adding 'joystick->osc' soft

.gitignore

@@ -3,6 +3,7 @@ MANIFEST
 tarball
 
 osc2cursor
+osc-joy
 
 doc/*.toc
 doc/*.log

Makefile

@@ -9,4 +9,7 @@ OPTS = -Wall -g -DDEBUG_LEVEL=1
 osc2cursor:        osc2cursor.c ${DEPS} functions/libpocosc.a 
 	gcc ${OPTS} $< functions/libpocosc.a -llo -lcurses -o $@
 
+osc-joy:        osc-joy.c ${DEPS} functions/libpocosc.a 
+	gcc ${OPTS} $< functions/libpocosc.a -llo -o $@
+
 # ----------------------------------------------------

doc/gadgets-osc.tex

@@ -31,6 +31,18 @@ De quoi parle-t-on exactement ?
 
 % -------------------------------------------------------------------
 
+\subsection{osc-joy}
+
+\begin{verbatim}
+         * joystick -> osc       Aug  2 2019 *
+        -r      remote host (localhost)
+        -p      remote UDP port (9000)
+        -j      joystick device (/dev/input/js0)
+        -v      increase verbosity
+        -o      offset added to button number
+        -I      change text id ("suck my stick")
+\end{verbatim}
+
 \pagebreak
 \tableofcontents
 \printindex

osc-joy.c

@@ -0,0 +1,143 @@
+/*
+ *   Pour compiler :
+ *     gcc -Wall osc-joy.c -llo -o osc-joy
+ *
+ *   Options :
+ *        -j joydevice			default /dev/input/js0
+ *        -h destination (or IP addr)	default localhost 
+ *        -p destport			default is 9000
+ *        -o nnn			offset for button number
+ */  
+
+
+#include  <fcntl.h>
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+#include  <string.h>
+#include  <sys/ioctl.h>
+
+#include <linux/joystick.h>
+#include <lo/lo.h>
+
+#include  "functions/senders.h"
+
+/*   default values, can be changed on command line */
+
+#define REMOTE_HOST	"localhost"		/* just loling */
+#define REMOTE_PORT	"9000"
+#define	JOY_DEVICE	"/dev/input/js0"
+#define MY_TEXT_ID	"suck my stick"
+
+/* ----------------------------------------------------------------- */
+int		verbosity = 0;
+int		button_offset = 0;
+
+char		*my_id = MY_TEXT_ID;
+
+/* ----------------------------------------------------------------- */
+static void help(int k)
+{
+puts("\t * joystick -> osc       "__DATE__" *");
+puts("\t-r\tremote host ("REMOTE_HOST")");
+puts("\t-p\tremote UDP port ("REMOTE_PORT")");
+puts("\t-j\tjoystick device ("JOY_DEVICE")");
+puts("\t-v\tincrease verbosity");
+puts("\t-o\toffset added to button number");
+puts("\t-I\tchange text id (\""MY_TEXT_ID"\")");
+exit(0);
+}
+/* ----------------------------------------------------------------- */
+int main(int argc, char *argv[])
+{
+int		foo, joy_fd;
+struct js_event js;
+int		x_pos, y_pos, flag;
+char		joy_name[128];
+int		opt;
+char		*remote_host = REMOTE_HOST;
+char		*remote_port = REMOTE_PORT;
+char		*joy_device = JOY_DEVICE;
+
+/* parsing command line options */
+while ((opt = getopt(argc, argv, "hp:r:vj:o:I:")) != -1) {
+	switch (opt) {
+		case 'h':	help(0);		break;
+		case 'r':	remote_host = optarg;	break;
+		case 'p':	remote_port = optarg;	break;
+		case 'j':	joy_device = optarg;	break;
+		case 'v':	verbosity++;		break;
+		case 'o':	button_offset = atoi(optarg);
+				break;
+		case 'I':	my_id = optarg;		break;
+		default:	exit(1);		break;
+		}
+	}
+
+if (verbosity) {
+	fprintf(stderr, "%s is sending to %s:%s\n", argv[0],
+			remote_host, remote_port);
+	fprintf(stderr, "  the stick '%s'is on %s\n", my_id, joy_device);
+	} 
+
+lo_address t =  lo_address_new(remote_host, remote_port);
+
+if( ( joy_fd = open(joy_device , O_RDONLY)) == -1 ) {
+	fprintf(stderr, "Couldn't open %s\n", JOY_DEVICE);
+	exit(1);
+	}
+
+if (verbosity) {
+	if (ioctl(joy_fd, JSIOCGNAME(sizeof(joy_name)), joy_name) < 0)
+		strncpy(joy_name, "Unknown", sizeof(joy_name));
+	fprintf(stderr, "Name: %s\n", joy_name);
+	}
+
+send_data_id(t, my_id);
+
+x_pos = y_pos = 0;
+for (;;) {
+	foo = read(joy_fd, &js, sizeof(struct js_event));
+	if (8 != foo) {
+		fprintf(stderr, "err reading joy\n");
+		exit(1);
+		}
+
+	/* calibration datas ignored */
+	if (js.type > 128)	continue;
+
+	if (verbosity>1) {	
+		fprintf(stderr, "%10u  %2d  %2d %7d\n",
+			js.time, js.type, js.number, js.value);
+		}
+			
+	if (2==js.type)	{		/* oscillating stick */
+		flag = 0;
+		switch (js.number)
+			{
+			case 0:
+				x_pos = js.value;
+				flag = 1;
+				break;
+			case 1:
+				y_pos = js.value;
+				flag = 1;
+				break;
+			}
+				
+		if (flag) {
+			foo = send_data_xy(t, x_pos, y_pos);
+			flag = 0;
+			}			
+		}
+
+	if (1==js.type)	{		/* it's a button */
+		foo = send_data_button(t, js.number+button_offset,
+						 js.value);
+		}
+		
+	}
+	
+return 0;
+}
+/* ----------------------------------------------------------------- */