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/*
* Copyright (C) 2011 ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*
* Author: 2011, Chethan Krishna N <chethan.krishna@stericsson.com>
*/
/******************************************************************************/
/* Description: Test x, y and z axis values from gyroscope driver.
/*
/* Test Assertion and Strategy: Assert if all three axes data is valid.
/*
/******************************************************************************/
/* Harness Specific Include Files. */
#include "test.h"
#include "usctest.h"
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Extern Global Variables */
extern int Tst_count; /* counter for tst_xxx routines. */
extern char *TESTDIR; /* temporary dir created by tst_tmpdir() */
/* Global Variables */
char *TCID = "l3g4200d"; /* test program identifier. */
/* total number of tests in this file. */
int TST_TOTAL = 1;
#define INVALID_DATA_READ -1
#define VALID_DATA 0
char *gyr_filepath = "/sys/devices/platform/nmk-i2c.2/i2c-2/2-0068/gyrodata";
char *gyr_filepath_activate = "/sys/devices/platform/nmk-i2c.2/i2c-2/2-0068/powermode";
char *gyr_filepath_range = "/sys/devices/platform/nmk-i2c.2/i2c-2/2-0068/range";
char *gyr_filepath_rate = "/sys/devices/platform/nmk-i2c.2/i2c-2/2-0068/datarate";
char *gyr_filepath_temp = "/sys/devices/platform/nmk-i2c.2/i2c-2/2-0068/gyrotemp";
int gyr_set_properties()
{
FILE *f;
unsigned long val = -1;
f = fopen(gyr_filepath_rate, "w");
if (f == NULL)
return -1;
if (fputc((int)'0', f) == EOF)
val = EOF;
else
val = 0;
fclose(f);
f = fopen(gyr_filepath_range, "w");
if (f == NULL)
return -1;
if (fputc((int)'0', f) ==EOF)
val = EOF;
else
val = 0;
fclose(f);
return val;
}
int get_val(char *fname)
{
FILE *f;
int data[3], ret;
f = fopen(fname, "r");
if (f == NULL)
return -1;
if (fscanf(f, "%8x:%8x:%8x", &data[0], &data[1], &data[2]) != 3)
ret = INVALID_DATA_READ;
else
ret = VALID_DATA;
fclose(f);
return ret;
}
int gyr_get_properties()
{
FILE *f;
int data;
int ret = 4;
/* read powermode */
f = fopen(gyr_filepath_activate, "r");
if (f == NULL)
return -1;
if (fscanf(f, "%d", &data) != 1)
goto error;
else
ret--;
fclose(f);
/* read range */
f = fopen(gyr_filepath_range, "r");
if (f == NULL)
return -1;
if (fscanf(f, "%d", &data) != 1)
goto error;
else
ret--;
fclose(f);
/* show datarate */
f = fopen(gyr_filepath_rate, "r");
if (f == NULL)
return -1;
if (fscanf(f, "%d", &data) != 1)
goto error;
else
ret--;
fclose(f);
/* show gyrotemp */
f = fopen(gyr_filepath_temp, "r");
if (f == NULL)
return -1;
if (fscanf(f, "%d", &data) != 1)
goto error;
else
ret--;
fclose(f);
error:
fclose(f);
return ret;
}
int set_val()
{
FILE *f;
unsigned long val = -1;
/* Before acrivating device try writting to rate,
* range & read value to cover error cases.
*/
gyr_set_properties();
/*Read output data value */
get_val(gyr_filepath);
f = fopen(gyr_filepath_activate, "w");
if (f == NULL)
return -1;
/* Activate L3G4200D device */
if (fputc((int)'1', f) == EOF)
val = EOF;
else
val = 0;
fclose(f);
return val;
}
int main(int argc, const char **argv)
{
int lc; /* loop counter */
char *msg; /* message returned from parse_opts */
/***************************************************************
* parse standard options
***************************************************************/
if ((msg = parse_opts(argc, argv, (option_t *) NULL, NULL)) != (char *) NULL) {
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
tst_exit();
}
/***************************************************************
* check looping state if -c option given
***************************************************************/
for (lc = 0; TEST_LOOPING(lc); lc++) {
/***************************************************************
* only perform functional verification if flag set (-f not given)
***************************************************************/
if (STD_FUNCTIONAL_TEST) {
for (Tst_count = 0; Tst_count < TST_TOTAL;) {
switch (Tst_count) {
case 0:
TEST(set_val());
if (TEST_RETURN == 0)
tst_resm(TPASS, "Functional test %d OK\n", Tst_count);
else if (TEST_RETURN == EOF)
tst_resm(TFAIL, "Functional test %d failed. Error when activating gyroscope,"
"confirm hardware presence TCID: %s File: %s", Tst_count, TCID, __FILE__);
else
tst_resm(TFAIL, "Functional test %d failed. FilePath: %s not found. TCID: %s File: %s\n"
, Tst_count, gyr_filepath_activate, TCID, __FILE__);
TEST(gyr_set_properties());
if (TEST_RETURN == 0)
tst_resm(TPASS, "Functional test %d OK\n", Tst_count);
else if (TEST_RETURN == EOF)
tst_resm(TFAIL, "Functional test %d failed. Error setting gyroscope properties,"
"TCID: %s File: %s", Tst_count, TCID, __FILE__);
else
tst_resm(TFAIL, "Functional test %d failed. TCID: %s File: %s\n", Tst_count, TCID, __FILE__);
TEST(get_val(gyr_filepath));
if (TEST_RETURN == 0)
tst_resm(TPASS, "Functional test %d OK\n", Tst_count);
else if (TEST_RETURN == INVALID_DATA_READ) {
tst_resm(TFAIL, "Functional test %d failed. XYZ values not read completely"
"TCID: %s File: %s", Tst_count, TCID, __FILE__);
} else {
tst_resm(TFAIL, "Functional test %d failed. Filepath: %s not found. TCID: %s File: %s\n"
, Tst_count, gyr_filepath, TCID, __FILE__);
}
TEST(gyr_get_properties());
if (TEST_RETURN == 0)
tst_resm(TPASS, "Functional test %d OK\n", Tst_count);
else if (TEST_RETURN > 0) {
tst_resm(TFAIL, "Functional test %d failed. gyro property values not read completely"
"TCID: %s File: %s", Tst_count, TCID, __FILE__);
} else {
tst_resm(TFAIL, "Functional test %d failed. TCID: %s File: %s\n", Tst_count, TCID, __FILE__);
}
break;
}
}
}
tst_exit();
return 0;
}
}
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