cc2538 Coffee port module

Module for the cc2538 Coffee port. More...

Files
file	cfs-coffee-arch.c
	Module for the cc2538 Coffee port.
file	cfs-coffee-arch.h
	Header file for the cc2538 Coffee port module.

Coffee port constants
#define	COFFEE_SECTOR_SIZE   FLASH_PAGE_SIZE
	Logical sector size.
#define	COFFEE_PAGE_SIZE   (COFFEE_SECTOR_SIZE / 8)
	Logical page size.
#define	COFFEE_START   CC2538_DEV_FLASH_ADDR
	Start offset of the file system.
#define	COFFEE_SIZE   0
	Total size in bytes of the file system.
#define	COFFEE_NAME_LENGTH   40
	Maximal filename length.
#define	COFFEE_MAX_OPEN_FILES   5
	Number of file cache entries.
#define	COFFEE_FD_SET_SIZE   5
	Number of file descriptor entries.
#define	COFFEE_LOG_TABLE_LIMIT   16
	Maximal amount of log table entries read in one batch.
#define	COFFEE_DYN_SIZE   (COFFEE_SECTOR_SIZE - 50)
	Default reserved file size.
#define	COFFEE_LOG_SIZE   (4 * COFFEE_PAGE_SIZE)
	Default micro-log size.
#define	COFFEE_MICRO_LOGS   0
	Whether Coffee will use micro logs.
#define	COFFEE_APPEND_ONLY   1
	Whether files are expected to be appended to only.

Coffee port macros
#define	COFFEE_ERASE(sector)   cfs_coffee_arch_erase(sector)
	Erase.
#define	COFFEE_WRITE(buf, size, offset)   cfs_coffee_arch_write((buf), (size), (offset))
	Write.
#define	COFFEE_READ(buf, size, offset)   cfs_coffee_arch_read((buf), (size), (offset))
	Read.

Coffee port types
typedef int16_t	coffee_page_t
	Page.

Coffee port functions
void	cfs_coffee_arch_erase (uint16_t sector)
	Erases a device sector. More...
void	cfs_coffee_arch_write (const void *buf, unsigned int size, cfs_offset_t offset)
	Writes a buffer to the device. More...
void	cfs_coffee_arch_read (void *buf, unsigned int size, cfs_offset_t offset)
	Reads from the device to a buffer. More...

Detailed Description

Module for the cc2538 Coffee port.

Function Documentation

void cfs_coffee_arch_erase

(

uint16_t

sector

)

Erases a device sector.

Parameters

sector

Sector to erase

Definition at line 76 of file cfs-coffee-arch.c.

References COFFEE_SECTOR_SIZE, COFFEE_START, INTERRUPTS_DISABLE, INTERRUPTS_ENABLE, and watchdog_periodic().

void cfs_coffee_arch_read	(	void *	buf,
		unsigned int	size,
		cfs_offset_t	offset
	)

Reads from the device to a buffer.

Parameters

buf	Pointer to the buffer
size	Byte size of the buffer
offset	Device offset to read from

Definition at line 131 of file cfs-coffee-arch.c.

References COFFEE_START, and watchdog_periodic().

void cfs_coffee_arch_write	(	const void *	buf,
		unsigned int	size,
		cfs_offset_t	offset
	)

Writes a buffer to the device.

Parameters

buf	Pointer to the buffer
size	Byte size of the buffer
offset	Device offset to write to

Definition at line 86 of file cfs-coffee-arch.c.

References COFFEE_PAGE_SIZE, COFFEE_START, INTERRUPTS_DISABLE, INTERRUPTS_ENABLE, and watchdog_periodic().