virtual_mem.c File Reference

Management of the virtual memory.

Copyright (c) 2009-2018 Microchip Technology Inc. and its subsidiaries.

#include "conf_access.h"
#include "conf_virtual_mem.h"
#include "virtual_mem.h"
#include <string.h>
#include "udi_msc.h"

Functions
Ctrl_status	virtual_mem_2_ram (uint32_t addr, void *ram)
	This function transfers 1 data sector from memory to RAM sector = 512 bytes. More...
Ctrl_status	virtual_ram_2_mem (uint32_t addr, const void *ram)
	This function transfers 1 data sector from memory to RAM sector = 512 bytes. More...
Ctrl_status	virtual_read_capacity (uint32_t *uint32_t_nb_sector)
	This function returns the address of the last valid sector. More...
bool	virtual_removal (void)
	This function informs about the memory type. More...
Ctrl_status	virtual_test_unit_ready (void)
	This function tests memory state, and starts memory initialization. More...
bool	virtual_unload (bool unload)
	This function unloads/loads the memory. More...
Ctrl_status	virtual_usb_read_10 (uint32_t addr, uint16_t nb_sector)
	This function transfers the memory data to the USB MSC interface. More...
static Ctrl_status	virtual_usb_trans (uint32_t addr, uint16_t nb_sector, bool b_read)
	This function transfers the data between memory and USB MSC interface. More...
Ctrl_status	virtual_usb_write_10 (uint32_t addr, uint16_t nb_sector)
	This function transfers the USB MSC data to the memory. More...
bool	virtual_wr_protect (void)
	This function returns the write-protected mode. More...

Variables
static bool	b_vmem_unloaded = false
static COMPILER_WORD_ALIGNED uint8_t	vmem_data [VMEM_NB_SECTOR *VMEM_SECTOR_SIZE]