#include #include #include #include #ifdef __AVR__ #include #endif #define PIN 13 #define NEOPIXELS 59 int zapal = 0 ; volatile int f_wdt = 1; ISR(WDT_vect) { if (f_wdt == 0) { // here we can implement a counter the can set the f_wdt to true if // the watchdog cycle needs to run longer than the maximum of eight // seconds. f_wdt = 1; } } void enterSleep(void) { // There are five different sleep modes in order of power saving: // SLEEP_MODE_IDLE - the lowest power saving mode // SLEEP_MODE_ADC // SLEEP_MODE_PWR_SAVE // SLEEP_MODE_STANDBY // SLEEP_MODE_PWR_DOWN - the highest power saving mode set_sleep_mode(SLEEP_MODE_PWR_DOWN); sleep_enable(); // Now enter sleep mode. sleep_mode(); // The program will continue from here after the WDT timeout // First thing to do is disable sleep. sleep_disable(); // Re-enable the peripherals. power_all_enable(); } void setupWatchDogTimer() { // The MCU Status Register (MCUSR) is used to tell the cause of the last // reset, such as brown-out reset, watchdog reset, etc. // NOTE: for security reasons, there is a timed sequence for clearing the // WDE and changing the time-out configuration. If you don't use this // sequence properly, you'll get unexpected results. // Clear the reset flag on the MCUSR, the WDRF bit (bit 3). MCUSR &= ~(1 << WDRF); // Configure the Watchdog timer Control Register (WDTCSR) // The WDTCSR is used for configuring the time-out, mode of operation, etc // In order to change WDE or the pre-scaler, we need to set WDCE (This will // allow updates for 4 clock cycles). // Set the WDCE bit (bit 4) and the WDE bit (bit 3) of the WDTCSR. The WDCE // bit must be set in order to change WDE or the watchdog pre-scalers. // Setting the WDCE bit will allow updates to the pre-scalers and WDE for 4 // clock cycles then it will be reset by hardware. WDTCSR |= (1 << WDCE) | (1 << WDE); /** Setting the watchdog pre-scaler value with VCC = 5.0V and 16mHZ WDP3 WDP2 WDP1 WDP0 | Number of WDT | Typical Time-out at Oscillator Cycles 0 0 0 0 | 2K cycles | 16 ms 0 0 0 1 | 4K cycles | 32 ms 0 0 1 0 | 8K cycles | 64 ms 0 0 1 1 | 16K cycles | 0.125 s 0 1 0 0 | 32K cycles | 0.25 s 0 1 0 1 | 64K cycles | 0.5 s 0 1 1 0 | 128K cycles | 1.0 s 0 1 1 1 | 256K cycles | 2.0 s 1 0 0 0 | 512K cycles | 4.0 s 1 0 0 1 | 1024K cycles | 8.0 s */ WDTCSR = (0 << WDP3) | (1 << WDP2) | (1 << WDP1) | (1 << WDP0); // Enable the WD interrupt (note: no reset). WDTCSR |= _BV(WDIE); } // Parameter 1 = number of pixels in strip // Parameter 2 = Arduino pin number (most are valid) // Parameter 3 = pixel type flags, add together as needed: // NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs) // NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers) // NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products) // NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2) Adafruit_NeoPixel strip = Adafruit_NeoPixel(NEOPIXELS, PIN, NEO_GRB + NEO_KHZ800); // IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across // pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input // and minimize distance between Arduino and first pixel. Avoid connecting // on a live circuit...if you must, connect GND first. void setup() { // This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket #if defined (__AVR_ATtiny85__) if (F_CPU == 16000000) clock_prescale_set(clock_div_1); #endif // End of trinket special code Serial.begin(9600); strip.begin(); Serial.println("Initialising..."); delay(50); strip.show(); // Initialize all pixels to 'off' setupWatchDogTimer(); Serial.println("Initialisation complete."); delay(50); } void loop() { Serial.print(zapal); Serial.print(f_wdt); if (f_wdt != 1) { return; } if (zapal == 0) { colorWipe(strip.Color(0, 0, 255), 100); // Blue zapal = 1; Serial.print(f_wdt); } else { Serial.print("SLEEP"); f_wdt = 0; Serial.print(f_wdt); enterSleep(); //colorWipe(strip.Color(255, 0, 0), 50); // Blue } // Some example procedures showing how to display to the pixels: //colorWipe(strip.Color(255, 0, 0), 50); // Red //colorWipe(strip.Color(0, 255, 0), 50); // Green // Send a theater pixel chase in... //theaterChase(strip.Color(127, 127, 127), 50); // White //theaterChase(strip.Color(127, 0, 0), 50); // Red //theaterChase(strip.Color(0, 0, 127), 50); // Blue //rainbow(20); //rainbowCycle(20); //theaterChaseRainbow(50); } // Fill the dots one after the other with a color void colorWipe(uint32_t c, uint8_t wait) { for (uint16_t i = 0; i < strip.numPixels(); i++) { strip.setPixelColor(i, c); strip.show(); Serial.print("LED: "); Serial.println(i); delay(wait); } } void rainbow(uint8_t wait) { uint16_t i, j; for (j = 0; j < 256; j++) { for (i = 0; i < strip.numPixels(); i++) { strip.setPixelColor(i, Wheel((i + j) & 255)); } strip.show(); delay(wait); } } // Slightly different, this makes the rainbow equally distributed throughout void rainbowCycle(uint8_t wait) { uint16_t i, j; for (j = 0; j < 256 * 5; j++) { // 5 cycles of all colors on wheel for (i = 0; i < strip.numPixels(); i++) { strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255)); } strip.show(); delay(wait); } } //Theatre-style crawling lights. void theaterChase(uint32_t c, uint8_t wait) { for (int j = 0; j < 10; j++) { //do 10 cycles of chasing for (int q = 0; q < 3; q++) { for (int i = 0; i < strip.numPixels(); i = i + 3) { strip.setPixelColor(i + q, c); //turn every third pixel on } strip.show(); delay(wait); for (int i = 0; i < strip.numPixels(); i = i + 3) { strip.setPixelColor(i + q, 0); //turn every third pixel off } } } } //Theatre-style crawling lights with rainbow effect void theaterChaseRainbow(uint8_t wait) { for (int j = 0; j < 256; j++) { // cycle all 256 colors in the wheel for (int q = 0; q < 3; q++) { for (int i = 0; i < strip.numPixels(); i = i + 3) { strip.setPixelColor(i + q, Wheel( (i + j) % 255)); //turn every third pixel on } strip.show(); delay(wait); for (int i = 0; i < strip.numPixels(); i = i + 3) { strip.setPixelColor(i + q, 0); //turn every third pixel off } } } } // Input a value 0 to 255 to get a color value. // The colours are a transition r - g - b - back to r. uint32_t Wheel(byte WheelPos) { WheelPos = 255 - WheelPos; if (WheelPos < 85) { return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3); } if (WheelPos < 170) { WheelPos -= 85; return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3); } WheelPos -= 170; return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0); }