From 894b12e1bcaaddbcd2a67fa20058b390336c8aca Mon Sep 17 00:00:00 2001
From: Tommy Vestermark <tov@vestermark.dk>
Date: Fri, 21 Aug 2015 00:14:05 +0200
Subject: [PATCH] Add device: Valeo Car Key

Mainly to detect event / identify signal.
Does not attempt to decrypt rolling code.
---
 include/rtl_433_devices.h |  3 ++-
 src/CMakeLists.txt        |  1 +
 src/devices/valeo.c       | 43 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 src/devices/valeo.c

diff --git a/include/rtl_433_devices.h b/include/rtl_433_devices.h
index ac50a41b..dbcefc67 100644
--- a/include/rtl_433_devices.h
+++ b/include/rtl_433_devices.h
@@ -30,7 +30,8 @@
 		DECL(brennstuhl_rcs_2044) \
 		DECL(gt_wt_02) \
 		DECL(danfoss_CFR) \
-		DECL(ec3k) 
+		DECL(ec3k) \
+		DECL(valeo) 
 
 
 typedef struct {
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 74bb66cc..7c2dce71 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -47,6 +47,7 @@ add_executable(rtl_433
 	devices/gt_wt_02.c
 	devices/danfoss.c
 	devices/ec3k.c
+	devices/valeo.c
 )
 
 target_link_libraries(rtl_433
diff --git a/src/devices/valeo.c b/src/devices/valeo.c
new file mode 100644
index 00000000..b4baacc6
--- /dev/null
+++ b/src/devices/valeo.c
@@ -0,0 +1,43 @@
+/* Valeo Car Key
+ *
+ * Identifies event, but does not attempt to decrypt rolling code...
+ *
+ * Copyright (C) 2015 Tommy Vestermark
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ */
+#include "rtl_433.h"
+
+
+static int valeo_callback(bitbuffer_t *bitbuffer) {
+	bitrow_t *bb = bitbuffer->bb;
+
+	// Validate package
+	unsigned bits = bitbuffer->bits_per_row[0];
+	if ((bits == 461)
+	 && (bb[0][1] == 0xe8) && (bb[0][2] == 0xe8)	// Check a couple of preambles
+	) {
+		fprintf(stdout, "Valeo Car Key:\n");
+		fprintf(stdout, "Rolling code = ");
+		for (unsigned n=49; n<(49+9); ++n) {
+			fprintf(stdout, "%02X", bb[0][n]);
+		}
+		fprintf(stdout, "\n");
+		return 1;
+	}
+	return 0;
+}
+
+
+r_device valeo = {
+	.name			= "Valeo Car Key",
+	.modulation		= OOK_PULSE_MANCHESTER_ZEROBIT,
+	.short_limit	= 26,	// Probably 26.5
+	.long_limit		= 0,	// Not used
+	.reset_limit	= 100,
+	.json_callback	= &valeo_callback,
+	.disabled		= 0,
+	.demod_arg		= 0,
+};