X-Git-Url: https://git.rvb.name/rtl-433.git/blobdiff_plain/ca13278b24eb61443559bcb61e64627fba3d8823..6d15c6f967221af825cf84e3ed12b96c763b127b:/src/devices/springfield.c

diff --git a/src/devices/springfield.c b/src/devices/springfield.c
new file mode 100755
index 0000000..4f603b0
--- /dev/null
+++ b/src/devices/springfield.c
@@ -0,0 +1,91 @@
+#include "rtl_433.h"
+#include "data.h"
+#include "util.h"
+
+// Actually 37 bits for all but last transmission which is 36 bits
+#define	NUM_BITS	36
+
+static int springfield_callback(bitbuffer_t *bitbuffer) {
+	int ret = 0;
+	char time_str[LOCAL_TIME_BUFLEN];
+	int row;
+	int cs;
+	int i;
+	int nibble[NUM_BITS/4+1];
+	int sid, battery, transmit, channel, temp;
+	float tempC;
+	int moisture, uk1;
+	int checksum;
+	data_t *data;
+	long tmpData;
+	long savData = 0;
+
+	local_time_str(0, time_str);
+
+	for(row = 0; row < bitbuffer->num_rows; row++) {
+		if(bitbuffer->bits_per_row[row] == NUM_BITS || bitbuffer->bits_per_row[row] == NUM_BITS + 1) {
+			cs = 0;
+			tmpData = (bitbuffer->bb[row][0] << 24) + (bitbuffer->bb[row][1] << 16) + (bitbuffer->bb[row][2] << 8) + bitbuffer->bb[row][3];
+			for(i = 0; i < (NUM_BITS/4); i++) {
+				if((i & 0x01) == 0x01)
+					nibble[i] = bitbuffer->bb[row][i >> 1] & 0x0f;
+				else
+					nibble[i] = bitbuffer->bb[row][i >> 1] >> 0x04;
+				if(i < 7) cs ^= nibble[i];
+			}
+			cs = (cs & 0xF);
+			checksum = nibble[7];
+			if(checksum == cs && tmpData != savData) {
+				savData = tmpData;
+				sid      = (nibble[0] << 4) + nibble[1];
+				battery  = (nibble[2] >> 3) & 0x01;
+				transmit = (nibble[2] >> 2) & 0x01;
+				channel  = (nibble[2] & 0x03) + 1;
+				temp     = ((nibble[3] << 8) + (nibble[4] << 4) + nibble[5]);
+				if(temp >= 0xf00) temp = temp - 0x1000;
+				tempC    = temp / 10.0;
+				moisture =  nibble[6];
+				uk1      =  nibble[8];	/* unknown. */
+
+				data = data_make(
+					"time",			"",				DATA_STRING,	time_str,
+					"model",		"",				DATA_STRING,	"Springfield Temperature & Moisture",
+					"sid",			"SID",			DATA_INT,		sid,
+					"channel",		"Channel",		DATA_INT,		channel,
+					"battery",		"Battery",		DATA_STRING,	battery ? "LOW" : "OK",
+					"transmit",		"Transmit",		DATA_STRING,	transmit ? "MANUAL" : "AUTO",
+					"temperature_C","Temperature",	DATA_FORMAT,	"%.01f C",				DATA_DOUBLE,	tempC,
+					"moisture",		"Moisture",		DATA_INT,		moisture,
+//					"uk1",			"uk1",			DATA_INT,		uk1,
+					NULL);
+				data_acquired_handler(data);
+				ret++;
+			}
+		}
+	}
+	return ret;
+}
+
+static char *output_fields[] = {
+  "time",
+  "model",
+  "sid",
+  "channel",
+  "battery",
+  "transmit",
+  "temperature_C",
+  "moisture",
+  NULL
+};
+
+r_device springfield = {
+  .name           = "Springfield Temperature and Soil Moisture",
+  .modulation     = OOK_PULSE_PPM_RAW, 
+  .short_limit    = 500 * 4,
+  .long_limit     = 1000 * 4, 
+  .reset_limit    = 2300 * 4,
+  .json_callback  = &springfield_callback,
+  .disabled       = 0,
+  .demod_arg      = 0,
+  .fields         = output_fields
+};