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modem_info.c
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modem_info.c
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/*
* Copyright (c) 2019 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/
#include <nrf_modem_at.h>
#include <modem/at_monitor.h>
#include <modem/at_cmd_parser.h>
#include <ctype.h>
#include <zephyr/device.h>
#include <errno.h>
#include <modem/modem_info.h>
#include <nrf_errno.h>
#include <zephyr/net/socket.h>
#include <zephyr/toolchain.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <zephyr/kernel.h>
#include <zephyr/types.h>
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(modem_info);
#define INVALID_DESCRIPTOR -1
#define AT_CMD_CESQ "AT+CESQ"
#define AT_CMD_CESQ_ON "AT%%CESQ=1"
#define AT_CMD_CESQ_OFF "AT%%CESQ=0"
#define AT_CMD_CURRENT_BAND "AT%%XCBAND"
#define AT_CMD_SUPPORTED_BAND "AT%%XCBAND=?"
#define AT_CMD_CURRENT_MODE "AT+CEMODE?"
#define AT_CMD_CURRENT_OP "AT+COPS?"
#define AT_CMD_NETWORK_STATUS "AT+CEREG?"
#define AT_CMD_PDP_CONTEXT "AT+CGDCONT?"
#define AT_CMD_UICC_STATE "AT%%XSIM?"
#define AT_CMD_VBAT "AT%%XVBAT"
#define AT_CMD_TEMP "AT%%XTEMP?"
#define AT_CMD_FW_VERSION "AT+CGMR"
#define AT_CMD_CRSM "AT+CRSM"
#define AT_CMD_ICCID "AT+CRSM=176,12258,0,0,10"
#define AT_CMD_SYSTEMMODE "AT%%XSYSTEMMODE?"
#define AT_CMD_IMSI "AT+CIMI"
#define AT_CMD_IMEI "AT+CGSN"
#define AT_CMD_DATE_TIME "AT+CCLK?"
#define AT_CMD_XCONNSTAT "AT%XCONNSTAT?"
#define AT_CMD_XCONNSTAT_ON "AT%%XCONNSTAT=1"
#define AT_CMD_XCONNSTAT_OFF "AT%%XCONNSTAT=0"
#define AT_CMD_XMONITOR "AT%%XMONITOR"
#define AT_CMD_SUCCESS_SIZE 5
#define RSRP_DATA_NAME "rsrp"
#define CUR_BAND_DATA_NAME "currentBand"
#define SUP_BAND_DATA_NAME "supportedBands"
#define UE_MODE_DATA_NAME "ueMode"
#define OPERATOR_DATA_NAME "mccmnc"
#define MCC_DATA_NAME "mcc"
#define MNC_DATA_NAME "mnc"
#define AREA_CODE_DATA_NAME "areaCode"
#define CELLID_DATA_NAME "cellID"
#define IP_ADDRESS_DATA_NAME "ipAddress"
#define UICC_DATA_NAME "uiccMode"
#define BATTERY_DATA_NAME "batteryVoltage"
#define TEMPERATURE_DATA_NAME "temperature"
#define MODEM_FW_DATA_NAME "modemFirmware"
#define ICCID_DATA_NAME "iccid"
#define LTE_MODE_DATA_NAME "lteMode"
#define NBIOT_MODE_DATA_NAME "nbiotMode"
#define GPS_MODE_DATA_NAME "gpsMode"
#define IMSI_DATA_NAME "imsi"
#define MODEM_IMEI_DATA_NAME "imei"
#define DATE_TIME_DATA_NAME "dateTime"
#define APN_DATA_NAME "apn"
#define AT_CMD_RSP_DELIM "\r\n"
#define IP_ADDR_SEPARATOR ", "
#define IP_ADDR_SEPARATOR_LEN (sizeof(IP_ADDR_SEPARATOR)-1)
#define RSRP_NOTIFY_PARAM_INDEX 1
#define RSRP_NOTIFY_PARAM_COUNT 5
#define RSRP_PARAM_INDEX 6
#define RSRP_PARAM_COUNT 7
#define BAND_PARAM_INDEX 1 /* Index of desired parameter */
#define BAND_PARAM_COUNT 2 /* Number of parameters */
#define MODE_PARAM_INDEX 1
#define MODE_PARAM_COUNT 2
#define OPERATOR_PARAM_INDEX 3
#define OPERATOR_PARAM_COUNT 5
#define CELLID_PARAM_INDEX 4
#define CELLID_PARAM_COUNT 10
