Changeset 1845003 in mainline

Timestamp:

2013-08-02T14:57:55Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

3969a42

Parents:

64e1fb2

Message:

libusbhost: Implement usb iface data communication.

File:

• uspace/lib/usbhost/src/ddf_helpers.c (modified) (2 diffs)

uspace/lib/usbhost/src/ddf_helpers.c

@@ -230 +230 @@
 }
 
+/** Inbound communication interface function.
+ * @param fun DDF function.
+ * @param target Communication target.
+ * @param setup_data Data to use in setup stage (control transfers).
+ * @param data Pointer to data buffer.
+ * @param size Size of the data buffer.
+ * @param callback Function to call on communication end.
+ * @param arg Argument passed to the callback function.
+ * @return Error code.
+ */
+static int dev_read(ddf_fun_t *fun, usb_endpoint_t endpoint,
+    uint64_t setup_data, uint8_t *data, size_t size,
+    usbhc_iface_transfer_in_callback_t callback, void *arg)
+{
+        assert(fun);
+        usb_dev_t *usb_dev = ddf_fun_data_get(fun);
+        assert(usb_dev);
+        const usb_target_t target = {{
+            .address =  usb_dev->address,
+            .endpoint = endpoint,
+        }};
+        return hcd_send_batch(dev_to_hcd(ddf_fun_get_dev(fun)), target,
+            USB_DIRECTION_IN, data, size, setup_data, callback, NULL, arg,
+            "READ");
+}
+
+/** Outbound communication interface function.
+ * @param fun DDF function.
+ * @param target Communication target.
+ * @param setup_data Data to use in setup stage (control transfers).
+ * @param data Pointer to data buffer.
+ * @param size Size of the data buffer.
+ * @param callback Function to call on communication end.
+ * @param arg Argument passed to the callback function.
+ * @return Error code.
+ */
+static int dev_write(ddf_fun_t *fun, usb_endpoint_t endpoint,
+    uint64_t setup_data, const uint8_t *data, size_t size,
+    usbhc_iface_transfer_out_callback_t callback, void *arg)
+{
+        assert(fun);
+        usb_dev_t *usb_dev = ddf_fun_data_get(fun);
+        assert(usb_dev);
+        const usb_target_t target = {{
+            .address =  usb_dev->address,
+            .endpoint = endpoint,
+        }};
+        return hcd_send_batch(dev_to_hcd(ddf_fun_get_dev(fun)),
+            target, USB_DIRECTION_OUT, (uint8_t*)data, size, setup_data, NULL,
+            callback, arg, "WRITE");
+}
+
 /** Root hub USB interface */
 static usb_iface_t usb_iface = {
@@ -243 +295 @@
         .register_endpoint = register_endpoint,
         .unregister_endpoint = unregister_endpoint,
+        .read = dev_read,
+        .write = dev_write,
 };