diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2019-07-31 16:59:49 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2019-07-31 16:59:49 +0200 |
commit | 1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (patch) | |
tree | d78102ce30207c63e7608eeba743efd680c888dc /sanei/sanei_usb.c | |
parent | 58912f68c2489bcee787599837447e0d64dfd61a (diff) |
New upstream version 1.0.28upstream/1.0.28
Diffstat (limited to 'sanei/sanei_usb.c')
-rw-r--r-- | sanei/sanei_usb.c | 427 |
1 files changed, 124 insertions, 303 deletions
diff --git a/sanei/sanei_usb.c b/sanei/sanei_usb.c index e4b23dc..6fd6040 100644 --- a/sanei/sanei_usb.c +++ b/sanei/sanei_usb.c @@ -1262,6 +1262,77 @@ sanei_usb_set_endpoint (SANE_Int dn, SANE_Int ep_type, SANE_Int ep) } } +#if HAVE_LIBUSB_LEGACY || HAVE_LIBUSB || HAVE_USBCALLS +static const char* sanei_usb_transfer_type_desc(SANE_Int transfer_type) +{ + switch (transfer_type) + { + case USB_ENDPOINT_TYPE_INTERRUPT: return "interrupt"; + case USB_ENDPOINT_TYPE_BULK: return "bulk"; + case USB_ENDPOINT_TYPE_ISOCHRONOUS: return "isochronous"; + case USB_ENDPOINT_TYPE_CONTROL: return "control"; + } + return NULL; +} + +// Similar sanei_usb_set_endpoint, but ignors duplicate endpoints +static void sanei_usb_add_endpoint(device_list_type* device, + SANE_Int transfer_type, + SANE_Int ep_address, + SANE_Int ep_direction) +{ + DBG(5, "%s: direction: %d, address: %d, transfer_type: %d\n", + __func__, ep_direction, ep_address, transfer_type); + + SANE_Int* ep_in = NULL; + SANE_Int* ep_out = NULL; + const char* transfer_type_msg = sanei_usb_transfer_type_desc(transfer_type); + + switch (transfer_type) + { + case USB_ENDPOINT_TYPE_INTERRUPT: + ep_in = &device->int_in_ep; + ep_out = &device->int_out_ep; + break; + case USB_ENDPOINT_TYPE_BULK: + ep_in = &device->bulk_in_ep; + ep_out = &device->bulk_out_ep; + break; + case USB_ENDPOINT_TYPE_ISOCHRONOUS: + ep_in = &device->iso_in_ep; + ep_out = &device->iso_out_ep; + break; + case USB_ENDPOINT_TYPE_CONTROL: + ep_in = &device->control_in_ep; + ep_out = &device->control_out_ep; + break; + } + + DBG(5, "%s: found %s-%s endpoint (address 0x%02x)\n", + __func__, transfer_type_msg, ep_direction ? "in" : "out", + ep_address); + + if (ep_direction) // in + { + if (*ep_in) + DBG(3, "%s: we already have a %s-in endpoint " + "(address: 0x%02x), ignoring the new one\n", + __func__, transfer_type_msg, *ep_in); + else + *ep_in = ep_address; + } + else + { + if (*ep_out) + DBG(3, "%s: we already have a %s-out endpoint " + "(address: 0x%02x), ignoring the new one\n", + __func__, transfer_type_msg, *ep_out); + else + *ep_out = ep_address; + } +} +#endif // HAVE_LIBUSB_LEGACY || HAVE_LIBUSB || HAVE_USBCALLS + SANE_Int sanei_usb_get_endpoint (SANE_Int dn, SANE_Int ep_type) { @@ -1460,132 +1531,12 @@ sanei_usb_open (SANE_String_Const devname, SANE_Int * dn) DBG (5, "sanei_usb_open: endpoint nr: %d\n", num); transfer_type = endpoint->bmAttributes & USB_ENDPOINT_TYPE_MASK; - address = - endpoint-> - bEndpointAddress & USB_ENDPOINT_ADDRESS_MASK; direction = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK; - DBG (5, "sanei_usb_open: direction: %d\n", direction); - - DBG (5, - "sanei_usb_open: address: %d transfertype: %d\n", - address, transfer_type); - - - /* save the endpoints we need later */ - if (transfer_type == USB_ENDPOINT_TYPE_INTERRUPT) - { - DBG (5, - "sanei_usb_open: found interrupt-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].int_in_ep) - DBG (3, - "sanei_usb_open: we already have a int-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].int_in_ep); - else - devices[devcount].int_in_ep = - endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].int_out_ep) - DBG (3, - "sanei_usb_open: we already have a int-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].int_out_ep); - else - devices[devcount].int_out_ep = - endpoint->bEndpointAddress; - } - } - else if (transfer_type == USB_ENDPOINT_TYPE_BULK) - { - DBG (5, - "sanei_usb_open: found bulk-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].bulk_in_ep) - DBG (3, - "sanei_usb_open: we already have a bulk-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].bulk_in_ep); - else - devices[devcount].bulk_in_ep = - endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].bulk_out_ep) - DBG (3, - "sanei_usb_open: we already have a bulk-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].bulk_out_ep); - else - devices[devcount].bulk_out_ep = - endpoint->bEndpointAddress; - } - } - else if (transfer_type == USB_ENDPOINT_TYPE_ISOCHRONOUS) - { - DBG (5, - "sanei_usb_open: found isochronous-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].iso_in_ep) - DBG (3, - "sanei_usb_open: we already have a isochronous-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].iso_in_ep); - else - devices[devcount].iso_in_ep = - endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].iso_out_ep) - DBG (3, - "sanei_usb_open: we already have a isochronous-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].iso_out_ep); - else - devices[devcount].iso_out_ep = - endpoint->bEndpointAddress; - } - } - else if (transfer_type == USB_ENDPOINT_TYPE_CONTROL) - { - DBG (5, - "sanei_usb_open: found control-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].control_in_ep) - DBG (3, - "sanei_usb_open: we already have a control-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].control_in_ep); - else - devices[devcount].control_in_ep = - endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].control_out_ep) - DBG (3, - "sanei_usb_open: we already have a control-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].control_out_ep); - else - devices[devcount].control_out_ep = - endpoint->bEndpointAddress; - } - } + sanei_usb_add_endpoint(&devices[devcount], transfer_type, + endpoint->bEndpointAddress, + direction); } } } @@ -1769,124 +1720,39 @@ sanei_usb_open (SANE_String_Const devname, SANE_Int * dn) for (num = 0; num < interface->bNumEndpoints; num++) { const struct libusb_endpoint_descriptor *endpoint; - int address, direction, transfer_type; + int direction, transfer_type, transfer_type_libusb; endpoint = &interface->endpoint[num]; DBG (5, "sanei_usb_open: endpoint nr: %d\n", num); - transfer_type = endpoint->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK; - address = endpoint->bEndpointAddress & LIBUSB_ENDPOINT_ADDRESS_MASK; + transfer_type_libusb = + endpoint->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK; direction = endpoint->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK; - DBG (5, "sanei_usb_open: direction: %d\n", direction); - DBG (5, "sanei_usb_open: address: %d transfertype: %d\n", - address, transfer_type); - - /* save the endpoints we need later */ - if (transfer_type == LIBUSB_TRANSFER_TYPE_INTERRUPT) - { - DBG (5, - "sanei_usb_open: found interrupt-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].int_in_ep) - DBG (3, - "sanei_usb_open: we already have a int-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].int_in_ep); - else - devices[devcount].int_in_ep = endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].int_out_ep) - DBG (3, - "sanei_usb_open: we already have a int-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].int_out_ep); - else - devices[devcount].int_out_ep = endpoint->bEndpointAddress; - } - } - else if (transfer_type == LIBUSB_TRANSFER_TYPE_BULK) - { - DBG (5, - "sanei_usb_open: found bulk-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].bulk_in_ep) - DBG (3, - "sanei_usb_open: we already have a bulk-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].bulk_in_ep); - else - devices[devcount].bulk_in_ep = endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].bulk_out_ep) - DBG (3, - "sanei_usb_open: we already have a bulk-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].bulk_out_ep); - else - devices[devcount].bulk_out_ep = endpoint->bEndpointAddress; - } - } - else if (transfer_type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS) - { - DBG (5, - "sanei_usb_open: found isochronous-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].iso_in_ep) - DBG (3, - "sanei_usb_open: we already have a isochronous-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].iso_in_ep); - else - devices[devcount].iso_in_ep = endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].iso_out_ep) - DBG (3, - "sanei_usb_open: we already have a