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Diffstat (limited to 'src/systemcmds/eeprom/eeprom.c')
-rw-r--r-- | src/systemcmds/eeprom/eeprom.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/src/systemcmds/eeprom/eeprom.c b/src/systemcmds/eeprom/eeprom.c deleted file mode 100644 index 2aed80e01..000000000 --- a/src/systemcmds/eeprom/eeprom.c +++ /dev/null @@ -1,265 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> - * - * 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 PX4 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. - * - ****************************************************************************/ - -/** - * @file eeprom.c - * - * EEPROM service and utility app. - */ - -#include <nuttx/config.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdbool.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/mount.h> -#include <sys/ioctl.h> -#include <sys/stat.h> - -#include <nuttx/i2c.h> -#include <nuttx/mtd.h> -#include <nuttx/fs/nxffs.h> -#include <nuttx/fs/ioctl.h> - -#include <board_config.h> - -#include "systemlib/systemlib.h" -#include "systemlib/param/param.h" -#include "systemlib/err.h" - -#ifndef PX4_I2C_BUS_ONBOARD -# error PX4_I2C_BUS_ONBOARD not defined, cannot locate onboard EEPROM -#endif - -__EXPORT int eeprom_main(int argc, char *argv[]); - -static void eeprom_attach(void); -static void eeprom_start(void); -static void eeprom_erase(void); -static void eeprom_ioctl(unsigned operation); -static void eeprom_save(const char *name); -static void eeprom_load(const char *name); -static void eeprom_test(void); - -static bool attached = false; -static bool started = false; -static struct mtd_dev_s *eeprom_mtd; - -int eeprom_main(int argc, char *argv[]) -{ - if (argc >= 2) { - if (!strcmp(argv[1], "start")) - eeprom_start(); - - if (!strcmp(argv[1], "save_param")) - eeprom_save(argv[2]); - - if (!strcmp(argv[1], "load_param")) - eeprom_load(argv[2]); - - if (!strcmp(argv[1], "erase")) - eeprom_erase(); - - if (!strcmp(argv[1], "test")) - eeprom_test(); - - if (0) { /* these actually require a file on the filesystem... */ - - if (!strcmp(argv[1], "reformat")) - eeprom_ioctl(FIOC_REFORMAT); - - if (!strcmp(argv[1], "repack")) - eeprom_ioctl(FIOC_OPTIMIZE); - } - } - - errx(1, "expected a command, try 'start'\n\t'save_param /eeprom/parameters'\n\t'load_param /eeprom/parameters'\n\t'erase'\n"); -} - - -static void -eeprom_attach(void) -{ - /* find the right I2C */ - struct i2c_dev_s *i2c = up_i2cinitialize(PX4_I2C_BUS_ONBOARD); - /* this resets the I2C bus, set correct bus speed again */ - I2C_SETFREQUENCY(i2c, 400000); - - if (i2c == NULL) - errx(1, "failed to locate I2C bus"); - - /* start the MTD driver, attempt 5 times */ - for (int i = 0; i < 5; i++) { - eeprom_mtd = at24c_initialize(i2c); - if (eeprom_mtd) { - /* abort on first valid result */ - if (i > 0) { - warnx("warning: EEPROM needed %d attempts to attach", i+1); - } - break; - } - } - - /* if last attempt is still unsuccessful, abort */ - if (eeprom_mtd == NULL) - errx(1, "failed to initialize EEPROM driver"); - - attached = true; -} - -static void -eeprom_start(void) -{ - int ret; - - if (started) - errx(1, "EEPROM already mounted"); - - if (!attached) - eeprom_attach(); - - /* start NXFFS */ - ret = nxffs_initialize(eeprom_mtd); - - if (ret < 0) - errx(1, "failed to initialize NXFFS - erase EEPROM to reformat"); - - /* mount the EEPROM */ - ret = mount(NULL, "/eeprom", "nxffs", 0, NULL); - - if (ret < 0) - errx(1, "failed to mount /eeprom - erase EEPROM to reformat"); - - started = true; - warnx("mounted EEPROM at /eeprom"); - exit(0); -} - -extern int at24c_nuke(void); - -static void -eeprom_erase(void) -{ - if (!attached) - eeprom_attach(); - - if (at24c_nuke()) - errx(1, "erase failed"); - - errx(0, "erase done, reboot now"); -} - -static void -eeprom_ioctl(unsigned operation) -{ - int fd; - - fd = open("/eeprom/.", 0); - - if (fd < 0) - err(1, "open /eeprom"); - - if (ioctl(fd, operation, 0) < 0) - err(1, "ioctl"); - - exit(0); -} - -static void -eeprom_save(const char *name) -{ - if (!started) - errx(1, "must be started first"); - - if (!name) - err(1, "missing argument for device name, try '/eeprom/parameters'"); - - warnx("WARNING: 'eeprom save_param' deprecated - use 'param save' instead"); - - /* delete the file in case it exists */ - unlink(name); - - /* create the file */ - int fd = open(name, O_WRONLY | O_CREAT | O_EXCL); - - if (fd < 0) - err(1, "opening '%s' failed", name); - - int result = param_export(fd, false); - close(fd); - - if (result < 0) { - unlink(name); - errx(1, "error exporting to '%s'", name); - } - - exit(0); -} - -static void -eeprom_load(const char *name) -{ - if (!started) - errx(1, "must be started first"); - - if (!name) - err(1, "missing argument for device name, try '/eeprom/parameters'"); - - warnx("WARNING: 'eeprom load_param' deprecated - use 'param load' instead"); - - int fd = open(name, O_RDONLY); - - if (fd < 0) - err(1, "open '%s'", name); - - int result = param_load(fd); - close(fd); - - if (result < 0) - errx(1, "error importing from '%s'", name); - - exit(0); -} - -extern void at24c_test(void); - -static void -eeprom_test(void) -{ - at24c_test(); - exit(0); -} |