void loop() {
// Some example procedures showing how to display to the pixels
colorWipe(Color(255, 0, 0), 50);
colorWipe(Color(0, 255, 0), 50);
colorWipe(Color(0, 0, 255), 50);
rainbow(20);
rainbowCycle(20);
}
//display the given time (if different from time given with prior call)
void GoldieClock::displayClock(time_t utc)
{
static time_t utcLast;
if ( utc != utcLast )
{
utcLast = utc;
time_t local = (*tz).toLocal(utc, &tcr);
uint8_t h = hour(local);
uint8_t m = minute(local);
uint8_t s = second(local);
uint8_t hourHand = ( h >= 12 ? h - 12 : h ) * 5;
hourHand = hourHand + m / 12; //adjust hour hand between hours
//one rainbow on the quarter hour, two on the half, four on the hour
if ( s == 0 && _showRainbows )
{
if ( m == 15 || m == 45 ) rainbowCycle(2, 1);
else if ( m == 30 ) rainbowCycle(2, 2);
else if ( m == 0 ) rainbowCycle(2, 4);
}
clear();
//hour hand (3 pixels wide)
setPixelColor( LAST_PIXEL - hourHand, HOUR_HAND );
setPixelColor( LAST_PIXEL - (hourHand + 1U > LAST_PIXEL ? FIRST_PIXEL : hourHand + 1U), HOUR_HAND_DIM );
setPixelColor( LAST_PIXEL - (hourHand - 1U > LAST_PIXEL ? LAST_PIXEL : hourHand - 1U), HOUR_HAND_DIM );
//minute hand & second hand -- additive colors
setPixelColor( LAST_PIXEL - m, getPixelColor(LAST_PIXEL - m) + MINUTE_HAND );
setPixelColor( LAST_PIXEL - s, getPixelColor(LAST_PIXEL - s) + SECOND_HAND );
//hour markers (do not overlay hands)
for (uint16_t i = 0; i <= LAST_PIXEL; i += 5)
if ( getPixelColor(LAST_PIXEL - i) == 0 ) setPixelColor(LAST_PIXEL - i, HOUR_MARKER);
show();
}
}
//run the clock state machine. call this function frequently from the main loop.
void GoldieClock::run(time_t utc)
{
static clockStates_t CLOCK_STATE;
btnSet.read();
btnIncr.read();
switch ( CLOCK_STATE)
{
case RUN_CLOCK:
if ( btnSet.pressedFor(SET_LONGPRESS) )
{
CLOCK_STATE = SET_CLOCK;
}
else if ( btnIncr.wasReleased() ) //toggle the quarter-hour rainbows
{
if ( _showRainbows = !_showRainbows )
{
rainbowCycle(2, 1); //show a rainbow if rainbow mode is on
}
else
{
clear(); //else just blank the display for a second
show();
delay(1000);
}
}
else
{
displayClock(utc);
}
break;
case SET_CLOCK:
if ( setClock() ) //returns true when setting complete
{
CLOCK_STATE = RUN_CLOCK;
}
break;
}
}
void quarterHour(uint8_t hour, uint8_t minute, uint16_t wait) {
uint8_t no_rows;
uint8_t y;
uint8_t x;
int16_t j;
// light number of rows depending on the hour quarter (floored to be safe)
no_rows = floor(minute / 15) * height;
// one hour indicator is actually 0 but we want full display
no_rows = (no_rows == 0) ? (4 * height) : no_rows;
solidColor(0,0,0); // turn them all off
show();
if ((hour == 12 || hour == 0 ) && minute == 0) {
rainbowCycle(25); // special edition hour for midday
} else { // fade columns in and out
for (j = 0; j <= 255; j += 5) {
for (y = 0; y < no_rows; y++) {
for (x = 0; x < PIXEL_ROW; x++) {
setPixel(pixelMap[x][y],1,Color(0,0,j));
}
}
show();
usleep(10*1000);
}
usleep(wait*1000); // show for 10s
for (j = 255; j >= 0; j -= 5) {
for (y = 0; y < no_rows; y++) {
for (x = 0; x < PIXEL_ROW; x++) {
setPixel(pixelMap[x][y],1,Color(0,0,j));
}
}
show();
usleep(10*1000);
}
}
}
int main(int argc, char **argv) {
// Check "Single Instance"
int pid_file = open("/var/run/ws2812RPi.pid", O_CREAT | O_RDWR, 0666);
int rc = flock(pid_file, LOCK_EX | LOCK_NB);
if(rc) {
if(EWOULDBLOCK == errno)
{
// another instance is running
printf("Instance already running\n");
exit(EXIT_FAILURE);
}
}
srand(time(NULL)); // seed the random number generator; should be done only once
// Catch all signals possible - it's vital we kill the DMA engine on process exit!
int i;
for (i = 0; i < 64; i++) {
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = terminate;
sigaction(i, &sa, NULL);
}
// Don't buffer console output
setvbuf(stdout, NULL, _IONBF, 0);
// How many LEDs?
