mirror of
https://gitee.com/moluo-tech/AT-Command
synced 2025-06-17 07:57:52 +00:00
1.删除at_obj中的at_work_ctx_t域,减少内存使用
2.解决重复释放信号量导致命令出现等待超时的问题
This commit is contained in:
魔罗技术
parent
44cd306a95
commit
8f56581724
252
at.c
252
at.c
@ -1,17 +1,21 @@
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/******************************************************************************
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* @brief AT命令通信管理(OS版本)
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*
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* Copyright (c) 2020, <morro_luo@163.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-01-02 Morro Initial version.
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* 2021-02-01 Morro 支持URC回调中接收数据.
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* 2021-02-05 Morro 1.修改struct at_obj,去除链表管理机制
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* 2.删除 at_obj_destroy接口
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******************************************************************************/
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/**
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******************************************************************************
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* @brief AT命令通信管理(OS版本)
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*
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* Copyright (c) 2020, <morro_luo@163.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-01-02 Morro Initial version.
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* 2021-02-01 Morro 支持URC回调中接收数据.
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* 2021-02-05 Morro 1.修改struct at_obj,去除链表管理机制
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* 2.删除 at_obj_destroy接口
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* 2021-03-21 Morro 删除at_obj中的at_work_ctx_t域,减少内存使用
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* 2021-04-08 Morro 解决重复释放信号量导致命令出现等待超时的问题
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******************************************************************************
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*/
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#include "at.h"
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#include "comdef.h"
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#include <stdarg.h>
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@ -19,26 +23,15 @@
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#include <stdio.h>
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#include <stddef.h>
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//超时判断
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#define AT_IS_TIMEOUT(start, time) (at_get_ms() - (start) > (time))
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/*
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* @brief 默认调试接口
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*/
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/**
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* @brief 默认调试接口
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*/
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static void nop_dbg(const char *fmt, ...){}
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/*
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* @brief 获取at控制器
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*/
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at_obj_t *get_at_obj(struct at_work_ctx *e)
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{
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return container_of(e, at_obj_t, ctx);
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}
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/*
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* @brief 输出字符串
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*/
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/**
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* @brief 输出字符串
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*/
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static void put_string(at_obj_t *at, const char *s)
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{
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while (*s != '\0')
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@ -46,9 +39,9 @@ static void put_string(at_obj_t *at, const char *s)
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}
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/*
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* @brief 输出字符串(带换行)
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*/
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/**
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* @brief 输出字符串(带换行)
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*/
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static void put_line(at_obj_t *at, const char *s)
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{
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put_string(at, s);
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@ -63,43 +56,42 @@ static void at_print(struct at_work_ctx *e, const char *cmd, ...)
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va_start(args, cmd);
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char buf[MAX_AT_CMD_LEN];
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vsnprintf(buf, sizeof(buf), cmd, args);
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put_line(get_at_obj(e), buf);
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put_line(e->at, buf);
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va_end(args);
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}
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/*
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* @brief 清除数据缓冲区
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*/
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/**
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* @brief 清除数据缓冲区
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*/
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static void recvbuf_clr(struct at_work_ctx *e)
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{
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get_at_obj(e)->rcv_cnt = 0;
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e->at->rcv_cnt = 0;
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}
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//等待AT命令响应
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static at_return wait_resp(at_obj_t *at, at_respond_t *r)
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{
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at->resp = r;
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{
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at->ret = AT_RET_TIMEOUT;
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at->resp_timer = at_get_ms();
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at->rcv_cnt = 0; //清空接收缓存
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at->resp = r;
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at_sem_wait(at->completed, r->timeout);
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at->adap.debug("<-\r\n%s\r\n", r->recvbuf);
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at->resp = NULL;
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return at->ret;
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}
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/*
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* @brief 同步响应AT响应
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* @param[in] resp - 等待接收串(如"OK",">")
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* @param[in] timeout - 等待超时时间
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*/
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at_return wait_resp_sync(struct at_work_ctx *e, const char *resp,
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unsigned int timeout)
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/**
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* @brief 等待接收到指定串
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* @param[in] resp - 期待待接收串(如"OK",">")
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* @param[in] timeout - 等待超时时间
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*/
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at_return wait_recv(struct at_work_ctx *e, const char *resp,
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unsigned int timeout)
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{
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char buf[64];
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int cnt = 0, len;
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at_obj_t *at = get_at_obj(e);
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at_obj_t *at = e->at;
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at_return ret = AT_RET_TIMEOUT;
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unsigned int timer = at_get_ms();
