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# CHANGELOG #
#############
Version 0.2.3 (2016-02-28)
=========================
+ Added manpage
* Renamed some files
- No binary stripping
Version 0.2.2 (2015-04-25)
==========================
* Revised init scripts
Version 0.2.1 (2015-03-01)
==========================
+ Added packaging scripts for Debian and OpenWrt
Version 0.2 (2015-02-22)
========================
+ Added simple Geiger simulator
+ Added support for Safecast API
- Disabled IPv6
* Fixed timezone problem
* Minor bug fixes
Version 0.1 (2015-02-01)
========================
* First public release

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might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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OBJECTS = trim.o map.o logger.o ini.o tcpcli.o diygeiger.o gqgeiger.o gclog.o
CFLAGS += -Wall -Wextra -Os
#LDFLAGS +=
PREFIX ?= /usr
all: gclog
gclog: $(OBJECTS)
$(CC) $(LDFLAGS) -o $@ $(OBJECTS)
which upx >/dev/null 2>&1 && upx -9 -qq $@ || true
%.o: %.c
$(CC) $(CFLAGS) -c $<
install: all
install -d $(DESTDIR)$(PREFIX)/bin
install -d $(DESTDIR)/etc
install -d $(DESTDIR)/etc/init.d
install -d $(DESTDIR)$(PREFIX)/share/man/man1
install -m 755 gclog $(DESTDIR)$(PREFIX)/bin/
install -m 600 gclog.conf $(DESTDIR)/etc/
install -m 755 gclogd $(DESTDIR)/etc/init.d/
install -m 644 gclog.1 $(DESTDIR)$(PREFIX)/share/man/man1/
clean:
-rm $(OBJECTS) 2>/dev/null

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# Maintainer: Steffen Lange <gclog@stelas.de>
pkgname=gclog
pkgver=0.2.3
pkgrel=1
pkgdesc="Geiger Counter Logger"
arch=('i686' 'x86_64')
url="http://www.dateihal.de/cms/gclog"
license=('GPL3')
depends=('sh')
source=("http://www.dateihal.de/${pkgname}/${pkgname}-${pkgver}.tar.gz")
md5sums=('SKIP')
build() {
cd "$srcdir/$pkgname-$pkgver"
make
}
package() {
cd "$srcdir/$pkgname-$pkgver"
make DESTDIR="$pkgdir/" install
}

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___ Geiger Counter LOGger
\_/ Version 0.2.3
.--,O.--,
\/ \/ Copyright (C) 2014-16 Steffen Lange, gclog@stelas.de
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. See the file COPYING for details.
GCLOG is a lightweight daemon running in the background and
constantly reporting your Geiger counter readings to various
radiation monitoring websites. With a small footprint and
minimal dependencies it is aimed to run on Linux embedded
computers, like Raspberry Pi or TP-Link WR703N.
Supported Geiger counter devices:
- GQ Electronics GMC-280, GMC-300, GMC-300E, GMC-300E Plus, GMC-320 and
GMC-320 Plus
http://www.gqelectronicsllc.com/comersus/store/LeftStart.asp?idCategory=50
- DIY Geiger Kit GK-B5 and GK-Plus
https://sites.google.com/site/diygeigercounter/
- RH Electronics MyGeiger, MyGeiger 2, Universal SMT Kit and Arduino IDE Kit
http://www.rhelectronics.net/store/diy-geiger-counter-kit.html
- NET-IO Devices GC08 and GC10
http://www.netiodev.com/
- Arduino Geiger PCB
http://arduino-geiger-pcb.blogspot.de/
Supported radiation monitoring websites:
- radmon.org
- Safecast.org
- NETC.com
Please read the terms of service before using these websites.
Installation
------------
1. Download, untar and make
2. Copy daemon executable to /usr/local/bin/gclog
and configuration file to /etc/gclog.conf
3. Modify configuration to your needs
4. Start GCLOG: gclog -d -c /etc/gclog.conf
5. Monitor syslog
6. Stop GCLOG: killall gclog

