There is no documentation on libqt6c -> decided to switch to gtk+. Cleaned up the code a bit too.<\/p>\n\n\n\n
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <gtk\/gtk.h>
\/\/ Define the antenna names
#define ANTENNA1 \"6m beam\"
#define ANTENNA2 \"WARC beam\"
#define ANTENNA3 \"20-15-10 stack\"
#define ANTENNA4 \"40m beam\"
#define ANTENNA5 \"No antenna\"
#define ANTENNA6 \"No antenna\"
#define ANTENNA7 \"No antenna\"
#define ANTENNA8 \"No antenna\"
#define ANTENNA9 \"No antenna\"
#define ANTENNA10 \"No antenna\"
#define ANTENNA11 \"No antenna\"
#define ANTENNA12 \"No antenna\"
#define MAX_ANTENNAS 12
\/\/ Device for BM5
#define DEVICE \"\/dev\/serial\/by-id\/usb-FTDI_FT232R_USB_UART_B003ISA1-if00-port0\"
\/\/ Update every 100 msec
#define UPDATE 100
char *antennas[] = {ANTENNA1, ANTENNA2, ANTENNA3, ANTENNA4, ANTENNA5, ANTENNA6,
ANTENNA7, ANTENNA8, ANTENNA9, ANTENNA10, ANTENNA11, ANTENNA12};
#define MAX_SM 11
char *stack_match[] = {\"No antenna\", \"Top antenna\", \"Mid antenna\", \"Top+mid antennas\",
\"Bottom antenna\", \"Top+bot antennas\", \"Mid+bot antennas\",
\"All antennas\", \"AUX\", \"Unknown\", \"Phase\"};
int fd;
GtkWidget *ant, *sm;
struct packet {
unsigned char cmd;
unsigned char dst;
unsigned char src;
unsigned char channel;
int len;
unsigned char data[256];
};
int read_untilcr(int fd, char *buf, int maxlen) {
int pos = 0, bytes_rd;
while(1) {
if((bytes_rd = read(fd, buf + pos, 1)) < 0) return -1;
if(bytes_rd == 0) {
sleep(1); \/\/ could be less than 1sec
continue;
}
if(!pos && (*buf == '\\r' || *buf == '\\n')) continue;
if(pos == maxlen) return -1;
if(buf[pos] == '\\r') break;
pos++;
}
buf[pos] = '\\0';
return pos;
}
int parse_packet(char *str, struct packet *packet) {
memset((void *) packet, 0, sizeof(struct packet));
if(sscanf(str, \"[T%2xR%2x%2xH%2xM%[^]]\", &(packet->cmd), &(packet->dst), &(packet->src), &(packet->channel), &(packet->data)) != 5) return -1;
return 0;
}
void set_tty() {
struct termios param;
if(tcgetattr(fd, ¶m) < 0) {
fprintf(stderr, \"Status get failed.\\n\");
exit(1);
}
param.c_cflag &= ~PARENB;
param.c_cflag &= ~CSTOPB;
param.c_cflag |= CS8;
param.c_cflag &= ~CRTSCTS;
param.c_cflag |= CREAD | CLOCAL;
param.c_lflag &= ~ICANON;
param.c_lflag &= ~ECHO;
param.c_lflag &= ~ECHOE;
param.c_lflag &= ~ECHONL;
param.c_lflag &= ~ISIG;
param.c_iflag &= ~(IXON | IXOFF | IXANY);
param.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL);
param.c_oflag &= ~OPOST;
param.c_oflag &= ~ONLCR;
cfsetispeed(¶m, B57600);
cfsetospeed(¶m, B57600);
if(tcsetattr(fd, TCSANOW, ¶m) < 0) {
fprintf(stderr, \"Status set failed.\\n\");
exit(1);
}
}
static gboolean update_band_info(void *asd) {
int len, antenna, relay;
struct packet packet;
char buf[512], tr = 0;
if((len = read_untilcr(fd, buf, sizeof(buf))) < 0) {
fprintf(stderr, \"Read error.\\n\");
exit(1);
}
if(parse_packet(buf, &packet) < 0) {
printf(\"Incomplete packet -- skipping.\\n\");
return 1;
}
switch(packet.cmd) {
case 0xc4: \/\/ C4 = Bandmaster 5 status
if(sscanf(packet.data, \"0%1d01EEEEEEEEEEEE%4d\", &antenna, &relay) != 2) {
printf(\"Error extracting antenna & relay information.\");
antenna = 99;
}
if(antenna > 0 && antenna < MAX_ANTENNAS)
sprintf(buf, \"<span color='blue'>%s (relays = %d)<\/span>\", antennas[antenna-1], relay);
else
sprintf(buf, \"<span color='red'>Unknown<\/span>\");
gtk_label_set_markup(GTK_LABEL(ant), buf);
break;
