Редизайн на основе текущей ветки мейнстрима + новые устройства.

[rtl-433.git] / src / devices / elro_db286a.c

diff --git a/src/devices/elro_db286a.c b/src/devices/elro_db286a.c
new file mode 100644 (file)
index 0000000..da9ecc5
--- /dev/null
+++ b/src/devices/elro_db286a.c
@@ -0,0 +1,87 @@
+/* Doorbell implementation for Elro DB286A devices
+ * 
+ * Note that each device seems to have two codes, which alternate
+ * for every other button press.
+ * 
+ * Example code: 37f62a6c80
+ * 
+ * Copyright (C) 2016 Fabian Zaremba <fabian@youremail.eu>
+ * 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"
+
+//33 pulses per data pattern
+#define        DB286A_PULSECOUNT               33
+//5*8 = 40 bits, 7 trailing zero bits are encoded, too
+#define DB286A_CODEBYTES               5
+//Hex character count for code:
+//(DB286A_CODEBYTES*8)/4 (8 bits per byte, 4 bits per hex character)
+#define DB286A_CODECHARS               DB286A_CODEBYTES*2
+//Minimum data pattern repetitions (14 is maximum)
+#define        DB286A_MINPATTERN               5
+
+static int doorbell_db286a_callback(bitbuffer_t *bitbuffer) {
+       
+       char time_str[LOCAL_TIME_BUFLEN];
+       data_t *data;
+       bitrow_t *bb = bitbuffer->bb;
+       uint8_t *b = bb[1];
+       unsigned bits = bitbuffer->bits_per_row[1];
+
+       char id_string[DB286A_CODECHARS+1];
+       char *idsp = id_string;
+       
+       unsigned i;
+       
+       if (bits != DB286A_PULSECOUNT) {
+               return 0;
+       }
+       
+       if (count_repeats(bitbuffer, 1) < DB286A_MINPATTERN) {
+               return 0;
+       }
+       
+       //Get hex string representation of code pattern
+       for (i = 0; i <= DB286A_CODEBYTES; i++) {
+           idsp += sprintf(idsp, "%02x", b[i]);        
+       }
+       id_string[DB286A_CODECHARS] = '\0';
+       
+       local_time_str(0, time_str);
+       
+       data = data_make(
+                               "time",                 "",             DATA_STRING, time_str,
+                               "model",                "",             DATA_STRING, "Elro DB286A",
+                               "code",                 "Code", DATA_STRING, id_string,
+                               NULL);
+       
+       data_acquired_handler(data);
+                       
+       return 1;
+               
+}
+
+static char *output_fields[] = {
+    "time",
+    "model",
+    "code",
+    NULL
+};
+
+r_device elro_db286a = {
+       .name                   = "Elro DB286A Doorbell",
+       .modulation     = OOK_PULSE_PWM_RAW,
+       .short_limit    = 800,
+       .long_limit     = 1500*4,
+       .reset_limit    = 2000*4,
+       .json_callback  = &doorbell_db286a_callback,
+       .disabled               = 0,
+    .fields         = output_fields
+};