settings_arch.c File Reference

#include "subsystems/settings.h"
#include <libopencm3/stm32/flash.h>
#include <libopencm3/stm32/crc.h>
#include <libopencm3/stm32/dbgmcu.h>

Include dependency graph for settings_arch.c:

Go to the source code of this file.

Data Structures
struct	FlashInfo

Macros
#define	FLASH_BEGIN   0x08000000
#define	FSIZ   8
#define	FCHK   4

Functions
static uint32_t	pflash_checksum (uint32_t ptr, uint32_t size)
static int32_t	flash_detect (struct FlashInfo *flash)
static int32_t	pflash_program_bytes (struct FlashInfo *flash, uint32_t src, uint32_t size, uint32_t chksum)
static int32_t	pflash_erase (struct FlashInfo *flash)
int32_t	persistent_write (void *ptr, uint32_t size)
int32_t	persistent_read (void *ptr, uint32_t size)
int32_t	persistent_clear (void)

---

Data Structure Documentation

struct FlashInfo

Definition at line 65 of file settings_arch.c.

Data Fields
uint32_t	addr
uint32_t	page_nr
uint32_t	page_size
uint32_t	total_size

Macro Definition Documentation

#define FCHK   4

Definition at line 64 of file settings_arch.c.

Referenced by persistent_read(), and pflash_program_bytes().

#define FLASH_BEGIN   0x08000000

Definition at line 62 of file settings_arch.c.

Referenced by flash_detect().

#define FSIZ   8

Definition at line 63 of file settings_arch.c.

Referenced by persistent_read(), persistent_write(), and pflash_program_bytes().

Function Documentation

static int32_t flash_detect ( struct FlashInfo *  flash )

static

Definition at line 110 of file settings_arch.c.

References FlashInfo::addr, FLASH_BEGIN, FlashInfo::page_nr, FlashInfo::page_size, and FlashInfo::total_size.

Referenced by persistent_clear(), persistent_read(), and persistent_write().

Here is the caller graph for this function:

int32_t persistent_clear

(

void

)

Definition at line 314 of file settings_arch.c.

References flash_detect(), PERSISTENT_SETTINGS_FILE, and pflash_erase().

Here is the call graph for this function:

int32_t persistent_read	(	void *	ptr,
		uint32_t	size
	)

Definition at line 290 of file settings_arch.c.

References FlashInfo::addr, FCHK, flash_detect(), FSIZ, FlashInfo::page_size, and pflash_checksum().

Here is the call graph for this function:

int32_t persistent_write	(	void *	ptr,
		uint32_t	size
	)

Definition at line 278 of file settings_arch.c.

References flash_detect(), FSIZ, FlashInfo::page_size, pflash_checksum(), and pflash_program_bytes().

Here is the call graph for this function:

static uint32_t pflash_checksum ( uint32_t  ptr, uint32_t  size  )

static

Definition at line 67 of file settings_arch.c.

Referenced by persistent_read(), and persistent_write().

Here is the caller graph for this function:

static int32_t pflash_erase ( struct FlashInfo *  flash )

static

Definition at line 213 of file settings_arch.c.

References FlashInfo::addr, FlashInfo::page_nr, and FlashInfo::page_size.

Referenced by persistent_clear(), and pflash_program_bytes().

Here is the caller graph for this function:

static int32_t pflash_program_bytes ( struct FlashInfo *  flash, uint32_t  src, uint32_t  size, uint32_t  chksum  )

static

Definition at line 236 of file settings_arch.c.

References FlashInfo::addr, FCHK, FSIZ, FlashInfo::page_size, and pflash_erase().

Referenced by persistent_write().

Here is the call graph for this function:

Here is the caller graph for this function: