Changeset a752c78c in mainline for uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.h

Timestamp:

2014-01-25T07:07:54Z (9 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial

Children:

23e5471

Parents:

6602e97

Message:

ehci: Implement batch error checking

File:

• uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.h (modified) (1 diff)

uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.h

@@ -73 +73 @@
 } td_t;
 
+static inline bool td_active(const td_t *td)
+{
+        assert(td);
+        return (EHCI_MEM32_RD(td->status) & TD_STATUS_HALTED_FLAG) != 0;
+}
+
+static inline size_t td_remain_size(const td_t *td)
+{
+        assert(td);
+        return (EHCI_MEM32_RD(td->status) >> TD_STATUS_TOTAL_SHIFT) &
+            TD_STATUS_TOTAL_MASK;
+}
+
+int td_error(const td_t *td);
+
 void td_init(td_t *td, const td_t *next, usb_direction_t dir, const void * buf,
     size_t buf_size, int toggle);