diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/Makefile.am | 7 | ||||
| -rw-r--r-- | src/jtag/usb_common.c | 61 | ||||
| -rw-r--r-- | src/jtag/usb_common.h | 30 |
3 files changed, 97 insertions, 1 deletions
diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am index 85d98c0..5254a2b 100644 --- a/src/jtag/Makefile.am +++ b/src/jtag/Makefile.am @@ -23,6 +23,10 @@ else # Standard Driver: common files DRIVERFILES += driver.c commands.c +if USB +DRIVERFILES += usb_common.c +endif + if BITBANG DRIVERFILES += bitbang.c endif @@ -92,7 +96,8 @@ noinst_HEADERS = \ rlink/ep1_cmd.h \ rlink/rlink.h \ rlink/st7.h \ - minidummy/jtag_minidriver.h + minidummy/jtag_minidriver.h \ + usb_common.h EXTRA_DIST = startup.tcl diff --git a/src/jtag/usb_common.c b/src/jtag/usb_common.c new file mode 100644 index 0000000..463f1af --- /dev/null +++ b/src/jtag/usb_common.c @@ -0,0 +1,61 @@ +/*************************************************************************** + * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "usb_common.h" + + +static bool jtag_usb_match(struct usb_device *dev, + const uint16_t vids[], const uint16_t pids[]) +{ + for (unsigned i = 0; vids[i] && pids[i]; i++) + { + if (dev->descriptor.idVendor == vids[i] && + dev->descriptor.idProduct == pids[i]) + { + return true; + } + } + return false; +} + +int jtag_usb_open(const uint16_t vids[], const uint16_t pids[], + struct usb_dev_handle **out) +{ + usb_find_busses(); + usb_find_devices(); + + struct usb_bus *busses = usb_get_busses(); + for (struct usb_bus *bus = busses; bus; bus = bus->next) + { + for (struct usb_device *dev = bus->devices; dev; dev = dev->next) + { + if (!jtag_usb_match(dev, vids, pids)) + continue; + + *out = usb_open(dev); + if (NULL == *out) + return -errno; + return 0; + } + } + return -ENODEV; +} diff --git a/src/jtag/usb_common.h b/src/jtag/usb_common.h new file mode 100644 index 0000000..da395ad --- /dev/null +++ b/src/jtag/usb_common.h @@ -0,0 +1,30 @@ +/*************************************************************************** + * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifndef JTAG_USB_COMMON_H +#define JTAG_USB_COMMON_H + +#include "types.h" + +#include <usb.h> + +int jtag_usb_open(const uint16_t vids[], const uint16_t pids[], + struct usb_dev_handle **out); + +#endif // JTAG_USB_COMMON_H |