shoes/liangjianbo/nRF5_SDK_17.0.0_9d13099/examples/peripheral/cli_libuarte/main.c

/**
 * Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
 *    conditions and the following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#include <stdio.h>
#include <stdbool.h>
#include <stddef.h>
#include <ctype.h>

#include "nrf.h"
#include "nrf_gpio.h"
#include "nrf_delay.h"

#include "app_timer.h"

#include "app_error.h"
#include "app_util.h"

#include "nrf_cli.h"
#include "nrf_cli_rtt.h"
#include "nrf_cli_types.h"

#include "boards.h"

#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"

#include "nrf_cli_libuarte.h"

#include "nrf_drv_clock.h"

/* Counter timer. */
APP_TIMER_DEF(m_timer_0);

static uint32_t m_counter;
static bool m_counter_active = false;

/** @brief Command line interface instance. */
#define CLI_EXAMPLE_LOG_QUEUE_SIZE  (4)

NRF_CLI_LIBUARTE_DEF(m_cli_libuarte_transport, 256, 256);
NRF_CLI_DEF(m_cli_libuarte,
            "libuarte_cli:~$ ",
            &m_cli_libuarte_transport.transport,
            '\r',
            CLI_EXAMPLE_LOG_QUEUE_SIZE);

NRF_CLI_RTT_DEF(m_cli_rtt_transport);
NRF_CLI_DEF(m_cli_rtt,
            "rtt_cli:~$ ",
            &m_cli_rtt_transport.transport,
            '\n',
            CLI_EXAMPLE_LOG_QUEUE_SIZE);

static void timer_handle(void * p_context)
{
    UNUSED_PARAMETER(p_context);

    if (m_counter_active)
    {
        m_counter++;
        NRF_LOG_RAW_INFO("counter = %d\n", m_counter);
    }
}

static void cli_start(void)
{
    ret_code_t ret;

    ret = nrf_cli_start(&m_cli_libuarte);
    APP_ERROR_CHECK(ret);

    ret = nrf_cli_start(&m_cli_rtt);
    APP_ERROR_CHECK(ret);
}

static void cli_init(void)
{
    ret_code_t ret;

    cli_libuarte_config_t libuarte_config;
    libuarte_config.tx_pin   = TX_PIN_NUMBER;
    libuarte_config.rx_pin   = RX_PIN_NUMBER;
    libuarte_config.baudrate = NRF_UARTE_BAUDRATE_115200;
    libuarte_config.parity   = NRF_UARTE_PARITY_EXCLUDED;
    libuarte_config.hwfc     = NRF_UARTE_HWFC_DISABLED;
    ret = nrf_cli_init(&m_cli_libuarte, &libuarte_config, true, true, NRF_LOG_SEVERITY_INFO);
    APP_ERROR_CHECK(ret);

    ret = nrf_cli_init(&m_cli_rtt, NULL, true, true, NRF_LOG_SEVERITY_INFO);
    APP_ERROR_CHECK(ret);
}

static void cli_process(void)
{
    nrf_cli_process(&m_cli_libuarte);
    nrf_cli_process(&m_cli_rtt);
}

int main(void)
{
    ret_code_t ret;

    APP_ERROR_CHECK(NRF_LOG_INIT(app_timer_cnt_get));

    ret = nrf_drv_clock_init();
    APP_ERROR_CHECK(ret);
    nrf_drv_clock_lfclk_request(NULL);

    ret = app_timer_init();
    APP_ERROR_CHECK(ret);

    ret = app_timer_create(&m_timer_0, APP_TIMER_MODE_REPEATED, timer_handle);
    APP_ERROR_CHECK(ret);

    ret = app_timer_start(m_timer_0, APP_TIMER_TICKS(1000), NULL);
    APP_ERROR_CHECK(ret);

    cli_init();

    cli_start();

    NRF_LOG_RAW_INFO("Command Line Interface example started.\n");
    NRF_LOG_RAW_INFO("Please press the Tab key to see all available commands.\n");

    while (true)
    {
        UNUSED_RETURN_VALUE(NRF_LOG_PROCESS());
        cli_process();
    }
}

/* Command handlers */
static void cmd_print_param(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    for (size_t i = 1; i < argc; i++)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "argv[%d] = %s\n", i, argv[i]);
    }
}

static void cmd_print_all(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    for (size_t i = 1; i < argc; i++)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "%s ", argv[i]);
    }
    nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "\n");
}

static void cmd_print(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    ASSERT(p_cli);
    ASSERT(p_cli->p_ctx && p_cli->p_iface && p_cli->p_name);

    if ((argc == 1) || nrf_cli_help_requested(p_cli))
    {
        nrf_cli_help_print(p_cli, NULL, 0);
        return;
    }

    if (argc != 2)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: bad parameter count\n", argv[0]);
        return;
    }

    nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: unknown parameter: %s\n", argv[0], argv[1]);
}

static void cmd_counter_start(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    if (argc != 1)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: bad parameter count\n", argv[0]);
        return;
    }

    m_counter_active = true;
}

static void cmd_counter_stop(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    if (argc != 1)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: bad parameter count\n", argv[0]);
        return;
    }

    m_counter_active = false;
}

static void cmd_counter_reset(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    if (argc != 1)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: bad parameter count\n", argv[0]);
        return;
    }

    m_counter = 0;
}

static void cmd_counter(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    ASSERT(p_cli);
    ASSERT(p_cli->p_ctx && p_cli->p_iface && p_cli->p_name);

