55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#include <sys/types.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include <string.h>
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#define MSGSIZE 64
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int x = 20;
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int main() {
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char *SB = malloc(x*2);
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for(int i = 0; i != x*2; i++){
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if (i < x) SB[i] = '|';
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else SB[i] = ' ';
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}
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int B[8];
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int Bm[8] = {0};
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int Bm_pre[8] = {0};
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int ret;
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int p[2], i;
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pipe(p);
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pid_t a = fork();
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char *sas[] = {"cava", "-p", "/home/romenskiy2012/.config/cava/band8.conf", NULL};
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char inbuf[MSGSIZE];
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if (a == 0) {
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if (dup2(p[1], STDOUT_FILENO) == -1) { perror("dup2"); _exit(127);}
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close(p[0]);
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close(p[1]);
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execvp(sas[0], sas);
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_exit(127);
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}
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close(p[1]);
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FILE *r = fdopen(p[0], "r");
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for (int i = 0;1 == 1;i++){
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fgets(inbuf, sizeof inbuf, r);
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ret = sscanf(inbuf, "%i %i %i %i %i %i %i %i",
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&B[0], &B[1], &B[2], &B[3], &B[4], &B[5], &B[6], &B[7]);
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for (int i = 0; i != 8; i++){
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if (B[i] > Bm_pre[i]) Bm_pre[i] = B[i];
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}
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for (int i = 0; i != 8; i++){
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printf("B%i [%.*s] OUT: %3d PK: %3d\n", i, x, SB + x + (B[i]*x/100*-1), B[i], Bm[i]);
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}
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printf("\033[2J\033[H");
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if (i >= 10){
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memcpy(Bm, Bm_pre, sizeof Bm_pre);
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memset(Bm_pre, 0, sizeof Bm_pre);
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i = 0;
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}
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}
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return 0;
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}
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