gr55xx_nvds.h
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1 /**
2 ******************************************************************************
3 *
4 * @file gr55xx_nvds.h
5 *
6 * @brief NVDS API
7 *
8 ******************************************************************************
9 * @attention
10 #####Copyright (c) 2019 GOODIX
11 All rights reserved.
12
13 Redistribution and use in source and binary forms, with or without
14 modification, are permitted provided that the following conditions are met:
15 * Redistributions of source code must retain the above copyright
16 notice, this list of conditions and the following disclaimer.
17 * Redistributions in binary form must reproduce the above copyright
18 notice, this list of conditions and the following disclaimer in the
19 documentation and/or other materials provided with the distribution.
20 * Neither the name of GOODIX nor the names of its contributors may be used
21 to endorse or promote products derived from this software without
22 specific prior written permission.
23
24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 POSSIBILITY OF SUCH DAMAGE.
35 *****************************************************************************************
36 */
37
38 /**
39 * @addtogroup SYSTEM
40 * @{
41 */
42 /**
43 @addtogroup NVDS Non-Volatile Data Storage
44 @{
45 @brief Definitions and prototypes for the NVDS interface.
46 */
47
48 #ifndef __GR55XX_NVDS_H__
49 #define __GR55XX_NVDS_H__
50
51 #include <stdint.h>
52 #include <stdbool.h>
53
54 /**
55 * @addtogroup NVDS_DEFINES Defines
56 * @{
57 */
58 #define NV_TAGCAT_APP 0x4000 /**< NVDS tag mask for user application. */
59 #define NV_TAG_APP(idx) (NV_TAGCAT_APP | ((idx) & 0x3FFF)) /**< Get NVDS tag for user application.
60 The values of Tag 0x0000 and 0xFFFF are invalid.
61 Idx should not be used as the parameter of NVDS APIs directly.
62 The range of idx is 0x0000~0x3FFF. */
63 /** @} */
64
65 /**
66 * @addtogroup NVDS_ENUMERATIONS Enumerations
67 * @{
68 */
69 /**
70 * @brief NVDS Returned Status.
71 */
72 enum NVDS_STATUS
73 {
74 NVDS_SUCCESS, /**< NVDS succeeds. */
75 NVDS_GC_COMPLETE, /**< NVDS garbage collection complete. */
76 NVDS_FAIL, /**< NVDS failed. */
77 NVDS_NOT_INIT, /**< NVDS not initialize. */
78 NVDS_TAG_NOT_EXISTED, /**< NVDS tag does not exist. */
79 NVDS_SPACE_NOT_ENOUGH, /**< NVDS space is not enough. */
80 NVDS_LENGTH_OUT_OF_RANGE, /**< NVDS length out of range. */
81 NVDS_INVALID_PARA, /**< NVDS invalid params. */
82 NVDS_INVALID_SECTORS, /**< NVDS_INIT input parameter sectors error */
83 NVDS_INIT_START_ADDR_NO_ALIGN, /**< NVDS_INIT input parameter start addr is not 4K aligned. */
84 NVDS_INIT_AREA_SLOP_OVER, /**< NVDS_INIT input parameters cause nvds to out of range. */
85 NVDS_INIT_CHECKSUM_FAIL, /**< When nvds has been initialized and read tag, verification fail. */
86 NVDS_INIT_TAG_LEN_ERR, /**< When nvds has been initialized and read tag, the tag length is 0. */
87 NVDS_INIT_READ_TAG_NOT_COMPLETE, /**< When nvds has been initialized read tag not complate. */
88 NVDS_INIT_MGR_ERR, /**< When nvds has been initialized and read tag complate, avail size is error. */
89 NVDS_COMPACT_FAILED, /**< NVDS failed to compact sectors. */
90 NVDS_STORAGE_ACCESS_FAILED, /**< NVDS failed to access storage. */
91 NVDS_POINTER_NULL /**< NVDS or driver function repalce error: NULL. */
92 };
93 /** @} */
94
95 /**
96 * @addtogroup NVDS_TYPEDEFS Type Typedefs
97 * @{
98 */
99 /**
100 * @brief NVDS Item tag.
101 */
102 typedef uint16_t NvdsTag_t;
103 /** @} */
104
105 /**
106 * @addtogroup NVDS_STRUCTURES Enumerations
107 * @{
108 */
109 /**
110 * @brief NVDS drive function struct.
