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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 if proximity value from proximity driver is reasonable
/*
/* Test Assertion and Strategy: Assert if value is within range.
/******************************************************************************/
/* 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 <sys/utsname.h>
#include <sys/time.h>
#include <linux/input.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 = "prox_sfh7741"; /* test program identifier. */
/* total number of tests in this file. */
int TST_TOTAL = 1;
#define FISHY_PROXIMITY_VALUE -10
#define PROXIMITY_NEAR_VALUE 0
#define PROXIMITY_FAR_VALUE 100000
char *filepath_input = "/dev/input/event0";
char *filepath = "/sys/devices/platform/sensors1p.0/proximity";
char *filepath_activate = "/sys/devices/platform/sensors1p.0/proximity_activate";
int set_val()
{
FILE *f;
unsigned long val = -1;
f = fopen(filepath_activate, "w");
if (f == NULL)
return -1;
/* Activate Proximity driver */
if (fputc((int)'1', f) == EOF)
val = EOF;
else
val = 0;
fclose(f);
return val;
}
int get_val(char *fname)
{
FILE *f;
unsigned long val = -1;
f = fopen(fname, "r");
if (f == NULL)
return -1;
if (fscanf(f, "%ld", &val) > 0) {
/* Reasonable values */
if (val >= PROXIMITY_NEAR_VALUE && val <= PROXIMITY_FAR_VALUE)
val = 0;
else
val = FISHY_PROXIMITY_VALUE;
}
fclose(f);
return val;
}
int get_interrupt_val()
{
int fd = -1,retval = -1;
fd_set read_set;
struct input_event ev;
struct timeval tv;
int val = -1;
int size = sizeof(struct input_event);
/*Initialise the structures*/
memset(&ev, 0x00, sizeof(ev));
memset(&tv, 0x00, sizeof(tv));
/* open input device */
if ((fd = open(filepath_input, O_RDONLY)) == -1)
return -1;
/*Intialise the read descriptor*/
FD_ZERO(&read_set);
FD_SET(fd,&read_set);
/* Wait up to five seconds. */
tv.tv_sec = 1;
tv.tv_usec = 0;
retval = select(fd+1, &read_set, NULL, NULL, &tv);
if (retval > 0 ) {
/* FD_ISSET(0, &rfds) will be true. */
if (FD_ISSET(fd, &read_set)) {
read(fd, &ev, size );
if(11 == ev.code) {
if (ev.value >= PROXIMITY_NEAR_VALUE && ev.value <= PROXIMITY_FAR_VALUE)
val = 0;
else
val = FISHY_PROXIMITY_VALUE;
}
}
}
else if(retval == -1) {
return -1;
}
else {
val = 0;
}
if(fd > 0)
close(fd);
return val;
}
int main(int argc, const char **argv)
{
int lc; /* loop counter */
char *msg; /* message returned from parse_opts */
struct utsname buf;
/***************************************************************
* 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:
uname(&buf);
if(strncmp(buf.release,"3.0",3) == 0) {
TEST(get_interrupt_val());
if (TEST_RETURN == 0)
tst_resm(TPASS, "Functional test %d OK\n", Tst_count);
else if (TEST_RETURN == FISHY_PROXIMITY_VALUE) {
tst_resm(TFAIL, "Functional test %d failed. proximity value not valid"
"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, filepath, TCID, __FILE__);
}
}
else {
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 proximity. 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, filepath_activate, TCID, __FILE__);
TEST(get_val(filepath));
if (TEST_RETURN == 0)
tst_resm(TPASS, "Functional test %d OK\n", Tst_count);
else if (TEST_RETURN == FISHY_PROXIMITY_VALUE) {
tst_resm(TFAIL, "Functional test %d failed. proximity value not valid"
"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, filepath, TCID, __FILE__);
}
}
break;
}
}
}
tst_exit();
return 0;
}
}
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