    /* Extra defined dummy option */
    static const nrf_cli_getopt_option_t opt[] = {
        NRF_CLI_OPT(
            "--test",
            "-t",
            "dummy option help string"
        )
    };

    if ((argc == 1) || nrf_cli_help_requested(p_cli))
    {
        nrf_cli_help_print(p_cli, opt, ARRAY_SIZE(opt));
        return;
    }

    if (argc != 2)
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: bad parameter count\n", argv[0]);
        return;
    }

    if (!strcmp(argv[1], "-t") || !strcmp(argv[1], "--test"))
    {
        nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "Dummy test option.\n");
        return;
    }

    /* subcommands have their own handlers and they are not processed here */
    nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s: unknown parameter: %s\n", argv[0], argv[1]);
}

static void cmd_nordic(nrf_cli_t const * p_cli, size_t argc, char **argv)
{
    UNUSED_PARAMETER(argc);
    UNUSED_PARAMETER(argv);

    if (nrf_cli_help_requested(p_cli))
    {
        nrf_cli_help_print(p_cli, NULL, 0);
        return;
    }

    nrf_cli_fprintf(p_cli, NRF_CLI_OPTION,
                    "\n"
                    "            .co:.                   'xo,          \n"
                    "         .,collllc,.             'ckOOo::,..      \n"
                    "      .:ooooollllllll:'.     .;dOOOOOOo:::;;;'.   \n"
                    "   'okxddoooollllllllllll;'ckOOOOOOOOOo:::;;;,,,' \n"
                    "   OOOkxdoooolllllllllllllllldxOOOOOOOo:::;;;,,,'.\n"
                    "   OOOOOOkdoolllllllllllllllllllldxOOOo:::;;;,,,'.\n"
                    "   OOOOOOOOOkxollllllllllllllllllcccldl:::;;;,,,'.\n"
                    "   OOOOOOOOOOOOOxdollllllllllllllccccc::::;;;,,,'.\n"
                    "   OOOOOOOOOOOOOOOOkxdlllllllllllccccc::::;;;,,,'.\n"
                    "   kOOOOOOOOOOOOOOOOOOOkdolllllllccccc::::;;;,,,'.\n"
                    "   kOOOOOOOOOOOOOOOOOOOOOOOxdllllccccc::::;;;,,,'.\n"
                    "   kOOOOOOOOOOOOOOOOOOOOOOOOOOkxolcccc::::;;;,,,'.\n"
                    "   kOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOkdlc::::;;;,,,'.\n"
                    "   xOOOOOOOOOOOxdkOOOOOOOOOOOOOOOOOOOOxoc:;;;,,,'.\n"
                    "   xOOOOOOOOOOOdc::ldkOOOOOOOOOOOOOOOOOOOkdc;,,,''\n"
                    "   xOOOOOOOOOOOdc::;;,;cdkOOOOOOOOOOOOOOOOOOOxl;''\n"
                    "   .lkOOOOOOOOOdc::;;,,''..;oOOOOOOOOOOOOOOOOOOOx'\n"
                    "      .;oOOOOOOdc::;;,.       .:xOOOOOOOOOOOOd;.  \n"
                    "          .:xOOdc:,.              'ckOOOOkl'      \n"
                    "             .od'                    'xk,         \n"
                    "\n");

    nrf_cli_fprintf(p_cli,NRF_CLI_NORMAL,
                    "                Nordic Semiconductor              \n\n");
}

/** @brief Command set array. */
NRF_CLI_CMD_REGISTER(nordic, NULL, "Print Nordic Semiconductor logo.", cmd_nordic);

NRF_CLI_CREATE_STATIC_SUBCMD_SET(m_sub_print)
{
    NRF_CLI_CMD(all,   NULL, "Print all entered parameters.", cmd_print_all),
    NRF_CLI_CMD(param, NULL, "Print each parameter in new line.", cmd_print_param),
    NRF_CLI_SUBCMD_SET_END
};
NRF_CLI_CMD_REGISTER(print, &m_sub_print, "print", cmd_print);

NRF_CLI_CREATE_STATIC_SUBCMD_SET(m_sub_counter)
{
    NRF_CLI_CMD(reset,  NULL, "Reset seconds counter.",  cmd_counter_reset),
    NRF_CLI_CMD(start,  NULL, "Start seconds counter.",  cmd_counter_start),
    NRF_CLI_CMD(stop,   NULL, "Stop seconds counter.",   cmd_counter_stop),
    NRF_CLI_SUBCMD_SET_END
};
NRF_CLI_CMD_REGISTER(counter,
                     &m_sub_counter,
                     "Display seconds on terminal screen",
                     cmd_counter);