ctrl_access.c File Reference

#include "compiler.h"
#include "preprocessor.h"
#include "ctrl_access.h"

Macros
LUN Access Protection Macros
#define	Ctrl_access_lock()   true
	Locks accesses to LUNs. More...
#define	Ctrl_access_unlock()
	Unlocks accesses to LUNs. More...

Functions
Control Interface
U8	get_nb_lun (void)
	Returns the number of LUNs. More...
U8	get_cur_lun (void)
	Returns the current LUN. More...
Ctrl_status	mem_test_unit_ready (U8 lun)
	Tests the memory state and initializes the memory if required. More...
Ctrl_status	mem_read_capacity (U8 lun, U32 *u32_nb_sector)
	Returns the address of the last valid sector (512 bytes) in the memory. More...
U8	mem_sector_size (U8 lun)
	Returns the size of the physical sector. More...
bool	mem_unload (U8 lun, bool unload)
	Unload/load the medium. More...
bool	mem_wr_protect (U8 lun)
	Returns the write-protection state of the memory. More...
bool	mem_removal (U8 lun)
	Tells whether the memory is removable. More...
const char *	mem_name (U8 lun)
	Returns a pointer to the LUN name. More...
MEM <-> RAM Interface
Ctrl_status	memory_2_ram (U8 lun, U32 addr, void *ram)
	Copies 1 data sector from the memory to RAM. More...
Ctrl_status	ram_2_memory (U8 lun, U32 addr, const void *ram)
	Copies 1 data sector from RAM to the memory. More...

#define Ctrl_access_lock

(

)

true

Locks accesses to LUNs.

Returns

true if the access was successfully locked, else false.

Referenced by get_nb_lun(), mem_read_capacity(), mem_removal(), mem_sector_size(), mem_test_unit_ready(), mem_unload(), mem_wr_protect(), memory_2_ram(), and ram_2_memory().

#define Ctrl_access_unlock

(

)

Unlocks accesses to LUNs.

Referenced by get_nb_lun(), mem_read_capacity(), mem_removal(), mem_sector_size(), mem_test_unit_ready(), mem_unload(), mem_wr_protect(), memory_2_ram(), and ram_2_memory().