diff options
Diffstat (limited to 'libusb/usbi.h')
-rw-r--r-- | libusb/usbi.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/libusb/usbi.h b/libusb/usbi.h new file mode 100644 index 0000000..5fe8c8e --- /dev/null +++ b/libusb/usbi.h @@ -0,0 +1,74 @@ +#ifndef _USBI_H_ +#define _USBI_H_ + +#include "usb.h" + +#include "error.h" + +extern int usb_debug; + +/* Some quick and generic macros for the simple kind of lists we use */ +#define LIST_ADD(begin, ent) \ + do { \ + if (begin) { \ + ent->next = begin; \ + ent->next->prev = ent; \ + } else \ + ent->next = NULL; \ + ent->prev = NULL; \ + begin = ent; \ + } while(0) + +#define LIST_DEL(begin, ent) \ + do { \ + if (ent->prev) \ + ent->prev->next = ent->next; \ + else \ + begin = ent->next; \ + if (ent->next) \ + ent->next->prev = ent->prev; \ + ent->prev = NULL; \ + ent->next = NULL; \ + } while (0) + +#define DESC_HEADER_LENGTH 2 +#define DEVICE_DESC_LENGTH 18 +#define CONFIG_DESC_LENGTH 9 +#define INTERFACE_DESC_LENGTH 9 +#define ENDPOINT_DESC_LENGTH 7 +#define ENDPOINT_AUDIO_DESC_LENGTH 9 + +struct usb_dev_handle { + int fd; + + struct usb_bus *bus; + struct usb_device *device; + + int config; + int interface; + int altsetting; + + /* Added by RMT so implementations can store other per-open-device data */ + void *impl_info; +}; + +/* descriptors.c */ +int usb_parse_descriptor(unsigned char *source, char *description, void *dest); +int usb_parse_configuration(struct usb_config_descriptor *config, + unsigned char *buffer); +void usb_fetch_and_parse_descriptors(usb_dev_handle *udev); +void usb_destroy_configuration(struct usb_device *dev); + +/* OS specific routines */ +int usb_os_find_busses(struct usb_bus **busses); +int usb_os_find_devices(struct usb_bus *bus, struct usb_device **devices); +int usb_os_determine_children(struct usb_bus *bus); +void usb_os_init(void); +int usb_os_open(usb_dev_handle *dev); +int usb_os_close(usb_dev_handle *dev); + +void usb_free_dev(struct usb_device *dev); +void usb_free_bus(struct usb_bus *bus); + +#endif /* _USBI_H_ */ + |