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