USB_Host_Shield_2.0/hiduniversal.h
2011-10-19 17:33:15 -06:00

67 lines
No EOL
1.8 KiB
C++

#if !defined(__HIDUNIVERSAL_H__)
#define __HIDUNIVERSAL_H__
#include "hid.h"
#include "hidescriptorparser.h"
class HIDUniversal : public HID
{
struct ReportParser
{
uint8_t rptId;
HIDReportParser *rptParser;
} rptParsers[MAX_REPORT_PARSERS];
// HID class specific descriptor type and length info obtained from HID descriptor
HID_CLASS_DESCRIPTOR_LEN_AND_TYPE descrInfo[HID_MAX_HID_CLASS_DESCRIPTORS];
// Returns HID class specific descriptor length by its type and order number
uint16_t GetHidClassDescrLen(uint8_t type, uint8_t num);
EpInfo epInfo[totalEndpoints];
struct HIDInterface
{
struct
{
uint8_t bmInterface : 3;
uint8_t bmAltSet : 3;
uint8_t bmProtocol : 2;
};
uint8_t epIndex[maxEpPerInterface];
};
HIDInterface hidInterfaces[maxHidInterfaces];
uint8_t bConfNum; // configuration number
uint8_t bNumIface; // number of interfaces in the configuration
uint8_t bNumEP; // total number of EP in the configuration
uint32_t qNextPollTime; // next poll time
bool bPollEnable; // poll enable flag
void Initialize();
HIDInterface* FindInterface(uint8_t iface, uint8_t alt, uint8_t proto);
protected:
bool bHasReportId;
// HID implementation
virtual HIDReportParser* GetReportParser(uint8_t id);
public:
HIDUniversal(USB *p);
// HID implementation
virtual bool SetReportParser(uint8_t id, HIDReportParser *prs);
// USBDeviceConfig implementation
virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
virtual uint8_t Release();
virtual uint8_t Poll();
virtual uint8_t GetAddress() { return bAddress; };
// UsbConfigXtracter implementation
virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
};
#endif // __HIDUNIVERSAL_H__