btclock_v3/src/lib/led_handler.cpp

#include "led_handler.hpp"

TaskHandle_t ledTaskHandle = NULL;
QueueHandle_t ledTaskQueue = NULL;
Adafruit_NeoPixel pixels(NEOPIXEL_COUNT, NEOPIXEL_PIN, NEO_GRB + NEO_KHZ800);
uint ledTaskParams;

void ledTask(void *parameter)
{
    while (1)
    {
        if (ledTaskQueue != NULL)
        {
            if (xQueueReceive(ledTaskQueue, &ledTaskParams, portMAX_DELAY) == pdPASS)
            {
                uint32_t oldLights[NEOPIXEL_COUNT];

                // get current state
                for (int i = 0; i < NEOPIXEL_COUNT; i++)
                {
                    oldLights[i] = pixels.getPixelColor(i);
                }

                switch (ledTaskParams)
                {
                case LED_POWER_TEST:
                    ledRainbow(20);
                    pixels.clear();
                    break;
                case LED_EFFECT_WIFI_CONNECT_ERROR:
                    blinkDelayTwoColor(100, 1, pixels.Color(8, 161, 236), pixels.Color(255, 0, 0));
                    break;
                case LED_FLASH_ERROR:
                    blinkDelayColor(250, 3, 255, 0, 0);
                    break;
                case LED_EFFECT_HEARTBEAT:
                    blinkDelayColor(150, 2, 0, 0, 255);
                    break;
                case LED_EFFECT_WIFI_CONNECT_SUCCESS:
                case LED_FLASH_SUCCESS:
                    blinkDelayColor(150, 3, 0, 255, 0);
                    break;
                case LED_PROGRESS_100:
                    pixels.setPixelColor(0, pixels.Color(0, 255, 0));
                case LED_PROGRESS_75:
                    pixels.setPixelColor(1, pixels.Color(0, 255, 0));
                case LED_PROGRESS_50:
                    pixels.setPixelColor(2, pixels.Color(0, 255, 0));
                case LED_PROGRESS_25:
                    pixels.setPixelColor(3, pixels.Color(0, 255, 0));
                    pixels.show();
                    break;
                case LED_FLASH_UPDATE:
                    break;
                case LED_FLASH_BLOCK_NOTIFY:
                    blinkDelayTwoColor(250, 3, pixels.Color(224, 67, 0), pixels.Color(8, 2, 0));
                    break;
                case LED_EFFECT_WIFI_WAIT_FOR_CONFIG:
                    blinkDelayTwoColor(100, 1, pixels.Color(8, 161, 236), pixels.Color(156, 225, 240));
                    break;
                case LED_EFFECT_WIFI_ERASE_SETTINGS:
                    blinkDelay(100, 3);
                    break;
                case LED_EFFECT_WIFI_CONNECTING:
                    for (int i = NEOPIXEL_COUNT; i >= 0; i--)
                    {
                        for (int j = NEOPIXEL_COUNT; j >= 0; j--)
                        {
                            if (j == i)
                            {
                                pixels.setPixelColor(i, pixels.Color(16, 197, 236));
                            }
                            else
                            {
                                pixels.setPixelColor(j, pixels.Color(0, 0, 0));
                            }
                        }
                        pixels.show();
                        vTaskDelay(pdMS_TO_TICKS(100));
                    }
                    break;
                case LED_EFFECT_PAUSE_TIMER:
                    for (int i = NEOPIXEL_COUNT; i >= 0; i--)
                    {
                        for (int j = NEOPIXEL_COUNT; j >= 0; j--)
                        {
                            uint32_t c = pixels.Color(0, 0, 0);
                            if (i == j)
                                c = pixels.Color(0, 255, 0);
                            pixels.setPixelColor(j, c);
                        }

                        pixels.show();

