expand -h option

specific/Makefile

@@ -3,6 +3,8 @@
 OPTS = -Wall -g -DDEBUG_LEVEL=0
 
 
+all:	joy2laser
+
 laserblast.o:	laserblast.c Makefile
 	gcc -c ${OPTS} $< 
 

specific/README.md

@@ -1,4 +1,4 @@
 # joy2laser
 
-Kluge intuité pendant [Sonoptic 2020](https://sonoptic.net).
+Kluge intuité pendant [Sonoptic 2020](http://sonoptic.net).
 

specific/joy2laser.c

@@ -44,7 +44,7 @@ blast_addpoint(fx-SZ, fy-SZ, 0);
 
 blast_flush(0);
 
-return -1;
+return 0;
 }
 /* ------------------------------------------------------------------- */
 int xy_handler(const char *path, const char *types, lo_arg ** argv,
@@ -54,7 +54,7 @@ int		val_x, val_y;
 int		foo;
 
 #if DEBUG_LEVEL
-fprintf(stderr, "%s ( %s %s %d )\n", __func__, path, types, argc);
+fprintf(stderr, ">>> %s ( %s %s %d )\n", __func__, path, types, argc);
 #endif
 
 val_x = argv[0]->i;	val_y = argv[1]->i;
@@ -75,7 +75,14 @@ exit(1);
 int help(int k)
 {
 puts("HELP ME !");
-return 0;
+puts("\t-p NNN\t\tlocal listening port");
+puts("\t-R a.b.c.d\tremote host");
+puts("\t-P NNN\t\tremote port");
+puts("\t-L N\t\tlaser number");
+puts("\t-S N\t\tscene number");
+puts("\t-v\t\tincrease verbosity");
+
+return 1;
 }
 /* ------------------------------------------------------------------- */
 int main(int argc, char *argv[])
@@ -89,7 +96,7 @@ lo_server_thread	st;
 long			starttime;
 
 /* parsing command line options */
-while ((opt = getopt(argc, argv, "hp:vL:S:")) != -1) {
+while ((opt = getopt(argc, argv, "hp:vL:S:R:P:")) != -1) {
 	switch (opt) {
 		case 'h':	if (help(0)) exit(1);		break;
 		case 'p':	local_port = optarg;		break;
@@ -107,6 +114,7 @@ if (verbosity) {
 	fprintf(stderr, "local port : %s\n", local_port);
 	fprintf(stderr, "scene      : %d\n", scenenumber);
 	fprintf(stderr, "laser      : %d\n", lasernumber);
+	fprintf(stderr, "remote     : %s %s\n", remote_host, remote_port);
 	}
 
 foo = blast_init(remote_host, remote_port, scenenumber, lasernumber);

specific/laserblast.c

@@ -59,7 +59,7 @@ int	blast_addpoint(float x, float y, long col)
 char		buff[100];
 int		foo, sz;
 
-sz = sprintf(buff, "(%f, %f, %ld),", x, y, col);
+sz = sprintf(buff, "(%.2f, %.2f, %ld),", x, y, col);
 
 if (verbosity)
 	fprintf(stderr, "%s --> %s\n", __func__, buff);
@@ -80,6 +80,7 @@ int	blast_flush(void)
 int		foo;
 char		buffer[100];
 
+/* we have to kill the last ',' in the big buff before send */
 big_buffer[curpos-1] = ']';	big_buffer[curpos] = '\0';
 
 if (verbosity)