#define AREA_CODE_PARAM_INDEX 3
#define AREA_CODE_PARAM_COUNT 10
#define IP_ADDRESS_PARAM_INDEX 4
#define IP_ADDRESS_PARAM_COUNT 7
#define UICC_PARAM_INDEX 1
#define UICC_PARAM_COUNT 2
#define VBAT_PARAM_INDEX 1
#define VBAT_PARAM_COUNT 2
#define TEMP_PARAM_INDEX 1
#define TEMP_PARAM_COUNT 2
#define MODEM_FW_PARAM_INDEX 0
#define MODEM_FW_PARAM_COUNT 1
#define ICCID_PARAM_INDEX 3
#define ICCID_PARAM_COUNT 4
#define ICCID_LEN 20
#define ICCID_PAD_CHAR 'F'
#define LTE_MODE_PARAM_INDEX 1
#define NBIOT_MODE_PARAM_INDEX 2
#define GPS_MODE_PARAM_INDEX 3
#define SYSTEMMODE_PARAM_COUNT 5
#define IMSI_PARAM_INDEX 0
#define IMSI_PARAM_COUNT 1
#define MODEM_IMEI_PARAM_INDEX 0
#define MODEM_IMEI_PARAM_COUNT 1
#define DATE_TIME_PARAM_INDEX 1
#define DATE_TIME_PARAM_COUNT 2
#define APN_PARAM_INDEX 3
#define APN_PARAM_COUNT 7
#define CELL_RSRP_INVALID 255
/* FW UUID is 36 characters: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
#define FW_UUID_SIZE 37
/* Size of the format string for requesting modem firmware version */
#define SWVER_FMT_STR_SIZE 23
/* SVN is a NULL-terminated string with 2 digits: XX */
#define SVN_SIZE 3
#define HWVER_CMD_STR "HWVERSION"
#define HWVER_FMT_STR "%%%%" HWVER_CMD_STR ": %%%d[^" AT_CMD_RSP_DELIM "]"
#define SHORT_OP_NAME_SIZE_WITHOUT_NULL_TERM 64
BUILD_ASSERT(SHORT_OP_NAME_SIZE_WITHOUT_NULL_TERM == (MODEM_INFO_SHORT_OP_NAME_SIZE - 1),
"Short operator size macros must match");
struct modem_info_data {
const char *cmd;
const char *data_name;
uint8_t param_index;
uint8_t param_count;
enum at_param_type data_type;
};
static const struct modem_info_data rsrp_data = {
.cmd = AT_CMD_CESQ,
.data_name = RSRP_DATA_NAME,
.param_index = RSRP_PARAM_INDEX,
.param_count = RSRP_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data band_data = {
.cmd = AT_CMD_CURRENT_BAND,
.data_name = CUR_BAND_DATA_NAME,
.param_index = BAND_PARAM_INDEX,
.param_count = BAND_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data band_sup_data = {
.cmd = AT_CMD_SUPPORTED_BAND,
.data_name = SUP_BAND_DATA_NAME,
.param_index = BAND_PARAM_INDEX,
.param_count = BAND_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data mode_data = {
.cmd = AT_CMD_CURRENT_MODE,
.data_name = UE_MODE_DATA_NAME,
.param_index = MODE_PARAM_INDEX,
.param_count = MODE_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data operator_data = {
.cmd = AT_CMD_CURRENT_OP,
.data_name = OPERATOR_DATA_NAME,
.param_index = OPERATOR_PARAM_INDEX,
.param_count = OPERATOR_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data mcc_data = {
.cmd = AT_CMD_CURRENT_OP,
.data_name = MCC_DATA_NAME,
.param_index = OPERATOR_PARAM_INDEX,
.param_count = OPERATOR_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data mnc_data = {
.cmd = AT_CMD_CURRENT_OP,
.data_name = MNC_DATA_NAME,
.param_index = OPERATOR_PARAM_INDEX,
.param_count = OPERATOR_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data cellid_data = {
.cmd = AT_CMD_NETWORK_STATUS,
.data_name = CELLID_DATA_NAME,