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while (at_get_ms() - timer < timeout) {
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@ -119,36 +111,29 @@ at_return wait_resp_sync(struct at_work_ctx *e, const char *resp,
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return ret;
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}
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/*
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* @brief 创建AT控制器
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*/
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void at_obj_create(at_obj_t *at, const at_adapter_t *adap)
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/**
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* @brief 创建AT控制器
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* @param[in] adap - AT接口适配器
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*/
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void at_obj_init(at_obj_t *at, const at_adapter_t *adap)
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{
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at_work_ctx_t *ctx;
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at->adap = *adap;
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at->rcv_cnt = 0;
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at->cmd_lock = ril_sem_new(1);
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at->completed = ril_sem_new(0);
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ctx = &at->ctx;
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ctx->printf = at_print;
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ctx->recvclr = recvbuf_clr;
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ctx->read = adap->read;
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ctx->write = adap->write;
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ctx->wait_resp = wait_resp_sync;
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if (at->adap.debug == NULL)
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at->adap.debug = nop_dbg;
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}
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/*
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* @brief 执行命令
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* @param[in] fmt - 格式化输出
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* @param[in] r - 响应参数,如果填NULL, 默认返回OK表示成功,等待5s
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* @param[in] args - 如变参数列表
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*/
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/**
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* @brief 执行命令
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* @param[in] fmt - 格式化输出
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* @param[in] r - 响应参数,如果填NULL, 默认返回OK表示成功,等待5s
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* @param[in] args - 如变参数列表
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*/
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at_return at_do_cmd(at_obj_t *at, at_respond_t *r, const char *cmd)
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{
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at_return ret;
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@ -172,38 +157,48 @@ at_return at_do_cmd(at_obj_t *at, at_respond_t *r, const char *cmd)
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return ret;
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}
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/*
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* @brief 执行AT作业
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* @param[in] urc
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* @return none
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*/
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at_return at_do_work(at_obj_t *at, at_work work, void *params)
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/**
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* @brief 执行AT作业
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* @param[in] at - AT控制器
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* @param[in] work - 作业入口函数(类型 - int (*)(at_work_ctx_t *))
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* @param[in] params- 作业参数
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* @return 依赖于work的返回值
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*/
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int at_do_work(at_obj_t *at, at_work work, void *params)
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{
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at_return ret;
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if (!at_sem_wait(at->cmd_lock, 150 * 1000)) {
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at_work_ctx_t ctx;
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int ret;
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if (!at_sem_wait(at->cmd_lock, 150 * 1000)) {
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return AT_RET_TIMEOUT;
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}
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at->busy = true;
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while (at->urc_cnt) { //等待URC处理完成
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at_delay(1);
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}
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at->ctx.params = params;
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//构造at_work_ctx_t
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ctx.params = params;
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ctx.printf = at_print;
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ctx.recvclr = recvbuf_clr;
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ctx.read = at->adap.read;
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ctx.write = at->adap.write;
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ctx.wait_resp = wait_recv;
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ctx.at = at;
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at->dowork = true;
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at->rcv_cnt = 0;
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ret = work(&at->ctx);
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ret = work(&ctx);
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at->dowork = false;
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at_sem_post(at->cmd_lock);
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at->busy = false;
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return ret;
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}
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/*
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* @brief 分割响应行
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* @param[in] recvbuf - 接收缓冲区
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* @param[out] lines - 响应行数组
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* @param[in] separator- 分割符(, \n)
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* @return 行数
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*/
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/**
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* @brief 分割响应行
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* @param[in] recvbuf - 接收缓冲区
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* @param[out] lines - 响应行数组
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* @param[in] separator- 分割符(, \n)
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* @return 行数
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*/
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int at_split_respond_lines(char *recvbuf, char *lines[], int count, char separator)
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{
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char *s = recvbuf;
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@ -222,11 +217,11 @@ int at_split_respond_lines(char *recvbuf, char *lines[], int count, char separat
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return i;
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}
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/*
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* @brief urc 处理总入口
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* @param[in] urcline - URC行
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* @return true - 正常识别并处理, false - 未识别URC
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*/
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/**
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* @brief urc 处理总入口
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* @param[in] urcline - URC行
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* @return true - 正常识别并处理, false - 未识别URC
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*/
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static bool urc_handler_entry(at_obj_t *at, char *urcline, unsigned int size)
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{
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int i;
