import RT-Thread@9217865c without bsp, libcpu and components/net

components/drivers/mtd/mtd_nor.c

@@ -0,0 +1,117 @@
+/*
+ * COPYRIGHT (C) 2011-2023, Real-Thread Information Technology Ltd
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2012-5-30     Bernard      the first version
+ */
+
+#include <rtdevice.h>
+
+#ifdef RT_USING_MTD_NOR
+
+/**
+ * RT-Thread Generic Device Interface
+ */
+static rt_err_t _mtd_init(rt_device_t dev)
+{
+    return RT_EOK;
+}
+
+static rt_err_t _mtd_open(rt_device_t dev, rt_uint16_t oflag)
+{
+    return RT_EOK;
+}
+
+static rt_err_t _mtd_close(rt_device_t dev)
+{
+    return RT_EOK;
+}
+
+static rt_ssize_t _mtd_read(rt_device_t dev,
+                           rt_off_t    pos,
+                           void       *buffer,
+                           rt_size_t   size)
+{
+    return size;
+}
+
+static rt_ssize_t _mtd_write(rt_device_t dev,
+                            rt_off_t    pos,
+                            const void *buffer,
+                            rt_size_t   size)
+{
+    return size;
+}
+
+static rt_err_t _mtd_control(rt_device_t dev, int cmd, void *args)
+{
+    return RT_EOK;
+}
+
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops mtd_nor_ops =
+{
+    _mtd_init,
+    _mtd_open,
+    _mtd_close,
+    _mtd_read,
+    _mtd_write,
+    _mtd_control
+};
+#endif
+
+rt_err_t rt_mtd_nor_register_device(const char               *name,
+                                    struct rt_mtd_nor_device *device)
+{
+    rt_device_t dev;
+
+    dev = RT_DEVICE(device);
+    RT_ASSERT(dev != RT_NULL);
+
+    /* set device class and generic device interface */
+    dev->type        = RT_Device_Class_MTD;
+#ifdef RT_USING_DEVICE_OPS
+    dev->ops         = &mtd_nor_ops;
+#else
+    dev->init        = _mtd_init;
+    dev->open        = _mtd_open;
+    dev->read        = _mtd_read;
+    dev->write       = _mtd_write;
+    dev->close       = _mtd_close;
+    dev->control     = _mtd_control;
+#endif
+
+    dev->rx_indicate = RT_NULL;
+    dev->tx_complete = RT_NULL;
+
+    /* register to RT-Thread device system */
+    return rt_device_register(dev, name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
+}
+
+rt_uint32_t rt_mtd_nor_read_id(struct rt_mtd_nor_device* device)
+{
+    return device->ops->read_id(device);
+}
+
+rt_ssize_t rt_mtd_nor_read(struct rt_mtd_nor_device* device,
+        rt_off_t offset, rt_uint8_t* data, rt_size_t length)
+{
+    return device->ops->read(device, offset, data, length);
+}
+
+rt_ssize_t rt_mtd_nor_write(struct rt_mtd_nor_device* device,
+        rt_off_t offset, const rt_uint8_t* data, rt_size_t length)
+{
+    return device->ops->write(device, offset, data, length);
+}
+
+rt_err_t rt_mtd_nor_erase_block(struct rt_mtd_nor_device* device,
+        rt_off_t offset, rt_size_t length)
+{
+    return device->ops->erase_block(device, offset, length);
+}
+
+#endif