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AT-Command/samples/none_os/framework/cli.c

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2022-12-31 14:42:31 +00:00
/******************************************************************************
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>
*
* Copyright (c) 2015-2020, <morro_luo@163.com>
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2015-06-09 roger.luo <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* 2017-07-04 roger.luo <EFBFBD>Ż<EFBFBD><EFBFBD>ֶηָ<EFBFBD><EFBFBD>
*
* 2020-07-05 roger.luo ʹ<EFBFBD><EFBFBD>cli_obj_t<EFBFBD><EFBFBD><EFBFBD><EFBFBD>, ֧<EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
******************************************************************************/
#include "cli.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdbool.h>
static const cmd_item_t cmd_tbl_start SECTION("cli.cmd.0") = {0};
static const cmd_item_t cmd_tbl_end SECTION("cli.cmd.4") = {0};
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param[in] keyword - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD>
* @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
static const cmd_item_t *find_cmd(const char *keyword, int n)
{
const cmd_item_t *it;
for (it = &cmd_tbl_start + 1; it < &cmd_tbl_end; it++) {
if (!strncasecmp(keyword, it->name, n))
return it;
}
return NULL;
}
/*******************************************************************************
* @brief <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD> - <EFBFBD><EFBFBD>Դ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>separatorָ<EFBFBD><EFBFBD><EFBFBD>ķָ<EFBFBD><EFBFBD><EFBFBD>
* (<EFBFBD><EFBFBD>',')<EFBFBD><EFBFBD><EFBFBD>滻<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>'\0'<EFBFBD>γ<EFBFBD><EFBFBD>Ӵ<EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD>list
* ָ<EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD>е<EFBFBD>ÿһ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ָ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ӵ<EFBFBD>
* @example
* input=> s = "abc,123,456,,fb$"
* separator = ",$"
*
* output=>s = abc'\0' 123'\0' 456'\0' '\0' fb'\0''\0'
* list[0] = "abc"
* list[1] = "123"
* list[2] = "456"
* list[3] = ""
* list[4] = "fb"
* list[5] = ""
*
* @param[in] str - Դ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
* @param[in] separator - <EFBFBD>ָ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
* @param[in] list - <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
* @param[in] len - <EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return listָ<EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>򷵻<EFBFBD>6
******************************************************************************/
static size_t strsplit(char *s, const char *separator, char *list[], size_t len)
{
size_t count = 0;
if (s == NULL || list == NULL || len == 0)
return 0;
list[count++] = s;
while(*s && count < len) {
if (strchr(separator, *s) != NULL) {
*s = '\0';
list[count++] = s + 1; /*ָ<><D6B8><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>Ӵ<EFBFBD>*/
}
s++;
}
return count;
}
/**
* @brief <EFBFBD><EFBFBD>ӡһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><EFBFBD><EFBFBD>̨
* @retval
*/
static void cli_print(cli_obj_t *obj, const char *format, ...)
{
va_list args;
int len;
char buf[CLI_MAX_CMD_LEN + CLI_MAX_CMD_LEN / 2];
va_start (args, format);
len = vsnprintf (buf, sizeof(buf), format, args);
va_end (args);
obj->write(buf, len);
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param[in] line - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return none
**/
static void process_line(cli_obj_t *obj)
{
char *argv[CLI_MAX_ARGS];
int argc, ret, isat = 0;
const cmd_item_t *it;
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if (obj->guard && !obj->guard(obj->recvbuf))
return;
if (obj->echo) { //<2F><><EFBFBD><EFBFBD>
obj->print(obj,"%s\r\n",obj->recvbuf);
}
argc = strsplit(obj->recvbuf, ",",argv, CLI_MAX_ARGS);
const char *start, *end;
if (argv[0] == NULL)
return;
if (strcasecmp("AT", argv[0]) == 0) {
obj->print(obj, "OK\r\n");
return;
}
#if CLI_AT_ENABLE != 0
isat = strncasecmp(argv[0], "AT+", 3) == 0;
#endif
start= !isat ? argv[0] : argv[0] + 3;
if ((end = strchr(start, '=')) != NULL) {
obj->type = CLI_CMD_TYPE_SET;
} else if ((end = strchr(start, '?')) != NULL) {
obj->type = CLI_CMD_TYPE_QUERY;
} else {
obj->type = CLI_CMD_TYPE_EXEC;
end = start + strlen(argv[0]);
}
if (start == end)
return;
if ((it = find_cmd(start, end - start)) == NULL) {
