Changeset aeb49e9 in mainline for uspace/lib/drv/generic/remote_clock_dev.c

Timestamp:

2012-04-04T18:33:56Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

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

Children:

f1abd6e

Parents:

8354ca6

Message:

rtc: add the remote_clock_time_set implementation

File:

• uspace/lib/drv/generic/remote_clock_dev.c (modified) (2 diffs)

uspace/lib/drv/generic/remote_clock_dev.c

@@ -42 +42 @@
 static void remote_clock_time_get(ddf_fun_t *, void *, ipc_callid_t,
     ipc_call_t *);
-/*
 static void remote_clock_time_set(ddf_fun_t *, void *, ipc_callid_t,
     ipc_call_t *);
-*/
 
 /** Remote clock interface operations */
 static remote_iface_func_ptr_t remote_clock_dev_iface_ops[] = {
         &remote_clock_time_get,
-        /* XXX &remote_clock_time_set, */
+        &remote_clock_time_set,
 };
 
@@ -105 +103 @@
 }
 
-/* TODO: remote_clock_time_set() */
+/** Process the write request from the remote client
+ *
+ * @param fun   The function to which the data are written
+ * @param ops   The local ops structure
+ */
+static void remote_clock_time_set(ddf_fun_t *fun, void *ops,
+    ipc_callid_t callid, ipc_call_t *call)
+{
+        clock_dev_ops_t *clock_dev_ops = (clock_dev_ops_t *) ops;
+        int          rc;
+        struct tm    t;
+        ipc_callid_t cid;
+        size_t       len;
+
+        if (!async_data_write_receive(&cid, &len)) {
+                /* TODO: Handle protocol error */
+                async_answer_0(callid, EINVAL);
+                return;
+        }
+
+        if (!clock_dev_ops->time_set) {
+                /* The driver does not support the time_set() functionality */
+                async_data_write_finalize(cid, NULL, 0);
+                async_answer_0(callid, ENOTSUP);
+                return;
+        }
+
+        async_data_write_finalize(cid, &t, sizeof(struct tm));
+
+        rc = (*clock_dev_ops->time_set)(fun, &t);
+        if (rc < 0) {
+                /* Some error occurred */
+                async_answer_0(callid, rc);
+                return;
+        }
+
+        async_answer_1(callid, EOK, rc);
+}
 
 /**