Changeset a7e2f0d in mainline for uspace/drv/uhci-hcd/batch.c

Timestamp:

2011-03-07T18:57:00Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

18e9eeb

Parents:

0d3167e

Message:

Doxygen and other comments

File:

• uspace/drv/uhci-hcd/batch.c (modified) (16 diffs)

uspace/drv/uhci-hcd/batch.c

@@ -57 +57 @@
 
 
+/** Allocates memory and initializes internal data structures.
+ *
+ * @param[in] fun DDF function to pass to callback.
+ * @param[in] target Device and endpoint target of the transaction.
+ * @param[in] transfer_type Interrupt, Control or Bulk.
+ * @param[in] max_packet_size maximum allowed size of data packets.
+ * @param[in] speed Speed of the transaction.
+ * @param[in] buffer Data source/destination.
+ * @param[in] size Size of the buffer.
+ * @param[in] setup_buffer Setup data source (if not NULL)
+ * @param[in] setup_size Size of setup_buffer (should be always 8)
+ * @param[in] func_in function to call on inbound transaction completion
+ * @param[in] func_out function to call on outbound transaction completion
+ * @param[in] arg additional parameter to func_in or func_out
+ * @param[in] manager Pointer to toggle management structure.
+ * @return False, if there is an active TD, true otherwise.
+ */
 batch_t * batch_get(ddf_fun_t *fun, usb_target_t target,
     usb_transfer_type_t transfer_type, size_t max_packet_size,
@@ -139 +156 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Checks batch TDs for activity.
+ *
+ * @param[in] instance Batch structure to use.
+ * @return False, if there is an active TD, true otherwise.
+ */
 bool batch_is_complete(batch_t *instance)
 {
@@ -172 +194 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares control write transaction.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_control_write(batch_t *instance)
 {
         assert(instance);
         /* we are data out, we are supposed to provide data */
-        memcpy(instance->transport_buffer, instance->buffer, instance->buffer_size);
+        memcpy(instance->transport_buffer, instance->buffer,
+            instance->buffer_size);
         batch_control(instance, USB_PID_OUT, USB_PID_IN);
         instance->next_step = batch_call_out_and_dispose;
@@ -183 +210 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares control read transaction.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_control_read(batch_t *instance)
 {
@@ -192 +223 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares interrupt in transaction.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_interrupt_in(batch_t *instance)
 {
@@ -201 +236 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares interrupt out transaction.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_interrupt_out(batch_t *instance)
 {
@@ -212 +251 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares bulk in transaction.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_bulk_in(batch_t *instance)
 {
@@ -221 +264 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares bulk out transaction.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_bulk_out(batch_t *instance)
 {
@@ -231 +278 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares generic data transaction
+ *
+ * @param[in] instance Batch structure to use.
+ * @param[in] pid to use for data packets.
+ */
 void batch_data(batch_t *instance, usb_packet_id pid)
 {
@@ -269 +321 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares generic control transaction
+ *
+ * @param[in] instance Batch structure to use.
+ * @param[in] data_stage to use for data packets.
+ * @param[in] status_stage to use for data packets.
+ */
 void batch_control(batch_t *instance,
    usb_packet_id data_stage, usb_packet_id status_stage)
@@ -317 +375 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares data, gets error status and calls callback in.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_call_in(batch_t *instance)
 {
@@ -323 +385 @@
 
         /* we are data in, we need data */
-        memcpy(instance->buffer, instance->transport_buffer, instance->buffer_size);
+        memcpy(instance->buffer, instance->transport_buffer,
+            instance->buffer_size);
 
         int err = instance->error;
@@ -334 +397 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Gets error status and calls callback out.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_call_out(batch_t *instance)
 {
@@ -346 +413 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Prepares data, gets error status, calls callback in and dispose.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_call_in_and_dispose(batch_t *instance)
 {
@@ -353 +424 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Gets error status, calls callback out and dispose.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_call_out_and_dispose(batch_t *instance)
 {
@@ -360 +435 @@
 }
 /*----------------------------------------------------------------------------*/
+/** Correctly disposes all used data structures.
+ *
+ * @param[in] instance Batch structure to use.
+ */
 void batch_dispose(batch_t *instance)
 {