obj->print(obj, "%s\r\n", isat ? "ERROR" : "");
return;
}
ret = it->handler(obj, argc, argv);
if (isat) {
obj->print(obj, "%s\r\n" ,ret ? "OK":"ERROR");
}
}
/**
* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
*/
static int get_val(struct cli_obj *self)
{
char *p;
p = strchr(self->recvbuf, '=');
if ( p == NULL)
return 0;
return atoi(p + 1);
}
/**
* @brief cli <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
* @param[in] p - cli<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
* @return none
*/
void cli_init(cli_obj_t *obj, const cli_port_t *p)
{
obj->read = p->read;
obj->write = p->write;
obj->print = cli_print;
obj->enable = true;
obj->get_val = get_val;
obj->guard = p->cmd_guard;
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>cli<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ(cli<EFBFBD><EFBFBD>ʱ<EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* @param[in] none
* @return none
**/
void cli_enable(cli_obj_t *obj)
{
char a;
obj->enable = true;
obj->recvcnt = 0;
while (obj->read(&a, 1) > 0) {}
}
/**
* @brief <EFBFBD>˳<EFBFBD>cli<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ(cli<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ٴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* @param[in] none
* @return none
**/
void cli_disable (cli_obj_t *obj)
{
obj->enable = false;
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD>Կ<EFBFBD><EFBFBD><EFBFBD>
* @param[in] echo - <EFBFBD><EFBFBD><EFBFBD>Կ<EFBFBD><EFBFBD>ؿ<EFBFBD><EFBFBD><EFBFBD>(0/1)
* @return none
**/
void cli_echo_ctrl (cli_obj_t *obj, int echo)
{
obj->echo = echo;
}
/**
* @brief ִ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD>cli<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>)
* @param[in] none
* @return none
**/
void cli_exec_cmd(cli_obj_t *obj, const char *cmd)
{
int len = strlen(cmd);
if (len >= CLI_MAX_CMD_LEN - 1)
return;
strcpy(obj->recvbuf, cmd);
process_line(obj);
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param[in] none
* @return none
**/
void cli_process(cli_obj_t *obj)
{
char buf[32];
int i, readcnt;
if (!obj->read || !obj->enable)
return;
readcnt = obj->read(buf, sizeof(buf));
if (readcnt) {
for (i = 0; i < readcnt; i++) {
if (buf[i] == '\r' || buf[i] == '\n' || buf[i] == '\0') {
obj->recvbuf[obj->recvcnt] = '\0';
if (obj->recvcnt > 1)
process_line(obj);
obj->recvcnt = 0;
} else {
obj->recvbuf[obj->recvcnt++] = buf[i];
if (obj->recvcnt >= CLI_MAX_CMD_LEN) /*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE>ǿ<EFBFBD><C7BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
obj->recvcnt = 0;
}
}
}
}
#if 1
/*******************************************************************************
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><EFBFBD><EFBFBD>
* @param[in] none
* @return <EFBFBD>ο<EFBFBD>strcmp
*******************************************************************************/
static int cmd_item_comparer(const void *item1,const void *item2)
{
cmd_item_t *it1 = *((cmd_item_t **)item1);
cmd_item_t *it2 = *((cmd_item_t **)item2);
return strcmp(it1->name, it2->name);
}
#endif
/*
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
static int do_help (struct cli_obj *s, int argc, char *argv[])
{
int i,j, count;
const cmd_item_t *item_start = &cmd_tbl_start + 1;
const cmd_item_t *item_end = &cmd_tbl_end;
const cmd_item_t *cmdtbl[CLI_MAX_CMDS];
if (argc == 2) {
if ((item_start = find_cmd(argv[1], strlen(argv[1]))) != NULL)
{
s->print(s, item_start->brief); /*<2A><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>Ϣ----*/
s->print(s, "\r\n");
}
return 0;
}
for (i = 0; i < item_end - item_start && i < CLI_MAX_ARGS; i++)
cmdtbl[i] = &item_start[i];
count = i;
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ---------------------------------------------------------*/
qsort(cmdtbl, i, sizeof(cmd_item_t*), cmd_item_comparer);
s->print(s, "\r\n");
for (i = 0; i < count; i++) {
s->print(s, cmdtbl[i]->name); /*<2A><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>------*/
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
j = strlen(cmdtbl[i]->name);
if (j < 10)
j = 10 - j;
while (j--)
s->print(s, " ");
s->print(s, "- ");
s->print(s, cmdtbl[i]->brief); /*<2A><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>Ϣ----*/
s->print(s, "\r\n");
}
return 1;
}
/*ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ---------------------------------------------------------------*/
cmd_register("help", do_help, "list all command.");
cmd_register("?", do_help, "alias for 'help'");
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