added PTSPDP Doorbell support (conf and device)

conf/ptspdp-doorbell.conf

@@ -0,0 +1,24 @@
+# PTSPDP doorbell
+#
+# This decoder reads button presses from a PTSPDP doorbell.
+# https://www.amazon.com/gp/product/B0BD6XTVGL/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
+#
+# Analyzed by @karlg100
+
+decoder {
+        name        = PTSPDP Doorbell,
+        modulation  = OOK_PWM,
+        short       = 208,
+        long        = 596,
+        reset       = 6068,
+        gap         = 1000,
+        tolerance   = 0,
+        sync        = 908,
+
+        rows       >= 10,
+        get         = @0:{24}:id,
+}
+        #unique,
+        #bits       >= 24,
+
+#-X 'n=Front Door,m=OOK_PPM,s=208,l=596,r=6068,g=1000,t=0,y=908,match={24}db929c,repeats>=10'

include/rtl_433_devices.h

@@ -258,6 +258,7 @@
     DECL(tpms_nissan) \
     DECL(bresser_lightning) \
     DECL(schou_72543_rain) \
+    DECL(ptspdp) \
 
     /* Add new decoders here. */
 

src/CMakeLists.txt

@@ -190,6 +190,7 @@ add_library(r_433 STATIC
     devices/proflame2.c
     devices/prologue.c
     devices/proove.c
+    devices/ptspdp.c
     devices/quhwa.c
     devices/radiohead_ask.c
     devices/rainpoint.c

src/devices/ptspdp.c

@@ -0,0 +1,71 @@
+/** @file
+    Generic doorbell implementation for PTSPDP devices.
+
+    Copyright (C) 2016 Fabian Zaremba <[email protected]>
+
+    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.
+
+*/
+/**
+Generic doorbell implementation for PTSPDP devices.
+
+Based on flex decoder 
+-X m=OOK_PPM,s=208,l=596,r=6068,g=1000,t=0,y=908,match={24}db929c,repeats>=10
+
+*/
+
+#include "decoder.h"
+
+static int ptspdp_callback(r_device *decoder, bitbuffer_t *bitbuffer)
+{
+    //printf("PTSPDP: called!\n");
+
+    //bitbuffer_debug(bitbuffer);
+
+    // 24 bits expected, 10 minimum packet repetitions
+    int row = bitbuffer_find_repeated_row(bitbuffer, 10, 24);
+
+    if (row < 0 || bitbuffer->bits_per_row[row] < 24) {
+        //printf("PTSPDP: abort, too short row: %d bits_per_row: %d\n", row, bitbuffer->bits_per_row[row]);
+        return DECODE_ABORT_LENGTH;
+    }
+
+    uint8_t *b = bitbuffer->bb[row];
+
+    // 24 bits, trailing bit is dropped
+    char id_str[3 * 2 + 1];
+    snprintf(id_str, sizeof(id_str), "%02x%02x%02x", b[0], b[1], b[2]);
+
+    /* clang-format off */
+    data_t *data = data_make(
+            "model",    "",        DATA_STRING, "PTSPDP",
+            "id",       "ID",      DATA_STRING, id_str,
+            NULL);
+    /* clang-format on */
+
+    decoder_output_data(decoder, data);
+    return 1;
+}
+
+static char const *const output_fields[] = {
+        "model",
+        "id",
+        NULL,
+};
+
+r_device const ptspdp = {
+        .name        = "PTSPDP Doorbell",
+        .modulation  = OOK_PULSE_PPM,
+        .short_width = 208,
+        .long_width  = 596,
+        .gap_limit   = 1000,
+        .reset_limit = 6068,
+        .sync_width  = 908,
+        .tolerance   = 0,
+        .decode_fn   = &ptspdp_callback,
+        .disabled    = 0,
+        .fields      = output_fields,
+};