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Add battery status to TFA-Marbella (#3524)

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kickouille
2026-04-27 15:14:23 +02:00
committed by GitHub
parent 00d1c70971
commit cb4e1e4dce
1 changed files with 10 additions and 4 deletions
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14
src/devices/tfa_marbella.c
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@@ -23,14 +23,17 @@ The Marbella sensor operates at 868MHz frequency band.
FSK_PCM with 105 us long high durations
AA 2D D4 68 3F 16 0A 31 9A AA XX
PP SS SS RR RR RR ZC TT TA AA LL
PP SS SS RR RR RR FF TT TA AA LL
P - preamble 0xA
S - common sync 0x2dd4
R - serial number of sensor
Z - always zero
C - 3 bit counter
F - flags byte:
bit 7 battery low indicator
bit 6-4 reserved / unknown
bit 3-1 3-bit rolling counter
bit 0 reserved / unknown
T - 12 bit temperature in degree celsius
A - always 0xA
L - lsfr, byte reflected reverse galois with 0x31 key and generator
@@ -67,7 +70,8 @@ static int tfa_marbella_callback(r_device *decoder, bitbuffer_t *bitbuffer)
int temp_raw = (msg[7] << 4) | (msg[8] >> 4);
float temp_c = (temp_raw - 400) * 0.1f;
int counter = (msg[6] & 0xF) >> 1;
int battery_low = (msg[6] >> 7) & 0x01;
int counter = (msg[6] >> 1) & 0x07;
int serialnr = msg[3] << 16 | msg[4] << 8 | msg[5];
char serialnr_str[6 * 2 + 1];
@@ -78,6 +82,7 @@ static int tfa_marbella_callback(r_device *decoder, bitbuffer_t *bitbuffer)
"model", "", DATA_STRING, "TFA-Marbella",
"id", "", DATA_STRING, serialnr_str,
"counter", "", DATA_INT, counter,
"battery_ok", "Battery", DATA_INT, !battery_low,
"temperature_C", "Temperature", DATA_FORMAT, "%.1f C", DATA_DOUBLE, temp_c,
"mic", "Integrity", DATA_STRING, "CRC",
NULL);
@@ -91,6 +96,7 @@ static char const *const output_fields[] = {
"model",
"id",
"counter",
"battery_ok",
"temperature_C",
"mic",
NULL,