.param_index = CELLID_PARAM_INDEX,
.param_count = CELLID_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data area_data = {
.cmd = AT_CMD_NETWORK_STATUS,
.data_name = AREA_CODE_DATA_NAME,
.param_index = AREA_CODE_PARAM_INDEX,
.param_count = AREA_CODE_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data ip_data = {
.cmd = AT_CMD_PDP_CONTEXT,
.data_name = IP_ADDRESS_DATA_NAME,
.param_index = IP_ADDRESS_PARAM_INDEX,
.param_count = IP_ADDRESS_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data uicc_data = {
.cmd = AT_CMD_UICC_STATE,
.data_name = UICC_DATA_NAME,
.param_index = UICC_PARAM_INDEX,
.param_count = UICC_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data battery_data = {
.cmd = AT_CMD_VBAT,
.data_name = BATTERY_DATA_NAME,
.param_index = VBAT_PARAM_INDEX,
.param_count = VBAT_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data temp_data = {
.cmd = AT_CMD_TEMP,
.data_name = TEMPERATURE_DATA_NAME,
.param_index = TEMP_PARAM_INDEX,
.param_count = TEMP_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data fw_data = {
.cmd = AT_CMD_FW_VERSION,
.data_name = MODEM_FW_DATA_NAME,
.param_index = MODEM_FW_PARAM_INDEX,
.param_count = MODEM_FW_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data iccid_data = {
.cmd = AT_CMD_ICCID,
.data_name = ICCID_DATA_NAME,
.param_index = ICCID_PARAM_INDEX,
.param_count = ICCID_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data lte_mode_data = {
.cmd = AT_CMD_SYSTEMMODE,
.data_name = LTE_MODE_DATA_NAME,
.param_index = LTE_MODE_PARAM_INDEX,
.param_count = SYSTEMMODE_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data nbiot_mode_data = {
.cmd = AT_CMD_SYSTEMMODE,
.data_name = NBIOT_MODE_DATA_NAME,
.param_index = NBIOT_MODE_PARAM_INDEX,
.param_count = SYSTEMMODE_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data gps_mode_data = {
.cmd = AT_CMD_SYSTEMMODE,
.data_name = GPS_MODE_DATA_NAME,
.param_index = GPS_MODE_PARAM_INDEX,
.param_count = SYSTEMMODE_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
static const struct modem_info_data imsi_data = {
.cmd = AT_CMD_IMSI,
.data_name = IMSI_DATA_NAME,
.param_index = IMSI_PARAM_INDEX,
.param_count = IMSI_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data imei_data = {
.cmd = AT_CMD_IMEI,
.data_name = MODEM_IMEI_DATA_NAME,
.param_index = MODEM_IMEI_PARAM_INDEX,
.param_count = MODEM_IMEI_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data date_time_data = {
.cmd = AT_CMD_DATE_TIME,
.data_name = DATE_TIME_DATA_NAME,
.param_index = DATE_TIME_PARAM_INDEX,
.param_count = DATE_TIME_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data apn_data = {
.cmd = AT_CMD_PDP_CONTEXT,
.data_name = APN_DATA_NAME,
.param_index = APN_PARAM_INDEX,
.param_count = APN_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_STRING,
};
static const struct modem_info_data *const modem_data[] = {
[MODEM_INFO_RSRP] = &rsrp_data,
[MODEM_INFO_CUR_BAND] = &band_data,
[MODEM_INFO_SUP_BAND] = &band_sup_data,
