81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
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/*
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* Copyright Runtime.io 2018. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/** @file
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* @brief Shell transport for the mcumgr SMP protocol.
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*/
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#include <string.h>
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#include <zephyr.h>
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#include <init.h>
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#include "net/buf.h"
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#include "shell/shell.h"
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#include "mgmt/mgmt.h"
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#include "mgmt/serial.h"
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#include "mgmt/buf.h"
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#include "mgmt/smp.h"
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struct device;
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static struct zephyr_smp_transport smp_shell_transport;
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static struct mcumgr_serial_rx_ctxt smp_shell_rx_ctxt;
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/**
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* Processes a single line (i.e., a single SMP frame)
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*/
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static int smp_shell_rx_line(const char *line, void *arg)
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{
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struct net_buf *nb;
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int line_len;
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/* Strip the trailing newline. */
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line_len = strlen(line) - 1;
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nb = mcumgr_serial_process_frag(&smp_shell_rx_ctxt, line, line_len);
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if (nb != NULL) {
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zephyr_smp_rx_req(&smp_shell_transport, nb);
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}
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return 0;
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}
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static u16_t smp_shell_get_mtu(const struct net_buf *nb)
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{
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return CONFIG_MCUMGR_SMP_SHELL_MTU;
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}
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static int smp_shell_tx_raw(const void *data, int len, void *arg)
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{
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/* Cast away const. */
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k_str_out((void *)data, len);
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return 0;
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}
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static int smp_shell_tx_pkt(struct zephyr_smp_transport *zst,
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struct net_buf *nb)
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{
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int rc;
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rc = mcumgr_serial_tx_pkt(nb->data, nb->len, smp_shell_tx_raw, NULL);
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mcumgr_buf_free(nb);
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return rc;
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}
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static int smp_shell_init(struct device *dev)
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{
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ARG_UNUSED(dev);
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zephyr_smp_transport_init(&smp_shell_transport, smp_shell_tx_pkt,
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smp_shell_get_mtu);
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shell_register_mcumgr_handler(smp_shell_rx_line, NULL);
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return 0;
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}
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SYS_INIT(smp_shell_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);
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