blob: 93140b695ec59c236fecd8ead860f0d4ef251586 [file] [log] [blame]
/** @file
* @brief Modem interface for UART header file.
*
* Modem interface UART handling for modem context driver.
*/
/*
* Copyright (c) 2019 Foundries.io
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_IFACE_UART_H_
#define ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_IFACE_UART_H_
#include <kernel.h>
#ifdef __cplusplus
extern "C" {
#endif
struct modem_iface_uart_data {
/* HW flow control */
bool hw_flow_control;
/* ring buffer char buffer */
char *rx_rb_buf;
size_t rx_rb_buf_len;
/* ring buffer */
struct ring_buf rx_rb;
/* rx semaphore */
struct k_sem rx_sem;
};
/**
* @brief Init modem interface device for UART
*
* @details This can be called after the init if the UART is changed.
*
* @param *iface: modem interface to initialize.
* @param *dev_name: name of the UART device to use
*
* @retval 0 if ok, < 0 if error.
*/
int modem_iface_uart_init_dev(struct modem_iface *iface,
const struct device *dev);
/**
* @brief Init modem interface for UART
*
* @param *iface: modem interface to initialize.
* @param *data: modem interface data to use
* @param *dev_name: name of the UART device to use
*
* @retval 0 if ok, < 0 if error.
*/
int modem_iface_uart_init(struct modem_iface *iface,
struct modem_iface_uart_data *data,
const struct device *dev);
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_IFACE_UART_H_ */