I changed was if the clock is displaying 0 0 for the hours, I want it to say 12.
Code:
if( upperHours == 0 && lowerHours == 0 )
{
upperHours = 1;
lowerHours = 2;
}
{
upperHours = 1;
lowerHours = 2;
}
This seems to work fine.
Images: http://imgur.com/a/c79QS
Video: http://www.youtube.com/watch?v=lG1PW85CdcQ