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rda5981_ota.h
1 /* Copyright (c) 2019 Unisoc Communications Inc.
2  * SPDX-License-Identifier: Apache-2.0
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef _RDA5981_OTA_H_
18 #define _RDA5981_OTA_H_
19 #include <stdint.h>
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 extern const unsigned int RDA_FW_INFO_ADDR;
25 extern const unsigned int RDA_UPGRADE_ADDR;
26 
27 /*
28  * function: start to wirte a partition. this func will erase given flash region
29  * @addr: partition start address, must be 4k alignment
30  * @img_len: length of image getted from OTA server, must be 4k alignment
31  * return: 0:success, else:fail
32  */
33 int rda5981_write_partition_start(unsigned int addr, unsigned int img_len);
34 
35 /*
36  * function: write image to flash, without erase.
37  * the write region must be inside of the area given by func rda5981_write_partition_start
38  * the write region must be in order, otherwise the end function will return crc error.
39  * the maximum length could be write once time is 0x1000
40  * @offset: offset from image inital position, must be 1k alignment
41  * @buf: data to be written
42  * @len: buffer len, max #0x1000, must be 1k alignment
43  * return: 0:success, else:fail
44  */
45 int rda5981_write_partition(unsigned int offset, const unsigned char *buf, unsigned int len);
46 
47 /*
48  * function: end of writing partition
49  * return: 0:crc32 check success, else:fail
50  */
51 int rda5981_write_partition_end(void);
52 
53 #ifdef __cplusplus
54 }
55 #endif
56 
57 #endif /*_RDA5981_OTA_H_*/
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