blob: 7a79c74ce051d468999d0907216c4495a5011c86 [file] [log] [blame]
/*
* Copyright (c) 2024 Basalte bv
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef SHELL_RPMSG_H__
#define SHELL_RPMSG_H__
#include <zephyr/kernel.h>
#include <zephyr/shell/shell.h>
#include <openamp/rpmsg.h>
#ifdef __cplusplus
extern "C" {
#endif
extern const struct shell_transport_api shell_rpmsg_transport_api;
/** RPMsg received message placeholder */
struct shell_rpmsg_rx {
/** Pointer to the data held by RPMsg endpoint */
void *data;
/** The length of the data */
size_t len;
};
/** RPMsg-based shell transport. */
struct shell_rpmsg {
/** Handler function registered by shell. */
shell_transport_handler_t shell_handler;
/** Context registered by shell. */
void *shell_context;
/** Indicator if we are ready to read/write */
bool ready;
/** Setting for blocking mode */
bool blocking;
/** RPMsg endpoint */
struct rpmsg_endpoint ept;
/** Queue for received data. */
struct k_msgq rx_q;
/** Buffer for received messages */
struct shell_rpmsg_rx rx_buf[CONFIG_SHELL_RPMSG_MAX_RX];
/** The current rx message */
struct shell_rpmsg_rx rx_cur;
/** The number of bytes consumed from rx_cur */
size_t rx_consumed;
};
#define SHELL_RPMSG_DEFINE(_name) \
static struct shell_rpmsg _name##_shell_rpmsg; \
struct shell_transport _name = { \
.api = &shell_rpmsg_transport_api, \
.ctx = (struct shell_rpmsg *)&_name##_shell_rpmsg, \
}
/**
* @brief Initialize the Shell backend using the provided @p rpmsg_dev device.
*
* @param rpmsg_dev A pointer to an RPMsg device
* @return 0 on success or a negative value on error
*/
int shell_backend_rpmsg_init_transport(struct rpmsg_device *rpmsg_dev);
/**
* @brief This function provides pointer to shell RPMsg backend instance.
*
* Function returns pointer to the shell RPMsg instance. This instance can be
* next used with shell_execute_cmd function in order to test commands behavior.
*
* @returns Pointer to the shell instance.
*/
const struct shell *shell_backend_rpmsg_get_ptr(void);
#ifdef __cplusplus
}
#endif
#endif /* SHELL_RPMSG_H__ */