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@ -257,11 +252,11 @@ static bool urc_handler_entry(at_obj_t *at, char *urcline, unsigned int size)
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return false;
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}
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/*
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* @brief urc 接收处理
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* @param[in] ch - 接收字符
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* @return none
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*/
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/**
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* @brief urc 接收处理
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* @param[in] ch - 接收字符
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* @return none
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*/
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static void urc_recv_process(at_obj_t *at, const char *buf, unsigned int size)
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{
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register char *urc_buf;
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@ -269,10 +264,11 @@ static void urc_recv_process(at_obj_t *at, const char *buf, unsigned int size)
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urc_buf = at->adap.urc_buf;
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//接收超时处理,默认MAX_URC_RECV_TIMEOUT
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if (at->urc_cnt > 0 && AT_IS_TIMEOUT(at->urc_timer, MAX_URC_RECV_TIMEOUT)) {
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if (at->urc_cnt > 0 && at_istimeout(at->urc_timer, MAX_URC_RECV_TIMEOUT)) {
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urc_buf[at->urc_cnt] = '\0';
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at->urc_cnt = 0;
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at->adap.debug("urc recv timeout=>%s\r\n", urc_buf);
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if (at->urc_cnt > 2)
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at->adap.debug("urc recv timeout=>%s\r\n", urc_buf);
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}
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while (size--) {
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@ -297,22 +293,22 @@ static void urc_recv_process(at_obj_t *at, const char *buf, unsigned int size)
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}
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}
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/*
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* @brief 命令响应通知
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* @return none
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*/
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/**
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* @brief 命令响应通知
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* @return none
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*/
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static void resp_notification(at_obj_t *at, at_return ret)
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{
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at->ret = ret;
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at_sem_post(at->completed);
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}
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/*
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* @brief 指令响应接收处理
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* @param[in] buf - 接收缓冲区
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* @param[in] size - 缓冲区数据长度
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* @return none
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*/
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/**
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* @brief 指令响应接收处理
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* @param[in] buf - 接收缓冲区
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* @param[in] size - 缓冲区数据长度
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* @return none
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*/
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static void resp_recv_process(at_obj_t *at, const char *buf, unsigned int size)
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{
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char *rcv_buf;
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@ -337,49 +333,51 @@ static void resp_recv_process(at_obj_t *at, const char *buf, unsigned int size)
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if (strstr(rcv_buf, resp->matcher)) { //接收匹配
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resp_notification(at, AT_RET_OK);
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return;
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} else if (strstr(rcv_buf, "ERROR")) {
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resp_notification(at, AT_RET_ERROR);
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return;
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}
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}
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if (AT_IS_TIMEOUT(at->resp_timer, resp->timeout)) //接收超时
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resp_notification(at, AT_RET_TIMEOUT);
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if (at_istimeout(at->resp_timer, resp->timeout)) //接收超时
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resp_notification(at, AT_RET_TIMEOUT);
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else if (at->suspend) //强制终止
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resp_notification(at, AT_RET_ABORT);
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}
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/*
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* @brief AT忙判断
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* @return true - 有AT指令或者任务正在执行中
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*/
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/**
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* @brief AT忙判断
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* @return true - 有AT指令或者任务正在执行中
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*/
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bool at_obj_busy(at_obj_t *at)
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{
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return !at->busy && AT_IS_TIMEOUT(at->urc_timer, 2000);
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return !at->busy && at_istimeout(at->urc_timer, 2000);
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}
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/*
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* @brief 挂起AT作业
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* @return none
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*/
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/**
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* @brief 挂起AT作业
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* @return none
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*/
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void at_suspend(at_obj_t *at)
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{
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at->suspend = 1;
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}
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/*
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* @brief 恢复AT作业
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* @return none
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*/
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/**
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* @brief 恢复AT作业
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* @return none
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*/
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void at_resume(at_obj_t *at)
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{
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at->suspend = 0;
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}
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/*
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* @brief AT处理
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* @return none
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*/
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/**
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* @brief AT处理
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* @return none
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*/
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void at_process(at_obj_t *at)
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{
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char c;
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28
at.h
28
at.h
@ -11,6 +11,8 @@
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* 2021-02-01 Morro 支持URC回调中接收数据.
