79 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			79 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /****************************************************************************
 | ||
|  | 
 | ||
|  | Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED. | ||
|  | 
 | ||
|  | This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT | ||
|  | be copied by any method or incorporated into another program without | ||
|  | the express written consent of Aerospace C.Power. This Information or any portion | ||
|  | thereof remains the property of Aerospace C.Power. The Information contained herein | ||
|  | is believed to be accurate and Aerospace C.Power assumes no responsibility or | ||
|  | liability for its use in any way and conveys no license or title under | ||
|  | any patent or copyright and makes no representation or warranty that this | ||
|  | Information is free from patent or copyright infringement. | ||
|  | 
 | ||
|  | ****************************************************************************/ | ||
|  | #include "os_types_api.h"
 | ||
|  | #include "os_utils_api.h"
 | ||
|  | #include "iot_io_api.h"
 | ||
|  | #include "iot_flash_api.h"
 | ||
|  | #include "iot_app_cus_flash.h"
 | ||
|  | 
 | ||
|  | uint16_t cus_app_flash_read(uint32_t offset, uint8_t * buffer, uint32_t size) | ||
|  | { | ||
|  |     int32_t fd; | ||
|  |     uint8_t ret = 0; | ||
|  | 
 | ||
|  |     if (-1 == (fd = custom_dev_open())) { | ||
|  |         ret = 1; | ||
|  |         goto out; | ||
|  |     } | ||
|  | 
 | ||
|  |     if (-1 == custom_dev_seek(fd, offset, DEV_SEEK_SET)) { | ||
|  |         ret = 2; | ||
|  |         goto err; | ||
|  |     } | ||
|  | 
 | ||
|  |     if (-1 == custom_dev_read(fd, (void *)buffer, size)) { | ||
|  |         ret = 3; | ||
|  |         goto err; | ||
|  |     } | ||
|  | 
 | ||
|  | err: | ||
|  |     custom_dev_close(fd); | ||
|  | out: | ||
|  |     if (ret) { | ||
|  |         iot_cus_printf("[ERR]read flash %lu Failed\n", ret); | ||
|  |     } | ||
|  |     return ret; | ||
|  | } | ||
|  | 
 | ||
|  | uint16_t cus_app_flash_write(uint32_t offset, uint8_t * buffer, uint32_t size) | ||
|  | { | ||
|  |     int32_t fd; | ||
|  |     uint8_t ret = 0; | ||
|  | 
 | ||
|  |     if (-1 == (fd = custom_dev_open())) { | ||
|  |         ret = 1; | ||
|  |         goto out; | ||
|  |     } | ||
|  | 
 | ||
|  |     if (-1 == custom_dev_seek(fd, offset, DEV_SEEK_SET)) { | ||
|  |         ret = 2; | ||
|  |         goto err; | ||
|  |     } | ||
|  | 
 | ||
|  |     if (-1 == custom_dev_write(fd, (void *)buffer, size)) { | ||
|  |         ret = 3; | ||
|  |         goto err; | ||
|  |     } | ||
|  | 
 | ||
|  | err: | ||
|  |     custom_dev_close(fd); | ||
|  | out: | ||
|  |     if (ret) { | ||
|  |          iot_cus_printf("[ERR]write flash %lu Failed\n", ret); | ||
|  |     } | ||
|  |     return ret; | ||
|  | } | ||
|  | 
 |