# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import time

import board

import adafruit_is31fl3741

i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
is31 = adafruit_is31fl3741.IS31FL3741(i2c)

is31.set_led_scaling(0xFF)  # turn on LEDs all the way
is31.global_current = 0xFF  # set current to max
is31.enable = True  # enable!

# light up every LED, one at a time
while True:
    for pixel in range(351):
        is31[pixel] = 255
        time.sleep(0.01)
        is31[pixel] = 0

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import time

import board

import adafruit_is31fl3741

i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
is31 = adafruit_is31fl3741.IS31FL3741(i2c)

is31.set_led_scaling(0xFF)  # turn on LEDs all the way
is31.global_current = 0xFF  # set current to max
is31.enable = True  # enable!

# light up every LED, one at a time
while True:
    for pixel in range(351):
        is31[pixel] = 255
        time.sleep(0.01)
        is31[pixel] = 0

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import board
from rainbowio import colorwheel

import adafruit_is31fl3741
from adafruit_is31fl3741.adafruit_rgbmatrixqt import Adafruit_RGBMatrixQT

i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
is31 = Adafruit_RGBMatrixQT(i2c, allocate=adafruit_is31fl3741.PREFER_BUFFER)
is31.set_led_scaling(0xFF)
is31.global_current = 0xFF
# print("Global current is: ", is31.global_current)
is31.enable = True
# print("Enabled? ", is31.enable)

wheeloffset = 0
while True:
    for y in range(9):
        for x in range(13):
            is31.pixel(x, y, colorwheel((y * 13 + x) * 2 + wheeloffset))
    wheeloffset += 1
    is31.show()

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import board
from rainbowio import colorwheel

import adafruit_is31fl3741
from adafruit_is31fl3741.adafruit_rgbmatrixqt import Adafruit_RGBMatrixQT

i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
is31 = Adafruit_RGBMatrixQT(i2c, allocate=adafruit_is31fl3741.PREFER_BUFFER)
is31.set_led_scaling(0xFF)
is31.global_current = 0xFF
# print("Global current is: ", is31.global_current)
is31.enable = True
# print("Enabled? ", is31.enable)

wheeloffset = 0
while True:
    for y in range(9):
        for x in range(13):
            is31.pixel(x, y, colorwheel((y * 13 + x) * 2 + wheeloffset))
    wheeloffset += 1
    is31.show()

// Rainbow swirl example for the Adafruit IS31FL3741 13x9 PWM RGB LED
// Matrix Driver w/STEMMA QT / Qwiic connector. This is the simplest
// version and should fit on small microcontrollers like Arduino Uno.
// Tradeoff is that animation isn't always as smooth as seen in the
// buffered example. Each LED changes state immediately when accessed,
// there is no show() or display() function as with NeoPixels or some
// OLED screens.

#include <Adafruit_IS31FL3741.h>

Adafruit_IS31FL3741_QT ledmatrix;
// If colors appear wrong on matrix, try invoking constructor like so:
// Adafruit_IS31FL3741_QT ledmatrix(IS3741_RBG);

// Some boards have just one I2C interface, but some have more...
TwoWire *i2c = &Wire; // e.g. change this to &Wire1 for QT Py RP2040

void setup() {
  Serial.begin(115200);
  Serial.println("Adafruit QT RGB Matrix Simple RGB Swirl Test");

  if (! ledmatrix.begin(IS3741_ADDR_DEFAULT, i2c)) {
    Serial.println("IS41 not found");
    while (1);
  }

  Serial.println("IS41 found!");

  // By default the LED controller communicates over I2C at 400 KHz.
  // Arduino Uno can usually do 800 KHz, and 32-bit microcontrollers 1 MHz.
  i2c->setClock(800000);

  // Set brightness to max and bring controller out of shutdown state
  ledmatrix.setLEDscaling(0xFF);
  ledmatrix.setGlobalCurrent(0xFF);
  Serial.print("Global current set to: ");
  Serial.println(ledmatrix.getGlobalCurrent());
  ledmatrix.enable(true); // bring out of shutdown
}

uint16_t hue_offset = 0;

void loop() {
  uint32_t i = 0;
  for (int y=0; y<ledmatrix.height(); y++) {
    for (int x=0; x<ledmatrix.width(); x++) {
      uint32_t color888 = ledmatrix.ColorHSV(i * 65536 / 117 + hue_offset);
      uint16_t color565 = ledmatrix.color565(color888);
      ledmatrix.drawPixel(x, y, color565);
      i++;
    }
  }

  hue_offset += 256;

  ledmatrix.setGlobalCurrent(hue_offset / 256); // Demonstrate global current
}

// Rainbow swirl example for the Adafruit IS31FL3741 13x9 PWM RGB LED
// Matrix Driver w/STEMMA QT / Qwiic connector. This is the simplest
// version and should fit on small microcontrollers like Arduino Uno.
// Tradeoff is that animation isn't always as smooth as seen in the
// buffered example. Each LED changes state immediately when accessed,
// there is no show() or display() function as with NeoPixels or some
// OLED screens.

#include <Adafruit_IS31FL3741.h>

Adafruit_IS31FL3741_QT ledmatrix;
// If colors appear wrong on matrix, try invoking constructor like so:
// Adafruit_IS31FL3741_QT ledmatrix(IS3741_RBG);

// Some boards have just one I2C interface, but some have more...
TwoWire *i2c = &Wire; // e.g. change this to &Wire1 for QT Py RP2040

void setup() {
  Serial.begin(115200);
  Serial.println("Adafruit QT RGB Matrix Simple RGB Swirl Test");

  if (! ledmatrix.begin(IS3741_ADDR_DEFAULT, i2c)) {
    Serial.println("IS41 not found");
    while (1);
  }

  Serial.println("IS41 found!");

  // By default the LED controller communicates over I2C at 400 KHz.
  // Arduino Uno can usually do 800 KHz, and 32-bit microcontrollers 1 MHz.
  i2c->setClock(800000);

  // Set brightness to max and bring controller out of shutdown state
  ledmatrix.setLEDscaling(0xFF);
  ledmatrix.setGlobalCurrent(0xFF);
  Serial.print("Global current set to: ");
  Serial.println(ledmatrix.getGlobalCurrent());
  ledmatrix.enable(true); // bring out of shutdown
}

uint16_t hue_offset = 0;

void loop() {
  uint32_t i = 0;
  for (int y=0; y<ledmatrix.height(); y++) {
    for (int x=0; x<ledmatrix.width(); x++) {
      uint32_t color888 = ledmatrix.ColorHSV(i * 65536 / 117 + hue_offset);
      uint16_t color565 = ledmatrix.color565(color888);
      ledmatrix.drawPixel(x, y, color565);
      i++;
    }
  }

  hue_offset += 256;

  ledmatrix.setGlobalCurrent(hue_offset / 256); // Demonstrate global current
}

// Scrolling text example for the Adafruit IS31FL3741 13x9 PWM RGB LED
// Matrix Driver w/STEMMA QT / Qwiic connector. This is the simplest
// version and should fit on small microcontrollers like Arduino Uno.
// Tradeoff is that animation isn't always as smooth as seen in the
// buffered example. Each LED changes state immediately when accessed,
// there is no show() or display() function as with NeoPixels or some
// OLED screens.

#include <Adafruit_IS31FL3741.h>

Adafruit_IS31FL3741_QT matrix;
// If colors appear wrong on matrix, try invoking constructor like so:
// Adafruit_IS31FL3741_QT matrix(IS3741_RBG);

// Some boards have just one I2C interface, but some have more...
TwoWire *i2c = &Wire; // e.g. change this to &Wire1 for QT Py RP2040

char text[] = "ADAFRUIT!";   // A message to scroll
int text_x = matrix.width(); // Initial text position = off right edge
int text_y = 1;
int text_min;                // Pos. where text resets (calc'd later)

void setup() {
  Serial.begin(115200);
  Serial.println("Adafruit QT RGB Matrix Scrolling Text Test");

  if (! matrix.begin(IS3741_ADDR_DEFAULT, i2c)) {
    Serial.println("IS41 not found");
    while (1);
  }