                        delay(100);
                    }
                    pixels.setPixelColor(0, pixels.Color(255, 0, 0));
                    pixels.show();

                    delay(900);

                    pixels.clear();
                    pixels.show();
                    break;
                case LED_EFFECT_START_TIMER:
                    pixels.clear();
                    pixels.setPixelColor((NEOPIXEL_COUNT - 1), pixels.Color(255, 0, 0));
                    pixels.show();

                    delay(900);

                    for (int i = NEOPIXEL_COUNT; i--; i > 0)
                    {

                        for (int j = NEOPIXEL_COUNT; j--; j > 0)
                        {
                            uint32_t c = pixels.Color(0, 0, 0);
                            if (i == j)
                                c = pixels.Color(0, 255, 0);

                            pixels.setPixelColor(j, c);
                        }

                        pixels.show();

                        delay(100);
                    }

                    pixels.clear();
                    pixels.show();
                    break;
                }

                // revert to previous state unless power test

                for (int i = 0; i < NEOPIXEL_COUNT; i++)
                {
                    pixels.setPixelColor(i, oldLights[i]);
                }

                pixels.show();
            }
        }
    }
}

void setupLeds()
{
    pixels.begin();
    pixels.setBrightness(preferences.getUInt("ledBrightness", 128));
    pixels.clear();
    pixels.show();
    setupLedTask();
    if (preferences.getBool("ledTestOnPower", true))
    {
        while (!ledTaskQueue)
        {
            delay(1);
            // wait until queue is available
        }
        queueLedEffect(LED_POWER_TEST);
    }
}

void setupLedTask()
{
    ledTaskQueue = xQueueCreate(5, sizeof(uint));

    xTaskCreate(ledTask, "LedTask", 2048, NULL, tskIDLE_PRIORITY, &ledTaskHandle);
}

void blinkDelay(int d, int times)
{
    for (int j = 0; j < times; j++)
    {

        pixels.setPixelColor(0, pixels.Color(255, 0, 0));
        pixels.setPixelColor(1, pixels.Color(0, 255, 0));
        pixels.setPixelColor(2, pixels.Color(255, 0, 0));
        pixels.setPixelColor(3, pixels.Color(0, 255, 0));
        pixels.show();
        vTaskDelay(pdMS_TO_TICKS(d));

        pixels.setPixelColor(0, pixels.Color(255, 255, 0));
        pixels.setPixelColor(1, pixels.Color(0, 255, 255));
        pixels.setPixelColor(2, pixels.Color(255, 255, 0));
        pixels.setPixelColor(3, pixels.Color(0, 255, 255));
        pixels.show();
        vTaskDelay(pdMS_TO_TICKS(d));
    }
    pixels.clear();
    pixels.show();
}

void blinkDelayColor(int d, int times, uint r, uint g, uint b)
{
    for (int j = 0; j < times; j++)
    {
        for (int i = 0; i < NEOPIXEL_COUNT; i++)
        {
            pixels.setPixelColor(i, pixels.Color(r, g, b));
        }

        pixels.show();
        vTaskDelay(pdMS_TO_TICKS(d));

        pixels.clear();
        pixels.show();
        vTaskDelay(pdMS_TO_TICKS(d));
    }
    pixels.clear();
    pixels.show();
}

void blinkDelayTwoColor(int d, int times, uint32_t c1, uint32_t c2)
{
    for (int j = 0; j < times; j++)
    {
        for (int i = 0; i < NEOPIXEL_COUNT; i++)
        {
            pixels.setPixelColor(i, c1);
        }
        pixels.show();
        vTaskDelay(pdMS_TO_TICKS(d));

        for (int i = 0; i < NEOPIXEL_COUNT; i++)
        {
            pixels.setPixelColor(i, c2);
        }
        pixels.show();
        vTaskDelay(pdMS_TO_TICKS(d));
    }
    pixels.clear();
    pixels.show();
}

void clearLeds()
{
    preferences.putBool("ledStatus", false);
    pixels.clear();
    pixels.show();
}

void setLights(int r, int g, int b)
{
    setLights(pixels.Color(r, g, b));
}

void setLights(uint32_t color)
{

    bool ledStatus = true;
    

    for (int i = 0; i < NEOPIXEL_COUNT; i++)
    {
        pixels.setPixelColor(i, color);
    }
    pixels.show();

    if (color == pixels.Color(0, 0, 0))
    {
        ledStatus = false;
    } else {
        saveLedState();
    }
    preferences.putBool("ledStatus", ledStatus);

