Changeset 7786cea in mainline for uspace/drv/ohci/hw_struct/endpoint_descriptor.h

Timestamp:

2011-04-08T21:54:12Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

b854e56

Parents:

96b8f322

Message:

Implement endpoint descriptor initialization

File:

• uspace/drv/ohci/hw_struct/endpoint_descriptor.h (modified) (3 diffs)

uspace/drv/ohci/hw_struct/endpoint_descriptor.h

@@ -38 +38 @@
 #include <stdint.h>
 
+#include <usb/host/endpoint.h>
+
 #include "utils/malloc32.h"
 
@@ -52 +54 @@
 #define ED_STATUS_D_IN (0x1)
 #define ED_STATUS_D_OUT (0x2)
+#define ED_STATUS_D_TRANSFER (0x3)
 
-#define ED_STATUS_S_FLAG (1 << 13) /* speed flag */
+#define ED_STATUS_S_FLAG (1 << 13) /* speed flag: 1 = low */
 #define ED_STATUS_K_FLAG (1 << 14) /* skip flag (no not execute this ED) */
 #define ED_STATUS_F_FLAG (1 << 15) /* format: 1 = isochronous*/
@@ -75 +78 @@
 } __attribute__((packed)) ed_t;
 
-static inline void ed_init_dummy(ed_t *instance)
+void ed_init(ed_t *instance, endpoint_t *ep);
+
+static inline void ed_add_tds(ed_t *instance, uint32_t head, uint32_t tail)
 {
         assert(instance);
-        bzero(instance, sizeof(ed_t));
-        instance->status |= ED_STATUS_K_FLAG;
+        instance->td_head = head & ED_TDHEAD_PTR_MASK;
+        instance->td_tail = tail & ED_TDTAIL_PTR_MASK;
 }