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Packaging Geiger Counter Logger
===============================
OpenWrt
-------
Recipe from: https://wiki.openwrt.org/doc/howto/obtain.firmware.sdk
1. Download precompiled SDK (.tar.bz2 archive)
2. Copy openwrt/Makefile to <SDK>/package/gclog/
3. make package/gclog/download
4. make package/gclog/compile
5. IPK package is created in <SDK>/bin directory
Debian
------
Recipe from: https://wiki.debian.org/IntroDebianPackaging
1. apt-get install build-essential debhelper devscripts
2. Rename gclog-<version>.tar.gz to gclog_<version>.orig.tar.gz
3. Untar source archive
4. debuild -us -uc
5. DEB package is created in parent directory
RPM-based distro
----------------
1. Install gcc, make and rpm-build
2. Copy gclog-<version>.tar.gz to ~/rpmbuild/SOURCES/
3. rpmbuild -ba gclog.spec
4. RPM package is created in ~/rpmbuild/RPMS directory

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########
# TODO #
########
* Implement better logging and debug mode
* Multithreading: run I/O operations in separate threads
* HTTPS: add SSL support to TCP client
* Support for Radioactive@Home (BOINC platform)
* Plugins: interfaces for radiation monitoring websites
and Geiger counter communication protocols

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gclog (0.2.3-1) unstable; urgency=low
* Minor fixes
-- Steffen Lange <gclog@stelas.de> Sun, 28 Feb 2016 12:00:00 +0100
gclog (0.2.2-1) unstable; urgency=low
* New upstream release
-- Steffen Lange <gclog@stelas.de> Sat, 25 Apr 2015 12:00:00 +0200
gclog (0.2.1-1) unstable; urgency=low
* Initial package of version 0.2.1
-- Steffen Lange <gclog@stelas.de> Sat, 28 Feb 2015 12:00:00 +0100

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9

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Source: gclog
Section: misc
Priority: optional
Maintainer: Steffen Lange <gclog@stelas.de>
Build-Depends: debhelper (>= 9)
Standards-Version: 3.9.7
Homepage: http://www.dateihal.de/cms/gclog
Package: gclog
Architecture: any
Depends: ${shlibs:Depends}, ${misc:Depends}
Description: Geiger Counter Logger
GCLOG is a lightweight daemon running in the background and
constantly reporting your Geiger counter readings to various
radiation monitoring websites.

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Copyright (C) 2014-16 Steffen Lange
This is free software, licensed under the GNU General Public License v3.
See /usr/share/common-licenses/GPL-3 for more information.

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README
README.Packaging
TODO

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gclog.1

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#!/usr/bin/make -f
export DEB_BUILD_HARDENING=1
%:
dh $@
# quick file permission fix
override_dh_fixperms:
dh_fixperms -Xetc/gclog.conf

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3.0 (quilt)

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#include "diygeiger.h"
int diy_open(const char *device) {
int fd = -1;
struct termios tio;
memset(&tio, 0, sizeof(struct termios));
tio.c_cflag = CS8 | CREAD | CLOCAL; // 8n1
tio.c_cc[VMIN] = 0;
tio.c_cc[VTIME] = 5;
if ((fd = open(device, O_RDWR)) != -1) {
if (cfsetspeed(&tio, B9600) == 0) // 9600 baud
if (tcsetattr(fd, TCSANOW, &tio) == 0)
// Return file descriptor,
return fd;
// ... otherwise close device.
close(fd);
fd = -1;
}
return fd;
}
void diy_close(int device) {
close(device);
}
int diy_get_cpm(int device) {
char buf[13] = { 0 };
// Arduino sends 10-digit decimal number (unsigned long) plus tailing "\r\n".
diy_read(device, buf, 12);
return atoi(buf);
}
int diy_read(int device, char *buf, unsigned int len) {
unsigned int n;
ssize_t rcvd = 0;
char *inp = &buf[0];
for (n = 0; n < len; n++) {
rcvd += read(device, inp, 1);
inp = &buf[rcvd];
if (rcvd >= len)
break;
}
return rcvd;
}

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#ifndef _DIYGEIGER_H_
#define _DIYGEIGER_H_
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <sys/stat.h>
/*
Specification of GC10 Data I/O Interface: http://netiodev.com/GC10/GC10_UART_SPEC.pdf
*/
int diy_open(const char *device);
void diy_close(int device);
int diy_get_cpm(int device);
int diy_read(int device, char *buf, unsigned int len);
#endif

