utils: move rds out of it, placing at contrib

The rds/ dir isn't a core RDS set of utilities, but something else.

Move it to contrib/

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

4 files changed, 147 insertions, 0 deletions

diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 7de015cf..d41dc539 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -1,5 +1,11 @@
 if LINUX_OS
 SUBDIRS = test xc3028-firmware
+
+if HAVE_LINUX_I2C_DEV
+SUBDIRS += \
+	rds-saa6588
+endif
+
 else
 SUBDIRS = freebsd
 endif
diff --git a/contrib/rds-saa6588/.gitignore b/contrib/rds-saa6588/.gitignore
new file mode 100644
index 00000000..101db6e9
--- /dev/null
+++ b/contrib/rds-saa6588/.gitignore
@@ -0,0 +1 @@
+rds-saa6588
diff --git a/contrib/rds-saa6588/Makefile.am b/contrib/rds-saa6588/Makefile.am
new file mode 100644
index 00000000..a551d9fb
--- /dev/null
+++ b/contrib/rds-saa6588/Makefile.am
@@ -0,0 +1,3 @@
+noinst_PROGRAMS = rds-saa6588
+
+rds_saa6588_SOURCES = rds-saa6588.c
diff --git a/contrib/rds-saa6588/rds-saa6588.c b/contrib/rds-saa6588/rds-saa6588.c
new file mode 100644
index 00000000..9f40872f
--- /dev/null
+++ b/contrib/rds-saa6588/rds-saa6588.c
@@ -0,0 +1,137 @@
+/*
+ * $Id: rds-saa6588.c,v 1.3 2005/06/12 04:19:19 mchehab Exp $
+ *
+ * poll i2c RDS receiver [Philips saa6588]
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <linux/types.h>
+#include <linux/i2c.h>
+#include <linux/i2c-dev.h>
+
+int debug;
+
+/* ----------------------------------------------------------------- */
+
+char rds_psn[9];
+char rds_txt[65];
+
+static void rds_decode(int blkno,int b1, int b2)
+{
+    static int group,spare,c1,c2;
+
+    switch (blkno) {
+    case 0:
+	if (debug)
+	    fprintf(stderr,"block A - id=%d\n",
+		    (b1 << 8) | b2);
+	break;
+    case 1:
+	if (debug)
+	    fprintf(stderr,"block B - group=%d%c tp=%d pty=%d spare=%d\n",
+		    (b1 >> 4) & 0x0f,
+		    ((b1 >> 3) & 0x01) + 'A',
+		    (b1 >> 2) & 0x01,
+		    ((b1 << 3) & 0x18) | ((b2 >> 5) & 0x07),
+		    b2 & 0x1f);
+	group = (b1 >> 3) & 0x1f;
+	spare = b2 & 0x1f;
+	break;
+    case 2:
+	if (debug)
+	    fprintf(stderr,"block C - 0x%02x 0x%02x\n",b1,b2);
+	c1 = b1;
+	c2 = b2;
+	break;
+    case 3:
+	if (debug)
+	    fprintf(stderr,"block D - 0x%02x 0x%02x\n",b1,b2);
+	switch (group) {
+	case 0:
+	    rds_psn[2*(spare & 0x03)+0] = b1;
+	    rds_psn[2*(spare & 0x03)+1] = b2;
+	    if ((spare & 0x03) == 0x03)
+		fprintf(stderr,"PSN #>%s<#\n",rds_psn);
+	    break;
+	case 4:
+	    rds_txt[4*(spare & 0x0f)+0] = c1;
+	    rds_txt[4*(spare & 0x0f)+1] = c2;
+	    rds_txt[4*(spare & 0x0f)+2] = b1;
+	    rds_txt[4*(spare & 0x0f)+3] = b2;
+	    if ((spare & 0x0f) == 0x0f)
+		fprintf(stderr,"TXT #>%s<#\n",rds_txt);
+	    break;
+	}
+	break;
+    default:
+	fprintf(stderr,"unknown block [%d]\n",blkno);
+    }
+}
+
+int
+main(int argc, char *argv[])
+{
+    int  c,f,rc, no, lastno = -1;
+    unsigned char b[40];
+    char *device = "/dev/i2c-0";
+
+    /* parse options */
+    while (-1 != (c=getopt(argc,argv,"hvd:"))) {
+	switch (c){
+	case 'd':
+	    if (optarg)
+		device = optarg;
+	    break;
+	case 'v':
+	    debug = 1;
+	    break;
+	case 'h':
+	default:
+	    printf("poll i2c RDS receiver [saa6588] via chardev\n");
+	    printf("usage: %s [ -d i2c-device ]\n",argv[0]);
+	    exit(1);
+	}
+    }
+
+    if (-1 == (f = open(device,O_RDWR))) {
+	fprintf(stderr,"open %s: %s\n",device,strerror(errno));
+	exit(1);
+    }
+    ioctl(f,I2C_SLAVE,0x20 >> 1);
+    for (;;) {
+	memset(b,0,sizeof(b));
+	rc = read(f,b,6);
+	if (6 != rc) {
+	    fprintf(stderr,"oops: read: rc=%d, expected 6 [%s]\n",
+		    rc,strerror(errno));
+	    break;
+	}
+	if (0 == (b[0] & 0x10)) {
+	    fprintf(stderr,"no signal\r");
+	    continue;
+	}
+	if (1 == (b[0] & 0x08)) {
+	    fprintf(stderr,"overflow detected\n");
+	}
+	if (1 == (b[0] & 0x04)) {
+	    fprintf(stderr,"reset detected\n");
+	}
+	if (debug)
+	    fprintf(stderr,"raw: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
+		    b[0],b[1],b[2],b[3],b[4],b[5]);
+	no = b[0] >> 5;
+	if (lastno != no) {
+		rds_decode(no, b[1], b[2]);
+		lastno = no;
+	}
+	usleep(10*1000);
+    }
+    close(f);
+    exit(0);
+}