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https://github.com/felis/USB_Host_Shield_2.0.git
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38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/* Example of reading and writing USB Host Shield GPI output
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This example uses "Wiring" style interface. See Blink_LowLevel for example of using low-level UHS interface
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Author: Brian Walton (brian@riban.co.uk)
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*/
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#include <UHS2_gpio.h>
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// Satisfy the IDE, which needs to see the include statment in the ino too.
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#ifdef dobogusinclude
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#include <spi4teensy3.h>
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#endif
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#define OUTPUT_PIN 0
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USB Usb; // Create an UHS2 interface object
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UHS2_GPIO Gpio(&Usb); // Create a GPIO object
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void setup() {
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Serial.begin( 115200 );
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#if !defined(__MIPSEL__)
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while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
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#endif
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Serial.println("Start");
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if (Usb.Init() == -1)
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Serial.println("OSC did not start.");
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delay( 200 );
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}
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void loop() {
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// Get the current output value, toggle then wait half a second
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int nValue = Gpio.digitalReadOutput(OUTPUT_PIN);
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nValue = (nValue ? 0 : 1);
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Gpio.digitalWrite(OUTPUT_PIN, nValue);
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Serial.print(nValue ? "+" : "."); // Debug to show what the output should be doing
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delay(500);
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}
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