Sun Microsystems CP2500 manual Block Erase Example Program

CODE EXAMPLE 3-4Write Action on User Flash Device (Continued)

}

main() { int ret;

module = argv[0]; ret = uflash_init(); if (!ret)

uflash_write(); uflash_uninit();

}

Block Erase Example Program

CODE EXAMPLE 3-5contains the Block Erase Action on the user flash device.

CODE EXAMPLE 3-5Block Erase Action on User Flash Device

/*

*uflash_blockerase.c

*An example that shows how to erase block(s) of user flash

*/

#include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <uflash_if.h>

char *uflash0 = "/dev/uflash0"; int ufd0;

uflash_if_t ufif0; char *module; static int uflash_init() {

/* open device */

if ((ufd0 = open(uflash0, O_RDWR)) == -1 ) { perror("uflash0: ");

exit(1);

}

/* get uflash sizes */

if (ioctl(ufd0, UIOCIBLK, &ufif0) == -1 ) { perror("ioctl(ufd0, UIOCIBLK): "); exit(1);

}

if (ufd0) {

printf("%s: \n", uflash0);

Chapter 3 User Flash 51