X-Git-Url: https://git.rvb.name/rtl-433.git/blobdiff_plain/ca13278b24eb61443559bcb61e64627fba3d8823..6d15c6f967221af825cf84e3ed12b96c763b127b:/src/devices/chuango.c

diff --git a/src/devices/chuango.c b/src/devices/chuango.c
new file mode 100644
index 0000000..1403e8e
--- /dev/null
+++ b/src/devices/chuango.c
@@ -0,0 +1,101 @@
+/* Chuango Security Technology Corporation
+ *
+ * Tested devices:
+ * G5 GSM/SMS/RFID Touch Alarm System (Alarm, Disarm, ...)
+ * DWC-100 Door sensor (Default: Normal Zone)
+ * DWC-102 Door sensor (Default: Normal Zone)
+ * KP-700 Wireless Keypad (Arm, Disarm, Home Mode, Alarm!)
+ * PIR-900 PIR sensor (Default: Home Mode Zone)
+ * RC-80 Remote Control (Arm, Disarm, Home Mode, Alarm!)
+ * SMK-500 Smoke sensor (Default: 24H Zone)
+ * WI-200 Water sensor (Default: 24H Zone)
+ *
+ * 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"
+#include "pulse_demod.h"
+#include "data.h"
+#include "util.h"
+
+
+static int chuango_callback(bitbuffer_t *bitbuffer) {
+	bitrow_t *bb = bitbuffer->bb;
+	uint8_t *b = bb[0];
+	b[0] = ~b[0];
+	b[1] = ~b[1];
+	b[2] = ~b[2];
+
+	unsigned bits = bitbuffer->bits_per_row[0];
+
+	// Validate package
+	if ((bits == 25)
+	 && (b[3] & 0x80)	// Last bit (MSB here) is always 1
+	 && (b[0] || b[1] || (b[2] & 0xF0))	// Reduce false positives. ID 0x00000 not supported
+	) {
+	        uint32_t ID = (b[0] << 12) | (b[1] << 4) | (b[2] >> 4); // ID is 20 bits (Ad: "1 Million combinations" :-)
+		char *CMD;
+		uint32_t CMD_ID = b[2] & 0x0F;
+		data_t *data;
+		char time_str[LOCAL_TIME_BUFLEN];
+
+		switch(CMD_ID) {
+		        case 0xF:	CMD = "?"; break;
+		        case 0xE:	CMD = "?"; break;
+			case 0xD:	CMD = "Low Battery"; break;
+			case 0xC:	CMD = "?"; break;
+			case 0xB:	CMD = "24H Zone"; break;
+			case 0xA:	CMD = "Single Delay Zone"; break;
+			case 0x9:	CMD = "?"; break;
+			case 0x8:	CMD = "Arm"; break;
+			case 0x7:	CMD = "Normal Zone"; break;
+			case 0x6:	CMD = "Home Mode Zone";	break;
+			case 0x5:	CMD = "?"; break;
+			case 0x4:	CMD = "Home Mode"; break;
+			case 0x3:	CMD = "Tamper";	break;
+			case 0x2:	CMD = "Alarm"; break;
+			case 0x1:	CMD = "Disarm";	break;
+			case 0x0:	CMD = "Test"; break;
+			default:	CMD = ""; break;
+		}
+		local_time_str(0, time_str);
+		data = data_make("time", "", DATA_STRING, time_str,
+				 "model", "", DATA_STRING, "Chuango Security Technology",
+				 "id", "ID", DATA_INT, ID,
+				 "cmd", "CMD", DATA_STRING, CMD,
+				 "cmd_id", "CMD_ID", DATA_INT, CMD_ID,
+				 NULL);
+
+		data_acquired_handler(data);
+		return 1;
+	}
+	return 0;
+}
+
+static char *output_fields[] = {
+  "time",
+  "model",
+  "id",
+  "cmd",
+  "cmd_id",
+  NULL
+};
+
+PWM_Precise_Parameters pwm_precise_parameters = {
+	.pulse_tolerance	= 40,
+	.pulse_sync_width	= 0,	// No sync bit used
+};
+
+r_device chuango = {
+	.name			= "Chuango Security Technology",
+	.modulation		= OOK_PULSE_PWM_PRECISE,
+	.short_limit	= 568,	// Pulse: Short 568µs, Long 1704µs 
+	.long_limit		= 1704,	// Gaps:  Short 568µs, Long 1696µs
+	.reset_limit	= 1800,	// Intermessage Gap 17200µs (individually for now)
+	.json_callback	= &chuango_callback,
+	.disabled		= 0,
+	.demod_arg		= (uintptr_t)&pwm_precise_parameters,
+};