346 lines
6.6 KiB
C
346 lines
6.6 KiB
C
#include "stdio.h"
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#include "rtthread.h"
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#include "board.h"
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#include "mystdlib.h"
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#include "list.h"
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#include "mystring.h"
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#include "signal.h"
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#include "prot_uc.h"
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#include "buff.h"
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#include "bytearray.h"
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#include "debug.h"
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#include "crc.h"
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#include "dev_flash.h"
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// 接收buff大小
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#define RECV_BUFF_SIZE 300
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static void recv_irq(void *t,uint8_t d)
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{
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protu_def *p=t;
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p->buff[p->buff_index]=d;
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p->buff_index++;
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switch(p->buff_index){
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case 2:
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if(p->buff[0]==0x59&&p->buff[1]==0x6d)
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{
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p->is_big_data=0;
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p->num_to_recv=4;
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}else{
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p->buff[0]=p->buff[1];
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p->num_to_recv=0;
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}
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break;
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case 4:
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{
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int len=p->buff[2]|(p->buff[3]<<8);
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if(len<65535){
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p->is_big_data=0;
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p->num_to_recv+=len+2;
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}else{
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p->is_big_data=1;
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p->num_to_recv=11;
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}
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}
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break;
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case 11:
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{
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if(p->is_big_data==1)
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{
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int len=p->buff[7]|(p->buff[8]<<8)|(p->buff[9]<<16)|(p->buff[10]<<24);
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p->num_to_recv=4+len+2;
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}
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}
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break;
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default:
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break;
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}
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// 此时一帧数据已完成
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if(p->num_to_recv>0&&p->num_to_recv==p->buff_index)
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{
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//DBG_LOG("recv:%s",str_temp(arr_string(p->buff)));
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rt_sem_release(p->sem);
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}
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}
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static void recv_end_irq(void *t,uint32_t len)
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{
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protu_def *p=t;
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p->num_to_recv=len;
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p->buff_index=len;
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rt_sem_release(p->sem);
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}
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array_def *protu_decode_str(protu_def *p,array_def *data);
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array_def *protu_encode_str(protu_def *p,array_def *data);
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// 查找指定解码器
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codec_item *protu_find_codec(const char *name)
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{
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extern const int codecstruct$$Base;
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extern const int codecstruct$$Limit;
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codec_item *start=(codec_item *)&codecstruct$$Base;
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codec_item *end=(codec_item *)&codecstruct$$Limit;
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for(codec_item *t=start;t<end;t++)
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{
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if(strcmp(t->name,name)==0)
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{
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return t;
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}
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}
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return 0;
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}
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// 返回正在使用的解码器
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codec_item *protu_codec_inuse(protu_def *p)
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{
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return p->codec;
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}
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void protu_codec_set(protu_def *p,codec_item *c)
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{
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p->codec=c;
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}
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// 尝试解码
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static array_def *protu_try_decode(protu_def *p,array_def *data)
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{
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array_def *decode_data=0;
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if(p->codec==0||p->codec->decode==protu_decode_str||
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(decode_data=p->codec->decode(p,data),strcmp(p->str_err,"ok")!=0))
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{
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CHECK_DO(decode_data,arr_delete);
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extern const int codecstruct$$Base;
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extern const int codecstruct$$Limit;
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codec_item *start=(codec_item *)&codecstruct$$Base;
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codec_item *end=(codec_item *)&codecstruct$$Limit;
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for(codec_item *t=start;t<end;t++)
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{
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decode_data=t->decode(p,data);
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if(strcmp(p->str_err,"ok")==0)
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{
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p->codec=t;
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break;
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}
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else{
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arr_delete(decode_data);
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}
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}
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}
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if(decode_data==0)
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decode_data=arr_creat();
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return decode_data;
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}
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static void protu_run(void *t)
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{
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protu_def *p=t;
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array_def *data;
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array_def *decode_data;
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while(p->run)
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{
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rt_sem_take(p->sem,RT_WAITING_FOREVER);
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//DBG_LOG("protu run");
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data=arr_creat();
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arr_appends(data,p->buff,p->buff_index);
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p->num_to_recv=0;
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p->buff_index=0;
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DBG_LOG("recv:%s",str_temp(arr_string(data)));
