133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
#include <stdio.h>
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#include <stdlib.h> /* For exit() function */
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#include <unistd.h> /* For sleep() function */
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#include <signal.h>
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#include <string.h>
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unsigned int sleep(unsigned int seconds);
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#define FALSE 0
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#define TRUE 1
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#define SLEEP 2 /* Sleeping time in seconds */
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#define BLACK "00000000 00000000 00000000" /* off */
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#define WHITE "FFFFFFFF FFFFFFFF FFFFFFFF" /* >20º */
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#define CYAN "00000000 FFFFFFFF FFFFFFFF" /* >30º */
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#define BLUE "00000000 00000000 FFFFFFFF" /* >40º */
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#define GREEN "00000000 FFFFFFFF 00000000" /* >50º */
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#define YELLOW "FFFFFFFF FFFFFFFF 00000000" /* >60º */
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#define ORANGE "FFFFFFFF 33333333 00000000" /* >70º */
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#define RED "FFFFFFFF 00000000 00000000" /* >80º */
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#define PINK "FFFFFFFF 00000000 FFFFFFFF" /* >90º */
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/* #define DEF_PATH "/sys/class/hwmon/hwmon1/temp3_input" */
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int running = TRUE;
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void set_color(int celsius) {
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/* printf("Los grados son: %i\n", celsius); */
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int exitstatus = 0;
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if (celsius > 90000) { exitstatus = system("msi-rgb --base-port 4e --pulse " PINK); }
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else if (celsius > 80000) { exitstatus = system("msi-rgb --base-port 4e --pulse " RED); }
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else if (celsius > 70000) { exitstatus = system("msi-rgb --base-port 4e --pulse " ORANGE); }
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else if (celsius > 60000) { exitstatus = system("msi-rgb --base-port 4e --pulse " YELLOW); }
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else if (celsius > 50000) { exitstatus = system("msi-rgb --base-port 4e --pulse " GREEN); }
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else if (celsius > 40000) { exitstatus = system("msi-rgb --base-port 4e --pulse " BLUE); }
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else if (celsius > 30000) { exitstatus = system("msi-rgb --base-port 4e --pulse " CYAN); }
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else if (celsius > 20000) { exitstatus = system("msi-rgb --base-port 4e --pulse " WHITE); }
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else { exitstatus = system("msi-rgb --base-port 4e --pulse " BLACK); }
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if (exitstatus) running = FALSE;
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}
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void sig_handler(int signo)
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{
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if (signo == SIGUSR1) {
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fprintf(stderr, "\nINFO: Received SIGUSR1\n");
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running = FALSE;
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}
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else if (signo == SIGTERM) {
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fprintf(stderr, "\nINFO: Received SIGTERM\n");
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running = FALSE;
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}
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else if (signo == SIGINT) {
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fprintf(stderr, "\nINFO: Received SIGINT\n");
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running = FALSE;
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}
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else if (signo == SIGKILL)
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fprintf(stderr, "\nINFO: Received SIGKILL\n");
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else if (signo == SIGSTOP)
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fprintf(stderr, "\nINFO: Received SIGSTOP\n");
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else
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fprintf(stderr, "\nINFO: Received: %d", signo);
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}
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int main(int argc, char *argv[]) {
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int i;
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int cleanexit;
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int fscanf_ok;
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char c[8];
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char fileaddr[255];
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const char* env = getenv("RGBTEMP");
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FILE *fptr;
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switch (argc)
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{
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case 1:
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if (env != NULL) strcpy(fileaddr, env);
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else
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{
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fprintf(stderr, "RGBTEMP environment variable is empty.\n"
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"Please, supply a file in such variable or by command line.\n"
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"Exiting.\n");
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exit(2);
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}
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break;
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case 2:
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strcpy(fileaddr, argv[1]);
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break;
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default:
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fprintf(stderr, "\nWarning: incorrect number of args: %d.", argc);
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break;
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}
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if (signal(SIGUSR1, sig_handler) == SIG_ERR)
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fprintf(stderr, "WARNING: Can't catch SIGUSR1\n");
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if (signal(SIGTERM, sig_handler) == SIG_ERR)
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fprintf(stderr, "WARNING: Can't catch SIGTERM\n");
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if (signal(SIGINT, sig_handler) == SIG_ERR)
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fprintf(stderr, "WARNING: Can't catch SIGINT\n");
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/*if (signal(SIGKILL, sig_handler) == SIG_ERR)
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fprintf(stderr, "%s", "WARNING: Can't catch SIGKILL\n");
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if (signal(SIGSTOP, sig_handler) == SIG_ERR)
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fprintf(stderr, "%s", "WARNING: Can't catch SIGSTOP\n"); */
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while (running) {
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if ((fptr = fopen(fileaddr, "r")) == NULL) {
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fprintf(stderr, "ERROR: Opening file %s", fileaddr);
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/* Program exits if file pointer returns NULL. */
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exit(1);
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}
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/* Reads text until newline is encountered */
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fscanf_ok = fscanf(fptr, "%[^\n]", c);
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fclose(fptr);
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if (!fscanf_ok) { return 0; }
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i = atoi(c);
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set_color(i);
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sleep(SLEEP);
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}
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/* system("msi-rgb --disable --base-port 4e " WHITE); */
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cleanexit = system("msi-rgb --base-port 4e " BLACK); /* No pulsing */
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if (cleanexit) { return 1; }
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return 0;
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}
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