libsigrok
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros
Macros | Enumerations | Functions
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:

Go to the source code of this file.

Macros

#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)
 

Macro Definition 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().

Enumeration Type Documentation

anonymous enum
Enumerator
REQ_READBULK 
REQ_WRITEADDR 
REQ_READDATA 
REQ_WRITEDATA 

Definition at line 46 of file gl_usb.c.

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().

Here is the call graph for this function:

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