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47 lines
1.3 KiB
47 lines
1.3 KiB
#include "0d0a.h"
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#include "../clib/clib.h"
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//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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//L1_uart_2strbuf(&s_uart0_rec);s_uart0_rec.ok = 2
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/// 接收以od oa为结束的标准的assci码的协议 类似 send xx (回车换行)测试时注意以回车换行
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/// 为结束标志，也就是发送的数据后面 必须有回车换行 :0x0d 0x0a
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//对于连续的多条协议，比如：abcdefg\r\n12345\r\n，如果前一条处理不及时，可能会被后一条覆盖
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void L1_s2b_0d0a(struct _tp_handler_x *p) //reentrant
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{
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if(p->head == 0)
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{
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p->head = 1;
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p->num = 0;
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}
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if(p->num >= D_tp_handle_x_len)
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{
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p->num = 0;
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}
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p->cashe[1] = p->cashe[0];
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p->cashe[0] = p->reg;//
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p->buf[++p->num] = p->cashe[0];
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//p->buf[++p->num] = p->cashe[0];
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if ((p->num > 2) && (p->cashe[0] == 0x0a) && (p->cashe[1] == 0x0d))// 0d0a
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{
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if(1 != p->ok)
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{
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p->buf[0] = p->num - 2; //去掉0d0a
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if(p->sp2 != NULL) //备份缓冲区不为null
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{
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//byte_copy_uc(p->buf + 1,p->__buf,p->num-2); //经过调试,此处不要调用外部函数，入栈出栈会增加出错风险
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for(p->i=0;p->i<p->buf[0]+1;p->i++)
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{
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p->sp2[p->i] = p->buf[p->i];
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}
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}
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p->ok = 1;//收到 命令结束,必须有个地方清0，否则无法再次接受报文
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}
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p->head = 0;
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}
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}
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