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.TH GCLOG 1 "February 2016" "GCLOG 0.2" "Geiger Counter Logger"
.SH NAME
.B gclog
\- Geiger Counter Logger Daemon
.SH SYNOPSIS
.B gclog
.RB [ \-c
.IR file ]
.RB [ \-d ]
.SH DESCRIPTION
\fBGCLOG\fP is a lightweight daemon running in the background and constantly reporting your Geiger counter readings to various radiation monitoring websites. With a small footprint and minimal dependencies it is aimed to run on Linux embedded computers.
.SH OPTIONS
.TP
.B -c \fIfile\fP
Load configuration from file.
.TP
.B -d
Activate verbose mode.
.SH CONFIGURATION FILE OPTIONS
.TP
.B device.type
Geiger counter type:
\fBgq\fP - GQ GMC Geiger Counter (GQ-RFC1201 protocol)
\fBdiy\fP - DIY/MyGeiger/NET-IO Geiger Kit or compatible
\fBsim\fP - Geiger simulator (reads 12 cpm)
.TP
.B device.port
Serial device filename.
Example: \fI/dev/ttyUSB0\fP
.TP
.B location
Name of your sensor location (required for Safecast).
Example: Berlin, DE
.TP
.B latitude
Latitude of your sensor position (required for Safecast).
Example: 52.5163
.TP
.B longitude
Longitude of your sensor position (required for Safecast).
Example: 13.3777
.TP
.B interval
Polling interval in seconds.
Range: 60..3600
.TP
.B radmon.user
Your forum username (required for radmon).
.TP
.B radmon.pass
Your password received via PM from `mw0uzo' (required for radmon).
.TP
.B safecast.key
Your API key is listed on your profile page (required for Safecast).
.TP
.B safecast.device
Find your device ID on the Safecast list (required for Safecast).
.TP
.B netc.id
First use their `\fIwapp4netc.exe\fP' software to register your Geiger counter ID (required for Nuclear Emergency Tracking Center).
.SH AUTHOR
Steffen Lange (gclog@stelas.de)

