Changeset 02fc5c4 in mainline for uspace/lib/usbdev/src/pipesinit.c

Timestamp:

2011-11-25T17:41:23Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

095bddfc

Parents:

56bdd9a4

Message:

usbhc: Export IPC wrapper instead of IPC call numbers.

Hide IPC protocol in one file, instead of multiple client implementations.
Rename 'find_by_address' ⇒ 'get_handle'

File:

• uspace/lib/usbdev/src/pipesinit.c (modified) (4 diffs)

uspace/lib/usbdev/src/pipesinit.c

@@ -405 +405 @@
         }
 
-#define TRY_LOOP(attempt_var) \
-        for (attempt_var = 0; attempt_var < 3; attempt_var++)
-
-        size_t failed_attempts;
-        int rc;
 
         usb_pipe_start_long_transfer(pipe);
@@ -415 +410 @@
         uint8_t dev_descr_start[CTRL_PIPE_MIN_PACKET_SIZE];
         size_t transferred_size;
-        TRY_LOOP(failed_attempts) {
+        int rc;
+        for (size_t attempt_var = 0; attempt_var < 3; ++attempt_var) {
                 rc = usb_request_get_descriptor(pipe, USB_REQUEST_TYPE_STANDARD,
                     USB_REQUEST_RECIPIENT_DEVICE, USB_DESCTYPE_DEVICE,
@@ -450 +446 @@
 {
         assert(pipe);
+        assert(pipe->wire);
         assert(hc_connection);
 
         if (!usb_hc_connection_is_opened(hc_connection))
                 return EBADF;
-
-        const usb_target_t target =
-            {{ .address = pipe->wire->address, .endpoint = pipe->endpoint_no }};
-#define _PACK2(high, low) (((high & 0xffff) << 16) | (low & 0xffff))
-
         async_exch_t *exch = async_exchange_begin(hc_connection->hc_sess);
-        int rc = async_req_4_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE),
-            IPC_M_USBHC_REGISTER_ENDPOINT, target.packed,
-            _PACK2(pipe->transfer_type, pipe->direction),
-            _PACK2(pipe->max_packet_size, interval));
+        if (!exch)
+                return ENOMEM;
+        const int ret = usbhc_register_endpoint(exch,
+            pipe->wire->address, pipe->endpoint_no, pipe->transfer_type,
+            pipe->direction, pipe->max_packet_size, interval);
+
         async_exchange_end(exch);
-
-#undef _PACK2
-        return rc;
+        return ret;
 }
 
@@ -482 +474 @@
         assert(pipe->wire);
         assert(hc_connection);
-        
+
         if (!usb_hc_connection_is_opened(hc_connection))
                 return EBADF;
-        
+
         async_exch_t *exch = async_exchange_begin(hc_connection->hc_sess);
-        int rc = async_req_4_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE),
-            IPC_M_USBHC_UNREGISTER_ENDPOINT,
+        if (!exch)
+                return ENOMEM;
+        const int ret = usbhc_unregister_endpoint(exch,
             pipe->wire->address, pipe->endpoint_no, pipe->direction);
         async_exchange_end(exch);
-        
-        return rc;
+
+        return ret;
 }