Changeset 643b983 in mainline for uspace/drv/uhci/uhci_struct/transfer_descriptor.h

Timestamp:

2011-01-21T18:14:01Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

bae9e76

Parents:

9600516

Message:

Init callback structure and TD for usb in transfers

File:

• uspace/drv/uhci/uhci_struct/transfer_descriptor.h (modified) (3 diffs)

uspace/drv/uhci/uhci_struct/transfer_descriptor.h

@@ -35 +35 @@
 #define DRV_UHCI_TRANSFER_DESCRIPTOR_H
 
+#include <mem.h>
+#include <usb/usb.h>
 #include "callback.h"
 
@@ -70 +72 @@
         char :1; /* reserved */
         uint8_t toggle:1;
-        uint8_t end_point:4;
+        uint8_t endpoint:4;
         uint8_t address:7;
         uint8_t pid;
@@ -85 +87 @@
 } __attribute__((packed)) transfer_descriptor_t;
 
+static inline int transfer_descriptor_init(transfer_descriptor_t *instance,
+  int error_count, size_t size, bool isochronous, usb_target_t target,
+        int pid)
+{
+        assert(instance);
+        bzero(instance, sizeof(transfer_descriptor_t));
+
+        instance->depth = 1;
+        instance->terminate = 1;
+
+        assert(error_count < 4);
+        instance->error_count = error_count;
+        instance->status.active = 1;
+
+        assert(size < 1024);
+        instance->maxlen = size;
+
+        instance->address = target.address;
+        instance->endpoint = target.endpoint;
+
+        instance->pid = pid;
+
+        return EOK;
+}
+
 #endif
 /**