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Diffstat (limited to 'commandline/library/opendevice.c')
| -rw-r--r-- | commandline/library/opendevice.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/commandline/library/opendevice.c b/commandline/library/opendevice.c deleted file mode 100644 index 137f50c..0000000 --- a/commandline/library/opendevice.c +++ /dev/null @@ -1,203 +0,0 @@ -/* Name: opendevice.c - * Project: V-USB host-side library - * Author: Christian Starkjohann - * Creation Date: 2008-04-10 - * Tabsize: 4 - * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH - * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) - * This Revision: $Id: opendevice.c 740 2009-04-13 18:23:31Z cs $ - */ - -/* -General Description: -The functions in this module can be used to find and open a device based on -libusb or libusb-win32. -*/ - -#include <stdio.h> -#include "opendevice.h" - -/* ------------------------------------------------------------------------- */ - -#define MATCH_SUCCESS 1 -#define MATCH_FAILED 0 -#define MATCH_ABORT -1 - -/* private interface: match text and p, return MATCH_SUCCESS, MATCH_FAILED, or MATCH_ABORT. */ -static int _shellStyleMatch(char *text, char *p) -{ -int last, matched, reverse; - - for(; *p; text++, p++){ - if(*text == 0 && *p != '*') - return MATCH_ABORT; - switch(*p){ - case '\\': - /* Literal match with following character. */ - p++; - /* FALLTHROUGH */ - default: - if(*text != *p) - return MATCH_FAILED; - continue; - case '?': - /* Match anything. */ - continue; - case '*': - while(*++p == '*') - /* Consecutive stars act just like one. */ - continue; - if(*p == 0) - /* Trailing star matches everything. */ - return MATCH_SUCCESS; - while(*text) - if((matched = _shellStyleMatch(text++, p)) != MATCH_FAILED) - return matched; - return MATCH_ABORT; - case '[': - reverse = p[1] == '^'; - if(reverse) /* Inverted character class. */ - p++; - matched = MATCH_FAILED; - if(p[1] == ']' || p[1] == '-') - if(*++p == *text) - matched = MATCH_SUCCESS; - for(last = *p; *++p && *p != ']'; last = *p) - if (*p == '-' && p[1] != ']' ? *text <= *++p && *text >= last : *text == *p) - matched = MATCH_SUCCESS; - if(matched == reverse) - return MATCH_FAILED; - continue; - } - } - return *text == 0; -} - -/* public interface for shell style matching: returns 0 if fails, 1 if matches */ -static int shellStyleMatch(char *text, char *pattern) -{ - if(pattern == NULL) /* NULL pattern is synonymous to "*" */ - return 1; - return _shellStyleMatch(text, pattern) == MATCH_SUCCESS; -} - -/* ------------------------------------------------------------------------- */ - -int usbGetStringAscii(usb_dev_handle *dev, int index, char *buf, int buflen) -{ -char buffer[256]; -int rval, i; - - if((rval = usb_get_string_simple(dev, index, buf, buflen)) >= 0) /* use libusb version if it works */ - return rval; - if((rval = usb_control_msg(dev, USB_ENDPOINT_IN, USB_REQ_GET_DESCRIPTOR, (USB_DT_STRING << 8) + index, 0x0409, buffer, sizeof(buffer), 5000)) < 0) - return rval; - if(buffer[1] != USB_DT_STRING){ - *buf = 0; - return 0; - } - if((unsigned char)buffer[0] < rval) - rval = (unsigned char)buffer[0]; - rval /= 2; - /* lossy conversion to ISO Latin1: */ - for(i=1;i<rval;i++){ - if(i > buflen) /* destination buffer overflow */ - break; - buf[i-1] = buffer[2 * i]; - if(buffer[2 * i + 1] != 0) /* outside of ISO Latin1 range */ - buf[i-1] = '?'; - } - buf[i-1] = 0; - return i-1; -} - -/* ------------------------------------------------------------------------- */ - -int usbOpenDevice(usb_dev_handle **device, int vendorID, char *vendorNamePattern, int productID, char *productNamePattern, char *serialNamePattern, FILE *printMatchingDevicesFp, FILE *warningsFp) -{ -struct usb_bus *bus; -struct usb_device *dev; -usb_dev_handle *handle = NULL; -int errorCode = USBOPEN_ERR_NOTFOUND; - - usb_find_busses(); - usb_find_devices(); - for(bus = usb_get_busses(); bus; bus = bus->next){ - for(dev = bus->devices; dev; dev = dev->next){ /* iterate over all devices on all busses */ - if((vendorID == 0 || dev->descriptor.idVendor == vendorID) - && (productID == 0 || dev->descriptor.idProduct == productID)){ - char vendor[256], product[256], serial[256]; - int len; - handle = usb_open(dev); /* we need to open the device in order to query strings */ - if(!handle){ - errorCode = USBOPEN_ERR_ACCESS; - if(warningsFp != NULL) - fprintf(warningsFp, "Warning: cannot open VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror()); - continue; - } - /* now check whether the names match: */ - len = vendor[0] = 0; - if(dev->descriptor.iManufacturer > 0){ - len = usbGetStringAscii(handle, dev->descriptor.iManufacturer, vendor, sizeof(vendor)); - } - if(len < 0){ - errorCode = USBOPEN_ERR_ACCESS; - if(warningsFp != NULL) - fprintf(warningsFp, "Warning: cannot query manufacturer for VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror()); - }else{ - errorCode = USBOPEN_ERR_NOTFOUND; - /* printf("seen device from vendor ->%s<-\n", vendor); */ - if(shellStyleMatch(vendor, vendorNamePattern)){ - len = product[0] = 0; - if(dev->descriptor.iProduct > 0){ - len = usbGetStringAscii(handle, dev->descriptor.iProduct, product, sizeof(product)); - } - if(len < 0){ - errorCode = USBOPEN_ERR_ACCESS; - if(warningsFp != NULL) - fprintf(warningsFp, "Warning: cannot query product for VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror()); - }else{ - errorCode = USBOPEN_ERR_NOTFOUND; - /* printf("seen product ->%s<-\n", product); */ - if(shellStyleMatch(product, productNamePattern)){ - len = serial[0] = 0; - if(dev->descriptor.iSerialNumber > 0){ - len = usbGetStringAscii(handle, dev->descriptor.iSerialNumber, serial, sizeof(serial)); - } - if(len < 0){ - errorCode = USBOPEN_ERR_ACCESS; - if(warningsFp != NULL) - fprintf(warningsFp, "Warning: cannot query serial for VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror()); - } - if(shellStyleMatch(serial, serialNamePattern)){ - if(printMatchingDevicesFp != NULL){ - if(serial[0] == 0){ - fprintf(printMatchingDevicesFp, "VID=0x%04x PID=0x%04x vendor=\"%s\" product=\"%s\"\n", dev->descriptor.idVendor, dev->descriptor.idProduct, vendor, product); - }else{ - fprintf(printMatchingDevicesFp, "VID=0x%04x PID=0x%04x vendor=\"%s\" product=\"%s\" serial=\"%s\"\n", dev->descriptor.idVendor, dev->descriptor.idProduct, vendor, product, serial); - } - }else{ - break; - } - } - } - } - } - } - usb_close(handle); - handle = NULL; - } - } - if(handle) /* we have found a deice */ - break; - } - if(handle != NULL){ - errorCode = 0; - *device = handle; - } - if(printMatchingDevicesFp != NULL) /* never return an error for listing only */ - errorCode = 0; - return errorCode; -} - -/* ------------------------------------------------------------------------- */ |