fatfs_access_example.c File Reference

FatFS example.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "memories_initialization.h"

Macros
#define	BOARD_NAME   "Undefined"
#define	DATA_SIZE   2048
	Size of the file to write/read. More...
#define	MENU_HEADER
#define	STRING_EOL   "\r"
	Example header. More...
#define	STRING_HEADER
#define	TEST_SIZE   (4 * 1024)
	Test settings: Number of bytes to test. More...

Functions
int	main (void)
	Application entry point for FatFS example. More...
static uint8_t	run_fatfs_test (uint32_t disk_dev_num)
	Do file system tests. More...
static FRESULT	scan_files (char *path)
	Scan files under a certain path. More...

Variables
static uint8_t	data_buffer [DATA_SIZE]

#define BOARD_NAME   "Undefined"

#define DATA_SIZE   2048

Size of the file to write/read.

Referenced by run_fatfs_test().

#define MENU_HEADER

Value:

"\n\r" \
    "---------------------------------------------------------\n\r"

#define STRING_EOL   "\r"

Example header.

#define STRING_HEADER

Value:

"-- FatFS Example --\r\n" \
    "-- "BOARD_NAME " --\r\n" \
    "-- Compiled: "__DATE__ " "__TIME__ " --"STRING_EOL

Referenced by main().

#define TEST_SIZE   (4 * 1024)

Test settings: Number of bytes to test.

Referenced by run_fatfs_test().

int main

(

void

)

Application entry point for FatFS example.

References usart_config::baudrate, board_init(), cdc_uart_module, CONF_STDIO_BAUDRATE, CONF_STDIO_MUX_SETTING, CONF_STDIO_PINMUX_PAD0, CONF_STDIO_PINMUX_PAD1, CONF_STDIO_PINMUX_PAD2, CONF_STDIO_PINMUX_PAD3, get_nb_lun(), memories_initialization(), usart_config::mux_setting, usart_config::pinmux_pad0, usart_config::pinmux_pad1, usart_config::pinmux_pad2, usart_config::pinmux_pad3, run_fatfs_test(), STRING_HEADER, system_init(), usart_enable(), usart_get_config_defaults(), and usart_serial_options.

static uint8_t run_fatfs_test ( uint32_t  disk_dev_num )

static

Do file system tests.

Parameters

disk_dev_num

disk number

Returns

Test result, 1: success.

References data_buffer, DATA_SIZE, f_close(), f_mkfs(), f_mount(), f_open(), f_opendir(), f_read(), f_write(), FA_CREATE_ALWAYS, FA_OPEN_EXISTING, FA_READ, FA_WRITE, file_object, FR_NO_FILESYSTEM, FR_OK, fs, FIL::fsize, i, scan_files(), and TEST_SIZE.

Referenced by main().

static FRESULT scan_files ( char *  path )

static

Scan files under a certain path.

Parameters

path	Folder path.

Returns

Scan result, 1: success.

References _MAX_LFN, AM_DIR, f_opendir(), f_readdir(), FILINFO::fattrib, FILINFO::fname, FR_OK, and i.

Referenced by run_fatfs_test().

uint8_t data_buffer[DATA_SIZE]

static

Referenced by run_fatfs_test().