102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/** @file
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* @brief Modem receiver header file.
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*
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* A modem receiver driver allowing application to handle all
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* aspects of received protocol data.
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*/
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/*
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* Copyright (c) 2018 Foundries.io
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_RECEIVER_H_
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#define ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_RECEIVER_H_
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#include <zephyr/kernel.h>
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#include <zephyr/sys/ring_buffer.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct mdm_receiver_context {
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const struct device *uart_dev;
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/* rx data */
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struct ring_buf rx_rb;
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struct k_sem rx_sem;
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/* modem data */
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char *data_manufacturer;
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char *data_model;
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char *data_revision;
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#if defined(CONFIG_MODEM_SIM_NUMBERS)
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char *data_imei;
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char *data_imsi;
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#endif
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char *data_iccid;
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int *data_rssi;
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};
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/**
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* @brief Gets receiver context by id.
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*
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* @param id: receiver context id.
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*
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* @retval Receiver context or NULL.
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*/
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struct mdm_receiver_context *mdm_receiver_context_from_id(int id);
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/**
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* @brief Get received data.
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*
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* @param *ctx: receiver context.
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* @param *buf: buffer to copy the received data to.
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* @param size: buffer size.
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* @param *bytes_read: amount of received bytes
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*
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* @retval 0 if ok, < 0 if error.
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*/
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int mdm_receiver_recv(struct mdm_receiver_context *ctx,
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uint8_t *buf, size_t size, size_t *bytes_read);
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/**
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* @brief Sends the data over specified receiver context.
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*
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* @param *ctx: receiver context.
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* @param *buf: buffer with the data to send.
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* @param size: the amount of data to send.
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*
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* @retval 0 if ok, < 0 if error.
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*/
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int mdm_receiver_send(struct mdm_receiver_context *ctx,
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const uint8_t *buf, size_t size);
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/**
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* @brief Registers receiver context.
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*
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* @note Acquires receivers device, and prepares the context to be used.
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*
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* @param *ctx: receiver context to register.
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* @param *uart_dev: communication device for the receiver context.
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* @param *buf: rx buffer to use for received data.
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* @param size: rx buffer size.
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*
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* @retval 0 if ok, < 0 if error.
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*/
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int mdm_receiver_register(struct mdm_receiver_context *ctx,
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const struct device *uart_dev,
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uint8_t *buf, size_t size);
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int mdm_receiver_sleep(struct mdm_receiver_context *ctx);
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int mdm_receiver_wake(struct mdm_receiver_context *ctx);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_RECEIVER_H_ */
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