ever since I found this http://www.thinkgeek.com/interests/moms/7437/ i've always wanted one.
last year I made a python program that ran the graphics.py library and used it on my desktop.. now that I have an arduino I wanted to make a physical one..
so I wrote all the code by hand except for the time funtions. so it's very messy I haven't had the time to clean it up and i'm sure I've made a few.........a lot of progaming sins. so feel free to pick it apart and make fun of me.. ;D it takes alot to hurt my feelings.
big thanks to raron for his help with the random function.
the clock stays surprisingly accurate I had it run for two days straight and it's not one second off. the multiplexing was tricky I couldn't understand other peoples code so i tried to make my own based on what i understood on how it works. so some how it works it may not be the right way but it works.
#include <DateTime.h>
#include <DateTimeStrings.h>
#define TIME_MSG_LEN 11 // time sync to PC is HEADER followed by unix time_t as ten ascii digits
#define TIME_HEADER 255 // Header tag for serial time sync message
int colpins[] = {13, 9, 8, 7, 6, 5, 4, 3, 2,};
int rowpins[] = {12, 11, 10};
float ms = .2;
char top;
void setup() {
Serial.begin(19200);
for (int pin=0; pin<9; pin++) {
pinMode( colpins[pin], OUTPUT );
}
for (int pin=0; pin<3; pin++) {
pinMode( rowpins[pin], OUTPUT );
}
DateTime.sync(DateTime.makeTime(0, 8, 11, 10, 4, 2010));;
}
/* void hoursplit(){
*/
int x;
int hourlist2[3];
int hourlist[9];
int minlist2[6];
int minlist[9];
int oldminute;
void loop(){
delay (ms);
int hour = (DateTime.Hour);
int minute = (DateTime.Minute);
int seconds = (DateTime.Second);
int newhour = 0;
if (seconds == 0) {
Serial.println(seconds);
// reset
for (int i = 0; i < 9; i++){
minlist[i] = 0;
hourlist[i] = 0;
}
for (int i = 0; i < 6; i++) {
minlist2[i] = 0;
}
for (int i = 0; i < 3; i++) {
hourlist2[i] = 0;
}
//math
if (hour > 12){
newhour = hour - 12;
}
if (hour < 12) {
newhour = hour;
}
if (newhour == newhour){
if (newhour == 0) {
hourlist2[0] = 1;
hourlist[0] = 1;
hourlist[1] = 1;
}
if (newhour == 12){
hourlist2[0] = 1;
hourlist[0] = 1;
hourlist[1] = 1;
}
if (newhour == 11){
hourlist2[0] = 1;
hourlist[0] = 1;
}
if (newhour == 10){
hourlist2[0] = 1;
hourlist2[1] = 0;
hourlist2[2] = 0;
for (int i = 0; i < 9; i++){
hourlist[i] = 0;
}
}
if (newhour > 0 && newhour < 10) {
for (int i = 0; i < newhour; i++){
hourlist[i] = 1;
}
}
if (minute >= 0 and minute < 10) {
minlist2[0] = 0;
minlist2[1] = 0;
minlist2[2] = 0;
minlist2[3] = 0;
minlist2[4] = 0;
minlist2[5] = 0;
minute -= 0;
for (int i = 0; i < minute; i++){
minlist[i] = 1;
}
}
if (minute >= 10 and minute < 20) {
minlist2[0] = 1;
minlist2[1] = 0;
minlist2[2] = 0;
minlist2[3] = 0;
minlist2[4] = 0;
minlist2[5] = 0;
minute -= 10;
for (int i = 0; i < minute; i++){
minlist[i] = 1;
}
}
if (minute >= 20 and minute < 30) {
minlist2[0] = 1;
minlist2[1] = 1;
minlist2[2] = 0;
minlist2[3] = 0;
minlist2[4] = 0;
minlist2[5] = 0;
minute -= 20;
for (int i = 0; i < minute; i++){
minlist[i] = 1;
}
}
if (minute >= 30 and minute < 40) {
minlist2[0] = 1;
minlist2[1] = 1;
minlist2[2] = 1;
minlist2[3] = 0;
minlist2[4] = 0;
minlist2[5] = 0;
minute -= 30;
for (int i = 0; i < minute; i++){
minlist[i] = 1;
}
}
if (minute >= 40 and minute < 50) {
minlist2[0] = 1;
minlist2[1] = 1;
minlist2[2] = 1;
minlist2[3] = 1;
minlist2[4] = 0;
minlist2[5] = 0;
minute -= 40;
for (int i = 0; i < minute; i++){
minlist[i] = 1;
}
}
if (minute >= 50 and minute < 60) {
minlist2[0] = 1;
minlist2[1] = 1;
minlist2[2] = 1;
minlist2[3] = 1;
minlist2[4] = 1;
minlist2[5] = 0;
minute -= 50;
for (int i = 0; i < minute; i++){
minlist[i] = 1;
}
}
}
}
if (seconds == 0 || seconds == 15 || seconds == 30 || seconds == 45){
if (x == 1){
x = 0;
for (int a=0; a<9; a++)
{
int r = random(a,9); // dont remember syntax just now, random from a to 8 included.
