setup_packet.h
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#ifndef ION_DEVICE_USB_SETUP_PACKET_H
#define ION_DEVICE_USB_SETUP_PACKET_H
#include <stdint.h>
namespace Ion {
namespace USB {
namespace Device {
class SetupPacket {
public:
enum class TransactionType {
SetupTransaction,
InTransaction,
OutTransaction
};
enum class RequestType {
Standard = 0,
Class = 1,
Vendor = 2
};
enum class RecipientType {
Device = 0,
Interface = 1,
Endpoint = 2,
Other = 3
};
constexpr SetupPacket() :
m_bmRequestType(0),
m_bRequest(0),
m_wValue(0),
m_wIndex(0),
m_wLength(0)
{
}
SetupPacket(void * buffer);
TransactionType followingTransaction() const;
RequestType requestType() const;
RecipientType recipientType() const;
int descriptorIndex();
int descriptorType();
uint8_t bmRequestType() { return m_bmRequestType; }
uint8_t bRequest() { return m_bRequest; }
uint16_t wValue() { return m_wValue; }
uint16_t wIndex() { return m_wIndex; }
uint16_t wLength() { return m_wLength; }
private:
uint8_t m_bmRequestType;
uint8_t m_bRequest;
uint16_t m_wValue;
uint16_t m_wIndex;
uint16_t m_wLength;
};
static_assert(sizeof(SetupPacket) == 8, "SetupData must be packed");
}
}
}
#endif