[MODEM_INFO_UE_MODE] = &mode_data,
[MODEM_INFO_OPERATOR] = &operator_data,
[MODEM_INFO_MCC] = &mcc_data,
[MODEM_INFO_MNC] = &mnc_data,
[MODEM_INFO_AREA_CODE] = &area_data,
[MODEM_INFO_CELLID] = &cellid_data,
[MODEM_INFO_IP_ADDRESS] = &ip_data,
[MODEM_INFO_UICC] = &uicc_data,
[MODEM_INFO_BATTERY] = &battery_data,
[MODEM_INFO_TEMP] = &temp_data,
[MODEM_INFO_FW_VERSION] = &fw_data,
[MODEM_INFO_ICCID] = &iccid_data,
[MODEM_INFO_LTE_MODE] = <e_mode_data,
[MODEM_INFO_NBIOT_MODE] = &nbiot_mode_data,
[MODEM_INFO_GPS_MODE] = &gps_mode_data,
[MODEM_INFO_IMSI] = &imsi_data,
[MODEM_INFO_IMEI] = &imei_data,
[MODEM_INFO_DATE_TIME] = &date_time_data,
[MODEM_INFO_APN] = &apn_data,
};
AT_MONITOR(modem_info_cesq_mon, "%CESQ", modem_info_rsrp_subscribe_handler, PAUSED);
static rsrp_cb_t modem_info_rsrp_cb;
static struct at_param_list m_param_list;
static void flip_iccid_string(char *buf)
{
uint8_t current_char;
uint8_t next_char;
for (size_t i = 0; i < strlen(buf); i = i + 2) {
current_char = buf[i];
next_char = buf[i + 1];
buf[i] = next_char;
buf[i + 1] = current_char;
}
}
static int modem_info_parse(const struct modem_info_data *modem_data,
const char *buf)
{
int err;
uint32_t param_index;
err = at_parser_max_params_from_str(buf, NULL, &m_param_list,
modem_data->param_count);
if (err == -EAGAIN) {
LOG_DBG("More items exist to parse for: %s",
modem_data->data_name);
err = 0;
} else if (err != 0) {
return err;
}
param_index = at_params_valid_count_get(&m_param_list);
if (param_index > modem_data->param_count) {
return -EAGAIN;
}
return err;
}
static int map_nrf_modem_at_scanf_error(int err)
{
switch (err) {
case -NRF_EPERM:
return -EPERM;
case -NRF_EFAULT:
return -EFAULT;
case -NRF_EBADMSG:
return -EBADMSG;
case -NRF_ENOMEM:
return -ENOMEM;
default:
return -EIO;
}
}
enum at_param_type modem_info_type_get(enum modem_info info_type)
{
if (info_type >= MODEM_INFO_COUNT) {
return -EINVAL;
}
return modem_data[info_type]->data_type;
}
int modem_info_name_get(enum modem_info info, char *name)
{
int len;
if (name == NULL || info < 0 || info >= MODEM_INFO_COUNT) {
return -EINVAL;
}
len = strlen(modem_data[info]->data_name);
__ASSERT_NO_MSG(len <= MODEM_INFO_MAX_RESPONSE_SIZE);
if (len <= 0) {
return -EINVAL;
}
memcpy(name,
modem_data[info]->data_name,
len);
return len;
}
int modem_info_short_get(enum modem_info info, uint16_t *buf)
{
int err;
char recv_buf[CONFIG_MODEM_INFO_BUFFER_SIZE] = {0};
if (buf == NULL) {
return -EINVAL;
}
if (modem_data[info]->data_type == AT_PARAM_TYPE_STRING) {
return -EINVAL;
}
err = nrf_modem_at_cmd(recv_buf, CONFIG_MODEM_INFO_BUFFER_SIZE, modem_data[info]->cmd);
if (err != 0) {
return -EIO;
}
err = modem_info_parse(modem_data[info], recv_buf);
if (err) {
return err;
}
err = at_params_unsigned_short_get(&m_param_list,
modem_data[info]->param_index,
buf);
if (err) {
return err;
}
return sizeof(uint16_t);
}
static int parse_ip_addresses(char *out_buf, size_t out_buf_size, char *in_buf)
{
int err;
char *p;
