Révision 799
Ajouté par magraffin il y a presque 4 ans
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#include "sfr32c87.h"
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#include "uart0.h"
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char c;
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char tram[80];
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char c,c1,c2,t1,t2,check=0,t3,t4;
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int i=0,debut=0,fin_tram=0,validation=0;
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void main(void)
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{
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int i=0;
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uart0_init();
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pd1_0=1;
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pd1_1=1;
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/*
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while (1)
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{
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| ... | ... | |
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*/
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while (1)
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{
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c=uart0_rx();
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fin_tram=rectram();
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}
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}
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void uart0_init(void)
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| ... | ... | |
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char uart0_rx(void)
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{
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while (ri_u0c1!=0);
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while (!ri_u0c1);
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return u0rb;
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}
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}
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int decode_int(char ch)
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{
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char res;
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if (ch>=0x30 && ch<=0x39){
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res=ch-48;
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}
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if (ch>=0x41 && ch<=0x46){
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res=ch-55;
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}
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return (res);
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}
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int rectram(char * Buffer){
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fin_tram=0;
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c=uart0_rx();
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if (c=='\n' || c=='\r'){
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return 1;
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}
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if (c=='*'){
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/*p1_1=1;
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while (i!=10000){i++;}
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p1_1=0;*/
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c1=uart0_rx();
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c2=uart0_rx();
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debut=0;
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i=0;
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t1=(check&0xf0)>>4;//decode_int(c1);decode_int(c1);
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t2=check&0x0f;//decode_int(c2);decode_int(c2);
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t3=decode_int(c1);
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t4=decode_int(c2);
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if (t1==t3 && t2==t4 ){
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validation=1;}
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}
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if (debut==1){
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i++;
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tram[i]=c;
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*(Buffer+i)=c;
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check=check^c;
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}
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if (c=='$'){
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/*p1_0=1;
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while (i!=10000){i++;}
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p1_0=0;*/
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debut=1;
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fin_tram=0;
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tram[0]=c;
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}
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}
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Formats disponibles : Unified diff
la fonction rectram est finie, le checksum fonctionne ainsi que le stokage de la trame