zephyr/drivers/modem/modem_context.h

130 lines
2.7 KiB
C

/** @file
* @brief Modem context header file.
*
* A modem context driver allowing application to handle all
* aspects of received protocol data.
*/
/*
* Copyright (c) 2019 Foundries.io
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_CONTEXT_H_
#define ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_CONTEXT_H_
#include <zephyr/kernel.h>
#include <zephyr/net/buf.h>
#include <zephyr/net/net_ip.h>
#include <zephyr/sys/ring_buffer.h>
#include <zephyr/drivers/gpio.h>
#ifdef __cplusplus
extern "C" {
#endif
struct modem_iface {
const struct device *dev;
int (*read)(struct modem_iface *iface, uint8_t *buf, size_t size,
size_t *bytes_read);
int (*write)(struct modem_iface *iface, const uint8_t *buf, size_t size);
/* implementation data */
void *iface_data;
};
struct modem_cmd_handler {
void (*process)(struct modem_cmd_handler *cmd_handler,
struct modem_iface *iface);
/* implementation data */
void *cmd_handler_data;
};
struct modem_context {
/* modem data */
char *data_manufacturer;
char *data_model;
char *data_revision;
char *data_imei;
#if defined(CONFIG_MODEM_SIM_NUMBERS)
char *data_imsi;
char *data_iccid;
#endif
#if defined(CONFIG_MODEM_CELL_INFO)
int data_operator;
int data_lac;
int data_cellid;
int data_act;
#endif
int *data_rssi;
bool is_automatic_oper;
/* interface config */
struct modem_iface iface;
/* command handler config */
struct modem_cmd_handler cmd_handler;
/* driver data */
void *driver_data;
};
/**
* @brief IP address to string
*
* @param addr: sockaddr to be converted
* @param buf: Buffer to store IP in string form
* @param buf_size: buffer size
*
* @retval 0 if ok, < 0 if error.
*/
int modem_context_sprint_ip_addr(const struct sockaddr *addr, char *buf, size_t buf_size);
/**
* @brief Get port from IP address
*
* @param addr: sockaddr
* @param port: store port
*
* @retval 0 if ok, < 0 if error.
*/
int modem_context_get_addr_port(const struct sockaddr *addr, uint16_t *port);
/**
* @brief Gets modem context by id.
*
* @param id: modem context id.
*
* @retval modem context or NULL.
*/
struct modem_context *modem_context_from_id(int id);
/**
* @brief Finds modem context which owns the iface device.
*
* @param dev: device used by the modem iface.
*
* @retval Modem context or NULL.
*/
struct modem_context *modem_context_from_iface_dev(const struct device *dev);
/**
* @brief Registers modem context.
*
* @note Prepares modem context to be used.
*
* @param ctx: modem context to register.
*
* @retval 0 if ok, < 0 if error.
*/
int modem_context_register(struct modem_context *ctx);
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_CONTEXT_H_ */