char *str_end = in_buf;
int current_ip_idx = 0;
int total_ip_count = 0;
size_t line_len = 0;
/* Tracks length of buf when parsing multiple IP addresses */
size_t out_buf_len = 0;
/* Return value indicating length of the string written to IP buffer */
size_t len = 0;
size_t line_start_idx = 0;
char ip_buf[INET_ADDRSTRLEN + sizeof(" ") + INET6_ADDRSTRLEN];
char *ip_v6_str;
bool first_address;
p = strstr(in_buf, "OK\r\n");
if (!p) {
LOG_WRN("No response status: %s", in_buf);
return -EINVAL;
}
/* Trim the last part of the response,
* we use \r\n to count the number of IP addresses
*/
*p = '\0';
/* Check for potentially multiple IP addresses */
while ((str_end = strstr(str_end, AT_CMD_RSP_DELIM)) != NULL) {
str_end++;
total_ip_count++;
}
if (total_ip_count == 0) {
LOG_DBG("No IP addresses found");
return 0;
}
current_ip_idx = total_ip_count;
first_address = true;
LOG_DBG("Device has %d IP addresses", total_ip_count);
parse_line:
/* Parse each +CGDCONT: line separately */
str_end = strstr(&in_buf[line_start_idx], AT_CMD_RSP_DELIM);
if (str_end == NULL) {
return -EFAULT;
}
/* Get the size and then null-terminate the line */
line_len = str_end - &in_buf[line_start_idx];
in_buf[++line_len + line_start_idx] = '\0';
err = modem_info_parse(modem_data[MODEM_INFO_IP_ADDRESS], &in_buf[line_start_idx]);
if (err) {
LOG_ERR("Unable to parse data: %d", err);
return err;
}
len = sizeof(ip_buf);
err = at_params_string_get(&m_param_list,
modem_data[MODEM_INFO_IP_ADDRESS]->param_index,
ip_buf,
&len);
if (err != 0) {
return err;
} else if (len >= sizeof(ip_buf)) {
return -EMSGSIZE;
}
if (len == 0) {
/* No IP address found */
line_start_idx += line_len + 1;
if (--current_ip_idx) {
goto parse_line;
} else {
return strlen(out_buf);
}
}
ip_buf[len] = '\0';
/* For now get only IPv4 address if both v4 and v6 are given,
* discard IPv6 which are separated by a space.
*/
ip_v6_str = strstr(ip_buf, " ");
if (ip_v6_str) {
/* Discard IPv6 info and adjust length */
*ip_v6_str = '\0';
len = strlen(ip_buf);
LOG_DBG("IPv6 address (%s) discarded", ip_v6_str + 1);
}
LOG_DBG("IP address found: %s", ip_buf);
out_buf_len = strlen(out_buf);
/* Write IP address to output buffer */
err = snprintk(out_buf + out_buf_len,
out_buf_size - out_buf_len,
"%s%s",
first_address ? "" : IP_ADDR_SEPARATOR,
ip_buf);
if ((err <= 0) || (err > (out_buf_size - out_buf_len))) {
return -EMSGSIZE;
}
first_address = false;
if (--current_ip_idx) {
line_start_idx += line_len + 1;
goto parse_line;
}
return strlen(out_buf);
}
int modem_info_string_get(enum modem_info info, char *buf, const size_t buf_size)
{
int err;
char recv_buf[CONFIG_MODEM_INFO_BUFFER_SIZE] = {0};
uint16_t param_value;
char *str_end = recv_buf;
/* tracks length of buf when parsing multiple IP addresses */
size_t out_buf_len = 0;
/* return value indicating length of the string written to buf */
size_t len = 0;
/* The accumulated length written to buf when a command has more than
* one elements, such as multiple IP addresses.
