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build3/ion/src/device/usb.cpp 773 Bytes
6663b6c9   adorian   projet complet av...
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  #include <ion/usb.h>
  #include "usb.h"
  #include "regs/regs.h"
  
  namespace Ion {
  namespace USB {
  
  bool isPlugged() {
    return Device::VbusPin.group().IDR()->get(Device::VbusPin.pin());
  }
  
  }
  }
  
  namespace Ion {
  namespace USB {
  namespace Device {
  
  void init() {
    initGPIO();
  }
  
  void initGPIO() {
    /* Configure the GPIO
     * The VBUS pin is connected to the USB VBUS port. To read if the USB is
     * plugged, the pin must be pulled down. */
    VbusPin.group().MODER()->setMode(VbusPin.pin(), GPIO::MODER::Mode::Input);
    VbusPin.group().PUPDR()->setPull(VbusPin.pin(), GPIO::PUPDR::Pull::Down);
  }
  
  void shutdown() {
    VbusPin.group().MODER()->setMode(VbusPin.pin(), GPIO::MODER::Mode::Analog);
    VbusPin.group().PUPDR()->setPull(VbusPin.pin(), GPIO::PUPDR::Pull::None);
  }
  
  }
  }
  }