Initial commit.

ChangeLog

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+snapman (0.1) unstable; urgency=medium
+
+  * Release 0.1.
+    + First release.
+
+ -- Manuel Domínguez López <mdomlop@gmail.com > Wed, 03 Apr 2020 14:34:17 +0200

INFO

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+PROGRAM_NAME=RGB Temperature Monitor
+EXECUTABLE_NAME=rgbtemp
+DESCRIPTION=Change RGB colors according to temperature.
+VERSION=0.1
+AUTHOR=Manuel Domínguez López
+SOURCE=https://github.com/mdomlop/rgbtemp
+LICENSE=GPL-3

Makefile

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+PREFIX = '/usr'
+DESTDIR = ''
+CFLAGS = -march=native -mtune=native -O2 -ansi -pedantic -Wall
+
+
+PROGRAM_NAME := $(shell grep ^PROGRAM_NAME INFO | cut -d= -f2)
+EXECUTABLE_NAME := $(shell grep ^EXECUTABLE_NAME INFO | cut -d= -f2)
+VERSION := $(shell grep ^VERSION INFO | cut -d= -f2)
+
+ARCHPKG = $(EXECUTABLE_NAME)-$(VERSION)-1-any.pkg.tar.xz
+
+src/$(EXECUTABLE_NAME):
+
+install: install_executables install_services
+clean: arch_clean
+	rm -f src/$(EXECUTABLE_NAME)
+
+install_executables:
+	install -Dm 755 src/$(EXECUTABLE_NAME) $(DESTDIR)$(PREFIX)/bin/$(EXECUTABLE_NAME)
+
+install_services:
+	install -Dm 644 src/$(EXECUTABLE_NAME).service $(DESTDIR)/lib/systemd/system/$(EXECUTABLE_NAME).service
+
+uninstall:
+	rm -f $(PREFIX)/bin/$(EXECUTABLE_NAME)
+	rm -f /lib/systemd/system/$(EXECUTABLE_NAME).service
+
+arch_install: install_executables arch_install_services
+arch_install_services:
+	install -Dm644 src/$(EXECUTABLE_NAME).service $(DESTDIR)$(PREFIX)/lib/systemd/system/$(EXECUTABLE_NAME).service
+
+arch_pkg: $(ARCHPKG)
+$(ARCHPKG): PKGBUILD ChangeLog
+	makepkg -d
+	@echo
+	@echo Package done!
+	@echo You can install it as root with:
+	@echo pacman -U $@
+
+arch_clean:
+	rm -rf pkg
+	rm -f $(ARCHPKG)
+
+.PHONY: clean arch_pkg arch_clean

PKGBUILD

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+# Maintainer: Manuel Domínguez López <mdomlop at gmail dot com>
+
+_pkgver_year=2020
+_pkgver_month=04
+_pkgver_day=03
+
+pkgname=rgbtemp
+pkgver=0.1
+pkgrel=1
+pkgdesc='Change RGB colors according to temperature.'
+url='https://github.com/mdomlop/rgbtemp'
+source=()
+license=('GPL3')
+arch=('any')
+depends=('msi-rgb')
+changelog=ChangeLog
+
+build() {
+    cd "$startdir"
+    make
+    }
+
+package() {
+    cd "$startdir"
+    make arch_install DESTDIR="$pkgdir"
+}

README.md

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+![rgbtemp-preview](https://raw.githubusercontent.com/mdomlop/rgbtemp/master/rgbtemp.gif "rgbtemp running")
+
+RGB temperature monitor
+=======================
+
+Change RGB colors according to temperature.