*/
size_t accumulated_len = 0;
if ((buf == NULL) || (buf_size == 0)) {
return -EINVAL;
}
buf[0] = '\0';
err = nrf_modem_at_cmd(recv_buf, CONFIG_MODEM_INFO_BUFFER_SIZE, modem_data[info]->cmd);
if (err != 0) {
return -EIO;
}
/* modem_info does not yet support array objects, so here we handle
* the supported bands independently as a string
*/
if (info == MODEM_INFO_SUP_BAND) {
/* The list of supported bands is contained in parenthesis */
char *str_begin = strchr(recv_buf, '(');
str_end = strchr(recv_buf, ')');
if (!str_begin || !str_end) {
return -EFAULT;
}
/* terminate after the closing parenthesis */
*(str_end + 1) = 0;
len = strlen(str_begin);
if (len >= buf_size) {
return -EMSGSIZE;
}
strcpy(buf, str_begin);
return len;
}
err = modem_info_parse(modem_data[info], recv_buf);
if (err) {
LOG_ERR("Unable to parse data: %d", err);
return err;
}
if (info == MODEM_INFO_IP_ADDRESS) {
return parse_ip_addresses(buf, buf_size, recv_buf);
}
if (modem_data[info]->data_type == AT_PARAM_TYPE_NUM_INT) {
err = at_params_unsigned_short_get(&m_param_list,
modem_data[info]->param_index,
¶m_value);
if (err) {
LOG_ERR("Unable to obtain short: %d", err);
return err;
}
len = snprintf(buf, buf_size, "%d", param_value);
if ((len <= 0) || (len > buf_size)) {
return -EMSGSIZE;
}
} else if (modem_data[info]->data_type == AT_PARAM_TYPE_STRING) {
len = buf_size - out_buf_len;
err = at_params_string_get(&m_param_list,
modem_data[info]->param_index,
&buf[out_buf_len],
&len);
if (err != 0) {
return err;
} else if (len >= buf_size) {
return -EMSGSIZE;
}
accumulated_len += len;
buf[accumulated_len] = '\0';
}
if (info == MODEM_INFO_ICCID) {
flip_iccid_string(buf);
/* Remove padding char from 19 digit (18+1) ICCIDs */
if ((len == ICCID_LEN) &&
(buf[len - 1] == ICCID_PAD_CHAR)) {
buf[len - 1] = '\0';
--len;
}
}
return len <= 0 ? -ENOTSUP : len;
}
static void modem_info_rsrp_subscribe_handler(const char *notif)
{
int err;
uint16_t param_value;
const struct modem_info_data rsrp_notify_data = {
.cmd = AT_CMD_CESQ,
.data_name = RSRP_DATA_NAME,
.param_index = RSRP_NOTIFY_PARAM_INDEX,
.param_count = RSRP_NOTIFY_PARAM_COUNT,
.data_type = AT_PARAM_TYPE_NUM_INT,
};
err = modem_info_parse(&rsrp_notify_data, notif);
if (err != 0) {
LOG_ERR("modem_info_parse failed to parse "
"CESQ notification, %d", err);
return;
}
err = at_params_unsigned_short_get(&m_param_list,
rsrp_notify_data.param_index,
¶m_value);
if (err != 0) {
LOG_ERR("Failed to obtain RSRP value, %d", err);
return;
}
modem_info_rsrp_cb(param_value);
}
int modem_info_rsrp_register(rsrp_cb_t cb)
{
modem_info_rsrp_cb = cb;
at_monitor_resume(&modem_info_cesq_mon);
if (nrf_modem_at_printf(AT_CMD_CESQ_ON) != 0) {
return -EIO;
}
return 0;
}
int modem_info_connectivity_stats_init(void)
{
int err = nrf_modem_at_printf(AT_CMD_XCONNSTAT_ON);
if (err != 0) {
if (err > 0) {
err = nrf_modem_at_err_type(err);
}
}
return err;
}
int modem_info_connectivity_stats_disable(void)
{
int err = nrf_modem_at_printf(AT_CMD_XCONNSTAT_OFF);
if (err != 0) {
if (err > 0) {
err = nrf_modem_at_err_type(err);
}
}
return err;
}
int modem_info_get_fw_uuid(char *buf, size_t buf_size)
{
int ret;
if (buf == NULL || buf_size < FW_UUID_SIZE) {
return -EINVAL;
}
ret = nrf_modem_at_scanf("AT%XMODEMUUID",
"%%XMODEMUUID: %" STRINGIFY(FW_UUID_SIZE) "[^\r\n]",
buf);
if (ret != 1) {
LOG_ERR("Could not get FW ID, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_fw_version(char *buf, size_t buf_size)
