mirror of
https://gitee.com/moluo-tech/AT-Command
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140 lines
5.1 KiB
C
140 lines
5.1 KiB
C
/*******************************************************************************
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* @brief AT 通信管理(无OS版本)
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*
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* Change Logs
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* Date Author Notes
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* 2016-01-22 Morro Initial version.
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* 2018-02-11 Morro 使用链式队列管理AT作业
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* 2020-05-21 Morro 支持多个AT管理器
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*******************************************************************************/
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#ifndef _ATCHAT_H_
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#define _ATCHAT_H_
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#include "at_util.h"
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#include <list.h>
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#include <stdbool.h>
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#define MAX_AT_CMD_LEN 128
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struct at_core;
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/*urc处理项 -----------------------------------------------------------------*/
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typedef struct {
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const char *prefix; //需要匹配的头部
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void (*handler)(char *recvbuf, int size);
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}utc_item_t;
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typedef struct {
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unsigned int (*write)(const void *buf, unsigned int len); /*发送接口*/
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unsigned int (*read)(void *buf, unsigned int len); /*接收接口*/
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void (*lock)(void); /*加锁,针对OS*/
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void (*unlock)(void); /*解锁,针对OS*/
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/*Events -----------------------------------------------------------------*/
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void (*before_at)(void); /*开始执行AT*/
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void (*after_at)(void);
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void (*error)(void);
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utc_item_t *utc_tbl; /*utc 表*/
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unsigned char *urc_buf; /*urc接收缓冲区*/
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unsigned char *rcv_buf;
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unsigned short urc_tbl_count;
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unsigned short urc_bufsize; /*urc缓冲区大小*/
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unsigned short rcv_bufsize; /*接收缓冲区*/
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}at_core_conf_t;
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/*AT作业运行环境*/
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typedef struct {
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int i,j,state;
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void *params;
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void (*reset_timer)(struct at_core *ac);
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bool (*is_timeout)(struct at_core *ac, unsigned int ms); /*时间跨度判断*/
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void (*printf)(struct at_core *ac, const char *fmt, ...);
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char * (*find)(struct at_core *ac, const char *expect);
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char * (*recvbuf)(struct at_core *ac); /*指向接收缓冲区*/
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unsigned int(*recvlen)(struct at_core *ac); /*缓冲区总长度*/
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void (*recvclr)(struct at_core *ac); /*清空接收缓冲区*/
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bool (*abort)(struct at_core *ac); /*终止执行*/
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}at_env_t;
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/*AT命令响应码*/
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typedef enum {
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AT_RET_OK = 0, /*执行成功*/
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AT_RET_ERROR, /*执行错误*/
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AT_RET_TIMEOUT, /*响应超时*/
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AT_RET_ABORT, /*强行中止*/
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}at_return;
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/*AT响应 */
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typedef struct {
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void *param;
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char *recvbuf;
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unsigned short recvcnt;
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at_return ret;
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}at_response_t;
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typedef void (*at_callback_t)(at_response_t *r);
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/*AT状态 */
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typedef enum {
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AT_STATE_IDLE, /*空闲状态*/
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AT_STATE_WAIT, /*等待执行*/
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AT_STATE_EXEC, /*正在执行*/
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}at_work_state;
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/*AT作业项*/
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typedef struct {
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at_work_state state : 3;
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unsigned char type : 3;
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unsigned char abort : 1;
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void *param;
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void *info;
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struct list_head node;
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}at_item_t;
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/*AT管理器 ------------------------------------------------------------------*/
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typedef struct at_core{
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at_core_conf_t cfg;
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at_env_t env;
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at_item_t tbl[10];
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at_item_t *cursor;
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struct list_head ls_ready, ls_idle; /*就绪,空闲作业链*/
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unsigned int resp_timer;
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unsigned int urc_timer;
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at_return ret;
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//urc接收计数, 命令响应接收计数器
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unsigned short urc_cnt, rcv_cnt;
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unsigned char suspend: 1;
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}at_core_t;
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typedef struct {
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void (*sender)(at_env_t *e); /*自定义发送器 */
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const char *matcher; /*接收匹配串 */
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at_callback_t cb; /*响应处理 */
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unsigned char retry; /*错误重试次数 */
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unsigned short timeout; /*最大超时时间 */
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}at_cmd_t;
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void at_core_init(at_core_t *ac, const at_core_conf_t cfg);
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/*发送单行AT命令*/
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bool at_send_singlline(at_core_t *ac, at_callback_t cb, const char *singlline);
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/*发送多行AT命令*/
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bool at_send_multiline(at_core_t *ac, at_callback_t cb, const char **multiline);
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/*执行AT命令*/
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bool at_do_cmd(at_core_t *ac, void *params, const at_cmd_t *cmd);
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/*自定义AT作业*/
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bool at_do_work(at_core_t *ac, int (*work)(at_env_t *e), void *params);
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void at_item_abort(at_item_t *it); /*终止当前作业*/
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bool at_core_busy(at_core_t *ac);
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void at_suspend(at_core_t *ac);
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void at_resume(at_core_t *ac);
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void at_poll_task(at_core_t *ac);
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#endif
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