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* 2021-02-05 Morro 1.修改struct at_obj,去除链表管理机制
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* 2.删除 at_obj_destroy接口
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* 2021-03-21 Morro 删除at_obj中的at_work_ctx_t域,减少内存使用
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* 2021-04-08 Morro 解决重复释放信号量导致命令出现等待超时的问题
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******************************************************************************/
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#ifndef _AT_H_
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@ -102,14 +104,23 @@ typedef struct {
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* @brief AT作业上下文(Work Context) 定义
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*/
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typedef struct at_work_ctx {
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struct at_obj *at;
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//作业参数,由at_do_work接口传入
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void *params;
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void *params;
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unsigned int (*write)(const void *buf, unsigned int len);
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unsigned int (*read)(void *buf, unsigned int len);
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//打印输出
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/**
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* @brief 格式化打印输出
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*/
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void (*printf)(struct at_work_ctx *self, const char *fmt, ...);
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//响应等待
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/*
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* @brief 等待回复
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* @param[in] prefix - 期待待接收前缀(如"OK",">")
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* @param[in] timeout - 等待超时时间
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*/
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at_return (*wait_resp)(struct at_work_ctx *self, const char *prefix,
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unsigned int timeout);
|
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//清除接收缓存
|
||||
@ -119,25 +130,21 @@ typedef struct at_work_ctx {
|
||||
/*AT对象 ---------------------------------------------------------------------*/
|
||||
typedef struct at_obj {
|
||||
at_adapter_t adap; /* 接口适配器*/
|
||||
at_work_ctx_t ctx; /* work context*/
|
||||
at_sem_t cmd_lock; /* 命令锁*/
|
||||
at_sem_t completed; /* 命令完成信号*/
|
||||
at_respond_t *resp; /* AT应答信息*/
|
||||
unsigned int resp_timer; /* 响应接收定时器*/
|
||||
unsigned int urc_timer; /* URC定时器 */
|
||||
at_return ret; /* 命令执行结果*/
|
||||
//urc接收计数, 命令响应接收计数器
|
||||
unsigned short urc_cnt, rcv_cnt;
|
||||
unsigned char busy : 1;
|
||||
unsigned char suspend: 1;
|
||||
unsigned char dowork : 1;
|
||||
}at_obj_t;
|
||||
|
||||
typedef at_return (*at_work)(at_work_ctx_t *);
|
||||
typedef int (*at_work)(at_work_ctx_t *);
|
||||
|
||||
void at_obj_create(at_obj_t *at, const at_adapter_t *adap); /* AT初始化*/
|
||||
|
||||
void at_obj_destroy(at_obj_t *at);
|
||||
void at_obj_init(at_obj_t *at, const at_adapter_t *adap); /* AT初始化*/
|
||||
|
||||
bool at_obj_busy(at_obj_t *at);
|
||||
|
||||
@ -147,10 +154,9 @@ void at_resume(at_obj_t *at); /*
|
||||
|
||||
at_return at_do_cmd(at_obj_t *at, at_respond_t *r, const char *cmd);
|
||||
|
||||
//响应行分割处理
|
||||
int at_split_respond_lines(char *recvbuf, char *lines[], int count, char separator);
|
||||
|
||||
at_return at_do_work(at_obj_t *at, at_work work, void *params);/* 自定义AT作业*/
|
||||
int at_do_work(at_obj_t *at, at_work work, void *params); /* 自定义AT作业*/
|
||||
|
||||
void at_process(at_obj_t *at); /* AT接收处理*/
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user