case 0x45: \/\/ Stack match
sscanf(packet.data, \"%2x\", &antenna);
if(antenna >= 128) {
antenna -= 128; \/\/ transmitting
tr = 1;
}
if(antenna >= 0 && antenna < MAX_SM)
sprintf(buf, \"<span color='blue'>%s (%s)<\/span>\", stack_match[antenna], tr?\"TX\":\"RX\");
else
strcpy(buf, \"<span color='red'>Unknown state<\/span>\");
gtk_label_set_markup(GTK_LABEL(sm), buf);
break;
case 0x13: \/\/ decoder data
printf(\"Decoder data ignored.\\n\");
break;
default:
printf(\"Unknown packet (%x) - ignored.\\n\", packet.cmd);
}
return 1;
}
void closewin(GtkWidget *win, gpointer data) {
gtk_main_quit();
}
int main(int argc, char *argv[]) {
GtkWidget *window;
GtkWidget *ant_label, *sm_label, *hbox1, *hbox2, *vbox;
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), \"Antenna Status\");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 350, 60);
g_signal_connect(G_OBJECT(window), \"destroy\", G_CALLBACK(closewin), NULL);
ant_label = gtk_label_new(\"Antenna:\");
gtk_label_set_xalign(GTK_LABEL(ant_label), 0.0); \/\/ 0 = left, 1 = right
sm_label = gtk_label_new(\"Stack match:\");
gtk_label_set_xalign(GTK_LABEL(sm_label), 0.0);
ant = gtk_label_new(\"-----\");
gtk_label_set_xalign(GTK_LABEL(ant), 0.5);
sm = gtk_label_new(\"-----\");
gtk_label_set_xalign(GTK_LABEL(sm), 0.5);
hbox1 = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
hbox2 = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 2);
gtk_box_pack_start(GTK_BOX(hbox1), ant_label, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(hbox1), ant, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(hbox2), sm_label, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(hbox2), sm, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(vbox), hbox1, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(vbox), hbox2, TRUE, TRUE, 5);
gtk_container_add(GTK_CONTAINER(window), vbox);
if((fd = open(DEVICE, O_RDONLY)) < 0) {
fprintf(stderr, \"Can't open device.\\n\");
exit(1);
}
set_tty();
g_timeout_add(UPDATE, update_band_info, NULL);
gtk_widget_show_all(window);
gtk_main();
close(fd);
return 0;
}
<\/pre>\n\n\n\nCompile with (the above is in ant.c file): gcc ant.c -o ant -march=native `pkg-config –cflags –libs gtk+-3.0`<\/p>\n","protected":false},"excerpt":{"rendered":"
There is no documentation on libqt6c -> decided to switch to gtk+. Cleaned up the code a bit too. #include <stdio.h>#include <string.h>#include <stdlib.h>#include <fcntl.h>#include <unistd.h>#include <termios.h>#include <gtk\/gtk.h>\/\/ Define the antenna names#define ANTENNA1 “6m beam”#define ANTENNA2 “WARC beam”#define ANTENNA3 “20-15-10 stack”#define ANTENNA4 “40m beam”#define ANTENNA5 “No antenna”#define ANTENNA6 “No antenna”#define ANTENNA7 “No antenna”#define ANTENNA8 “No antenna”#define […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-109","post","type-post","status-publish","format-standard","hentry","category-ham_radio"],"_links":{"self":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts\/109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=109"}],"version-history":[{"count":1,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts\/109\/revisions"}],"predecessor-version":[{"id":110,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts\/109\/revisions\/110"}],"wp:attachment":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=109"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}