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#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "logger.h"
#include "ini.h"
#include "diygeiger.h"
#include "gqgeiger.h"
#include "tcpcli.h"
#define GCLOG_VERSION "0.2.3"
#define GCLOG_BUILD "2016-02-28"
#define BUF_SIZE 1000
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif
enum EGeiger { SIM, DIY, GQ };
static const char *GeigerNames[] = { "Geiger simulator", "DIY/MyGeiger/NET-IO Geiger Kit", "GQ GMC Geiger Counter" };
static volatile bool Running = true;
int div_round_closest(int n, int d) {
return (n < 0) ^ (d < 0) ? (n - d/2) / d : (n + d/2) / d;
}
char * string_copy(const char *src) {
char *dst = calloc(strlen(src) + 1, sizeof(char));
strcpy(dst, src);
return dst;
}
bool string_isset(char *str) {
return str != NULL && strlen(str) > 0;
}
void try_free(char *buf) {
if (buf != NULL)
free(buf);
}
void signal_handler(int sig) {
switch (sig) {
case SIGTERM:
case SIGINT:
case SIGQUIT:
case SIGHUP:
Running = false;
default:
break;
}
}
int geiger_open(enum EGeiger type, const char *device) {
int fd = -1;
time_t t = time(NULL);
struct tm *tm = gmtime(&t);
if (type == GQ) {
if ((fd = gq_open(device)) != -1) {
gq_set_date(fd, tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
gq_set_time(fd, tm->tm_hour, tm->tm_min, tm->tm_sec);
}
}
else if (type == DIY) {
fd = diy_open(device);
}
else if (type == SIM) {
fd = STDIN_FILENO;
}
return fd;
}
void geiger_close(enum EGeiger type, int device) {
if (type == GQ)
gq_close(device);
else if (type == DIY)
diy_close(device);
}
int geiger_get_cpm(enum EGeiger type, int device) {
if (type == GQ)
return gq_get_cpm(device);
else if (type == DIY)
return diy_get_cpm(device);
else if (type == SIM)
return 12; // Guaranteed to be random. :-)
return 0;
}
bool send_netc(const char *id, int cpm) {
char *req;
int sock;
char buf[BUF_SIZE] = { 0 };
asprintf(&req, "GET /push.php?id=%s&v=w32_1.1.3.1085&c=%d HTTP/1.1\r\nHost: radiation.netc.com\r\n\r\n", id, cpm);
if ((sock = tcp_connect("radiation.netc.com", "80")) != -1) {
tcp_send(sock, req);
tcp_receive(sock, buf, BUF_SIZE);
tcp_close(sock);
}
free(req);
return sock != -1 && strstr(buf, "Ok.") != NULL;
}
bool send_radmon(const char *user, const char *pass, int cpm, const struct tm *tm) {
char ch[22], *req;
int sock;
char buf[BUF_SIZE] = { 0 };
strftime(ch, 22, "%Y-%m-%d%%20%H:%M:%S", tm);
asprintf(&req, "GET /radmon.php?user=%s&password=%s&function=submit&datetime=%s&value=%d&unit=CPM HTTP/1.1\r\nHost: www.radmon.org\r\n\r\n", user, pass, ch, cpm);
if ((sock = tcp_connect("www.radmon.org", "80")) != -1) {
tcp_send(sock, req);
tcp_receive(sock, buf, BUF_SIZE);
tcp_close(sock);
}
free(req);
return sock != -1 && strstr(buf, "Incorrect login.") == NULL;
}
bool send_safecast(const char *key, unsigned int dev, int cpm, const struct tm *tm, float lat, float lng, const char *loc) {
char ch[21], *pld, *req;
int sock;
char buf[BUF_SIZE] = { 0 };
strftime(ch, 21, "%Y-%m-%dT%H:%M:%SZ", tm);
asprintf(&pld, "{\"latitude\":\"%.4f\",\"longitude\":\"%.4f\",\"location_name\":\"%s\",\"device_id\":\"%u\",\"captured_at\":\"%s\",\"value\":\"%d\",\"unit\":\"cpm\"}", lat, lng, loc, dev, ch, cpm);
asprintf(&req, "POST /measurements.json?api_key=%s HTTP/1.1\r\nHost: api.safecast.org\r\nContent-Type: application/json\r\nContent-Length: %zu\r\n\r\n%s", key, strlen(pld), pld);
if ((sock = tcp_connect("api.safecast.org", "80")) != -1) {
tcp_send(sock, req);
tcp_receive(sock, buf, BUF_SIZE);
tcp_close(sock);
}
free(pld);
free(req);
return sock != -1 && strstr(buf, "201 Created") != NULL;
}
void print_usage() {
printf(" ___ Geiger Counter LOGger daemon\n");
printf(" \\_/ Version %s (Build %s)\n", GCLOG_VERSION, GCLOG_BUILD);
printf(".--,O.--,\n");
printf(" \\/ \\/ Copyright (C) 2014-16 Steffen Lange, gclog@stelas.de\n\n");
printf("This program comes with ABSOLUTELY NO WARRANTY.\n");
printf("This is free software, and you are welcome to redistribute it\n");