  Serial.println("IS41 found!");

  // By default the LED controller communicates over I2C at 400 KHz.
  // Arduino Uno can usually do 800 KHz, and 32-bit microcontrollers 1 MHz.
  i2c->setClock(800000);

  // Set brightness to max and bring controller out of shutdown state
  matrix.setLEDscaling(0xFF);
  matrix.setGlobalCurrent(0xFF);
  Serial.print("Global current set to: ");
  Serial.println(matrix.getGlobalCurrent());

  matrix.fill(0);
  matrix.enable(true); // bring out of shutdown
  matrix.setRotation(0);
  matrix.setTextWrap(false);

  // Get text dimensions to determine X coord where scrolling resets
  uint16_t w, h;
  int16_t ignore;
  matrix.getTextBounds(text, 0, 0, &ignore, &ignore, &w, &h);
  text_min = -w; // Off left edge this many pixels
}

void loop() {
  matrix.setCursor(text_x, text_y);
  for (int i = 0; i < (int)strlen(text); i++) {
    // set the color thru the rainbow
    uint32_t color888 = matrix.ColorHSV(65536 * i / strlen(text));
    uint16_t color565 = matrix.color565(color888);
    matrix.setTextColor(color565, 0); // backound is '0' to erase previous text!
    matrix.print(text[i]); // write the letter
  }

  if (--text_x < text_min) {
    text_x = matrix.width();
  }

  delay(25);
}

// Scrolling text example for the Adafruit IS31FL3741 13x9 PWM RGB LED
// Matrix Driver w/STEMMA QT / Qwiic connector. This is the simplest
// version and should fit on small microcontrollers like Arduino Uno.
// Tradeoff is that animation isn't always as smooth as seen in the
// buffered example. Each LED changes state immediately when accessed,
// there is no show() or display() function as with NeoPixels or some
// OLED screens.

#include <Adafruit_IS31FL3741.h>

Adafruit_IS31FL3741_QT matrix;
// If colors appear wrong on matrix, try invoking constructor like so:
// Adafruit_IS31FL3741_QT matrix(IS3741_RBG);

// Some boards have just one I2C interface, but some have more...
TwoWire *i2c = &Wire; // e.g. change this to &Wire1 for QT Py RP2040

char text[] = "ADAFRUIT!";   // A message to scroll
int text_x = matrix.width(); // Initial text position = off right edge
int text_y = 1;
int text_min;                // Pos. where text resets (calc'd later)

void setup() {
  Serial.begin(115200);
  Serial.println("Adafruit QT RGB Matrix Scrolling Text Test");

  if (! matrix.begin(IS3741_ADDR_DEFAULT, i2c)) {
    Serial.println("IS41 not found");
    while (1);
  }

  Serial.println("IS41 found!");

  // By default the LED controller communicates over I2C at 400 KHz.
  // Arduino Uno can usually do 800 KHz, and 32-bit microcontrollers 1 MHz.
  i2c->setClock(800000);

  // Set brightness to max and bring controller out of shutdown state
  matrix.setLEDscaling(0xFF);
  matrix.setGlobalCurrent(0xFF);
  Serial.print("Global current set to: ");
  Serial.println(matrix.getGlobalCurrent());

  matrix.fill(0);
  matrix.enable(true); // bring out of shutdown
  matrix.setRotation(0);
  matrix.setTextWrap(false);

  // Get text dimensions to determine X coord where scrolling resets
  uint16_t w, h;
  int16_t ignore;
  matrix.getTextBounds(text, 0, 0, &ignore, &ignore, &w, &h);
  text_min = -w; // Off left edge this many pixels
}

void loop() {
  matrix.setCursor(text_x, text_y);
  for (int i = 0; i < (int)strlen(text); i++) {
    // set the color thru the rainbow
    uint32_t color888 = matrix.ColorHSV(65536 * i / strlen(text));
    uint16_t color565 = matrix.color565(color888);
    matrix.setTextColor(color565, 0); // backound is '0' to erase previous text!
    matrix.print(text[i]); // write the letter
  }

  if (--text_x < text_min) {
    text_x = matrix.width();
  }

  delay(25);
}