fft-spark/main.c

49 lines
1.1 KiB
C

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