isochronous-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].iso_out_ep); - else - devices[devcount].iso_out_ep = endpoint->bEndpointAddress; - } - } - else if (transfer_type == LIBUSB_TRANSFER_TYPE_CONTROL) - { - DBG (5, - "sanei_usb_open: found control-%s endpoint (address 0x%02x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].control_in_ep) - DBG (3, - "sanei_usb_open: we already have a control-in endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].control_in_ep); - else - devices[devcount].control_in_ep = endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].control_out_ep) - DBG (3, - "sanei_usb_open: we already have a control-out endpoint " - "(address: 0x%02x), ignoring the new one\n", - devices[devcount].control_out_ep); - else - devices[devcount].control_out_ep = endpoint->bEndpointAddress; - } - } + // don't rely on LIBUSB_TRANSFER_TYPE_* mapping to + // USB_ENDPOINT_TYPE_* even though they'll most likely be + // the same + switch (transfer_type_libusb) + { + case LIBUSB_TRANSFER_TYPE_INTERRUPT: + transfer_type = USB_ENDPOINT_TYPE_INTERRUPT; + break; + case LIBUSB_TRANSFER_TYPE_BULK: + transfer_type = USB_ENDPOINT_TYPE_BULK; + break; + case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: + transfer_type = LIBUSB_TRANSFER_TYPE_ISOCHRONOUS; + break; + case LIBUSB_TRANSFER_TYPE_CONTROL: + transfer_type = USB_ENDPOINT_TYPE_CONTROL; + break; + + } + + sanei_usb_add_endpoint(&devices[devcount], + transfer_type, + endpoint->bEndpointAddress, + direction); } } } @@ -2016,62 +1882,21 @@ sanei_usb_open (SANE_String_Const devname, SANE_Int * dn) break; case USB_DT_ENDPOINT: endpoint = (struct usb_endpoint_descriptor*)pDescHead; - address = endpoint->bEndpointAddress; direction = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK; transfer_type = endpoint->bmAttributes & USB_ENDPOINT_TYPE_MASK; - /* save the endpoints we need later */ - if (transfer_type == USB_ENDPOINT_TYPE_INTERRUPT) - { - DBG (5, "sanei_usb_open: found interupt-%s endpoint (address %2x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].int_in_ep) - DBG (3, "sanei_usb_open: we already have a int-in endpoint " - "(address: %d), ignoring the new one\n", - devices[devcount].int_in_ep); - else - devices[devcount].int_in_ep = endpoint->bEndpointAddress; - } - else - if (devices[devcount].int_out_ep) - DBG (3, "sanei_usb_open: we already have a int-out endpoint " - "(address: %d), ignoring the new one\n", - devices[devcount].int_out_ep); - else - devices[devcount].int_out_ep = endpoint->bEndpointAddress; - } - else if (transfer_type == USB_ENDPOINT_TYPE_BULK) - { - DBG (5, "sanei_usb_open: found bulk-%s endpoint (address %2x)\n", - direction ? "in" : "out", address); - if (direction) /* in */ - { - if (devices[devcount].bulk_in_ep) - DBG (3, "sanei_usb_open: we already have a bulk-in endpoint " - "(address: %d), ignoring the new one\n", - devices[devcount].bulk_in_ep); - else - devices[devcount].bulk_in_ep = endpoint->bEndpointAddress; - } - else - { - if (devices[devcount].bulk_out_ep) - DBG (3, "sanei_usb_open: we already have a bulk-out endpoint " - "(address: %d), ignoring the new one\n", - devices[devcount].bulk_out_ep); - else - devices[devcount].bulk_out_ep = endpoint->bEndpointAddress; - } - } + + if (transfer_type == USB_ENDPOINT_TYPE_INTERRUPT || + transfer_type == USB_ENDPOINT_TYPE_BULK) + { + sanei_usb_add_endpoint(&devices[devcount], transfer_type, + endpoint->bEndpointAddress, direction); + } /* ignore currently unsupported endpoints */ else { DBG (5, "sanei_usb_open: ignoring %s-%s endpoint " "(address: %d)\n", - transfer_type == USB_ENDPOINT_TYPE_CONTROL ? "control" : - transfer_type == USB_ENDPOINT_TYPE_ISOCHRONOUS - ? "isochronous" : "interrupt", - direction ? "in" : "out", address); + sanei_usb_transfer_type_desc(transfer_type), + direction ? "in" : "out", address); continue; } break; @@ -2344,8 +2169,8 @@ sanei_usb_read_bulk (SANE_Int dn, SANE_Byte * buffer, size_t * size) if (ret < 0) { - DBG (1, "sanei_usb_read_bulk: read failed: %s\n", - sanei_libusb_strerror (ret)); + DBG (1, "sanei_usb_read_bulk: read failed (still got %d bytes): %s\n", + rsize, sanei_libusb_strerror (ret)); read_size = -1; } @@ -2372,9 +2197,10 @@ sanei_usb_read_bulk (SANE_Int dn, SANE_Byte * buffer, size_t * size) #ifdef HAVE_USBCALLS int rc; char* buffer_ptr = (char*) buffer; - while (*size) + size_t requested_size = *size; + while (requested_size) { - ULONG ulToRead = (*size>MAX_RW)?MAX_RW:*size; + ULONG ulToRead = (requested_size>MAX_RW)?MAX_RW:requested_size; ULONG ulNum = ulToRead; DBG (5, "Entered usbcalls UsbBulkRead with dn = %d\n",dn); DBG (5, "Entered usbcalls UsbBulkRead with dh = %p\n",dh); @@ -2392,7 +2218,7 @@ sanei_usb_read_bulk (SANE_Int dn, SANE_Byte * buffer, size_t * size) return SANE_STATUS_INVAL; } if (rc || (ulNum!