hidapi
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Data Structures | Macros | Typedefs | Enumerations | Functions
hidapi.h File Reference
#include <wchar.h>

Go to the source code of this file.

Data Structures

struct  hid_api_version
 
struct  hid_device_info
 

Macros

#define HID_API_EXPORT
 
#define HID_API_CALL
 
#define HID_API_EXPORT_CALL   HID_API_EXPORT HID_API_CALL
 
#define HID_API_VERSION_MAJOR   0
 Static/compile-time major version of the library.
 
#define HID_API_VERSION_MINOR   14
 Static/compile-time minor version of the library.
 
#define HID_API_VERSION_PATCH   0
 Static/compile-time patch version of the library.
 
#define HID_API_MAKE_VERSION(mj, mn, p)   (((mj) << 24) | ((mn) << 8) | (p))
 Coverts a version as Major/Minor/Patch into a number: <8 bit major><16 bit minor><8 bit patch>.
 
#define HID_API_VERSION   HID_API_MAKE_VERSION(HID_API_VERSION_MAJOR, HID_API_VERSION_MINOR, HID_API_VERSION_PATCH)
 Static/compile-time version of the library.
 
#define HID_API_VERSION_STR   HID_API_TO_VERSION_STR(HID_API_VERSION_MAJOR, HID_API_VERSION_MINOR, HID_API_VERSION_PATCH)
 Static/compile-time string version of the library.
 
#define HID_API_MAX_REPORT_DESCRIPTOR_SIZE   4096
 Maximum expected HID Report descriptor size in bytes.
 

Typedefs

typedef struct hid_device_ hid_device
 

Enumerations

enum  hid_bus_type {
  HID_API_BUS_UNKNOWN = 0x00 , HID_API_BUS_USB = 0x01 , HID_API_BUS_BLUETOOTH = 0x02 , HID_API_BUS_I2C = 0x03 ,
  HID_API_BUS_SPI = 0x04
}
 HID underlying bus types. More...
 

Functions

int HID_API_EXPORT HID_API_CALL hid_init (void)
 Initialize the HIDAPI library.
 
int HID_API_EXPORT HID_API_CALL hid_exit (void)
 Finalize the HIDAPI library.
 
struct hid_device_info HID_API_EXPORT *HID_API_CALL hid_enumerate (unsigned short vendor_id, unsigned short product_id)
 Enumerate the HID Devices.
 
void HID_API_EXPORT HID_API_CALL hid_free_enumeration (struct hid_device_info *devs)
 Free an enumeration Linked List.
 
HID_API_EXPORT hid_device *HID_API_CALL hid_open (unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number)
 Open a HID device using a Vendor ID (VID), Product ID (PID) and optionally a serial number.
 
HID_API_EXPORT hid_device *HID_API_CALL hid_open_path (const char *path)
 Open a HID device by its path name.
 
int HID_API_EXPORT HID_API_CALL hid_write (hid_device *dev, const unsigned char *data, size_t length)
 Write an Output report to a HID device.
 
int HID_API_EXPORT HID_API_CALL hid_read_timeout (hid_device *dev, unsigned char *data, size_t length, int milliseconds)
 Read an Input report from a HID device with timeout.
 
int HID_API_EXPORT HID_API_CALL hid_read (hid_device *dev, unsigned char *data, size_t length)
 Read an Input report from a HID device.
 
int HID_API_EXPORT HID_API_CALL hid_set_nonblocking (hid_device *dev, int nonblock)
 Set the device handle to be non-blocking.
 
int HID_API_EXPORT HID_API_CALL hid_send_feature_report (hid_device *dev, const unsigned char *data, size_t length)
 Send a Feature report to the device.
 
int HID_API_EXPORT HID_API_CALL hid_get_feature_report (hid_device *dev, unsigned char *data, size_t length)
 Get a feature report from a HID device.
 
int HID_API_EXPORT HID_API_CALL hid_get_input_report (hid_device *dev, unsigned char *data, size_t length)
 Get a input report from a HID device.
 
void HID_API_EXPORT HID_API_CALL hid_close (hid_device *dev)
 Close a HID device.
 
int HID_API_EXPORT_CALL hid_get_manufacturer_string (hid_device *dev, wchar_t *string, size_t maxlen)
 Get The Manufacturer String from a HID device.
 
int HID_API_EXPORT_CALL hid_get_product_string (hid_device *dev, wchar_t *string, size_t maxlen)
 Get The Product String from a HID device.
 
int HID_API_EXPORT_CALL hid_get_serial_number_string (hid_device *dev, wchar_t *string, size_t maxlen)
 Get The Serial Number String from a HID device.
 
struct hid_device_info HID_API_EXPORT *HID_API_CALL hid_get_device_info (hid_device *dev)
 Get The struct hid_device_info from a HID device.
 
int HID_API_EXPORT_CALL hid_get_indexed_string (hid_device *dev, int string_index, wchar_t *string, size_t maxlen)
 Get a string from a HID device, based on its string index.
 
int HID_API_EXPORT_CALL hid_get_report_descriptor (hid_device *dev, unsigned char *buf, size_t buf_size)
 Get a report descriptor from a HID device.
 
HID_API_EXPORT const wchar_t *HID_API_CALL hid_error (hid_device *dev)
 Get a string describing the last error which occurred.
 
HID_API_EXPORT const struct hid_api_version *HID_API_CALL hid_version (void)
 Get a runtime version of the library.
 
HID_API_EXPORT const char *HID_API_CALL hid_version_str (void)
 Get a runtime version string of the library.
 

Macro Definition Documentation

◆ HID_API_CALL

#define HID_API_CALL

API call macro

◆ HID_API_EXPORT

#define HID_API_EXPORT

API export macro

◆ HID_API_EXPORT_CALL

#define HID_API_EXPORT_CALL   HID_API_EXPORT HID_API_CALL

API export and call macro

Typedef Documentation

◆ hid_device

typedef struct hid_device_ hid_device

opaque hidapi structure