gl_usb.c File Reference

#include <libusb.h>
#include <stdio.h>
#include "sigrok.h"
#include "sigrok-internal.h"
#include "gl_usb.h"

Include dependency graph for gl_usb.c:

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Defines
#define	CTRL_IN
#define	CTRL_OUT
#define	EP1_BULK_IN   (LIBUSB_ENDPOINT_IN | 1)
#define	TIMEOUT   5000 /* Timeout in ms */
Enumerations
enum	{ REQ_READBULK = 0x82, REQ_WRITEADDR, REQ_READDATA, REQ_WRITEDATA }
Functions
SR_PRIV int	gl_read_bulk (libusb_device_handle *devh, void *buffer, unsigned int size)
SR_PRIV int	gl_reg_write (libusb_device_handle *devh, unsigned int reg, unsigned int val)
SR_PRIV int	gl_reg_read (libusb_device_handle *devh, unsigned int reg)

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Define Documentation

#define CTRL_IN

Value:

(LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN | \
                         LIBUSB_RECIPIENT_INTERFACE)

Definition at line 38 of file gl_usb.c.

#define CTRL_OUT

Value:

(LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT | \
                         LIBUSB_RECIPIENT_INTERFACE)

Definition at line 40 of file gl_usb.c.

Referenced by gl_read_bulk().

#define EP1_BULK_IN   (LIBUSB_ENDPOINT_IN | 1)

Definition at line 42 of file gl_usb.c.

Referenced by gl_read_bulk().

#define TIMEOUT   5000 /* Timeout in ms */

Definition at line 44 of file gl_usb.c.

Referenced by gl_read_bulk().

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Enumeration Type Documentation

anonymous enum

Enumerator:

REQ_READBULK
REQ_WRITEADDR
REQ_READDATA
REQ_WRITEDATA

Definition at line 46 of file gl_usb.c.

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Function Documentation

SR_PRIV int gl_read_bulk	(	libusb_device_handle *	devh,
		void *	buffer,
		unsigned int	size
	)

Definition at line 92 of file gl_usb.c.

References CTRL_OUT, EP1_BULK_IN, REQ_READBULK, sr_err(), and TIMEOUT.

Referenced by analyzer_read_data().

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SR_PRIV int gl_reg_read	(	libusb_device_handle *	devh,
		unsigned int	reg
	)

Definition at line 125 of file gl_usb.c.

Referenced by analyzer_get_now_address(), analyzer_get_stop_address(), analyzer_get_trigger_address(), analyzer_read_id(), analyzer_read_start(), and analyzer_wait().

SR_PRIV int gl_reg_write	(	libusb_device_handle *	devh,
		unsigned int	reg,
		unsigned int	val
	)

Definition at line 113 of file gl_usb.c.

Referenced by analyzer_configure().