71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
/*
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Copyright (c) 2014-2015 NicoHood
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See the readme for credit to other people.
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Advanced RawHID example
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Shows how to send bytes via RawHID.
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Press a button to send some example values.
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Every received data is mirrored to the host via Serial.
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See HID Project documentation for more information.
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https://github.com/NicoHood/HID/wiki/RawHID-API
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*/
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#include "HID-Project.h"
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const int pinLed = LED_BUILTIN;
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const int pinButton = 2;
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// Buffer to hold RawHID data.
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// If host tries to send more data than this,
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// it will respond with an error.
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// If the data is not read until the host sends the next data
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// it will also respond with an error and the data will be lost.
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uint8_t rawhidData[255];
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void setup() {
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pinMode(pinLed, OUTPUT);
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pinMode(pinButton, INPUT_PULLUP);
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Serial.begin(115200);
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// Set the RawHID OUT report array.
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// Feature reports are also (parallel) possible, see the other example for this.
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RawHID.begin(rawhidData, sizeof(rawhidData));
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}
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void loop() {
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// Send data to the host
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if (!digitalRead(pinButton)) {
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digitalWrite(pinLed, HIGH);
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// Create buffer with numbers and send it
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uint8_t megabuff[100];
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for (uint8_t i = 0; i < sizeof(megabuff); i++) {
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megabuff[i] = i;
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}
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RawHID.write(megabuff, sizeof(megabuff));
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// Simple debounce
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delay(300);
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digitalWrite(pinLed, LOW);
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}
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// Check if there is new data from the RawHID device
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auto bytesAvailable = RawHID.available();
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if (bytesAvailable)
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{
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digitalWrite(pinLed, HIGH);
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// Mirror data via Serial
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while (bytesAvailable--) {
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Serial.println(RawHID.read());
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}
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digitalWrite(pinLed, LOW);
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}
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}
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