add some device driver header files.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1910 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/drivers/include/drivers/mtd.h

+#ifndef __MTD_H__
+#define __MTD_H__
+
+struct rt_mtd_device
+{
+	const struct rt_mtd_driver_ops* ops;
+};
+
+struct rt_mtd_driver_ops
+{
+	rt_uint32_t (*read_id) (rt_mtd_device* device);
+	rt_err_t (*read_page)  (rt_mtd_device* device, rt_uint32_t page, rt_uint8_t *data, rt_uint8_t *spare);
+	rt_err_t (*write_page) (rt_mtd_device* device, rt_uint32_t page, rt_uint8_t *data, rt_uint8_t *spare);
+
+	rt_err_t (*erase_block)(rt_mtd_device* device, rt_uint32_t block);
+};
+
+#endif

components/drivers/include/rtdevice.h

+#ifndef __RT_DEVICE_H__
+#define __RT_DEVICE_H__
+
+#include <rtthread.h>
+
+#ifdef RT_USING_SPI
+#include "drivers/spi.h"
+#endif
+
+#ifdef RT_USING_MTD
+#include "drivers/mtd.h"
+#endif
+
+#ifdef RT_USING_USB_DEVICE
+#include "drivers/usb_device.h"
+#endif
+
+#ifdef RT_USING_USB_HOST
+#include "drivers/usb_host.h"
+#endif
+
+#endif

components/drivers/mtd/SConscript

+from building import *
+
+cwd     = GetCurrentDir()
+src	= Glob('*.c')
+CPPPATH = [cwd + '/../include']
+group = DefineGroup('Drivers', src, depend = ['RT_USING_MTD'], CPPPATH = CPPPATH)
+
+Return('group')

components/drivers/spi/SConscript

+from building import *
+
+cwd     = GetCurrentDir()
+src	= Glob('*.c')
+CPPPATH = [cwd + '/../include']
+group = DefineGroup('Drivers', src, depend = ['RT_USING_SPI'], CPPPATH = CPPPATH)
+
+Return('group')

components/drivers/usb/SConscript

@@ -4,6 +4,6 @@ from building import *
 cwd     = GetCurrentDir()
 src	= Glob('*.c')
 CPPPATH = [cwd]
-group = DefineGroup('USB', src, depend = ['RT_USING_USB_DEVICE'], CPPPATH = CPPPATH)
+group = DefineGroup('Drivers', src, depend = ['RT_USING_USB_DEVICE'], CPPPATH = CPPPATH)
 
 Return('group')