src/rgbtemp.c

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+#include <stdio.h>
+#include <stdlib.h> /* For exit() function */
+#include <unistd.h> /* For sleep() function */
+#include <signal.h>
+
+unsigned int sleep(unsigned int seconds);
+
+#define FALSE 0
+#define TRUE  1
+
+#define BLACK  "00000000 00000000 00000000" /* off */
+#define WHITE  "FFFFFFFF FFFFFFFF FFFFFFFF" /* >2Fº */
+#define CYAN   "00000000 FFFFFFFF FFFFFFFF" /* >30º */
+#define BLUE   "00000000 00000000 FFFFFFFF" /* >40º */
+#define GREEN  "00000000 FFFFFFFF 00000000" /* >50º */
+#define YELLOW "FFFFFFFF FFFFFFFF 00000000" /* >60º */
+#define ORANGE "FFFFFFFF 33333333 00000000" /* >70º */
+#define RED    "FFFFFFFF 00000000 00000000" /* >80º */
+#define PINK   "FFFFFFFF 00000000 FFFFFFFF" /* >90º */
+
+char fileaddr[] = "/sys/class/hwmon/hwmon0/temp1_input";
+int running = TRUE;
+
+void set_color(int celsius) {
+    /* printf("Los grados son: %i\n", celsius); */
+    int exitstatus = 0;
+    if      (celsius > 90000) { exitstatus = system("msi-rgb --base-port 4e --pulse " PINK); }
+    else if (celsius > 80000) { exitstatus = system("msi-rgb --base-port 4e --pulse " RED); }
+    else if (celsius > 70000) { exitstatus = system("msi-rgb --base-port 4e --pulse " ORANGE); }
+    else if (celsius > 60000) { exitstatus = system("msi-rgb --base-port 4e --pulse " YELLOW); }
+    else if (celsius > 50000) { exitstatus = system("msi-rgb --base-port 4e --pulse " GREEN); }
+    else if (celsius > 40000) { exitstatus = system("msi-rgb --base-port 4e --pulse " BLUE); }
+    else if (celsius > 30000) { exitstatus = system("msi-rgb --base-port 4e --pulse " CYAN); }
+    else if (celsius > 20000) { exitstatus = system("msi-rgb --base-port 4e --pulse " WHITE); }
+    else {                      exitstatus = system("msi-rgb --base-port 4e --pulse " BLACK); }
+
+    if (exitstatus) running = FALSE;
+}
+
+void sig_handler(int signo)
+{
+    if (signo == SIGUSR1) {
+        fprintf(stderr, "\nINFO: Received SIGUSR1\n");
+        running = FALSE;
+    }
+    else if (signo == SIGTERM) {
+        fprintf(stderr, "\nINFO: Received SIGTERM\n");
+        running = FALSE;
+    }
+    else if (signo == SIGINT) {
+        fprintf(stderr, "\nINFO: Received SIGINT\n");
+        running = FALSE;
+    }
+    else if (signo == SIGKILL)
+        fprintf(stderr, "\nINFO: Received SIGKILL\n");
+    else if (signo == SIGSTOP)
+        fprintf(stderr, "\nINFO: Received SIGSTOP\n");
+    else
+        fprintf(stderr, "\nINFO: Received: %d", signo);
+}
+
+int main() {
+    int i;
+    int cleanexit;
+    int fscanf_ok;
+    char c[8];
+    FILE *fptr;
+
+    if (signal(SIGUSR1, sig_handler) == SIG_ERR)
+        fprintf(stderr, "WARNING: Can't catch SIGUSR1\n");
+    if (signal(SIGTERM, sig_handler) == SIG_ERR)
+        fprintf(stderr, "WARNING: Can't catch SIGTERM\n");
+    if (signal(SIGINT, sig_handler) == SIG_ERR)
+        fprintf(stderr, "WARNING: Can't catch SIGINT\n");
+    /*if (signal(SIGKILL, sig_handler) == SIG_ERR)
+        fprintf(stderr, "%s", "WARNING: Can't catch SIGKILL\n");
+    if (signal(SIGSTOP, sig_handler) == SIG_ERR)
+        fprintf(stderr, "%s", "WARNING: Can't catch SIGSTOP\n"); */
+
+    while (running) {
+    if ((fptr = fopen(fileaddr, "r")) == NULL) {
+        fprintf(stderr, "ERROR: Opening file");
+        /* Program exits if file pointer returns NULL. */
+        exit(1);
+    }
+
+    /* Reads text until newline is encountered */
+    fscanf_ok = fscanf(fptr, "%[^\n]", c);
+    fclose(fptr);
+
+    if (!fscanf_ok) { return 0; }
+
+    i = atoi(c);
+    set_color(i);
+    sleep(2);
+    }
+
+    /* system("msi-rgb --disable --base-port 4e " WHITE);  */
+    cleanexit = system("msi-rgb --base-port 4e " BLACK);  /* No pulsing */
+
+    if (cleanexit) { return 1; }
+
+    return 0;
+}

src/rgbtemp.service

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+[Unit]
+Description=Change RGB colors according to temperature
+
+[Service]
+Type=simple
+ExecStart=rgbtemp
+KillMode=process
+KillSignal=SIGUSR1
+
+[Install]
+WantedBy=multi-user.target