Changeset 237df2f in mainline for uspace/lib/usbhost/src/hcd.c

Timestamp:

2013-01-04T16:49:53Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

0e97b4b5

Parents:

daf199f

Message:

libusbhost: Add host side device initialization.

Add new roothub initialization functions (the old one is going away).
change usb device names created by host controller to be less awkward.

File:

• uspace/lib/usbhost/src/hcd.c (modified) (1 diff)

uspace/lib/usbhost/src/hcd.c

@@ -253 +253 @@
 }
 
+typedef struct {
+        volatile unsigned done;
+        int ret;        
+        size_t size;
+} sync_data_t;
+
+static void transfer_in_cb(int ret, size_t size, void* data)
+{
+        sync_data_t *d = data;
+        assert(d);
+        d->ret = ret;
+        d->done = 1;
+        d->size = size;
+}
+
+static void transfer_out_cb(int ret, void* data)
+{
+        sync_data_t *d = data;
+        assert(data);
+        d->ret = ret;
+        d->done = 1;
+}
+
+/** this is really ugly version of sync usb communication */
+ssize_t hcd_send_batch_sync(
+    hcd_t *hcd, usb_target_t target, usb_direction_t dir,
+    void *data, size_t size, uint64_t setup_data, const char* name)
+{
+        assert(hcd);
+        sync_data_t sd = { .done = 0, .ret = EINPROGRESS, .size = size };
+
+        int ret = hcd_send_batch(hcd, target, dir, data, size, setup_data,
+            dir == USB_DIRECTION_IN ? transfer_in_cb : NULL,
+            dir == USB_DIRECTION_OUT ? transfer_out_cb : NULL, &sd, name);
+        if (ret != EOK)
+                return ret;
+        do {
+                async_usleep(1000);
+        } while (!sd.done);
+        if (sd.ret == EOK)
+                return sd.size;
+        return sd.ret;
+}
+
+
 /**
  * @}