first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <rtthread.h>
+#include <drivers/core/bus.h>
+
+#if defined(RT_USING_POSIX_DEVIO)
+#include <rtdevice.h> /* for wqueue_init */
+#endif
+
+/**
+ * This function attach a driver to bus
+ *
+ * @param drv the driver to be attached
+ */
+rt_err_t rt_driver_register(rt_driver_t drv)
+{
+    rt_err_t ret;
+    struct rt_bus *bus = RT_NULL;
+
+    RT_ASSERT(drv != RT_NULL);
+
+    if (drv->bus)
+    {
+        bus = drv->bus;
+        ret = rt_bus_add_driver(bus, drv);
+    }
+    else
+    {
+        ret = -RT_EINVAL;
+    }
+
+    return ret;
+}
+RTM_EXPORT(rt_driver_register);
+
+/**
+ * This function remove driver from system.
+ *
+ * @param drv the driver to be removed
+ */
+rt_err_t rt_driver_unregister(rt_driver_t drv)
+{
+    rt_err_t ret;
+
+    ret = rt_bus_remove_driver(drv);
+
+    return ret;
+}
+RTM_EXPORT(rt_driver_unregister);