}

void saveLedState() {
    for (int i = 0; i < pixels.numPixels(); i++)
    {
        int pixelColor = pixels.getPixelColor(i);
        char key[12];
        snprintf(key, 12, "%s%d", "ledColor_", i);
        preferences.putUInt(key, pixelColor);
    }

    xTaskNotifyGive(eventSourceTaskHandle);
}

void restoreLedState() {
    for (int i = 0; i < pixels.numPixels(); i++)
    {
        char key[12];
        snprintf(key, 12, "%s%d", "ledColor_", i);
        uint pixelColor = preferences.getUInt(key, pixels.Color(0,0,0));
        pixels.setPixelColor(i, pixelColor);
    }

    pixels.show();
}

QueueHandle_t getLedTaskQueue()
{
    return ledTaskQueue;
}

bool queueLedEffect(uint effect)
{
    if (ledTaskQueue == NULL)
    {
        return false;
    }

    uint flashType = effect;
    xQueueSend(ledTaskQueue, &flashType, portMAX_DELAY);
}

void ledRainbow(int wait)
{
    // Hue of first pixel runs 5 complete loops through the color wheel.
    // Color wheel has a range of 65536 but it's OK if we roll over, so
    // just count from 0 to 5*65536. Adding 256 to firstPixelHue each time
    // means we'll make 5*65536/256 = 1280 passes through this loop:
    for (long firstPixelHue = 0; firstPixelHue < 5 * 65536; firstPixelHue += 256)
    {
        // strip.rainbow() can take a single argument (first pixel hue) or
        // optionally a few extras: number of rainbow repetitions (default 1),
        // saturation and value (brightness) (both 0-255, similar to the
        // ColorHSV() function, default 255), and a true/false flag for whether
        // to apply gamma correction to provide 'truer' colors (default true).
        pixels.rainbow(firstPixelHue);
        // Above line is equivalent to:
        // strip.rainbow(firstPixelHue, 1, 255, 255, true);
        pixels.show(); // Update strip with new contents
        delayMicroseconds(wait);
        //        vTaskDelay(pdMS_TO_TICKS(wait)); // Pause for a moment
    }
}

void ledTheaterChase(uint32_t color, int wait)
{
    for (int a = 0; a < 10; a++)
    { // Repeat 10 times...
        for (int b = 0; b < 3; b++)
        {                   //  'b' counts from 0 to 2...
            pixels.clear(); //   Set all pixels in RAM to 0 (off)
            // 'c' counts up from 'b' to end of strip in steps of 3...
            for (int c = b; c < pixels.numPixels(); c += 3)
            {
                pixels.setPixelColor(c, color); // Set pixel 'c' to value 'color'
            }
            pixels.show();                   // Update strip with new contents
            vTaskDelay(pdMS_TO_TICKS(wait)); // Pause for a moment
        }
    }
}

void ledTheaterChaseRainbow(int wait)
{
    int firstPixelHue = 0; // First pixel starts at red (hue 0)
    for (int a = 0; a < 30; a++)
    { // Repeat 30 times...
        for (int b = 0; b < 3; b++)
        {                   //  'b' counts from 0 to 2...
            pixels.clear(); //   Set all pixels in RAM to 0 (off)
            // 'c' counts up from 'b' to end of strip in increments of 3...
            for (int c = b; c < pixels.numPixels(); c += 3)
            {
                // hue of pixel 'c' is offset by an amount to make one full
                // revolution of the color wheel (range 65536) along the length
                // of the strip (strip.numPixels() steps):
                int hue = firstPixelHue + c * 65536L / pixels.numPixels();
                uint32_t color = pixels.gamma32(pixels.ColorHSV(hue)); // hue -> RGB
                pixels.setPixelColor(c, color);                        // Set pixel 'c' to value 'color'
            }
            pixels.show();                   // Update strip with new contents
            vTaskDelay(pdMS_TO_TICKS(wait)); // Pause for a moment
            firstPixelHue += 65536 / 90;     // One cycle of color wheel over 90 frames
        }
    }
}

Adafruit_NeoPixel getPixels()
{
    return pixels;
}