xref: /nrf52832-nimble/rt-thread/components/drivers/mtd/mtd_nor.c (revision 104654410c56c573564690304ae786df310c91fc)
1*10465441SEvalZero /*
2*10465441SEvalZero  * COPYRIGHT (C) 2018, Real-Thread Information Technology Ltd
3*10465441SEvalZero  *
4*10465441SEvalZero  * SPDX-License-Identifier: Apache-2.0
5*10465441SEvalZero  *
6*10465441SEvalZero  * Change Logs:
7*10465441SEvalZero  * Date           Author       Notes
8*10465441SEvalZero  * 2012-5-30     Bernard      the first version
9*10465441SEvalZero  */
10*10465441SEvalZero 
11*10465441SEvalZero #include <drivers/mtd_nor.h>
12*10465441SEvalZero 
13*10465441SEvalZero #ifdef RT_USING_MTD_NOR
14*10465441SEvalZero 
15*10465441SEvalZero /**
16*10465441SEvalZero  * RT-Thread Generic Device Interface
17*10465441SEvalZero  */
_mtd_init(rt_device_t dev)18*10465441SEvalZero static rt_err_t _mtd_init(rt_device_t dev)
19*10465441SEvalZero {
20*10465441SEvalZero     return RT_EOK;
21*10465441SEvalZero }
22*10465441SEvalZero 
_mtd_open(rt_device_t dev,rt_uint16_t oflag)23*10465441SEvalZero static rt_err_t _mtd_open(rt_device_t dev, rt_uint16_t oflag)
24*10465441SEvalZero {
25*10465441SEvalZero     return RT_EOK;
26*10465441SEvalZero }
27*10465441SEvalZero 
_mtd_close(rt_device_t dev)28*10465441SEvalZero static rt_err_t _mtd_close(rt_device_t dev)
29*10465441SEvalZero {
30*10465441SEvalZero     return RT_EOK;
31*10465441SEvalZero }
32*10465441SEvalZero 
_mtd_read(rt_device_t dev,rt_off_t pos,void * buffer,rt_size_t size)33*10465441SEvalZero static rt_size_t _mtd_read(rt_device_t dev,
34*10465441SEvalZero                            rt_off_t    pos,
35*10465441SEvalZero                            void       *buffer,
36*10465441SEvalZero                            rt_size_t   size)
37*10465441SEvalZero {
38*10465441SEvalZero     return size;
39*10465441SEvalZero }
40*10465441SEvalZero 
_mtd_write(rt_device_t dev,rt_off_t pos,const void * buffer,rt_size_t size)41*10465441SEvalZero static rt_size_t _mtd_write(rt_device_t dev,
42*10465441SEvalZero                             rt_off_t    pos,
43*10465441SEvalZero                             const void *buffer,
44*10465441SEvalZero                             rt_size_t   size)
45*10465441SEvalZero {
46*10465441SEvalZero     return size;
47*10465441SEvalZero }
48*10465441SEvalZero 
_mtd_control(rt_device_t dev,int cmd,void * args)49*10465441SEvalZero static rt_err_t _mtd_control(rt_device_t dev, int cmd, void *args)
50*10465441SEvalZero {
51*10465441SEvalZero     return RT_EOK;
52*10465441SEvalZero }
53*10465441SEvalZero 
54*10465441SEvalZero #ifdef RT_USING_DEVICE_OPS
55*10465441SEvalZero const static struct rt_device_ops mtd_nor_ops =
56*10465441SEvalZero {
57*10465441SEvalZero     _mtd_init,
58*10465441SEvalZero     _mtd_open,
59*10465441SEvalZero     _mtd_close,
60*10465441SEvalZero     _mtd_read,
61*10465441SEvalZero     _mtd_write,
62*10465441SEvalZero     _mtd_control
63*10465441SEvalZero };
64*10465441SEvalZero #endif
65*10465441SEvalZero 
rt_mtd_nor_register_device(const char * name,struct rt_mtd_nor_device * device)66*10465441SEvalZero rt_err_t rt_mtd_nor_register_device(const char               *name,
67*10465441SEvalZero                                     struct rt_mtd_nor_device *device)
68*10465441SEvalZero {
69*10465441SEvalZero     rt_device_t dev;
70*10465441SEvalZero 
71*10465441SEvalZero     dev = RT_DEVICE(device);
72*10465441SEvalZero     RT_ASSERT(dev != RT_NULL);
73*10465441SEvalZero 
74*10465441SEvalZero     /* set device class and generic device interface */
75*10465441SEvalZero     dev->type        = RT_Device_Class_MTD;
76*10465441SEvalZero #ifdef RT_USING_DEVICE_OPS
77*10465441SEvalZero     dev->ops         = &mtd_nor_ops;
78*10465441SEvalZero #else
79*10465441SEvalZero     dev->init        = _mtd_init;
80*10465441SEvalZero     dev->open        = _mtd_open;
81*10465441SEvalZero     dev->read        = _mtd_read;
82*10465441SEvalZero     dev->write       = _mtd_write;
83*10465441SEvalZero     dev->close       = _mtd_close;
84*10465441SEvalZero     dev->control     = _mtd_control;
85*10465441SEvalZero #endif
86*10465441SEvalZero 
87*10465441SEvalZero     dev->rx_indicate = RT_NULL;
88*10465441SEvalZero     dev->tx_complete = RT_NULL;
89*10465441SEvalZero 
90*10465441SEvalZero     /* register to RT-Thread device system */
91*10465441SEvalZero     return rt_device_register(dev, name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
92*10465441SEvalZero }
93*10465441SEvalZero 
94*10465441SEvalZero #endif
95