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