/*============================================================================================
    Copyright(c) 2018 Quectel Wierless Solution,Co.,Ltd. All Rights Reserved.
    Quectel Wireless Solution Proprietary and Confidential.
============================================================================*/
#ifndef _QUEC_GNSS_ROM_H_
#define _QUEC_GNSS_ROM_H_
#ifdef __cplusplus
	extern "C" {
#endif

#define	    QUEC_GNSS_BOOT_INFO_NAME     	"gnss_boot"
#define	    QUEC_GNSS_FIRM_INFO_NAME    	"gnss_firm"

#define GNSS_SEEK_SET	0	/* Seek from beginning of file.  */
#define GNSS_SEEK_CUR	1	/* Seek from current position.  */
#define GNSS_SEEK_END	2	/* Seek from end of file.  */

typedef enum
{
    GNSS_BOOT_TYPE =0,
    GNSS_KERNEL_TYPE, 
    GNSS_APFLASH_TYPE
}firm_type;

typedef struct {
   int              (*m_gnss_firm_open)                 (firm_type t);                                          /*打开固件*/
   unsigned int     (*m_get_gnss_firm_size)             (firm_type t);                                          /*获取gnss kernel固件的大小*/
   unsigned int     (*m_read_gnss_firm_buffer)          (firm_type t,char* buf ,unsigned int len);              /*读取gnss kernl固件*/
   unsigned int     (*m_gnss_firm_seek)                 (firm_type t,int offset ,int whence);                   /*设置kernel固件读指针位置*/
   int              (*m_gnss_firm_close)                (firm_type t);
} g_quec_gnss_rom_t;

extern g_quec_gnss_rom_t g_gnss_rom_api;

#define quec_gnss_firm_open(t)                          g_gnss_rom_api.m_gnss_firm_open(t)
#define quec_gnss_get_firm_size(t)                      g_gnss_rom_api.m_get_gnss_firm_size(t)
#define quec_gnss_read_firm_buffer(t,buf,len)           g_gnss_rom_api.m_read_gnss_firm_buffer(t,buf,len)
#define quec_gnss_firm_seek(t,offset,whence)            g_gnss_rom_api.m_gnss_firm_seek(t,offset,whence)
#define quec_gnss_firm_close(t)                         g_gnss_rom_api.m_gnss_firm_close(t)
void quec_gnss_firm_init(void);
int quec_gnss_file_write(const char * file_name,char *buffer,unsigned int filesize);
int quec_gnss_file_exist(const char *file_name);
int quec_gnss_file_read(const char * file_name,char *buffer,unsigned int filesize);


#ifdef __cplusplus
	} /*"C" */
#endif

#endif