device.h
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#ifndef ION_DEVICE_USB_DEVICE_H
#define ION_DEVICE_USB_DEVICE_H
#include "descriptor/descriptor.h"
#include "endpoint0.h"
#include "interface.h"
#include "request_recipient.h"
#include "setup_packet.h"
namespace Ion {
namespace USB {
namespace Device {
// We only handle control transfers, on EP0.
class Device : public RequestRecipient {
public:
Device(Interface * interface) :
RequestRecipient(&m_ep0),
m_ep0(this, interface),
m_resetOnDisconnect(false)
{
}
void poll();
bool isSoftDisconnected() const;
void detach();
bool resetOnDisconnect() { return m_resetOnDisconnect; }
void setResetOnDisconnect(bool reset) { m_resetOnDisconnect = reset; }
protected:
virtual Descriptor * descriptor(uint8_t type, uint8_t index) = 0;
virtual void setActiveConfiguration(uint8_t configurationIndex) = 0;
virtual uint8_t getActiveConfiguration() = 0;
bool processSetupInRequest(SetupPacket * request, uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength) override;
Endpoint0 m_ep0;
private:
// USB Standard Device Request Codes
enum class Request {
GetStatus = 0,
ClearFeature = 1,
SetFeature = 3,
SetAddress = 5,
GetDescriptor = 6,
SetDescriptor = 7,
GetConfiguration = 8,
SetConfiguration = 9,
};
enum class TransactionType {
Setup,
In,
Out
};
void setAddress(uint8_t address);
bool getStatus(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
bool getDescriptor(SetupPacket * request, uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
bool getConfiguration(uint8_t * transferBuffer, uint16_t * transferBufferLength);
bool setConfiguration(SetupPacket * request);
bool m_resetOnDisconnect;
};
}
}
}
#endif