re-format the coding style in spi_dev.c

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2272 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/drivers/spi/spi_dev.c

@@ -1,145 +1,174 @@
+/*
+ * File      : spi_dev.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #include <rtthread.h>
 #include <drivers/spi.h>
 
 /* SPI bus device interface, compatible with RT-Thread 0.3.x/1.0.x */
 static rt_err_t _spi_bus_device_init(rt_device_t dev)
 {
-	struct rt_spi_bus* bus;
+    struct rt_spi_bus *bus;
 
-	bus = (struct rt_spi_bus*) dev;
-	RT_ASSERT(bus != RT_NULL);
+    bus = (struct rt_spi_bus *)dev;
+    RT_ASSERT(bus != RT_NULL);
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
-static rt_size_t _spi_bus_device_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
+static rt_size_t _spi_bus_device_read(rt_device_t dev,
+                                      rt_off_t    pos,
+                                      void       *buffer,
+                                      rt_size_t   size)
 {
-	struct rt_spi_bus* bus;
+    struct rt_spi_bus *bus;
 
-	bus = (struct rt_spi_bus*) dev;
-	RT_ASSERT(bus != RT_NULL);
-	RT_ASSERT(bus->owner != RT_NULL);
+    bus = (struct rt_spi_bus *)dev;
+    RT_ASSERT(bus != RT_NULL);
+    RT_ASSERT(bus->owner != RT_NULL);
 
-	return rt_spi_transfer(bus->owner, RT_NULL, buffer, size);
+    return rt_spi_transfer(bus->owner, RT_NULL, buffer, size);
 }
 
-static rt_size_t _spi_bus_device_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
+static rt_size_t _spi_bus_device_write(rt_device_t dev,
+                                       rt_off_t    pos,
+                                       const void *buffer,
+                                       rt_size_t   size)
 {
-	struct rt_spi_bus* bus;
+    struct rt_spi_bus *bus;
 
-	bus = (struct rt_spi_bus*) dev;
-	RT_ASSERT(bus != RT_NULL);
-	RT_ASSERT(bus->owner != RT_NULL);
+    bus = (struct rt_spi_bus *)dev;
+    RT_ASSERT(bus != RT_NULL);
+    RT_ASSERT(bus->owner != RT_NULL);
 
-	return rt_spi_transfer(bus->owner, buffer, RT_NULL, size);
+    return rt_spi_transfer(bus->owner, buffer, RT_NULL, size);
 }
 
-static rt_err_t _spi_bus_device_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+static rt_err_t _spi_bus_device_control(rt_device_t dev,
+                                        rt_uint8_t  cmd,
+                                        void       *args)
 {
-	struct rt_spi_bus* bus;
+    struct rt_spi_bus *bus;
 
-	bus = (struct rt_spi_bus*) dev;
-	RT_ASSERT(bus != RT_NULL);
+    bus = (struct rt_spi_bus *)dev;
+    RT_ASSERT(bus != RT_NULL);
 
-	switch (cmd)
-	{
-	case 0: /* set device */
-		break;
-	case 1:	
-		break;
-	}
+    switch (cmd)
+    {
+    case 0: /* set device */
+        break;
+    case 1: 
+        break;
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
-rt_err_t rt_spi_bus_device_init(struct rt_spi_bus* bus, const char* name)
+rt_err_t rt_spi_bus_device_init(struct rt_spi_bus *bus, const char *name)
 {
-	struct rt_device *device;
-	RT_ASSERT(bus != RT_NULL);
-
-	device = &bus->parent;
-
-	/* set device type */
-	device->type    = RT_Device_Class_SPIBUS;
-	/* initialize device interface */
-	device->init	= _spi_bus_device_init;
-	device->open	= RT_NULL;
-	device->close	= RT_NULL;
-	device->read	= _spi_bus_device_read;
-	device->write	= _spi_bus_device_write;
-	device->control = _spi_bus_device_control;
-
-	/* register to device manager */
-	return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
+    struct rt_device *device;
+    RT_ASSERT(bus != RT_NULL);
+
+    device = &bus->parent;
+
+    /* set device type */
+    device->type    = RT_Device_Class_SPIBUS;
+    /* initialize device interface */
+    device->init    = _spi_bus_device_init;
+    device->open    = RT_NULL;
+    device->close   = RT_NULL;
+    device->read    = _spi_bus_device_read;
+    device->write   = _spi_bus_device_write;
+    device->control = _spi_bus_device_control;
+
+    /* register to device manager */
+    return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
 }
 
