--- /dev/null
+#include "rtl_433.h"
+#include "pulse_demod.h"
+#include "util.h"
+#include "data.h"
+
+static int current_cost_callback(bitbuffer_t *bitbuffer) {
+ bitbuffer_invert(bitbuffer);
+ bitrow_t *bb = bitbuffer->bb;
+ uint8_t *b = bb[0];
+
+ char time_str[LOCAL_TIME_BUFLEN];
+ data_t *data;
+ local_time_str(0, time_str);
+
+ uint8_t init_pattern[] = {
+ 0b11001100, //8
+ 0b11001100, //16
+ 0b11001100, //24
+ 0b11001110, //32
+ 0b10010001, //40
+ 0b01011101, //45 (! last 3 bits is not init)
+ };
+ unsigned int start_pos = bitbuffer_search(bitbuffer, 0, 0, init_pattern, 45);
+
+ if(start_pos == bitbuffer->bits_per_row[0]){
+ return 0;
+ }
+ start_pos += 45;
+
+ bitbuffer_t packet_bits = {0};
+
+ start_pos = bitbuffer_manchester_decode(bitbuffer, 0, start_pos, &packet_bits, 0);
+
+ uint8_t *packet = packet_bits.bb[0];
+ // Read data
+ if(packet_bits.bits_per_row[0] >= 56 && ((packet[0] & 0xf0) == 0) ){
+ uint16_t device_id = (packet[0] & 0x0f) << 8 | packet[1];
+
+ uint16_t watt0 = (packet[2] & 0x7F) << 8 | packet[3] ;
+ uint16_t watt1 = (packet[4] & 0x7F) << 8 | packet[5] ;
+ uint16_t watt2 = (packet[6] & 0x7F) << 8 | packet[7] ;
+ data = data_make("time", "", DATA_STRING, time_str,
+ "model", "", DATA_STRING, "CurrentCost TX", //TODO: it may have different CC Model ? any ref ?
+ //"rc", "Rolling Code", DATA_INT, rc, //TODO: add rolling code b[1] ? test needed
+ "dev_id", "Device Id", DATA_FORMAT, "%d", DATA_INT, device_id,
+ "power0", "Power 0", DATA_FORMAT, "%d W", DATA_INT, watt0,
+ "power1", "Power 1", DATA_FORMAT, "%d W", DATA_INT, watt1,
+ "power2", "Power 2", DATA_FORMAT, "%d W", DATA_INT, watt2,
+ //"battery", "Battery", DATA_STRING, battery_low ? "LOW" : "OK", //TODO is there some low battery indicator ?
+ NULL);
+ data_acquired_handler(data);
+ return 1;
+ }
+ return 0;
+}
+
+static char *output_fields[] = {
+ "time",
+ "model",
+ "rc",
+ "power0",
+ "power1",
+ "power2",
+ NULL
+};
+
+r_device current_cost = {
+ .name = "CurrentCost Current Sensor",
+ .modulation = FSK_PULSE_PCM,
+ .short_limit = 250,
+ .long_limit = 250, // NRZ
+ .reset_limit = 8000,
+ .json_callback = ¤t_cost_callback,
+ .disabled = 0,
+ .fields = output_fields,
+};