printf("under certain conditions. See the file COPYING for details.\n\n");
printf("Usage: gclog -c <file> [-d]\n");
printf(" -c <file> load configuration from file\n");
printf(" -d activate verbose mode\n\n");
}
int main(int argc, char *argv[]) {
bool debug = false;
unsigned int interval = 60;
enum EGeiger device_type = SIM;
char *device_port = NULL;
float latitude = 0.0, longitude = 0.0;
char *location = NULL;
char *netc_id = NULL;
char *radmon_user = NULL, *radmon_pass = NULL;
char *safecast_key = NULL;
unsigned int safecast_device = 0;
print_usage();
pid_t pid;
if ((pid = fork()) == -1) {
fprintf(stderr, "%s: fork() failed.\n", argv[0]);
exit(EXIT_FAILURE);
}
if (pid > 0) {
// Luke, I'm your father.
exit(EXIT_SUCCESS);
}
if (setsid() == -1) {
fprintf(stderr, "%s: setsid() failed.\n", argv[0]);
exit(EXIT_FAILURE);
}
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGHUP, signal_handler);
log_open("gclog");
int opt;
struct map_t *ini;
char *val;
while ((opt = getopt(argc, argv, "c:d")) != -1) {
switch (opt) {
case 'd':
debug = true;
break;
case 'c':
ini = load_ini(optarg);
if ((val = map_get(ini, "interval")) != NULL)
interval = MAX(atoi(val), 1);
if ((val = map_get(ini, "device.type")) != NULL) {
if (strcmp(val, "sim") == 0)
device_type = SIM;
else if (strcmp(val, "diy") == 0)
device_type = DIY;
else if (strcmp(val, "gq") == 0)
device_type = GQ;
}
if ((val = map_get(ini, "device.port")) != NULL)
device_port = string_copy(val);
if ((val = map_get(ini, "latitude")) != NULL)
latitude = MIN(MAX(atof(val), -90.0), 90.0);
if ((val = map_get(ini, "longitude")) != NULL)
longitude = MIN(MAX(atof(val), -180.0), 180.0);
if ((val = map_get(ini, "location")) != NULL)
location = string_copy(val);
if ((val = map_get(ini, "netc.id")) != NULL)
netc_id = string_copy(val);
if ((val = map_get(ini, "radmon.user")) != NULL)
radmon_user = string_copy(val);
if ((val = map_get(ini, "radmon.pass")) != NULL)
radmon_pass = string_copy(val);
if ((val = map_get(ini, "safecast.key")) != NULL)
safecast_key = string_copy(val);
if ((val = map_get(ini, "safecast.device")) != NULL)
safecast_device = atoi(val);
map_free(ini);
break;
default:
break;
}
}
if (debug)
printf("Configuration:\n\t\t%s on %s,\n\t\tLocation: %s (%f, %f)\n\t\tnetc.com: %s,\n\t\tradmon.org: %s / %s,\n\t\tsafecast.org: %s (Device ID %u),\n\t\t%us interval\n\n", GeigerNames[device_type], device_port, location, latitude, longitude, netc_id, radmon_user, radmon_pass, safecast_key, safecast_device, interval);
int fd = -1;
if (string_isset(device_port) && ((fd = geiger_open(device_type, device_port)) != -1)) {
fclose(stdin);
fclose(stdout);
fclose(stderr);
time_t last = time(NULL);
int cpm, sum = 0, count = 0;
while (Running) {
if ((cpm = geiger_get_cpm(device_type, fd)) > 0) {
sum += cpm;
count++;
}
if (difftime(time(NULL), last) >= interval) {
if (count > 0) {
struct tm *tm = gmtime(&last);
cpm = div_round_closest(sum, count);
if (debug) {
char *cpmstr;
asprintf(&cpmstr, "CPM: %d (= %d/%d), Timestamp: %s", cpm, sum, count, asctime(tm));
log_inform(cpmstr);
free(cpmstr);
}
if (string_isset(netc_id))
if(!send_netc(netc_id, cpm))
log_warn("Upload to netc.com failed.");
if (string_isset(radmon_user) && string_isset(radmon_pass))
if (!send_radmon(radmon_user, radmon_pass, cpm, tm))
log_warn("Upload to radmon.org failed.");
if (string_isset(safecast_key) && string_isset(location))
if(!send_safecast(safecast_key, safecast_device, cpm, tm, latitude, longitude, location))
log_warn("Upload to safecast.org failed.");
time(&last);
sum = count = 0;
}
else
log_exclaim("Reading ZERO value from Geiger tube.");
}
// Let the cpu breathe.
sleep(1);
}
geiger_close(device_type, fd);
}
else
perror("FATAL ERROR: Could not access Geiger counter");
try_free(device_port);
try_free(location);
try_free(netc_id);
try_free(radmon_user);
try_free(radmon_pass);
try_free(safecast_key);
log_close();
return fd == -1 ? EXIT_FAILURE : EXIT_SUCCESS;
}

