Add Hideki TS04 sensors

README.md

@@ -105,6 +105,8 @@ Supported devices:
 	[37] Inovalley kw9015b rain and Temperature weather station
 	[38] Generic temperature sensor 1
 	[39] Acurite 592TXR Temperature/Humidity Sensor and 5n1 Weather Station
+	[40] Acurite 986 Refrigerator / Freezer Thermometer
+	[41] HIDEKI TS04 Temperature and Humidity sensor
 ```
 
 

include/rtl_433.h

@@ -31,7 +31,7 @@
 #define DEFAULT_LEVEL_LIMIT     8000		// Theoretical high level at I/Q saturation is 128x128 = 16384 (above is ripple)
 #define MINIMAL_BUF_LENGTH      512
 #define MAXIMAL_BUF_LENGTH      (256 * 16384)
-#define MAX_PROTOCOLS           40
+#define MAX_PROTOCOLS           41
 #define SIGNAL_GRABBER_BUFFER   (12 * DEFAULT_BUF_LENGTH)
 
 /* Supported modulation types */

include/rtl_433_devices.h

@@ -43,7 +43,8 @@
 		DECL(kw9015b) \
 		DECL(generic_temperature_sensor) \
 		DECL(acurite_txr) \
-		DECL(acurite_986)
+		DECL(acurite_986) \
+		DECL(hideki_ts04)
 
 typedef struct {
 	char name[256];

src/CMakeLists.txt

@@ -59,6 +59,7 @@ add_executable(rtl_433
 	devices/efergy_e2_classic.c
 	devices/inovalley-kw9015b.c
 	devices/generic_temperature_sensor.c
+	devices/hideki.c
 )
 
 add_library(data data.c)

src/Makefile.am

@@ -44,6 +44,7 @@ rtl_433_SOURCES      = baseband.c \
                        devices/x10_rf.c \
                        devices/xc0348.c \
                        devices/inovalley-kw9015b.c \
-                       devices/generic_temperature_sensor.c
+                       devices/generic_temperature_sensor.c\
+                       devices/hideki.c
 
 rtl_433_LDADD        = $(LIBRTLSDR) $(LIBM)

src/devices/hideki.c

@@ -0,0 +1,99 @@
+#include "rtl_433.h"
+#include "pulse_demod.h"
+#include "util.h"
+#include "data.h"
+
+#define HIDEKI_BYTES_PER_ROW 10
+
+//    11111001 0  11110101 0  01110011 1 01111010 1  11001100 0  01000011 1  01000110 1  00111111  0 00001001 0  00010111 0
+//    SYNC+HEAD P   RC cha P           P     Nr.? P   .1° 1°  P   10°  BV P   1%  10% P  ????SYNC    -------Check?------- P
+
+//    00000000  11111111  22222222  33333333  44444444  55555555  66666666  77777777  88888888 99999999
+//    SYNC+HEAD cha   RC                Nr.?    1° .1°    BV 10°   10%  1%  SYNC????  -----Check?------
+
+static int hideki_ts04_callback(bitbuffer_t *bitbuffer) {
+    bitrow_t *bb = bitbuffer->bb;
+    uint8_t *b = bb[0];//TODO: handle the 3 row, need change in PULSE_CLOCK decoding
+
+    time_t time_now;
+    char time_str[LOCAL_TIME_BUFLEN];
+    data_t *data;
+    time(&time_now);
+    local_time_str(time_now, time_str);
+
+    uint8_t packet[HIDEKI_BYTES_PER_ROW];
+
+    // Transform the incoming data:
+    //  * change endianness
+    //  * toggle each bits
+    //  * Remove (and check) parity bit
+    for(int i=0; i<HIDEKI_BYTES_PER_ROW; i++){
+        unsigned int offset = i/8;
+        packet[i] = b[i+offset] << (i%8);
+        packet[i] |= b[i+offset+1] >> (8 - i%8);
+        // reverse as it is litle endian...
+        packet[i] = reverse8(packet[i]);
+        // toggle each bit
+        packet[i] ^= 0xFF;
+        // check parity
+        uint8_t parity = ((b[i+offset+1] >> (7 - i%8)) ^ 0xFF) & 0x01;
+        if(parity != byteParity(packet[i])){
+            fprintf(stderr, "Invalid parity\n");
+            return 0;
+        }
+    }
+
+    // Read data
+    if(packet[0] == 0x9f){ //Note: it may exist other valid id
+        uint8_t channel = (packet[1] >> 5) & 0x0F;
+        if(channel >= 5) channel -= 1;
+        uint8_t rc = packet[1] & 0x0F;
+        int temp = (packet[5] & 0x0F) * 100 + ((packet[4] & 0xF0) >> 4) * 10 + (packet[4] & 0x0F);
+        if((packet[5]>>4) & 0x01){
+            temp = -temp;
+        }
+        uint8_t humidity = ((packet[6] & 0xF0) >> 4) * 10 + (packet[6] & 0x0F);
+
+        uint8_t battery_low = (packet[5]>>5) & 0x01;
+
+        data = data_make("time",          "",       DATA_STRING, time_str,
+                "model",         "",              DATA_STRING, "HIDEKI TS04 sensor",
+                "rc",            "Rolling Code",  DATA_INT, rc,
+                "channel",       "Channel",       DATA_INT, channel,
+                "battery",       "Battery",       DATA_STRING, battery_low ? "LOW" : "OK",
+                "temperature_C", "Temperature",   DATA_FORMAT, "%.02f C", DATA_DOUBLE, temp/10.f,
+                "humidity",      "Humidity",      DATA_FORMAT, "%u %%", DATA_INT, humidity,
+                NULL);
+        data_acquired_handler(data);
+        return 1;
+    }
+    return 0;
+}
+
+PWM_Precise_Parameters hideki_ts04_clock_bits_parameters = {
+   .pulse_tolerance    = 60,
+   .pulse_sync_width    = 0,    // No sync bit used
+};
+
+static char *output_fields[] = {
+    "time",
+    "model",
+    "rc",
+    "channel",
+    "battery",
+    "temperature_C",
+    "humidity",
+    NULL
+};
+
+r_device hideki_ts04 = {
+    .name           = "HIDEKI TS04 Temperature and Humidity Sensor",
+    .modulation     = OOK_PULSE_CLOCK_BITS,
+    .short_limit    = 130,
+    .long_limit     = 260, // not used
+    .reset_limit    = 1000,
+    .json_callback  = &hideki_ts04_callback,
+    .disabled       = 0,
+    .demod_arg     = (unsigned long)&hideki_ts04_clock_bits_parameters,
+    .fields         = output_fields,
+};