=ulToRead)) return SANE_STATUS_INVAL; - *size -=ulToRead; + requested_size -=ulToRead; buffer_ptr += ulToRead; read_size += ulToRead; } @@ -2529,11 +2355,12 @@ sanei_usb_write_bulk (SANE_Int dn, const SANE_Byte * buffer, size_t * size) DBG (5, "Entered usbcalls UsbBulkWrite with bulk_out_ep = 0x%02x\n",devices[dn].bulk_out_ep); DBG (5, "Entered usbcalls UsbBulkWrite with interface_nr = %d\n",devices[dn].interface_nr); DBG (5, "Entered usbcalls UsbBulkWrite with usbcalls_timeout = %d\n",usbcalls_timeout); - while (*size) + size_t requested_size = *size; + while (requested_size) { - ULONG ulToWrite = (*size>MAX_RW)?MAX_RW:*size; + ULONG ulToWrite = (requested_size>MAX_RW)?MAX_RW:requested_size; - DBG (5, "size requested to write = %lu, ulToWrite = %lu\n",(unsigned long) *size,ulToWrite); + DBG (5, "size requested to write = %lu, ulToWrite = %lu\n",(unsigned long) requested_size,ulToWrite); if (devices[dn].bulk_out_ep){ rc = UsbBulkWrite (dh, devices[dn].bulk_out_ep, devices[dn].interface_nr, ulToWrite, (char*) buffer, usbcalls_timeout); @@ -2545,10 +2372,10 @@ sanei_usb_write_bulk (SANE_Int dn, const SANE_Byte * buffer, size_t * size) return SANE_STATUS_INVAL; } if (rc) return SANE_STATUS_INVAL; - *size -=ulToWrite; + requested_size -=ulToWrite; buffer += ulToWrite; write_size += ulToWrite; - DBG (5, "size = %d, write_size = %d\n",*size, write_size); + DBG (5, "size = %d, write_size = %d\n", requested_size, write_size); } #else /* not HAVE_USBCALLS */ { @@ -2619,7 +2446,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req, } if ((rtype & 0x80) && debug_level > 10) print_buffer (data, len); - return SANE_STATUS_GOOD; #elif defined(__BEOS__) struct usb_scanner_ioctl_ctrlmsg c; @@ -2638,8 +2464,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req, } if ((rtype & 0x80) && debug_level > 10) print_buffer (data, len); - - return SANE_STATUS_GOOD; #else /* not __linux__ */ DBG (5, "sanei_usb_control_msg: not supported on this OS\n"); return SANE_STATUS_UNSUPPORTED; @@ -2661,7 +2485,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req, } if ((rtype & 0x80) && debug_level > 10) print_buffer (data, len); - return SANE_STATUS_GOOD; } #elif defined(HAVE_LIBUSB) { @@ -2678,7 +2501,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req, } if ((rtype & 0x80) && debug_level > 10) print_buffer (data, len); - return SANE_STATUS_GOOD; } #else /* not HAVE_LIBUSB_LEGACY && not HAVE_LIBUSB*/ { @@ -2702,7 +2524,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req, } if ((rtype & 0x80) && debug_level > 10) print_buffer (data, len); - return SANE_STATUS_GOOD; #else /* not HAVE_USBCALLS */ { DBG (1, "sanei_usb_control_msg: usbcalls support missing\n"); @@ -2716,6 +2537,7 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req, devices[dn].method); return SANE_STATUS_UNSUPPORTED; } + return SANE_STATUS_GOOD; } SANE_Status @@ -3160,7 +2982,6 @@ sanei_usb_get_descriptor( SANE_Int dn, desc->dev_sub_class = usb_descr->bDeviceSubClass; desc->dev_protocol = usb_descr->bDeviceProtocol; desc->max_packet_size = usb_descr->bMaxPacketSize0; - return SANE_STATUS_GOOD; } #elif defined(HAVE_LIBUSB) { @@ -3185,7 +3006,6 @@ sanei_usb_get_descriptor( SANE_Int dn, desc->dev_sub_class = lu_desc.bDeviceSubClass; desc->dev_protocol = lu_desc.bDeviceProtocol; desc->max_packet_size = lu_desc.bMaxPacketSize0; - return SANE_STATUS_GOOD; } #else /* not HAVE_LIBUSB_LEGACY && not HAVE_LIBUSB */ { @@ -3193,4 +3013,5 @@ sanei_usb_get_descriptor( SANE_Int dn, return SANE_STATUS_UNSUPPORTED; } #endif /* not HAVE_LIBUSB_LEGACY && not HAVE_LIBUSB */ + return SANE_STATUS_GOOD; } |