111 */
112 typedef struct
113 {
114 uint32_t (*p_nvds_flash_read)(const uint32_t addr, uint8_t *buf, const uint32_t size); /**< NVDS flash read function. */
115 uint32_t (*p_nvds_flash_write_r)(const uint32_t addr, const uint8_t *buf, const uint32_t size); /**< NVDS flash write_r function. */
116 void (*p_nvds_flash_set_security)(bool enable); /**< NVDS flash security set function. */
117 bool (*p_nvds_flash_get_security)(void); /**< NVDS flash security get function. */
118 bool (*p_nvds_flash_erase)(const uint32_t addr, const uint32_t size); /**< NVDS flash erase function. */
119 void (*p_nvds_flash_get_info)(uint32_t *id, uint32_t *size); /**< NVDS flash information get function. */
120 }nvds_drv_func_t;
121
122 /**
123 * @brief NVDS function struct.
124 */
125 typedef struct
126 {
127 uint8_t (*p_nvds_init)(uint32_t start_addr, uint8_t sectors); /**< NVDS init function */
128 uint8_t (*p_nvds_get)(uint16_t tag, uint16_t *p_len, uint8_t *p_buf); /**< NVDS get function */
129 uint8_t (*p_nvds_put)(uint16_t tag, uint16_t len, const uint8_t *p_buf); /**< NVDS put function */
130 uint8_t (*p_nvds_del)(uint16_t tag); /**< NVDS delete function */
131 uint16_t (*p_nvds_tag_length)(uint16_t tag); /**< NVDS tag length get function */
132 }nvds_func_t;
133
134 /** @} */
135
136 /**
137 * @addtogroup NVDS_FUNCTIONS Functions
138 * @{
139 */
140 /**
141 ****************************************************************************************
142 * @brief Initialize the sectors for NVDS.
143 *
144 * @note NVDS module will use one more sector flash for garbage collection.
145 * For example, sectors=1, NVDS area actually use 2 sector(one sector for garbage collection)
146 *
147 * @param[in] start_addr: Start address of NVDS area. If the value does not equal zero, it must be sector-aligned.
148 If the value equals zero, NVDS area will locate in the last two sector(s) in flash memory.
149 * @param[in] sectors: The number of sectors.
150 *
151 * @return Result of nvds init.
152 ****************************************************************************************
153 */
154 uint8_t nvds_init(uint32_t start_addr, uint8_t sectors);
155
156 /**
157 ****************************************************************************************
158 * @brief De-initialize the sectors for NVDS.
159 *
160 * @note nvds_deinit will erase the flash sectors.
161 *
162 * @param[in] start_addr: Start address of NVDS area. If the value does not equal zero, it must be sector-aligned.
163 If the value equals zero, NVDS area will locate in the last two sector(s) in flash memory.
164 * @param[in] sectors: The number of sectors.
165 *
166 * @return Result of nvds deinit.
167 ****************************************************************************************
168 */
169 uint8_t nvds_deinit(uint32_t start_addr, uint8_t sectors);
170
171 /**
172 ****************************************************************************************
173 * @brief Read data from NVDS.
174 *
175 * @param[in] tag: Valid NVDS item tag.
176 * @param[in,out] p_len: Pointer to the length of data.
177 * @param[out] p_buf: Data is read into the buffer.
178 *
179 * @return Result of nvds get.
180 ****************************************************************************************
181 */
182 uint8_t nvds_get(NvdsTag_t tag, uint16_t *p_len, uint8_t *p_buf);
183
184 /**
185 ****************************************************************************************
186 * @brief Write data to NVDS. If the tag does not exist, create one.
187 *
188 * @param[in] tag: Valid NVDS item tag.
189 * @param[in] len: Length of data to be written.
190 * @param[in] p_buf: Data to be written.
191 *
192 * @return Result of nvds put.
193 ****************************************************************************************
194 */
195 uint8_t nvds_put(NvdsTag_t tag, uint16_t len, const uint8_t *p_buf);
196
197 /**
198 ****************************************************************************************
199 * @brief Delete a tag in NVDS
200 *
201 * @param[in] tag: The tag to be deleted.
202 *
203 * @return Result of nvds delete.
204 ****************************************************************************************
205 */
206 uint8_t nvds_del(NvdsTag_t tag);
207
208 /**
209 ****************************************************************************************
210 * @brief Get the length of a tag in NVDS
211 *
212 * @param[in] tag: The tag to get the length.
213 *
214 * @return Length of tag data.
215 ****************************************************************************************
216 */
217 uint16_t nvds_tag_length(NvdsTag_t tag);
218
219 /**
220 ****************************************************************************************
221 * @brief Replace the drive function.
222 *
223 * @param[in] p_nvds_drv_func: Pointer to drive functions.
224 *
225 * @return Result of drive function replace.
226 ****************************************************************************************
227 */
228 uint8_t nvds_drv_func_replace(nvds_drv_func_t *p_nvds_drv_func);
229
230 /**
231 ****************************************************************************************
232 * @brief Replace the function in NVDS.
233 *
234 * @param[in] p_nvds_func: Pointer to nvds functions.
235 *
236 * @return Result nvds function replace.