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############################################
# Geiger Counter LOGger configuration file #
############################################
# Geiger counter type:
# 'gq' -> GQ GMC Geiger Counter (GQ-RFC1201 protocol)
# 'diy' -> DIY/MyGeiger/NET-IO Geiger Kit or compatible
########################################################
#device.type=diy
device.type=gq
# Serial device filename
########################
device.port=/dev/ttyUSB0
# GPS location of your sensor; required for Safecast
####################################################
location=Berlin, DE
latitude=52.5163
longitude=13.3777
# Polling interval in seconds (60..3600)
########################################
interval=60
#########################################################################
# radmon.org #
# Enter your forum nickname and password received via PM from 'mw0uzo'. #
#########################################################################
#radmon.user=mynick
#radmon.pass=mypass
################################################
# Safecast.org #
# Your API key is listed on your profile page. #
# Find your device ID on the Safecast list. #
################################################
#safecast.key=abcdefghijklmnopqrst
#safecast.device=108
################################################################################
# Nuclear Emergency Tracking Center (NETC.com) #
# First use their 'wapp4netc.exe' software to register your Geiger counter ID. #
################################################################################
#netc.id=ABCDEF012

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Name: gclog
Version: 0.2.3
Release: 1%{?dist}
Summary: Geiger Counter Logger
License: GPLv3
Group: Applications/System
Url: http://www.dateihal.de/cms/gclog
Source0: http://www.dateihal.de/%{name}/%{name}-%{version}.tar.gz
%description
GCLOG is a lightweight daemon running in the background and
constantly reporting your Geiger counter readings to various
radiation monitoring websites.
%prep
%setup -q
%build
make %{?_smp_mflags}
%install
make install DESTDIR=%{buildroot}
%clean
make clean
%preun
/sbin/service gclogd stop || :
if [ "$1" = "0" ]; then
/sbin/chkconfig --del gclogd
fi
%post
if [ "$1" = "1" ]; then
/sbin/chkconfig --add gclogd
fi
%files
%defattr(-, root, root)
%{_bindir}/gclog
%{_sysconfdir}/init.d/gclogd
%config(noreplace) %{_sysconfdir}/gclog.conf
%{_mandir}/man1/gclog.1*
%doc README* CHANGELOG TODO COPYING
%changelog
* Sun Feb 28 2016 Steffen Lange <gclog@stelas.de> 0.2.3-1
- Minor fixes
* Sat Apr 25 2015 Steffen Lange <gclog@stelas.de> 0.2.2-1
- New upstream release
* Wed Mar 18 2015 Steffen Lange <gclog@stelas.de> 0.2.1-1
- Initial package of version 0.2.1

30
gclogd Executable file
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#!/bin/sh
# chkconfig: 235 80 20
### BEGIN INIT INFO
# Provides: gclogd
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: 2 3 5
# Default-Stop: 0 1 6
# Short-Description: Geiger Counter Logger
### END INIT INFO
case "$1" in
start)
/usr/bin/gclog -c /etc/gclog.conf
;;
stop)
/usr/bin/killall gclog
;;
force-reload|restart)
$0 stop
sleep 1
$0 start
;;
*)
echo "Usage: $0 {start|stop|restart|force-reload}" >&2
exit 3
;;
esac
exit 0

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gqgeiger.c Normal file
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#include "gqgeiger.h"
int gq_open(const char *device) {
int fd = -1;
struct termios tio;
memset(&tio, 0, sizeof(struct termios));
tio.c_cflag = CS8 | CREAD | CLOCAL; // 8n1
tio.c_cc[VMIN] = 0;
tio.c_cc[VTIME] = 5;
if ((fd = open(device, O_RDWR)) != -1) {
if (cfsetspeed(&tio, B57600) == 0) // 57600 baud
if (tcsetattr(fd, TCSANOW, &tio) == 0)
// Turn off heartbeat,
if (gq_set_heartbeat_off(fd))
return fd;
// ... otherwise close device.
close(fd);
fd = -1;
}
return fd;
}
void gq_close(int device) {
close(device);
}
int gq_get_cpm(int device) {
const char cmd[] = "<GETCPM>>";
char buf[3] = { 0 };
if (gq_write(device, cmd) == (ssize_t) strlen(cmd))
gq_read(device, buf, 2);
return buf[0] * 256 + buf[1];
}
bool gq_set_heartbeat_off(int device) {
const char cmd[] = "<HEARTBEAT0>>";
if (gq_write(device, cmd) == (ssize_t) strlen(cmd))
return gq_flush(device);
return false;
}
bool gq_set_date(int device, int year, int month, int day) {
char y[] = "<SETDATEYY >>";
char m[] = "<SETDATEMM >>";
char d[] = "<SETDATEDD >>";
y[10] = year - 2000;
m[10] = month;
d[10] = day;
return gq_write_ack(device, y) && gq_write_ack(device, m) && gq_write_ack(device, d);
}
bool gq_set_time(int device, int hour, int minute, int second) {
char h[] = "<SETTIMEHH >>";
char m[] = "<SETTIMEMM >>";
char s[] = "<SETTIMESS >>";
h[10] = hour;
m[10] = minute;
s[10] = second;
return gq_write_ack(device, h) && gq_write_ack(device, m) && gq_write_ack(device, s);
}
bool gq_write_ack(int device, const char *cmd) {
char ch;
if (gq_write(device, cmd) == (ssize_t) strlen(cmd))
if (gq_read(device, &ch, 1) == 1 && ch == '\xAA')
return true;
return false;
}
int gq_write(int device, const char *cmd) {
return write(device, cmd, strlen(cmd));
}
int gq_read(int device, char *buf, unsigned int len) {
unsigned int n;
ssize_t rcvd = 0;
char *inp = &buf[0];
for (n = 0; n < len; n++) {
rcvd += read(device, inp, 1);
inp = &buf[rcvd];
if (rcvd >= len)
break;
}
return rcvd;
}
bool gq_flush(int device) {
int i;
char ch;
for (i = 0; i < 10; i++) {
if (read(device, &ch, 1) == 0)
return true;
}
return false;
}

