env_api.h

MIPS下的boottloader yamon 的源代码

/************************************************************************
 *		env_baudrate_num2s
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_baudrate_num2s( 
    UINT32 param,
    char   **s );


/************************************************************************
 *		env_databits_num2s
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_databits_num2s( 
    UINT32 param,
    char   **s);


/************************************************************************
 *		env_parity_num2s
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_parity_num2s( 
    UINT32 param,
    char   **s );


/************************************************************************
 *		env_stopbits_num2s
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_stopbits_num2s( 
    UINT32 param,
    char   **s );


/************************************************************************
 *		env_flowctrl_num2s
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_flowctrl_num2s( 
    UINT32 param,
    char   **s );


/*  Functions for converting string describing a serial port setting
 *  to corresponding enumerated value.
 */

/************************************************************************
 *		env_baudrate_s2num
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_baudrate_s2num( 
    char *raw,			/* The string				*/
    void *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *		env_databits_s2num
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_databits_s2num( 
    char *raw,			/* The string				*/
    void *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *		env_parity_s2num
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_parity_s2num( 
    char *raw,			/* The string				*/
    void *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *		env_stopbits_s2num
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_stopbits_s2num(
    char *raw,			/* The string				*/
    void *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *		env_flowctrl_s2num
 ************************************************************************/
bool				/* TRUE -> OK, FALSE -> Not OK		*/
env_flowctrl_s2num( 
    char *raw,			/* The string				*/
    void *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *
 *                          env_mac_s2num
 *  Description :
 *  -------------
 *
 *  Decode a string of format xx.xx.xx.xx.xx.xx to 6 bytes
 *
 *  Return values :
 *  ---------------
 *
 *  TRUE -> OK, FALSE -> Failed
 *
 ************************************************************************/
bool 
env_mac_s2num( 
    char *raw,			/* The string				*/
    void *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *
 *                          env_get
 *  Description :
 *  -------------
 *
 *  Lookup environment variable based on name
 *
 *  Return values :
 *  ---------------
 *
 *  TRUE -> found, FALSE -> not found
 *
 ************************************************************************/
bool
env_get(
    char   *name,		/* Name of environment variable		*/
    char   **raw,		/* Raw text string			*/
    void   *decoded,		/* Decoded data				*/
    UINT32 size );		/* Size of decoded data			*/


/************************************************************************
 *
 *                          env_set
 *  Description :
 *  -------------
 *
 *  Set (and possibly create) environment variable
 *
 *  Return values :
 *  ---------------
 *
 *  OK if no error, else error code
 *
 ************************************************************************/
UINT32
env_set(
    char         *name,
    char	 *value,
    UINT8	 attr,
#define ENV_ATTR_USER	0
#define ENV_ATTR_RO	1
#define ENV_ATTR_RW	2
    char         *default_value,
    t_env_decode decode );


/************************************************************************
 *
 *                          env_unset
 *  Description :
 *  -------------
 *
 *  Delete environment variable
 *
 *  Return values :
 *  ---------------
 *
 *  OK if no error, else error code
 *
 ************************************************************************/
UINT32
env_unset(
    char   *name );	/* Name of variable */


/************************************************************************
 *
 *                          env_print_all
 *  Description :
 *  -------------
 *
 *  Display all env. variables
 *
 *  Return values :
 *  ---------------
 *
 *  None
 *
 ************************************************************************/
void
env_print_all( void );


/************************************************************************
 *
 *                          env_remove
 *  Description :
 *  -------------
 *
 *  Remove all user and or system variables
 *
 *  Return values :
 *  ---------------
 *
 *  Error code (OK = No error)
 *
 ************************************************************************/
UINT32
env_remove(
    bool user,		/* TRUE -> remove user variables		*/
    bool system );	/* TRUE -> remove system variables		*/


/************************************************************************
 *
 *                          env_get_all
 *  Description :
 *  -------------
 *
 *  Get a pointer to the array of environment variables
 *
 *  Return values :
 *  ---------------
 *
 *  Pointer to array of env. variables
 *
 ************************************************************************/
t_env_var
*env_get_all( void );


/************************************************************************
 *
 *                          env_check
 *  Description :
 *  -------------
 *
 *  Determine whether env. variables have been corrupted (due to flash
 *  corruption). If this is the case, print warning.
 *
 *  Return values :
 *  ---------------
 *
 *  TRUE -> corrupted, FALSE -> not corrupted (normal state)
 *
 ************************************************************************/
bool
env_check(void);


#endif /* #ifndef ENV_API_H */