237 ****************************************************************************************
238 */
239 uint8_t nvds_func_replace(nvds_func_t *p_nvds_func);
240
241 /**
242 ****************************************************************************************
243 * @brief Calculate the space reserved for system.
244 *
245 * @param[in] bond_dev_num: The number of bond device.
246 *
247 * @return System retention size.
248 ****************************************************************************************
249 */
250 void nvds_retention_size(uint8_t bond_dev_num);
251
252 /** @} */
253
254 #endif
255
256 /** @} */
257 /** @} */
nvds_del
uint8_t nvds_del(NvdsTag_t tag)
Delete a tag in NVDS.
NVDS_SPACE_NOT_ENOUGH
@ NVDS_SPACE_NOT_ENOUGH
Definition: gr55xx_nvds.h:79
NVDS_POINTER_NULL
@ NVDS_POINTER_NULL
Definition: gr55xx_nvds.h:91
NVDS_COMPACT_FAILED
@ NVDS_COMPACT_FAILED
Definition: gr55xx_nvds.h:89
NVDS_INIT_AREA_SLOP_OVER
@ NVDS_INIT_AREA_SLOP_OVER
Definition: gr55xx_nvds.h:84
NVDS_INIT_MGR_ERR
@ NVDS_INIT_MGR_ERR
Definition: gr55xx_nvds.h:88
NVDS_INIT_READ_TAG_NOT_COMPLETE
@ NVDS_INIT_READ_TAG_NOT_COMPLETE
Definition: gr55xx_nvds.h:87
nvds_drv_func_t
NVDS drive function struct.
Definition: gr55xx_nvds.h:113
NVDS_NOT_INIT
@ NVDS_NOT_INIT
Definition: gr55xx_nvds.h:77
NVDS_LENGTH_OUT_OF_RANGE
@ NVDS_LENGTH_OUT_OF_RANGE
Definition: gr55xx_nvds.h:80
NVDS_GC_COMPLETE
@ NVDS_GC_COMPLETE
Definition: gr55xx_nvds.h:75
nvds_drv_func_replace
uint8_t nvds_drv_func_replace(nvds_drv_func_t *p_nvds_drv_func)
Replace the drive function.
NVDS_INIT_CHECKSUM_FAIL
@ NVDS_INIT_CHECKSUM_FAIL
Definition: gr55xx_nvds.h:85
NVDS_INIT_TAG_LEN_ERR
@ NVDS_INIT_TAG_LEN_ERR
Definition: gr55xx_nvds.h:86
NVDS_INIT_START_ADDR_NO_ALIGN
@ NVDS_INIT_START_ADDR_NO_ALIGN
Definition: gr55xx_nvds.h:83
NVDS_INVALID_PARA
@ NVDS_INVALID_PARA
Definition: gr55xx_nvds.h:81
NVDS_STORAGE_ACCESS_FAILED
@ NVDS_STORAGE_ACCESS_FAILED
Definition: gr55xx_nvds.h:90
nvds_retention_size
void nvds_retention_size(uint8_t bond_dev_num)
Calculate the space reserved for system.
nvds_deinit
uint8_t nvds_deinit(uint32_t start_addr, uint8_t sectors)
De-initialize the sectors for NVDS.
NVDS_INVALID_SECTORS
@ NVDS_INVALID_SECTORS
Definition: gr55xx_nvds.h:82
NVDS_FAIL
@ NVDS_FAIL
Definition: gr55xx_nvds.h:76
nvds_put
uint8_t nvds_put(NvdsTag_t tag, uint16_t len, const uint8_t *p_buf)
Write data to NVDS. If the tag does not exist, create one.
nvds_tag_length
uint16_t nvds_tag_length(NvdsTag_t tag)
Get the length of a tag in NVDS.
nvds_func_t
NVDS function struct.
Definition: gr55xx_nvds.h:126
NvdsTag_t
uint16_t NvdsTag_t
NVDS Item tag.
Definition: gr55xx_nvds.h:102
nvds_func_replace
uint8_t nvds_func_replace(nvds_func_t *p_nvds_func)
Replace the function in NVDS.
NVDS_STATUS
NVDS_STATUS
NVDS Returned Status.
Definition: gr55xx_nvds.h:73
NVDS_SUCCESS
@ NVDS_SUCCESS
Definition: gr55xx_nvds.h:74
NVDS_TAG_NOT_EXISTED
@ NVDS_TAG_NOT_EXISTED
Definition: gr55xx_nvds.h:78
nvds_init
uint8_t nvds_init(uint32_t start_addr, uint8_t sectors)
Initialize the sectors for NVDS.
nvds_get
uint8_t nvds_get(NvdsTag_t tag, uint16_t *p_len, uint8_t *p_buf)
Read data from NVDS.