int temp = minlist[a];
minlist[a] = minlist[r];
minlist[r] = temp;
}
for (int a=0; a<9; a++)
{
int r = random(a,9); // dont remember syntax just now, random from a to 8 included.
int temp = hourlist[a];
hourlist[a] = hourlist[r];
hourlist[r] = temp;
}
for (int a=0; a<6; a++)
{
int r = random(a,6); // dont remember syntax just now, random from a to 8 included.
int temp = minlist2[a];
minlist2[a] = minlist2[r];
minlist2[r] = temp;
}
for (int a=0; a<3; a++)
{
int r = random(a,3); // dont remember syntax just now, random from a to 8 included.
int temp = hourlist2[a];
hourlist2[a] = hourlist2[r];
hourlist2[r] = temp;
}
}
}
if (seconds == 1 || seconds == 16 || seconds == 31 || seconds == 46){
x = 1;
}
// draw
int rowone[] = {hourlist2[0], hourlist[0], hourlist[1], hourlist[2], minlist2[0], minlist2[1], minlist[0], minlist[1], minlist[2]};
int rowtwo[] = {hourlist2[1], hourlist[3], hourlist[4], hourlist[5], minlist2[2], minlist2[3], minlist[3], minlist[4], minlist[5]};
int rowthree[] = {hourlist2[2], hourlist[6], hourlist[7], hourlist[8], minlist2[4], minlist2[5], minlist[6], minlist[7], minlist[8]};
delay(ms);
for (int i = 8; i >= 0; i--) {
if (rowone[i] == 1){
digitalWrite(colpins[i], HIGH);
digitalWrite(rowpins[0], HIGH);
}
}
delay(ms);
for (int i = 8; i >= 0; i--) {
digitalWrite(colpins[i], LOW);
digitalWrite(rowpins[0], LOW);
}
delay(ms);
for (int i = 8; i >= 0; i--) {
if (rowthree[i] == 1){
digitalWrite(colpins[i], HIGH);
digitalWrite(rowpins[2], HIGH);
}
}
delay(ms);
for (int i = 8; i >= 0; i--) {
digitalWrite(colpins[i], LOW);
digitalWrite(rowpins[2], LOW);
}
delay(ms);
for (int i = 8; i >= 0; i--) {
if (rowtwo[i] == 1){
digitalWrite(colpins[i], HIGH);
digitalWrite(rowpins[1], HIGH);
}
}
delay(ms);
for (int i = 8; i >= 0; i--) {
digitalWrite(colpins[i], LOW);
digitalWrite(rowpins[1], LOW);
}
delay(ms);
// Time
unsigned long prevtime;
if( getPCtime()) { // try to get time sync from pc
Serial.print("Clock synced at: ");
Serial.println(DateTime.now(),DEC);
}
if(DateTime.available()) { // update clocks if time has been synced
digitalWrite(13,LOW); // first flash the LED
prevtime = DateTime.now();
DateTime.available(); //refresh the Date and time properties
}
}
boolean getPCtime() {
// if time sync available from serial port, update time and return true
while(Serial.available() >= TIME_MSG_LEN ){ // time message consists of a header and ten ascii digits
if( Serial.read() == TIME_HEADER ) {
time_t pctime = 0;
for(int i=0; i < TIME_MSG_LEN -1; i++){
char c= Serial.read();
top = c;
if( c >= '0' && c <= '9'){
pctime = (10 * pctime) + (c - '0') ; // convert digits to a number
}
}
DateTime.sync(pctime); // Sync Arduino clock to the time received on the serial port
return true; // return true if time message received on the serial port
}
}
return false; //if no message return false
}
Cheers,
Dave Johnson
