libusb1_common.c File Reference

Include dependency graph for libusb1_common.c:

Go to the source code of this file.

Functions
int	jtag_libusb_bulk_read (jtag_libusb_device_handle *dev, int ep, char *bytes, int size, int timeout)
int	jtag_libusb_bulk_write (jtag_libusb_device_handle *dev, int ep, char *bytes, int size, int timeout)
int	jtag_libusb_choose_interface (struct jtag_libusb_device_handle *devh, unsigned int *usb_read_ep, unsigned int *usb_write_ep, int bclass, int subclass, int protocol)
	Find the first interface optionally matching class, subclass and protocol and claim it. More...
void	jtag_libusb_close (jtag_libusb_device_handle *dev)
int	jtag_libusb_control_transfer (jtag_libusb_device_handle *dev, uint8_t requestType, uint8_t request, uint16_t wValue, uint16_t wIndex, char *bytes, uint16_t size, unsigned int timeout)
int	jtag_libusb_get_pid (struct jtag_libusb_device *dev, uint16_t *pid)
static bool	jtag_libusb_match (struct libusb_device_descriptor *dev_desc, const uint16_t vids[], const uint16_t pids[])
int	jtag_libusb_open (const uint16_t vids[], const uint16_t pids[], const char *serial, struct jtag_libusb_device_handle **out)
int	jtag_libusb_set_configuration (jtag_libusb_device_handle *devh, int configuration)
static bool	string_descriptor_equal (libusb_device_handle *device, uint8_t str_index, const char *string)

Variables
static libusb_device **	devs
	The usb device list. More...
static struct libusb_context *	jtag_libusb_context
	Libusb context. More...

Function Documentation

int jtag_libusb_bulk_read	(	jtag_libusb_device_handle *	dev,
		int	ep,
		char *	bytes,
		int	size,
		int	timeout
	)

Definition at line 149 of file libusb1_common.c.

Referenced by jtag_libusb_release_interface().

int jtag_libusb_bulk_write	(	jtag_libusb_device_handle *	dev,
		int	ep,
		char *	bytes,
		int	size,
		int	timeout
	)

Definition at line 139 of file libusb1_common.c.

Referenced by jtag_libusb_release_interface().

int jtag_libusb_choose_interface	(	struct jtag_libusb_device_handle *	devh,
		unsigned int *	usb_read_ep,
		unsigned int *	usb_write_ep,
		int	bclass,
		int	subclass,
		int	protocol
	)

Find the first interface optionally matching class, subclass and protocol and claim it.

Parameters

devh	libusb device handle.
usb_read_ep	A pointer to a variable where the IN endpoint number will be stored.
usb_write_ep	A pointer to a variable where the OUT endpoint number will be stored.
bclass	bInterfaceClass to match, or -1 to ignore this field.
subclass	bInterfaceSubClass to match, or -1 to ignore this field.
protocol	bInterfaceProtocol to match, or -1 to ignore this field.

Returns

Returns ERROR_OK on success, ERROR_FAIL otherwise.

Definition at line 187 of file libusb1_common.c.

References usb_interface_descriptor::bInterfaceClass, usb_interface_descriptor::bInterfaceNumber, usb_interface_descriptor::bInterfaceProtocol, usb_interface_descriptor::bNumEndpoints, config, ERROR_FAIL, ERROR_OK, iface, jtag_libusb_device, jtag_libusb_get_device, and LOG_DEBUG.

Referenced by jtag_libusb_release_interface().

void jtag_libusb_close

(

jtag_libusb_device_handle *

dev

)

Definition at line 116 of file libusb1_common.c.

References jtag_libusb_context.

Referenced by jtag_libusb_release_interface().

int jtag_libusb_control_transfer	(	jtag_libusb_device_handle *	dev,
		uint8_t	requestType,
		uint8_t	request,
		uint16_t	wValue,
		uint16_t	wIndex,
		char *	bytes,
		uint16_t	size,
		unsigned int	timeout
	)

Definition at line 124 of file libusb1_common.c.

Referenced by jtag_libusb_release_interface().

int jtag_libusb_get_pid	(	struct jtag_libusb_device *	dev,
		uint16_t *	pid
	)

Definition at line 237 of file libusb1_common.c.

References ERROR_FAIL, and ERROR_OK.

Referenced by jtag_libusb_release_interface().

static bool jtag_libusb_match ( struct libusb_device_descriptor *  dev_desc, const uint16_t  vids[], const uint16_t  pids[]  )

static

Definition at line 29 of file libusb1_common.c.

Referenced by jtag_libusb_open().

int jtag_libusb_open	(	const uint16_t	vids[],
		const uint16_t	pids[],
		const char *	serial,
		struct jtag_libusb_device_handle **	out
	)

Definition at line 69 of file libusb1_common.c.

References busses, devs, jtag_libusb_context, jtag_libusb_device_handle, jtag_libusb_match(), LOG_ERROR, NULL, string_descriptor_equal(), and usb_init().

Referenced by jtag_libusb_release_interface().

int jtag_libusb_set_configuration	(	jtag_libusb_device_handle *	devh,
		int	configuration
	)

Definition at line 159 of file libusb1_common.c.

References config, jtag_libusb_device, jtag_libusb_get_device, and NULL.

Referenced by jtag_libusb_release_interface().

static bool string_descriptor_equal ( libusb_device_handle *  device, uint8_t  str_index, const char *  string  )

static

Definition at line 42 of file libusb1_common.c.

References LOG_DEBUG, and LOG_ERROR.

Referenced by jtag_libusb_open().

Variable Documentation

libusb_device** devs

static

The usb device list.

Definition at line 27 of file libusb1_common.c.

Referenced by cmsis_dap_usb_open(), discovery_usb_scan(), jlink_init(), and jtag_libusb_open().

struct libusb_context* jtag_libusb_context

static

Libusb context.

Definition at line 26 of file libusb1_common.c.

Referenced by jtag_libusb_close(), and jtag_libusb_open().