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- Add two new API's to libusb20 which can be used to retrive information

Browse Source 
about the parent USB device:
  - libusb20_dev_get_parent_address
  - libusb20_dev_get_parent_port

- Rename libusb20_compat01.c into libusb01.c

MFC after:	3 days
This commit is contained in:
hselasky 2011-06-24 11:14:09 +00:00
parent c1214139ee
commit 7549fd80dc
7 changed files with 47 additions and 1 deletions
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4
lib/libusb/Makefile
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@ -22,7 +22,7 @@ MLINKS+= libusb.3 usb.3
# libusb 0.1 compat
INCS+= usb.h
SRCS+= libusb20_compat01.c
SRCS+= libusb01.c
# libusb 1.0 compat
INCS+= libusb.h
@ -184,6 +184,8 @@ MLINKS += libusb20.3 libusb20_dev_get_device_desc.3
MLINKS += libusb20.3 libusb20_dev_alloc_config.3
MLINKS += libusb20.3 libusb20_dev_alloc.3
MLINKS += libusb20.3 libusb20_dev_get_address.3
MLINKS += libusb20.3 libusb20_dev_get_parent_address.3
MLINKS += libusb20.3 libusb20_dev_get_parent_port.3
MLINKS += libusb20.3 libusb20_dev_get_bus_number.3
MLINKS += libusb20.3 libusb20_dev_get_mode.3
MLINKS += libusb20.3 libusb20_dev_get_speed.3

0
lib/libusb/libusb20_compat01.c → lib/libusb/libusb01.c
View File

23
lib/libusb/libusb20.3
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@ -159,6 +159,10 @@ USB access library (libusb -lusb)
.Ft uint8_t
.Fn libusb20_dev_get_address "struct libusb20_device *pdev"
.Ft uint8_t
.Fn libusb20_dev_get_parent_address "struct libusb20_device *pdev"
.Ft uint8_t
.Fn libusb20_dev_get_parent_port "struct libusb20_device *pdev"
.Ft uint8_t
.Fn libusb20_dev_get_bus_number "struct libusb20_device *pdev"
.Ft uint8_t
.Fn libusb20_dev_get_mode "struct libusb20_device *pdev"
@ -756,12 +760,31 @@ is an internal function to allocate a new USB device.
.Fn libusb20_dev_get_address
returns the internal and not necessarily the real
hardware address of the given USB device.
Valid addresses start at one.
.
.Pp
.
.Fn libusb20_dev_get_parent_address
returns the internal and not necessarily the real hardware address of
the given parent USB HUB device.
This value is zero for the root HUB which usually has a device address
equal to one.
Valid addresses start at one.
.
.Pp
.
.Fn libusb20_dev_get_parent_port
returns the port number on the parent USB HUB device.
This value is zero for the root HUB which usually has a device address
equal to one.
Valid port numbers start at one.
.
.Pp
.
.Fn libusb20_dev_get_bus_number
returns the internal bus number which the given USB
device belongs to.
Valid bus numbers start at zero.
.
.Pp
.

12
lib/libusb/libusb20.c
View File

@ -1056,6 +1056,18 @@ libusb20_dev_get_address(struct libusb20_device *pdev)
return (pdev->device_address);
}
uint8_t
libusb20_dev_get_parent_address(struct libusb20_device *pdev)
{
return (pdev->parent_address);
}
uint8_t
libusb20_dev_get_parent_port(struct libusb20_device *pdev)
{
return (pdev->parent_port);
}
uint8_t
libusb20_dev_get_bus_number(struct libusb20_device *pdev)
{

2
lib/libusb/libusb20.h
View File

@ -262,6 +262,8 @@ struct LIBUSB20_DEVICE_DESC_DECODED *libusb20_dev_get_device_desc(struct libusb2
struct libusb20_config *libusb20_dev_alloc_config(struct libusb20_device *pdev, uint8_t config_index);
struct libusb20_device *libusb20_dev_alloc(void);
uint8_t libusb20_dev_get_address(struct libusb20_device *pdev);
uint8_t libusb20_dev_get_parent_address(struct libusb20_device *pdev);
uint8_t libusb20_dev_get_parent_port(struct libusb20_device *pdev);
uint8_t libusb20_dev_get_bus_number(struct libusb20_device *pdev);
uint8_t libusb20_dev_get_mode(struct libusb20_device *pdev);
uint8_t libusb20_dev_get_speed(struct libusb20_device *pdev);

2
lib/libusb/libusb20_int.h
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@ -226,6 +226,8 @@ struct libusb20_device {
uint8_t usb_mode;
uint8_t usb_speed;
uint8_t is_opened;
uint8_t parent_address;
uint8_t parent_port;
char usb_desc[96];
};

5
lib/libusb/libusb20_ugen20.c
View File

@ -195,6 +195,11 @@ ugen20_enumerate(struct libusb20_device *pdev, const char *id)
break;
}
/* get parent HUB index and port */
pdev->parent_address = devinfo.udi_hubindex;
pdev->parent_port = devinfo.udi_hubport;
/* generate a nice description for printout */
snprintf(pdev->usb_desc, sizeof(pdev->usb_desc),