wut/include/nsyshid/hid.h

#pragma once
#include <wut.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    uint32_t handle;
    uint32_t physical_device_inst;
    uint16_t vid;
    uint16_t pid;
    uint8_t interface_index;
    uint8_t sub_class;
    uint8_t protocol;

    uint16_t max_packet_size_rx;
    uint16_t max_packet_size_tx;
} HIDDevice;

#define HID_DEVICE_DETACH   0
#define HID_DEVICE_ATTACH   1

typedef struct _HIDClient HIDClient;

typedef int32_t (*HIDAttachCallback)(HIDClient *p_hc,HIDDevice *p_hd,uint32_t attach);

struct _HIDClient
{
    HIDClient *next;
    HIDAttachCallback attach_cb;
};

typedef void  HIDCallback(uint32_t handle,int32_t error,uint8_t *p_buffer,uint32_t bytes_transferred,void *p_user);

int32_t
HIDSetup(void);

int32_t
HIDTeardown(void);

int32_t
HIDAddClient(HIDClient *p_client, HIDAttachCallback attach_callback);

int32_t
HIDDelClient(HIDClient *p_client);

int32_t
HIDGetDescriptor(uint32_t handle,
                 uint8_t descriptor_type,
                 uint8_t descriptor_index,
                 uint16_t language_id, 
                 uint8_t *p_buffer, 
                 uint32_t buffer_length, 
                 HIDCallback hc, void *p_user);

int32_t
HIDSetDescriptor(uint32_t handle,
                 uint8_t descriptor_type,
                 uint8_t descriptor_index, 
                 uint16_t language_id, 
                 uint8_t *p_buffer, 
                 uint32_t buffer_length, 
                 HIDCallback hc, 
                 void *p_user);

int32_t
HIDGetReport(uint32_t handle, 
             uint8_t report_type, 
             uint8_t report_id, 
             uint8_t *p_buffer, 
             uint32_t buffer_length, 
             HIDCallback hc, 
             void *p_user);

int32_t
HIDSetReport(uint32_t handle, 
             uint8_t report_type, 
             uint8_t report_id, 
             uint8_t *p_buffer, 
             uint32_t buffer_length, 
             HIDCallback hc, 
             void *p_user);

int32_t
HIDSetIdle(uint32_t handle, 
           uint8_t interface_index,
           uint8_t duration, 
           HIDCallback hc, 
           void *p_user);

int32_t
HIDSetProtocol(uint32_t handle,
               uint8_t interface_index,
               uint8_t protocol, 
               HIDCallback hc, 
               void *p_user);

int32_t
HIDGetProtocol(uint32_t handle,
               uint8_t interface_index,
               uint8_t * protocol, 
               HIDCallback hc, 
               void *p_user);

int32_t
HIDRead(uint32_t handle, 
        uint8_t *p_buffer, 
        uint32_t buffer_length, 
        HIDCallback hc, 
        void *p_user);
        
int32_t
HIDWrite(uint32_t handle, 
         uint8_t *p_buffer, 
         uint32_t buffer_length, 
         HIDCallback hc, 
         void *p_user);

#ifdef __cplusplus
}
#endif