diff options
Diffstat (limited to 'src/osmo-bts-oc2g/misc/oc2gbts_par.c')
| -rw-r--r-- | src/osmo-bts-oc2g/misc/oc2gbts_par.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/src/osmo-bts-oc2g/misc/oc2gbts_par.c b/src/osmo-bts-oc2g/misc/oc2gbts_par.c new file mode 100644 index 00000000..f3550243 --- /dev/null +++ b/src/osmo-bts-oc2g/misc/oc2gbts_par.c @@ -0,0 +1,249 @@ +/* oc2gbts - access to hardware related parameters */ + +/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com> + * + * Based on sysmoBTS: + * sysmobts_par.c + * (C) 2012 by Harald Welte <laforge@gnumonks.org> + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#include <limits.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <osmocom/core/utils.h> +#include <osmocom/core/talloc.h> + +#include "oc2gbts_par.h" + +const struct value_string oc2gbts_par_names[_NUM_OC2GBTS_PAR+1] = { + { OC2GBTS_PAR_TEMP_SUPPLY_MAX, "temp-supply-max" }, + { OC2GBTS_PAR_TEMP_SOC_MAX, "temp-soc-max" }, + { OC2GBTS_PAR_TEMP_FPGA_MAX, "temp-fpga-max" }, + { OC2GBTS_PAR_TEMP_RMSDET_MAX, "temp-rmsdet-max" }, + { OC2GBTS_PAR_TEMP_OCXO_MAX, "temp-ocxo-max" }, + { OC2GBTS_PAR_TEMP_TX_MAX, "temp-tx-max" }, + { OC2GBTS_PAR_TEMP_PA_MAX, "temp-pa-max" }, + { OC2GBTS_PAR_VOLT_SUPPLY_MAX, "volt-supply-max" }, + { OC2GBTS_PAR_PWR_SUPPLY_MAX, "pwr-supply-max" }, + { OC2GBTS_PAR_PWR_PA_MAX, "pwr-pa-max" }, + { OC2GBTS_PAR_VSWR_MAX, "vswr-max" }, + { OC2GBTS_PAR_GPS_FIX, "gps-fix" }, + { OC2GBTS_PAR_SERNR, "serial-nr" }, + { OC2GBTS_PAR_HOURS, "hours-running" }, + { OC2GBTS_PAR_BOOTS, "boot-count" }, + { OC2GBTS_PAR_KEY, "key" }, + { 0, NULL } +}; + +int oc2gbts_par_is_int(enum oc2gbts_par par) +{ + switch (par) { + case OC2GBTS_PAR_TEMP_SUPPLY_MAX: + case OC2GBTS_PAR_TEMP_SOC_MAX: + case OC2GBTS_PAR_TEMP_FPGA_MAX: + case OC2GBTS_PAR_TEMP_RMSDET_MAX: + case OC2GBTS_PAR_TEMP_OCXO_MAX: + case OC2GBTS_PAR_TEMP_TX_MAX: + case OC2GBTS_PAR_TEMP_PA_MAX: + case OC2GBTS_PAR_VOLT_SUPPLY_MAX: + case OC2GBTS_PAR_VSWR_MAX: + case OC2GBTS_PAR_SERNR: + case OC2GBTS_PAR_HOURS: + case OC2GBTS_PAR_BOOTS: + case OC2GBTS_PAR_PWR_SUPPLY_MAX: + case OC2GBTS_PAR_PWR_PA_MAX: + return 1; + default: + return 0; + } +} + +FILE *oc2gbts_par_get_path(void *ctx, enum oc2gbts_par par, const char* mode) +{ + char *fpath; + FILE *fp; + + if (par >= _NUM_OC2GBTS_PAR) + return NULL; + + fpath = talloc_asprintf(ctx, "%s/%s", USER_ROM_PATH, get_value_string(oc2gbts_par_names, par)); + if (!fpath) + return NULL; + + fp = fopen(fpath, mode); + if (!fp) + fprintf(stderr, "Failed to open %s due to '%s' error\n", fpath, strerror(errno)); + + talloc_free(fpath); + + return fp; +} + +int oc2gbts_par_get_int(enum oc2gbts_par par, int *ret) +{ + char fpath[PATH_MAX]; + FILE *fp; + int rc; + + if (par >= _NUM_OC2GBTS_PAR) + return -ENODEV; + + snprintf(fpath, sizeof(fpath)-1, "%s/%s", USER_ROM_PATH, get_value_string(oc2gbts_par_names, par)); + fpath[sizeof(fpath)-1] = '\0'; + + fp = fopen(fpath, "r"); + if (fp == NULL) { + return -errno; + } + + rc = fscanf(fp, "%d", ret); + if (rc != 1) { + fclose(fp); + return -EIO; + } + fclose(fp); + return 0; +} + +int oc2gbts_par_set_int(enum oc2gbts_par par, int val) +{ + char fpath[PATH_MAX]; + FILE *fp; + int rc; + + if (par >= _NUM_OC2GBTS_PAR) + return -ENODEV; + + snprintf(fpath, sizeof(fpath)-1, "%s/%s", USER_ROM_PATH, get_value_string(oc2gbts_par_names, par)); + fpath[sizeof(fpath)-1] = '\0'; + + fp = fopen(fpath, "w"); + if (fp == NULL) { + return -errno; + } + + rc = fprintf(fp, "%d", val); + if (rc < 0) { + fclose(fp); + return -EIO; + } + fsync(fp); + fclose(fp); + return 0; +} + +int oc2gbts_par_get_buf(enum oc2gbts_par par, uint8_t *buf, + unsigned int size) +{ + char fpath[PATH_MAX]; + FILE *fp; + int rc; + + if (par >= _NUM_OC2GBTS_PAR) + return -ENODEV; + + snprintf(fpath, sizeof(fpath)-1, "%s/%s", USER_ROM_PATH, get_value_string(oc2gbts_par_names, par)); + fpath[sizeof(fpath)-1] = '\0'; + + fp = fopen(fpath, "rb"); + if (fp == NULL) { + return -errno; + } + + rc = fread(buf, 1, size, fp); + + fclose(fp); + + return rc; +} + +int oc2gbts_par_set_buf(enum oc2gbts_par par, const uint8_t *buf, + unsigned int size) +{ + char fpath[PATH_MAX]; + FILE *fp; + int rc; + + if (par >= _NUM_OC2GBTS_PAR) + return -ENODEV; + + snprintf(fpath, sizeof(fpath)-1, "%s/%s", USER_ROM_PATH, get_value_string(oc2gbts_par_names, par)); + fpath[sizeof(fpath)-1] = '\0'; + + fp = fopen(fpath, "wb"); + if (fp == NULL) { + return -errno; + } + + rc = fwrite(buf, 1, size, fp); + + fsync(fp); + fclose(fp); + + return rc; +} + +int oc2gbts_par_get_gps_fix(void *ctx, time_t *ret) +{ + FILE *fp; + int rc; + + fp = oc2gbts_par_get_path(ctx, OC2GBTS_PAR_GPS_FIX, "r"); + if (fp == NULL) { + return -errno; + } + + rc = fscanf(fp, "%ld", ret); + if (rc != 1) { + fclose(fp); + return -EIO; + } + fclose(fp); + + return 0; +} + +int oc2gbts_par_set_gps_fix(void *ctx, time_t val) +{ + FILE *fp; + int rc; + + fp = oc2gbts_par_get_path(ctx, OC2GBTS_PAR_GPS_FIX, "w"); + if (fp == NULL) { + return -errno; + } + + rc = fprintf(fp, "%ld", val); + if (rc < 0) { + fclose(fp); + return -EIO; + } + fsync(fp); + fclose(fp); + + return 0; +} |