IBASE MRS-801-RE - Manual (Page 75)

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67 IBASE Technology Inc.
printf("Warning - readback failed\n");
} else
if (res != value) {
printf("Warning - data mismatch - wrote "
"0x%0*x, read back 0x%0*x\n",
size == I2C_SMBUS_WORD_DATA ? 4 : 2, value,
size == I2C_SMBUS_WORD_DATA ? 4 : 2, res);
} else {
printf("Value 0x%0*x written, readback matched\n",
size == I2C_SMBUS_WORD_DATA ? 4 : 2, value);
}
exit(0);
}
Utils/headers
/*
i2cbusses: Print the installed i2c busses for both 2.4 and 2.6 kernels.
Part of user-space programs to access for I2C
devices.
*/
/* For strdup and snprintf */
#define _BSD_SOURCE 1
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h> /* for NAME_MAX */
#include <sys/ioctl.h>
#include <string.h>
#include <strings.h> /* for strcasecmp() */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include <dirent.h>
#include <fcntl.h>
#include <errno.h>