Merge branch 'master' of github.com:krebscode/painload

1 files changed, 169 insertions, 0 deletions

diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_dvb.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_dvb.c.svn-base
new file mode 100644
index 00000000..b79f9e87
--- /dev/null
+++ b/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_dvb.c.svn-base
@@ -0,0 +1,169 @@
+/* $Id$
+ * $URL$
+ *
+ * plugin for DVB status
+ *
+ * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/* 
+ * exported functions:
+ *
+ * int plugin_init_dvb (void)
+ *  adds dvb() function
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <asm/types.h>
+
+#ifdef HAVE_LINUX_DVB_FRONTEND_H
+#include <linux/dvb/frontend.h>
+#else
+#warning linux/dvb/frontend.h not found: using hardcoded ioctl definitions
+#define FE_READ_BER                _IOR('o', 70, __u32)
+#define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
+#define FE_READ_SNR                _IOR('o', 72, __u16)
+#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
+#endif
+
+#include "debug.h"
+#include "plugin.h"
+#include "hash.h"
+
+static char *frontend = "/dev/dvb/adapter0/frontend0";
+
+static HASH DVB;
+
+static int get_dvb_stats(void)
+{
+    static int ioc_disable = 0;
+
+    int age;
+    int fd;
+    unsigned short snr, sig;
+    unsigned long ber, ucb;
+    char val[16];
+
+    /* reread every 1000 msec only */
+    age = hash_age(&DVB, NULL);
+    if (age > 0 && age <= 1000)
+	return 0;
+
+    /* open frontend */
+    fd = open(frontend, O_RDONLY);
+    if (fd == -1) {
+	error("open(%s) failed: %s", frontend, strerror(errno));
+	return -1;
+    }
+
+    sig = 0;
+    if ((ioc_disable & 0x01) == 0 && ioctl(fd, FE_READ_SIGNAL_STRENGTH, &sig) != 0) {
+	error("ioctl(FE_READ_SIGNAL_STRENGTH) failed: %s", strerror(errno));
+	if (errno == ENOSYS) {
+	    ioc_disable |= 0x01;
+	    error("ioctl(FE_READ_SIGNAL_STRENGTH) disabled.");
+	}
+    }
+
+    snr = 0;
+    if ((ioc_disable & 0x02) == 0 && ioctl(fd, FE_READ_SNR, &snr) != 0) {
+	error("ioctl(FE_READ_SNR) failed: %s", strerror(errno));
+	if (errno == ENOSYS) {
+	    ioc_disable |= 0x02;
+	    error("ioctl(FE_READ_SNR) disabled.");
+	}
+    }
+
+    ber = 0;
+    if ((ioc_disable & 0x04) == 0 && ioctl(fd, FE_READ_BER, &ber) != 0) {
+	error("ioctl(FE_READ_BER) failed: %s", strerror(errno));
+	if (errno == ENOSYS) {
+	    ioc_disable |= 0x04;
+	    error("ioctl(FE_READ_BER) disabled.");
+	}
+    }
+
+    ucb = 0;
+    if ((ioc_disable & 0x08) == 0 && ioctl(fd, FE_READ_UNCORRECTED_BLOCKS, &ucb) != 0) {
+	error("ioctl(FE_READ_UNCORRECTED_BLOCKS) failed: %s", strerror(errno));
+	if (errno == ENOSYS) {
+	    ioc_disable |= 0x08;
+	    error("ioctl(FE_READ_UNCORRECTED_BLOCKS) disabled.");
+	}
+    }
+
+    close(fd);
+
+    snprintf(val, sizeof(val), "%f", sig / 65535.0);
+    hash_put(&DVB, "signal_strength", val);
+
+    snprintf(val, sizeof(val), "%f", snr / 65535.0);
+    hash_put(&DVB, "snr", val);
+
+    snprintf(val, sizeof(val), "%lu", ber);
+    hash_put(&DVB, "ber", val);
+
+    snprintf(val, sizeof(val), "%lu", ucb);
+    hash_put(&DVB, "uncorrected_blocks", val);
+
+    return 0;
+}
+
+
+static void my_dvb(RESULT * result, RESULT * arg1)
+{
+    char *val;
+
+    if (get_dvb_stats() < 0) {
+	SetResult(&result, R_STRING, "");
+	return;
+    }
+
+    val = hash_get(&DVB, R2S(arg1), NULL);
+    if (val == NULL)
+	val = "";
+
+    SetResult(&result, R_STRING, val);
+}
+
+
+int plugin_init_dvb(void)
+{
+    hash_create(&DVB);
+    AddFunction("dvb", 1, my_dvb);
+    return 0;
+}
+
+
+void plugin_exit_dvb(void)
+{
+    hash_destroy(&DVB);
+}