blob: 3cf11593c0a50ef7c35ee181187a0f5c16d5c6f9 [file] [log] [blame]
/** @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 <kernel.h>
#include <net/buf.h>
#include <net/net_ip.h>
#include <sys/ring_buffer.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MODEM_PIN(name_, pin_, flags_) { \
.dev_name = name_, \
.pin = pin_, \
.init_flags = flags_ \
}
struct modem_iface {
struct device *dev;
int (*read)(struct modem_iface *iface, u8_t *buf, size_t size,
size_t *bytes_read);
int (*write)(struct modem_iface *iface, const u8_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_pin {
struct device *gpio_port_dev;
char *dev_name;
u32_t pin;
int init_flags;
};
struct modem_context {
/* modem data */
char *data_manufacturer;
char *data_model;
char *data_revision;
char *data_imei;
int data_rssi;
/* pin config */
struct modem_pin *pins;
size_t pins_len;
/* 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
*
* @retval Buffer with IP in string form
*/
char *modem_context_sprint_ip_addr(const struct sockaddr *addr);
/**
* @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, u16_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(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);
/* pin config functions */
int modem_pin_read(struct modem_context *ctx, u32_t pin);
int modem_pin_write(struct modem_context *ctx, u32_t pin, u32_t value);
int modem_pin_config(struct modem_context *ctx, u32_t pin, int flags);
int modem_pin_init(struct modem_context *ctx);
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_CONTEXT_H_ */