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gqgeiger.h Normal file
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#ifndef _GQGEIGER_H_
#define _GQGEIGER_H_
#include <stdbool.h>
#include <string.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <sys/stat.h>
/*
GQ Geiger Counter Communication Protocol: http://www.gqelectronicsllc.com/download/GQ-RFC1201.txt
*/
int gq_open(const char *device);
void gq_close(int device);
int gq_get_cpm(int device);
bool gq_set_heartbeat_off(int device);
bool gq_set_date(int device, int year, int month, int day);
bool gq_set_time(int device, int hour, int minute, int second);
bool gq_write_ack(int device, const char *cmd);
int gq_write(int device, const char *cmd);
int gq_read(int device, char *buf, unsigned int len);
bool gq_flush(int device);
#endif

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ini.c Normal file
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#include "ini.h"
struct map_t * load_ini(const char *file) {
struct map_t *map;
FILE *fh;
char buf[INI_LINELEN];
char *s, *val;
map = map_create();
if ((fh = fopen(file, "r"))) {
while (fgets(buf, INI_LINELEN, fh)) {
// Chomp newline.
buf[strlen(buf) - 1] = '\0';
// Suppress comment.
if ((s = strchr(buf, '#')))
*s = '\0';
if ((val = strchr(buf, '='))) {
// Split into trimmed key and value...
*val++ = '\0';
s = trim(buf);
trim(val);
// ...and store in map.
map_set(map, s, val);
}
}
fclose(fh);
}
return map;
}

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ini.h Normal file
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#ifndef _INI_H_
#define _INI_H_
#include <stdio.h>
#include "trim.h"
#include "map.h"
#define INI_LINELEN 100
struct map_t * load_ini(const char *file);
#endif

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logger.c Normal file
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#include "logger.h"
void log_open(const char *name) {
openlog(name, LOG_CONS | LOG_PID, LOG_LOCAL3);
}
void log_close() {
closelog();
}
void log_inform(const char *msg) {
syslog(LOG_NOTICE, "%s", msg);
}
void log_warn(const char *msg) {
syslog(LOG_WARNING, "[WARNING] %s", msg);
}
void log_exclaim(const char *msg) {
syslog(LOG_ERR, "[ERROR] %s", msg);
}

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logger.h Normal file
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#ifndef _LOGGER_H_
#define _LOGGER_H_
#include <syslog.h>
void log_open(const char *name);
void log_close();
void log_inform(const char *msg);
void log_warn(const char *msg);
void log_exclaim(const char *msg);
#endif

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map.c Normal file
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#include "map.h"
struct map_t * map_create() {
return calloc(1, sizeof(struct map_t));
}
void map_free(struct map_t *map) {
struct map_t *m, *tmp;
m = map;
while (m) {
if (m->key)
free(m->key);
if (m->value)
free(m->value);
tmp = m;
m = m->next;
free(tmp);
}
}
char * map_get(struct map_t *map, const char *key) {
struct map_t *m;
for (m = map; m != NULL; m = m->next) {
if (m->key && !strcasecmp(key, m->key))
return m->value;
}
return NULL;
}
void map_set(struct map_t *map, const char *key, const char *val) {
struct map_t *m;
m = map;
// Map not empty?
if (m->key) {
for ( ; ; m = m->next) {
// Key exists, freeing strings for reuse.
if (!strcasecmp(key, m->key)) {
free(m->key);
free(m->value);
break;
}
// Last element, adding a new one.
else if (!m->next) {
m->next = calloc(1, sizeof(struct map_t));
m = m->next;
break;
}
}
}
// Add key and value.
m->key = calloc(strlen(key) + 1, sizeof(char));
strcpy(m->key, key);
m->value = calloc(strlen(val) + 1, sizeof(char));
strcpy(m->value, val);
}

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#ifndef _MAP_H_
#define _MAP_H_
#include <stdlib.h>
#include <string.h>
struct map_t {
char *key;
char *value;
struct map_t *next;
};
struct map_t * map_create();
void map_free(struct map_t *map);
char * map_get(struct map_t *map, const char *key);
void map_set(struct map_t *map, const char *key, const char *val);
#endif