{
int ret;
char format[SWVER_FMT_STR_SIZE];
if (buf == NULL || buf_size < MODEM_INFO_FWVER_SIZE) {
return -EINVAL;
}
sprintf(format, "%%%%SHORTSWVER: %%%d[^\r\n]", buf_size);
ret = nrf_modem_at_scanf("AT%SHORTSWVER",
format,
buf);
if (ret != 1) {
LOG_ERR("Could not get FW version, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_hw_version(char *buf, uint8_t buf_size)
{
int ret;
char format[sizeof(HWVER_FMT_STR)];
if ((buf == NULL) || (buf_size == 0)) {
return -EINVAL;
}
sprintf(format, HWVER_FMT_STR, buf_size);
ret = nrf_modem_at_scanf("AT%" HWVER_CMD_STR, format, buf);
if (ret != 1) {
LOG_ERR("Could not get HW version, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_svn(char *buf, size_t buf_size)
{
int ret;
if (buf == NULL || buf_size < SVN_SIZE) {
return -EINVAL;
}
ret = nrf_modem_at_scanf("AT+CGSN=3",
"+CGSN: \"%" STRINGIFY(SVN_SIZE) "[^\"]",
buf);
if (ret != 1) {
LOG_ERR("Could not get SVN, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_batt_voltage(int *val)
{
int ret;
if (val == NULL) {
return -EINVAL;
}
ret = nrf_modem_at_scanf("AT%XVBAT", "%%XVBAT: %d", val);
if (ret != 1) {
LOG_ERR("Could not get battery voltage, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_temperature(int *val)
{
int ret;
if (val == NULL) {
return -EINVAL;
}
ret = nrf_modem_at_scanf("AT%XTEMP?", "%%XTEMP: %d", val);
if (ret != 1) {
LOG_ERR("Could not get temperature, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_rsrp(int *val)
{
int ret;
if (val == NULL) {
return -EINVAL;
}
ret = nrf_modem_at_scanf("AT+CESQ",
"+CESQ: %*d,%*d,%*d,%*d,%*d,%d", val);
if (ret != 1) {
LOG_ERR("at_scanf_int failed");
return map_nrf_modem_at_scanf_error(ret);
}
if (*val == CELL_RSRP_INVALID) {
LOG_WRN("No valid RSRP");
return -ENOENT;
}
*val = *val - RSRP_OFFSET_VAL;
return 0;
}
int modem_info_get_connectivity_stats(int *tx_kbytes, int *rx_kbytes)
{
if (tx_kbytes == NULL || rx_kbytes == NULL) {
return -EINVAL;
}
int ret = nrf_modem_at_scanf(AT_CMD_XCONNSTAT, "%%XCONNSTAT: %*d,%*d,%d,%d,%*d,%*d",
tx_kbytes, rx_kbytes);
if (ret != 2) {
LOG_ERR("Could not get connectivity stats, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
return 0;
}
int modem_info_get_current_band(uint8_t *val)
{
if (val == NULL) {
return -EINVAL;
}
int ret = nrf_modem_at_scanf("AT%XCBAND", "%%XCBAND: %u", val);
if (ret != 1) {
LOG_ERR("Could not get band, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}
if (*val == BAND_UNAVAILABLE) {
LOG_WRN("No valid band");
return -ENOENT;
}
return 0;
}
int modem_info_get_operator(char *buf, size_t buf_size)
{
if (buf == NULL || buf_size < MODEM_INFO_SHORT_OP_NAME_SIZE) {
return -EINVAL;
}
int ret = nrf_modem_at_scanf(
"AT%XMONITOR",
"%%XMONITOR: "
"%*u," /* <reg_status> ignored */
"%*[^,]," /* <full_name> ignored */
"\"%" STRINGIFY(SHORT_OP_NAME_SIZE_WITHOUT_NULL_TERM) "[^\"]\",", /* <short_name> */
buf);
if (ret != 1) {
/* Debug instead of error because it is not always reported */
LOG_DBG("No valid operator name found");
return map_nrf_modem_at_scanf_error(ret);
}
/* Null terminate */
buf[buf_size - 1] = '\0';
return 0;
}
int modem_info_get_snr(int *val)
{
if (val == NULL) {
return -EINVAL;
}
int ret = nrf_modem_at_scanf("AT%XSNRSQ?", "%%XSNRSQ: %d,%*d,%*d", val);
if (ret != 1) {
LOG_ERR("Could not get SNR, error: %d", ret);
return map_nrf_modem_at_scanf_error(ret);
}