numLEDs = NUM_PIXELS;
// How bright? (Recommend 0.2 for direct viewing @ 3.3V)
setBrightness(DEFAULT_BRIGHTNESS);
// Init PWM generator and clear LED buffer
initHardware();
clearLEDBuffer();
// time_t t = time(NULL);
// struct tm tm = *localtime(&t);
// printf("Start: %d-%d-%d %d:%d:%d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
while(true) {
// goto Twinkle_Test;
rainbowCycle_wipe(5);
// // tm = *localtime(&t);
// // printf("rainbowCycle_wipe() Done: %d-%d-%d %d:%d:%d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
for (i = 0; i < loops; i++) {
rainbowCycle_r(5);
}
// tm = *localtime(&t);
// printf("rainbowCycle_f() Done: %d-%d-%d %d:%d:%d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
for (i = 0; i < loops; i++) {
rainbowCycle(5);
}
// time_t t = time(NULL);
// struct tm tm = *localtime(&t);
// printf("rainbowCycle() Done: %d-%d-%d %d:%d:%d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
// RainFall(Color(0, 255, 0),5);
int lastcolour;
int randnum;
for (i = 0; i < 10; i++) {
RainLoop:
randnum = rand() % 6;
if (randnum == lastcolour) {
goto RainLoop;
}
lastcolour = randnum;
switch(randnum) {
case 0:
RainFall(Color(255, 0, 0),5,3);
break;
case 1:
RainFall(Color(255, 128, 0),5,3);
break;
case 2:
RainFall(Color(255, 255, 0),5,3);
break;
case 3:
RainFall(Color(128, 255, 0),5,3);
break;
case 4:
RainFall(Color(0, 255, 0),5,3);
break;
case 5:
RainFall(Color(0, 0, 255),5,3);
break;
case 6:
RainFall(Color(255, 0, 255),5,3);
break;
}
}
WipeColour0:
randnum = rand() % 6;
if (randnum == lastcolour) {
goto WipeColour0;
}
lastcolour = randnum;
switch(randnum) {
case 0:
colorWipe(Color(255, 0, 0),50);
break;
case 1:
colorWipe(Color(255, 128, 0),50);
break;
case 2:
colorWipe(Color(255, 255, 0),50);
break;
case 3:
colorWipe(Color(128, 255, 0),50);
break;
case 4:
colorWipe(Color(0, 255, 0),50);
break;
case 5:
colorWipe(Color(0, 0, 255),50);
break;
case 6:
colorWipe(Color(255, 0, 255),50);
break;
}
sleep(5);
for (i = 0; i < 5; i++) {
WipeColour1:
randnum = rand() % 6;
if (randnum == lastcolour) {
goto WipeColour1;
}
lastcolour = randnum;
switch(randnum) {
case 0:
colorWipe_r(Color(255, 0, 0),50);
break;
case 1:
colorWipe_r(Color(255, 128, 0),50);
break;
case 2:
colorWipe_r(Color(255, 255, 0),50);
break;
case 3:
colorWipe_r(Color(128, 255, 0),50);
break;
case 4:
colorWipe_r(Color(0, 255, 0),50);
break;
case 5:
colorWipe_r(Color(0, 0, 255),50);
break;
case 6:
colorWipe_r(Color(255, 0, 255),50);
break;
}
sleep(5);
WipeColour2:
randnum = rand() % 6;
if (randnum == lastcolour) {
goto WipeColour2;
}
lastcolour = randnum;
switch(randnum) {
case 0:
colorWipe(Color(255, 0, 0),50);
break;
case 1:
colorWipe(Color(255, 128, 0),50);
break;
case 2:
colorWipe(Color(255, 255, 0),50);
break;
case 3:
colorWipe(Color(128, 255, 0),50);
break;
case 4:
colorWipe(Color(0, 255, 0),50);
break;
case 5:
colorWipe(Color(0, 0, 255),50);
break;
case 6:
colorWipe(Color(255, 0, 255),50);
break;
}
sleep(5);
}
// Twinkle_Test:
// RainFall(Color(0, 0, 0),5,3);
// for (i=0; i < 600; i++) {
// TwinkleColour2:
// randnum = rand() % 3;
// if (randnum == lastcolour) {
// goto TwinkleColour2;
// }
// lastcolour = randnum;
// switch(randnum) {
// case 0:
// Twinkle_T(Color(0, 0, 255));
// break;
// case 1:
// Twinkle_T(Color(255, 128, 0));
// break;
// case 2:
// Twinkle_T(Color(0, 255, 0));
// break;
// case 3:
// Twinkle_T(Color(0, 0, 0));
// break;
// }
// }
Twinkle_Test:
colorWipe(Color(0, 0, 0),50);
usleep(500000);
// for (i=0; i < 600; i++) {
for (i=0; i < 600; i++) {
Twinkle();
}
Twinkle_Fade();
sleep(3);
// colorWipe(Color(0, 0, 0),50);
}
// Exit cleanly, freeing memory and stopping the DMA & PWM engines
// We trap all signals (including Ctrl+C), so even if you don't get here, it terminates correctly
terminate(0);
return 0;
}
