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)
{
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);
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;
}
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;
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;
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)
{
break;
}
}
if(handle != NULL)
{
errorCode = 0;
*device = handle;
}
if(printMatchingDevicesFp != NULL)
{
errorCode = 0;
}
return errorCode;
}
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;
}
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){ /* последовательный опрос всех устройств на всех шинах */
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); /* Нам нужно открыть устройство в соответсвии строкам запроса */
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;
}
/* теперь проверяем имена на совпадение: */
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) /* мы нашли устройство */
break;
}
if(handle != NULL){
errorCode = 0;
*device = handle;
}
if(printMatchingDevicesFp != NULL) /* не возвращать ошибку только для листинга */
errorCode = 0;
return errorCode;
}
