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Migrate nexus to new data format and add support for Technoline TX 9116 Temperature sensor

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This commit is contained in:
Martin Hauke 2016-01-24 19:31:17 +01:00
parent 320b921391
commit 16095c4e31
1 changed files with 61 additions and 15 deletions

76
src/devices/nexus.c
View file

@ -1,4 +1,7 @@
#include "rtl_433.h"
#include "data.h"
#include "util.h"
extern int rubicson_crc_check(bitrow_t *bb);
/* Currently this can decode the temperature and id from Nexus sensors
@ -16,10 +19,19 @@ extern int rubicson_crc_check(bitrow_t *bb);
static int nexus_callback(bitbuffer_t *bitbuffer) {
bitrow_t *bb = bitbuffer->bb;
int temperature_before_dec;
int temperature_after_dec;
int16_t temp;
int16_t humidity;
data_t *data;
char time_str[LOCAL_TIME_BUFLEN];
if (debug_output > 1) {
fprintf(stderr,"Possible Nexus: ");
bitbuffer_print(bitbuffer);
}
int16_t temp2;
float temp;
uint8_t humidity;
uint8_t id;
/** The nexus protocol will trigger on rubicson data, so calculate the rubicson crc and make sure
* it doesn't match. By guesstimate it should generate a correct crc 1/255% of the times.
@ -32,26 +44,59 @@ static int nexus_callback(bitbuffer_t *bitbuffer) {
bb[4][4] == bb[5][4] && bb[5][4] == bb[6][4] && bb[6][4] == bb[7][4] && bb[7][4] == bb[8][4] &&
bb[8][4] == bb[9][4] && (bb[5][2] != 0 && bb[5][3] != 0 ) && ((bb[5][4]&0x0F) == 0)))) {
/* Get time now */
local_time_str(0, time_str);
/* Nibble 0,1 contains id */
id = bb[5][0];
/* Nible 3,4,5 contains 12 bits of temperature
* The temerature is signed and scaled by 10 */
temp = (int16_t)((uint16_t)(bb[5][1] << 12) | (bb[5][2] << 4));
temp = temp >> 4;
temp2 = (int16_t)((uint16_t)(bb[5][1] << 12) | (bb[5][2] << 4));
temp2 = temp2 >> 4;
temp = temp2/10.;
humidity = (uint8_t)(((bb[5][3]&0x0F)<<4)|(bb[5][4]>>4));
temperature_before_dec = abs(temp / 10);
temperature_after_dec = abs(temp % 10);
humidity = (int16_t)(((bb[5][3]&0x0F)<<4)|(bb[5][4]>>4));
fprintf(stdout, "Sensor temperature event:\n");
fprintf(stdout, "protocol: Nexus\n");
fprintf(stdout, "Temp : %s%d.%d\n",temp<0?"-":"",temperature_before_dec,temperature_after_dec);
fprintf(stdout, "Humidity: %d\n", humidity);
fprintf(stdout, "%02x %02x %02x %02x %02x = %s%d.%d\n",bb[1][0],bb[0][1],bb[0][2],bb[0][3],bb[0][4],temp<0?"-":"",temperature_before_dec, temperature_after_dec);
if (debug_output > 1) {
fprintf(stderr, "ID = 0x%2X\n", id);
fprintf(stdout, "Humidity = %u\n", humidity);
fprintf(stdout, "Temperature = %.02f\n", temp);
}
// Thermo
if (bb[5][3] == 0xF0) {
data = data_make("time", "", DATA_STRING, time_str,
"model", "", DATA_STRING, "Nexus Temperature",
"id", "House Code", DATA_INT, id,
"temperature_C", "Temperature", DATA_FORMAT, "%.02f C", DATA_DOUBLE, temp,
NULL);
data_acquired_handler(data);
}
// Thermo/Hygro
else {
data = data_make("time", "", DATA_STRING, time_str,
"model", "", DATA_STRING, "Nexus Temperature/Humidity",
"id", "House Code", DATA_INT, id,
"temperature_C", "Temperature", DATA_FORMAT, "%.02f C", DATA_DOUBLE, temp,
"humidity", "Humidity", DATA_FORMAT, "%u %%", DATA_INT, humidity,
NULL);
data_acquired_handler(data);
}
return 1;
}
return 0;
}
static char *output_fields[] = {
"time",
"model",
"id",
"temperature_C",
"humidity",
NULL
};
// timings based on samp_rate=1024000
r_device nexus = {
.name = "Nexus Temperature & Humidity Sensor",
@ -62,5 +107,6 @@ r_device nexus = {
.json_callback = &nexus_callback,
.disabled = 0,
.demod_arg = 0,
.fields = output_fields
};