zephyr/include/drivers/console/uart_mcumgr.h

76 lines
2.0 KiB
C

/*
* Copyright Runtime.io 2018. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*/
/** @file
* @brief A driver for sending and receiving mcumgr packets over UART.
*
* @see include/mgmt/serial.h
*/
#ifndef ZEPHYR_INCLUDE_DRIVERS_CONSOLE_UART_MCUMGR_H_
#define ZEPHYR_INCLUDE_DRIVERS_CONSOLE_UART_MCUMGR_H_
#include <stdlib.h>
#include <zephyr/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Contains an mcumgr fragment received over UART.
*/
struct uart_mcumgr_rx_buf {
void *fifo_reserved; /* 1st word reserved for use by fifo */
uint8_t data[CONFIG_UART_MCUMGR_RX_BUF_SIZE];
int length;
};
/** @typedef uart_mcumgr_recv_fn
* @brief Function that gets called when an mcumgr packet is received.
*
* Function that gets called when an mcumgr packet is received. This function
* gets called in the interrupt context. Ownership of the specified buffer is
* transferred to the callback when this function gets called.
*
* @param rx_buf A buffer containing the incoming mcumgr packet.
*/
typedef void uart_mcumgr_recv_fn(struct uart_mcumgr_rx_buf *rx_buf);
/**
* @brief Sends an mcumgr packet over UART.
*
* @param data Buffer containing the mcumgr packet to send.
* @param len The length of the buffer, in bytes.
*
* @return 0 on success; negative error code on failure.
*/
int uart_mcumgr_send(const uint8_t *data, int len);
/**
* @brief Frees the supplied receive buffer.
*
* @param rx_buf The buffer to free.
*/
void uart_mcumgr_free_rx_buf(struct uart_mcumgr_rx_buf *rx_buf);
/**
* @brief Registers an mcumgr UART receive handler.
*
* Configures the mcumgr UART driver to call the specified function when an
* mcumgr request packet is received.
*
* @param cb The callback to execute when an mcumgr request
* packet is received.
*/
void uart_mcumgr_register(uart_mcumgr_recv_fn *cb);
#ifdef __cplusplus
}
#endif
#endif