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openwrt/Makefile Normal file
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#
# Copyright (C) 2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=gclog
PKG_VERSION:=0.2.3
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://www.dateihal.de/$(PKG_NAME)
#PKG_MD5SUM:=
include $(INCLUDE_DIR)/package.mk
define Package/gclog
SECTION:=utils
CATEGORY:=Utilities
TITLE:=Geiger Counter Logger
URL:=http://www.dateihal.de/cms/gclog
MAINTAINER:=Steffen Lange <gclog@stelas.de>
endef
define Package/gclog/description
GCLOG is a lightweight daemon running in the background and
constantly reporting your Geiger counter readings to various
radiation monitoring websites.
endef
define Package/gclog/conffiles
/etc/gclog.conf
endef
define Package/gclog/install
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_DIR) $(1)/etc
$(INSTALL_DIR) $(1)/etc/init.d
$(INSTALL_BIN) $(PKG_BUILD_DIR)/gclog $(1)/usr/bin/
$(INSTALL_CONF) $(PKG_BUILD_DIR)/gclog.conf $(1)/etc/
$(INSTALL_BIN) $(PKG_BUILD_DIR)/openwrt/gclogd $(1)/etc/init.d/
endef
$(eval $(call BuildPackage,gclog))

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openwrt/buildenv.sh Executable file
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#!/bin/bash
# Setup buildroot
# ---------------
# 1. Download OpenWrt SDK, ex. Barrier Breaker 14.07 for ar71xx architecture:
# http://downloads.openwrt.org/barrier_breaker/14.07/ar71xx/generic/OpenWrt-SDK-ar71xx-for-linux-x86_64-gcc-4.8-linaro_uClibc-0.9.33.2.tar.bz2
# 2. Extract archive to ~/OpenWrt
# 3. Modify toolchain path if needed
# 4. Execute "source buildenv.sh"
export STAGING_DIR="~/OpenWrt/staging_dir"
export CC="${STAGING_DIR}/toolchain-mips_34kc_gcc-4.8-linaro_uClibc-0.9.33.2/bin/mips-openwrt-linux-gcc"
echo 'Build environment set, now run "make".'

16
openwrt/gclogd Executable file
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#!/bin/sh /etc/rc.common
# GCLOG init script
# Copyright (C) 2007 OpenWrt.org
START=99
STOP=20
start() {
echo start
/usr/bin/gclog -c /etc/gclog.conf
}
stop() {
echo stop
/usr/bin/killall gclog
}

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tcpcli.c Normal file
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#include "tcpcli.h"
int tcp_connect(const char *host, const char *port) {
int sock = -1;
struct addrinfo hints, *res;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_INET; // AF_INET, AF_INET6 or AF_UNSPEC
hints.ai_socktype = SOCK_STREAM;
if (getaddrinfo(host, port, &hints, &res) == 0) {
if ((sock = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) != -1)
if (connect(sock, res->ai_addr, res->ai_addrlen) == -1) {
close(sock);
sock = -1;
}
freeaddrinfo(res);
}
return sock;
}
void tcp_close(int sock) {
close(sock);
}
int tcp_send(int sock, const char *str) {
return send(sock, str, strlen(str), 0);
}
int tcp_receive(int sock, char *buffer, unsigned int size) {
ssize_t n;
if ((n = recv(sock, buffer, size - 1, 0)) >= 0)
buffer[n] = '\0'; // Terminate string.
return n;
}

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#ifndef _TCPCLI_H_
#define _TCPCLI_H_
#include <string.h>
#include <netdb.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
int tcp_connect(const char *host, const char *port);
void tcp_close(int sock);
int tcp_send(int sock, const char *str);
int tcp_receive(int sock, char *buffer, unsigned int size);
#endif

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trim.c Normal file
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#include "trim.h"
char * ltrim(char *s) {
char *start = s;
// Find first non-whitespace character.
while (isspace(*start))
start++;
// Move string part to beginning, including null terminator.
memmove(s, start, strlen(start) + 1);
return s;
}
char * rtrim(char *s) {
char *end = s + strlen(s);
// Find last non-whitespace character.
while ((end != s) && isspace(*(end - 1)))
end--;
// Mark new string endpoint.
*end = '\0';
return s;
}
char * trim(char *s) {
return ltrim(rtrim(s));
}

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trim.h Normal file
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#ifndef _TRIM_H_
#define _TRIM_H_
#include <ctype.h>
#include <string.h>
char * ltrim(char *s);
char * rtrim(char *s);
char * trim(char *s);
#endif