 /* SPI Dev device interface, compatible with RT-Thread 0.3.x/1.0.x */
 static rt_err_t _spidev_device_init(rt_device_t dev)
 {
-	struct rt_spi_device* device;
+    struct rt_spi_device *device;
 
-	device = (struct rt_spi_device*) dev;
-	RT_ASSERT(device != RT_NULL);
+    device = (struct rt_spi_device *)dev;
+    RT_ASSERT(device != RT_NULL);
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
-static rt_size_t _spidev_device_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
+static rt_size_t _spidev_device_read(rt_device_t dev,
+                                     rt_off_t    pos,
+                                     void       *buffer,
+                                     rt_size_t   size)
 {
-	struct rt_spi_device* device;
+    struct rt_spi_device *device;
 
-	device = (struct rt_spi_device*) dev;
-	RT_ASSERT(device != RT_NULL);
-	RT_ASSERT(device->bus != RT_NULL);
+    device = (struct rt_spi_device *)dev;
+    RT_ASSERT(device != RT_NULL);
+    RT_ASSERT(device->bus != RT_NULL);
 
-	return rt_spi_transfer(device, RT_NULL, buffer, size);
+    return rt_spi_transfer(device, RT_NULL, buffer, size);
 }
 
-static rt_size_t _spidev_device_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
+static rt_size_t _spidev_device_write(rt_device_t dev,
+                                      rt_off_t    pos,
+                                      const void *buffer,
+                                      rt_size_t   size)
 {
-	struct rt_spi_device* device;
+    struct rt_spi_device *device;
 
-	device = (struct rt_spi_device*) dev;
-	RT_ASSERT(device != RT_NULL);
-	RT_ASSERT(device->bus != RT_NULL);
+    device = (struct rt_spi_device *)dev;
+    RT_ASSERT(device != RT_NULL);
+    RT_ASSERT(device->bus != RT_NULL);
 
-	return rt_spi_transfer(device, buffer, RT_NULL, size);
+    return rt_spi_transfer(device, buffer, RT_NULL, size);
 }
 
-static rt_err_t _spidev_device_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+static rt_err_t _spidev_device_control(rt_device_t dev,
+                                       rt_uint8_t  cmd,
+                                       void       *args)
 {
-	struct rt_spi_device* device;
+    struct rt_spi_device *device;
 
-	device = (struct rt_spi_device*) dev;
-	RT_ASSERT(device != RT_NULL);
+    device = (struct rt_spi_device *)dev;
+    RT_ASSERT(device != RT_NULL);
 
-	switch (cmd)
-	{
-	case 0: /* set device */
-		break;
-	case 1:	
-		break;
-	}
+    switch (cmd)
+    {
+    case 0: /* set device */
+        break;
+    case 1: 
+        break;
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
-rt_err_t rt_spidev_device_init(struct rt_spi_device* dev, const char* name)
+rt_err_t rt_spidev_device_init(struct rt_spi_device *dev, const char *name)
 {
-	struct rt_device* device;
-	RT_ASSERT(dev != RT_NULL);
-	
-	device = &(dev->parent);
-	
-	/* set device type */
-	device->type 	= RT_Device_Class_SPIDevice;
-	device->init 	= _spidev_device_init;
-	device->open 	= RT_NULL;
-	device->close 	= RT_NULL;
-	device->read 	= _spidev_device_read;
-	device->write 	= _spidev_device_write;
-	device->control = _spidev_device_control;
-	
-	/* register to device manager */
-	return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
+    struct rt_device *device;
+    RT_ASSERT(dev != RT_NULL);
+
+    device = &(dev->parent);
+
+    /* set device type */
+    device->type    = RT_Device_Class_SPIDevice;
+    device->init    = _spidev_device_init;
+    device->open    = RT_NULL;
+    device->close   = RT_NULL;
+    device->read    = _spidev_device_read;
+    device->write   = _spidev_device_write;
+    device->control = _spidev_device_control;
+    
+    /* register to device manager */
+    return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
 }