first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
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+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-06-06     ChenYong     First version
+ */
+
+#include <rtthread.h>
+
+#include <netdb.h>
+#include <sal_low_lvl.h>
+
+#include <at_socket.h>
+#include <af_inet.h>
+
+#include <netdev.h>
+
+#ifdef SAL_USING_POSIX
+#include <poll.h>
+#endif
+
+#ifdef SAL_USING_AT
+
+#ifdef SAL_USING_POSIX
+static int at_poll(struct dfs_file *file, struct rt_pollreq *req)
+{
+    int mask = 0;
+    struct at_socket *sock;
+    struct sal_socket *sal_sock;
+
+    sal_sock = sal_get_socket((int)file->vnode->data);
+    if(!sal_sock)
+    {
+        return -1;
+    }
+
+    sock = at_get_socket((int)sal_sock->user_data);
+    if (sock != NULL)
+    {
+        rt_base_t level;
+
+        rt_poll_add(&sock->wait_head, req);
+
+        level = rt_hw_interrupt_disable();
+        if (sock->rcvevent)
+        {
+            mask |= POLLIN;
+        }
+        if (sock->sendevent)
+        {
+            mask |= POLLOUT;
+        }
+        if (sock->errevent)
+        {
+            mask |= POLLERR;
+        }
+        rt_hw_interrupt_enable(level);
+    }
+
+    return mask;
+}
+#endif
+
+static const struct sal_socket_ops at_socket_ops =
+{
+    at_socket,
+    at_closesocket,
+    at_bind,
+#ifdef AT_USING_SOCKET_SERVER
+    at_listen,
+#else
+    NULL,
+#endif
+    at_connect,
+#ifdef AT_USING_SOCKET_SERVER
+    at_accept,
+#else
+    NULL,
+#endif
+    at_sendto,
+    NULL,
+    NULL,
+    at_recvfrom,
+    at_getsockopt,
+    at_setsockopt,
+    at_shutdown,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+#ifdef SAL_USING_POSIX
+    at_poll,
+#endif /* SAL_USING_POSIX */
+};
+
+static const struct sal_netdb_ops at_netdb_ops =
+{
+    at_gethostbyname,
+    at_gethostbyname_r,
+    at_getaddrinfo,
+    at_freeaddrinfo,
+};
+
+static const struct sal_proto_family at_inet_family =
+{
+    AF_AT,
+    AF_INET,
+    &at_socket_ops,
+    &at_netdb_ops,
+};
+
+
+/* Set AT network interface device protocol family information */
+int sal_at_netdev_set_pf_info(struct netdev *netdev)
+{
+    RT_ASSERT(netdev);
+
+    netdev->sal_user_data = (void *) &at_inet_family;
+    return 0;
+}
+
+#endif /* SAL_USING_AT */