通用嵌入式跨平台命令行接口（GM_CLI）

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[GM CLI] > help test
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/* 静态命令表 */
const gm_cli_cmd_t gm_cli_static_cmds[] =
{
    {
        .name  = "help",
        .usage = "help [cmd-name] -- list the command and usage",
        .cb    = gm_cli_internal_cmd_help,
        .link  = NULL,
    },
    {
        .name  = "?",
        .usage = NULL,
        .cb    = NULL,
        .link  = &gm_cli_static_cmds[0],
    },
    {
        .name  = "history",
        .usage = "history [num] -- list the history command",
        .cb    = gm_cli_internal_cmd_history,
        .link  = NULL,
    },
    {
        .name  = "test",
        .usage = "test [args] -- test the cli",
        .cb    = gm_cli_internal_cmd_test,
        .link  = NULL,
    },
    /* 下面添加自己的命令 */
    {
        .name  = "xxx",
        .usage = "xxx",
        .cb    = xxx_cb,
        .link  = xxx,
    },
    ......

    /* 数组末尾一定要以下面的元素结束 */
    {
        .name  = NULL,
        .usage = NULL,
        .cb    = NULL,
        .link  = NULL,
    },
};

/* 初始化CLI管理器 */
gm_cli_mgr_init();
/* 注册输出驱动 */
gm_cli_set_out_char_cb((gm_cli_out_char_cb_t*)your_out_char_cb);
/* 设置提示符 */
gm_cli_set_cmd_prompt("[your_prompt] > ");
/* 启动CLI */
gm_cli_start();

const char str[] = "test 1 2 3\n";
unsigned int len = (unsigned int)strlen(str);
unsigned int i;
for (i = 0; i < len; i++)
{
    gm_cli_parse_char(str[i]);
}

cmd  -> test
arg1 -> 1
arg2 -> 2
arg3 -> 3

/* 键盘检测或数据队列查询等 */
if (_kbhit())
{
    /* 读取字符 */
    ch = _getch();
    /* 解析字符 */
    gm_cli_parse_char((char)ch);
}

int command_callback(int argc, char* argv[]);

GM_CLI_CMD_EXPORT(command_name, "command_usage_string", command_callback);

GM_CLI_CMD_ALIAS(command_name, "command_alias");