px4-firmware/apps/px4/tests/test_eeproms.c

329 lines
8.5 KiB
C

/****************************************************************************
* px4/eeproms/test_eeproms.c
*
* Copyright (C) 2012 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <debug.h>
#include <arch/board/board.h>
#include "tests.h"
#include <arch/board/drv_eeprom.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int onboard_eeprom(int argc, char *argv[]);
static int baseboard_eeprom(int argc, char *argv[]);
/****************************************************************************
* Private Data
****************************************************************************/
struct {
const char *name;
const char *path;
int (* test)(int argc, char *argv[]);
} eeproms[] = {
{"onboard_eeprom", "/dev/eeprom", onboard_eeprom},
{"baseboard_eeprom", "/dev/baseboard_eeprom", baseboard_eeprom},
{NULL, NULL, NULL}
};
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
static int
onboard_eeprom(int argc, char *argv[])
{
printf("\tonboard_eeprom: test start\n");
fflush(stdout);
int fd;
uint8_t buf1[210] = {' ', 'P', 'X', '4', ' ', 'E', 'E', 'P', 'R', 'O', 'M', ' ', 'T', 'E', 'S', 'T', ' '};
int ret;
bool force_write = false;
if (strcmp(argv[0], "jig") == 0) force_write = true;
/* fill with spaces */
//memset(buf1+16, 'x', sizeof(buf1-16));
/* fill in some magic values at magic positions */
buf1[63] = 'E';
buf1[64] = 'S';
buf1[127] = 'F';
buf1[128] = 'T';
/* terminate string */
buf1[sizeof(buf1) - 1] = '\0';
fd = open("/dev/eeprom", O_RDWR | O_NONBLOCK);
if (fd < 0) {
printf("onboard eeprom: open fail\n");
return ERROR;
}
/* read data */
ret = read(fd, buf1, 1);
if (ret != 1) {
printf("\tonboard eeprom: ERROR: reading first byte fail: %d\n", ret);
switch (-ret) {
case EPERM:
printf("\treason: %s\n", EPERM_STR);
break;
case ENOENT:
printf("\treason: %s\n", ENOENT_STR);
break;
case ESRCH:
printf("\treason: %s\n", ESRCH_STR);
break;
case EINTR:
printf("\treason: %s\n", EINTR_STR);
break;
}
}
printf("\tonboard eeprom: first byte: %d\n", buf1[0]);
if (!force_write) {
printf("\tonboard eeprom: WARNING: FURTHER TEST STEPS WILL DESTROY YOUR FLIGHT PARAMETER CONFIGURATION. PROCEED? (y/N)\n");
printf("Input: ");
char c = getchar();
printf("%c\n", c);
if (c != 'y' && c != 'Y') {
/* not yes, abort */
close(fd);
/* Let user know everything is ok */
printf("\tOK: onboard eeprom test aborted by user, read test successful\r\n");
return OK;
}
}
printf("\tonboard eeprom: proceeding with write test\r\n");
/* increment counter */
buf1[0] = buf1[0] + 1;
/* rewind to the start of the file */
lseek(fd, 0, SEEK_SET);
/* write data */
ret = write(fd, buf1, sizeof(buf1));
if (ret != sizeof(buf1)) {
printf("\tonboard eeprom: ERROR: write fail: %d\n", (char)ret);
switch (-ret) {
case EPERM:
printf("\treason: %s\n", EPERM_STR);
break;
case ENOENT:
printf("\treason: %s\n", ENOENT_STR);
break;
case ESRCH:
printf("\treason: %s\n", ESRCH_STR);
break;
case EINTR:
printf("\treason: %s\n", EINTR_STR);
break;
}
//return ERROR;
}
/* rewind to the start of the file */
lseek(fd, 0, SEEK_SET);
/* read data */
ret = read(fd, buf1, sizeof(buf1));
if (ret != sizeof(buf1)) {
printf("\tonboard eeprom: ERROR: read fail: %d\n", ret);
switch (-ret) {
case EPERM:
printf("\treason: %s\n", EPERM_STR);
break;
case ENOENT:
printf("\treason: %s\n", ENOENT_STR);
break;
case ESRCH:
printf("\treason: %s\n", ESRCH_STR);
break;
case EINTR:
printf("\treason: %s\n", EINTR_STR);
break;
}
return ERROR;
} else {
/* enforce null termination and print as string */
if (buf1[sizeof(buf1) - 1] != 0) {
printf("\tWARNING: Null termination in file not present as expected, enforcing it now..\r\n");
buf1[sizeof(buf1) - 1] = '\0';
}
/* read out counter and replace val */
int counter = buf1[0];
printf("\tonboard eeprom: count: #%d, read values: %s\n", counter, (char *)buf1 + 1);
printf("\tAll %d bytes:\n\n\t", sizeof(buf1));
for (int i = 0; i < sizeof(buf1); i++) {
printf("0x%02x ", buf1[i]);
if (i % 8 == 7) printf("\n\t");
if (i % 64 == 63) printf("\n\t");
}
/* end any open line */
printf("\n\n");
}
close(fd);
/* Let user know everything is ok */
printf("\tOK: onboard eeprom passed all tests successfully\n");
return ret;
}
static int
baseboard_eeprom(int argc, char *argv[])
{
printf("\tbaseboard eeprom: test start\n");
fflush(stdout);
int fd;
uint8_t buf[128] = {'R', 'E', 'A', 'D', ' ', 'F', 'A', 'I', 'L', 'E', 'D', '\0'};
int ret;
fd = open("/dev/baseboard_eeprom", O_RDONLY | O_NONBLOCK);
if (fd < 0) {
printf("\tbaseboard eeprom: open fail\n");
return ERROR;
}
/* read data */
ret = read(fd, buf, sizeof(buf));
/* set last char to string termination */
buf[127] = '\0';
if (ret != sizeof(buf)) {
printf("\tbaseboard eeprom: ERROR: read fail\n", ret);
return ERROR;
} else {
printf("\tbaseboard eeprom: string: %s\n", (char *)buf);
}
close(fd);
/* XXX more tests here */
/* Let user know everything is ok */
printf("\tOK: baseboard eeprom passed all tests successfully\n");
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: test_eeproms
****************************************************************************/
int test_eeproms(int argc, char *argv[])
{
unsigned i;
printf("Running EEPROMs tests:\n\n");
fflush(stdout);
for (i = 0; eeproms[i].name; i++) {
printf(" eeprom: %s\n", eeproms[i].name);
eeproms[i].test(argc, argv);
fflush(stdout);
/* wait 100 ms to make sure buffer is emptied */
usleep(100000);
}
return 0;
}