catarrh/simtrace
1
0
Fork 0
mirror of https://gitea.osmocom.org/sim-card/simtrace.git synced 2026-03-24 09:18:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

import the host PC utility for the at91sam7 based sniffer

Browse Source 
This program receives the USB messages from the AT91SAM7 and forrwards
them via GSMTAP to wireshark.
This commit is contained in:
Harald Welte
2010-11-18 22:58:56 +01:00
parent f11c508b51
commit 1a37d4095f
9 changed files with 642 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
at91sam7/host/usb.c Normal file
View File

@@ -0,0 +1,87 @@
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <usb.h>
#include <sys/ioctl.h>
#include "usb.h"
#include <linux/usbdevice_fs.h>
#define MAX_READ_WRITE 4096
#define USB_ERROR_STR(ret, x, args...) return ret
static int usb_get_fd(usb_dev_handle *uh)
{
return *((int *)uh);
}
int __usb_bulk_write(usb_dev_handle *dev, int ep, char *bytes, int length,
int timeout)
{
struct usbdevfs_bulktransfer bulk;
int ret, sent = 0;
/* Ensure the endpoint address is correct */
ep &= ~USB_ENDPOINT_IN;
do {
bulk.ep = ep;
bulk.len = length - sent;
if (bulk.len > MAX_READ_WRITE)
bulk.len = MAX_READ_WRITE;
bulk.timeout = timeout;
bulk.data = (unsigned char *)bytes + sent;
ret = ioctl(usb_get_fd(dev), USBDEVFS_BULK, &bulk);
if (ret < 0)
USB_ERROR_STR(ret,
"error writing to bulk endpoint %d: %s",
ep, strerror(errno));
sent += ret;
} while (ret > 0 && sent < length);
return sent;
}
int __usb_bulk_read(usb_dev_handle *dev, int ep, char *bytes, int size,
int timeout)
{
struct usbdevfs_bulktransfer bulk;
int ret, retrieved = 0, requested;
/* Ensure the endpoint address is correct */
ep |= USB_ENDPOINT_IN;
do {
bulk.ep = ep;
requested = size - retrieved;
if (requested > MAX_READ_WRITE)
requested = MAX_READ_WRITE;
bulk.len = requested;
bulk.timeout = timeout;
bulk.data = (unsigned char *)bytes + retrieved;
ret = ioctl(usb_get_fd(dev), USBDEVFS_BULK, &bulk);
if (ret < 0)
USB_ERROR_STR(ret,
"error reading from bulk endpoint 0x%x: %s",
ep, strerror(errno));
retrieved += ret;
} while (ret > 0 && retrieved < size && ret == requested);
return retrieved;
}
int __usb_reattach_kernel_driver_np(usb_dev_handle *dev, int interface)
{
struct usbdevfs_ioctl command;
command.ifno = interface;
command.ioctl_code = USBDEVFS_CONNECT;
command.data = NULL;
return ioctl(usb_get_fd(dev), USBDEVFS_IOCTL, &command);
}