1 files changed, 44 insertions, 44 deletions

diff --git a/bsp/lpc2148/drivers/dm9000.c b/bsp/lpc2148/drivers/dm9000.c
index 169be59f12..9bc8d445f9 100644
--- a/bsp/lpc2148/drivers/dm9000.c
+++ b/bsp/lpc2148/drivers/dm9000.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -15,11 +15,11 @@
 #define MAX_ADDR_LEN 6
 struct rt_dm9000_eth
 {
-	/* inherit from ethernet device */
-	struct eth_device parent;
+    /* inherit from ethernet device */
+    struct eth_device parent;
 
-	/* interface address info. */
-	rt_uint8_t  dev_addr[MAX_ADDR_LEN];			/* hw address	*/
+    /* interface address info. */
+    rt_uint8_t  dev_addr[MAX_ADDR_LEN];         /* hw address   */
 };
 static struct rt_dm9000_eth dm9000_device;
 
@@ -52,67 +52,67 @@ static rt_err_t rt_dm9000_init(rt_device_t dev)
 
 static rt_err_t rt_dm9000_open(rt_device_t dev, rt_uint16_t oflag)
 {
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_err_t rt_dm9000_close(rt_device_t dev)
 {
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_size_t rt_dm9000_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
 {
-	rt_set_errno(-RT_ENOSYS);
-	return 0;
+    rt_set_errno(-RT_ENOSYS);
+    return 0;
 }
 
 static rt_size_t rt_dm9000_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
 {
-	rt_set_errno(-RT_ENOSYS);
-	return 0;
+    rt_set_errno(-RT_ENOSYS);
+    return 0;
 }
 
 static rt_err_t rt_dm9000_control(rt_device_t dev, int cmd, void *args)
 {
-	switch(cmd)
-	{
-	case NIOCTL_GADDR:
-		/* get mac address */
-		if(args) rt_memcpy(args, dm9000_device.dev_addr, 6);
-		else return -RT_ERROR;
-		break;
+    switch(cmd)
+    {
+    case NIOCTL_GADDR:
+        /* get mac address */
+        if(args) rt_memcpy(args, dm9000_device.dev_addr, 6);
+        else return -RT_ERROR;
+        break;
 
-	default :
-		break;
-	}
+    default :
+        break;
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 /* ethernet device interface */
 /* transmit packet. */
 rt_err_t rt_dm9000_tx( rt_device_t dev, struct pbuf* p)
 {
-	struct pbuf* q;
-	rt_uint32_t len;
-	rt_uint8_t* ptr;
+    struct pbuf* q;
+    rt_uint32_t len;
+    rt_uint8_t* ptr;
 
-	for (q = p; q != NULL; q = q->next)
-	{
-		len = q->len;
-		ptr = q->payload;
+    for (q = p; q != NULL; q = q->next)
+    {
+        len = q->len;
+        ptr = q->payload;
 
-		/* write data to device */
-	}
+        /* write data to device */
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 /* reception packet. */
 struct pbuf *rt_dm9000_rx(rt_device_t dev)
 {
     struct pbuf* p;
-	rt_uint32_t len;
+    rt_uint32_t len;
 
     /* init p pointer */
     p = RT_NULL;
@@ -149,17 +149,17 @@ struct pbuf *rt_dm9000_rx(rt_device_t dev)
 
 void rt_hw_dm9000_init()
 {
-	dm9000_device.parent.parent.init       = rt_dm9000_init;
-	dm9000_device.parent.parent.open       = rt_dm9000_open;
-	dm9000_device.parent.parent.close      = rt_dm9000_close;
-	dm9000_device.parent.parent.read       = rt_dm9000_read;
-	dm9000_device.parent.parent.write      = rt_dm9000_write;
-	dm9000_device.parent.parent.control    = rt_dm9000_control;
-	dm9000_device.parent.parent.user_data  = RT_NULL;
+    dm9000_device.parent.parent.init       = rt_dm9000_init;
+    dm9000_device.parent.parent.open       = rt_dm9000_open;
+    dm9000_device.parent.parent.close      = rt_dm9000_close;
+    dm9000_device.parent.parent.read       = rt_dm9000_read;
+    dm9000_device.parent.parent.write      = rt_dm9000_write;
+    dm9000_device.parent.parent.control    = rt_dm9000_control;
+    dm9000_device.parent.parent.user_data  = RT_NULL;
 
-	dm9000_device.parent.eth_rx     = rt_dm9000_rx;
-	dm9000_device.parent.eth_tx     = rt_dm9000_tx;
+    dm9000_device.parent.eth_rx     = rt_dm9000_rx;
+    dm9000_device.parent.eth_tx     = rt_dm9000_tx;
 
-	rt_device_register((rt_device_t)&dm9000_device,
-		"E0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_INT_TX);
+    rt_device_register((rt_device_t)&dm9000_device,
+        "E0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_INT_TX);
 }