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‎examples/InkplateColor/Advanced_Inkplate_Features/Inkplate_Battery_Voltage/Inkplate_Battery_Voltage.ino

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/*
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Inkplate_Battery_Voltage_And_Temperature example for e-radionica Inkplate 6COLOR
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For this example you will need USB cable, Inkplate 6COLOR and a Lithium battery (3.6V) with two pin JST connector.
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Select "Inkplate 6COLOR(ESP32)" from Tools -> Board menu.
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Don't have "Inkplate 6COLOR(ESP32)" option? Follow our tutorial and add it:
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https://e-radionica.com/en/blog/add-inkplate-6-to-arduino-ide/
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This example will show you how to read voltage of the battery and read temperature from on-board
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temperature sensor which is part of TPS65186 e-paper PMIC.
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NOTE: In order to read temperature, e-paper has to be refreshed at least one time,
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or you have to power up epaper PMIC with einkOn() function from Inkplate library.
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Want to learn more about Inkplate? Visit www.inkplate.io
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Looking to get support? Write on our forums: http://forum.e-radionica.com/en/
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15 July 2020 by e-radionica.com
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*/
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// Next 3 lines are a precaution, you can ignore those, and the example would also work without them
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#ifndef ARDUINO_INKPLATECOLOR
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#error "Wrong board selection for this example, please select Inkplate color in the boards menu."
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#endif
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#include "Inkplate.h" //Include Inkplate library to the sketch
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#include "symbols.h" //Include .h file that contains byte array for battery symbol and temperature symbol.
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// It is in same folder as this sketch. You can even open it (read it) by clicking on symbols.h tab in Arduino IDE
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Inkplate display; // Create an object on Inkplate library
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void setup()
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{
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Serial.begin(115200);
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display.begin(); // Init Inkplate library (you should call this function ONLY ONCE)
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display.clearDisplay(); // Clear frame buffer of display
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display.display(); // Put clear image on display
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}
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void loop()
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{
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float voltage;
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voltage =
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display.readBattery(); // Read battery voltage (NOTE: Doe to ESP32 ADC accuracy, you should calibrate the ADC!)
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display.clearDisplay(); // Clear everything in frame buffer of e-paper display
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display.drawBitmap(100, 100, battSymbol, battSymbol_w, battSymbol_h, INKPLATE_BLUE); // Draw battery symbol at position X=100 Y=100
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display.setCursor(210, 120);
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display.setTextColor(INKPLATE_BLUE);
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display.setTextSize(3);
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display.print(voltage, 2); // Print battery voltage
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display.print('V');
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display.display(); // Send everything to display (refresh the screen)
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delay(10000); // Wait 10 seconds before new measurement
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}

‎examples/InkplateColor/Advanced_Inkplate_Features/Inkplate_Battery_Voltage/symbols.h

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// Bitmap size: 106x45
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const uint8_t battSymbol[] = {
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0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00,
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0x00, 0x7f, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x0f, 0xc0, 0x00, 0x00, 0x7f, 0x80, 0x00, 0x7f,
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0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x03, 0xc0, 0x00, 0x00, 0xf7, 0xe0, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
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0x00, 0x01, 0xe0, 0x00, 0x00, 0xe1, 0xf8, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x00, 0x01,
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0xe0, 0x7c, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x00, 0x01, 0xc0, 0x3f, 0x00, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x00, 0x03, 0xc0, 0x0f, 0x80, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00,
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0x00, 0xe0, 0x00, 0x03, 0x80, 0x07, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x00, 0x07, 0x00,
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0x07, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x00, 0x0f, 0x00, 0x0f, 0x80, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x00, 0x0e, 0x00, 0x3e, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00,
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0xff, 0x80, 0x0e, 0x00, 0x7c, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0x0f, 0x00, 0xf8,
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0x07, 0x83, 0xe0, 0x00, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0x0f, 0x07, 0xc0, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff,
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0xc0, 0x0e, 0x0f, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0x1e, 0x0f, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0x3c, 0x0f, 0x80, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xf8, 0x00, 0x00, 0xff, 0xc0, 0x78, 0x07, 0xc0, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0,
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0xf0, 0x07, 0xc0, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0xe0, 0x0f, 0x80, 0x00, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc1, 0xe0, 0x1f, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
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0x00, 0x00, 0xff, 0xc3, 0xc0, 0x7c, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc3, 0xe0,
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0xf8, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc1, 0xe1, 0xf0, 0x00, 0x00, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc0, 0xe3, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00,
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0x00, 0xff, 0xc1, 0xe7, 0x80, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc1, 0xc7, 0x80,
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0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc3, 0xc7, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xc3, 0x83, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00,
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0xff, 0x87, 0x07, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x0f, 0x1f, 0x00, 0x00,
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x0e, 0x3e, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xf8, 0x00, 0x00, 0xe0, 0x1e, 0x7c, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0,
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0x1c, 0xf0, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xe0, 0x3b, 0xe0, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x01, 0xe0, 0x7f, 0xc0, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xf8, 0x00, 0x03, 0xe0, 0x7f, 0x80, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x07, 0xc0, 0xfe,
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0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x1f, 0xc0, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x3f,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x81, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x03, 0xc0, 0x00,
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0x00, 0x00, 0x00};
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int battSymbol_w = 106;
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int battSymbol_h = 45;

‎examples/InkplateColor/Advanced_Inkplate_Features/Inkplate_Bluetooth_Peripheral_Mode_Example/Inkplate_Bluetooth_Peripheral_Mode_Example.ino

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/*
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Inkplate_Bluetooth_Peripheral_Mode_Example example for e-radionica Inkplate 6
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For this example you will need USB cable and an Inkplate 6
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Select "Inkplate 6(ESP32)" from Tools -> Board menu.
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Don't have "Inkplate 6(ESP32)" option? Follow our tutorial and add it:
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https://e-radionica.com/en/blog/add-inkplate-6-to-arduino-ide/
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This example shows how to use Inkplate as a peripheral device over Bluetooth.
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Note: for this to work you need to use ESP32 Wroover Board definition, as ours currently has a bug :(
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Want to learn more about Inkplate? Visit www.inkplate.io
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Looking to get support? Write on our forums: http://forum.e-radionica.com/en/
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15 July 2020 by e-radionica.com
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*/
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#include "Inkplate.h"
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#include "BluetoothSerial.h"
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#define BUFFER_SIZE 1000
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#include "Peripheral.h"
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// Declare Inkplate and SerialBluetooth objects
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Inkplate display;
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BluetoothSerial SerialBT;
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// Temporary buffer to send to Peripheral mode code
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char commandBuffer[BUFFER_SIZE + 1];
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void setup() // Initialize everything
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{
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Serial.begin(115200);
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if (!SerialBT.begin("ESP32"))
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{
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Serial.println("An error occurred initializing Bluetooth");
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}
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display.begin();
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}
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void loop()
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{
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while (SerialBT.available()) // When Bluetooth available save it and pass to Peripheral.h code
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{
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for (int i = 0; i < (BUFFER_SIZE - 1); i++)
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{
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commandBuffer[i] = commandBuffer[i + 1];
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}
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commandBuffer[BUFFER_SIZE - 1] = SerialBT.read();
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Serial.print(commandBuffer[BUFFER_SIZE - 1]);
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}
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// Function in peripheral.h
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run(commandBuffer, BUFFER_SIZE);
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delay(50);
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}

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