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decode_data=protu_try_decode(p,data);
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//DBG_LOG("decode:%s",str_temp(arr_string(decode_data)));
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if(p->codec)
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emit protu_recv_signal(p,p->codec->name, p->cmd,arr_temp(decode_data),str_temp(str_duplicate(p->str_err)));
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arr_delete(data);
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irq_disable();
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p->num_to_recv=0;
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irq_enable();
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}
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}
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// 根据设备类型初始化编解码指针
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static void protu_set_endecode_fun(protu_def *u)
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{
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const sys_param_def *par=sys_param();
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if(strcmp(par->device_type,"coder")==0)
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{
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}
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else if(strcmp(par->device_type,"checker")==0)
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{
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}
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}
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static int protu_init(void)
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{
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const sys_param_def *par=sys_param();
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const char *name="uart4";
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if(strcmp((par->host_if),"utcp")==0)
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name="utcp";
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protu_def *protu=protu_creat(dev_get(name));
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app_variable("protu",protu,0);
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// 如果通信接口不是用的串口，则增加一个串口的通信
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if(strcmp(par->host_if,"uart4")==0)
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{
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app_variable("protu2",protu,0);
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}else
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{
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protu_def *protu2=protu_creat(dev_get("uart4"));
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app_variable("protu2",protu2,0);
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}
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return 0;
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}
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app_init_export(protu_init)
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protu_def *protu_creat(uart_def *uart)
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{
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static uint16_t count=0;
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char name[20]={0};
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protu_def *p=calloc(1,sizeof(protu_def));
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param_check(p);
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p->uart=uart;
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sprintf(name,"protu_sem#%d",count);
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p->sem=rt_sem_create(name,0,RT_IPC_FLAG_FIFO);
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p->buff=malloc(RECV_BUFF_SIZE);
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p->run=1;
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p->cmd=0xff;// 命令字不可能是0xff
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protu_set_endecode_fun(p);
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sprintf(name,"protu_t#%d",count);
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rt_thread_t rt_t=rt_thread_create(name,protu_run,p,2048,5,20);
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rt_thread_startup(rt_t);
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int bsp=sys_param()->uartbsp;
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if(bsp==9600)
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p->uart->init(p->uart,9600);
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else
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p->uart->init(p->uart,0);
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//p->uart->set_irq(p->uart,recv_irq,p);
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p->uart->set_end_irq(p->uart,p->buff,RECV_BUFF_SIZE,recv_end_irq,p);
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count++;
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return p;
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}
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int protu_send(protu_def *p,array_def *data)
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{
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DBG_LOG("send:%s",str_temp(arr_string(data)));
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return p->uart->write(p->uart,arr_data(data),arr_length(data));
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}
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// 槽函数，回复上位机
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void protu_reply_call(protu_def *p,array_def *data)
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{
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param_check(p);
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array_def *t=0;
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if(p->codec)
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t=p->codec->encode(p,data);
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// DBG_LOG("send encode:%s",arr_string(t));
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if(t){
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protu_send(p,t);
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arr_delete(t);
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}
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}
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// 槽函数，主动上发
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void protu_send_call(protu_def *p,uint8_t cmd,array_def *data)
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{
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array_def *t=0;
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if(cmd!=0){
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p->cmd=cmd;
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// 上报数据不增加流水号 2023.7.14
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p->cmd_no++;
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if(p->codec)
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t=p->codec->encode(p,data);
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}else if(p->cmd==0)
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{
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// 命令字为0是字符串
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t=protu_encode_str(p,data);
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}
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if(t){
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protu_send(p,t);
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arr_delete(t);
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}
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}
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// 字符串解码
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array_def *protu_decode_str(protu_def *p,array_def *data)
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{
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array_def *r=arr_creat();
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param_check(r);
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DBG_LOG("decode for command");
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str_set(p->str_err,"ok");
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p->cmd=0;
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if(str_is_print_str((const char *)arr_data(data),arr_length(data))==1)
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{
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arr_append(data,0);
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arr_appends_from(r,data);
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}else{
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DBG_WARN("data not a string");
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str_set(p->str_err,"not string");
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//arr_remove(data,arr_length(data)-1,1);
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}
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return r;
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}
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// 字符串编码
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array_def *protu_encode_str(protu_def *p,array_def *data)
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{
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array_def *t=arr_creat();
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param_check(t);
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arr_appends_from(t,data);
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return t;
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}
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protuc_codec_export(string,protu_decode_str,protu_encode_str);
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