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minor: Change Eurochron-EFTH800 radio_clock to optional

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This commit is contained in:
Christian W. Zuckschwerdt 2023-02-03 11:51:37 +01:00
parent 425726f865
commit b57a894f0d
1 changed files with 12 additions and 19 deletions

31
src/devices/efth800.c
View file

@ -45,20 +45,13 @@ The sensor sends messages at intervals of about 57-58 seconds.
static int eurochron_efth800_decode(r_device *decoder, bitbuffer_t *bitbuffer)
{
data_t *data;
int row;
uint8_t *b;
int id, channel, temp_raw, humidity, battery_low;
float temp_c;
char dcf77_str[20]; // "2064-16-32T32:64:64"
dcf77_str[0] = 0;
bitbuffer_invert(bitbuffer);
/* Look for clock packet */
row = bitbuffer_find_repeated_row(bitbuffer, 2, 65);
char dcf77_str[20] = {0}; // "2064-16-32T32:64:64"
int row = bitbuffer_find_repeated_row(bitbuffer, 2, 65);
if (row > 0) {
b = bitbuffer->bb[row];
uint8_t *b = bitbuffer->bb[row];
// 0 1 2 3 4 5 6 7
// ?1b CH:3d ID:12d 2b H?6d 2b M:6d 2b S:6d Y?7d D:5d M:4d CHK?8h 1x
@ -90,7 +83,7 @@ static int eurochron_efth800_decode(r_device *decoder, bitbuffer_t *bitbuffer)
if (bitbuffer->bits_per_row[row] > 49) // 48 bits per row?
return DECODE_ABORT_LENGTH;
b = bitbuffer->bb[row];
uint8_t *b = bitbuffer->bb[row];
// No need to decode/extract values for simple test
if (b[0] == 0x00 && b[1] == 0x00 && b[2] == 0x00 && b[4] == 0x00) {
@ -104,15 +97,15 @@ static int eurochron_efth800_decode(r_device *decoder, bitbuffer_t *bitbuffer)
}
/* Extract data */
channel = (b[0] & 0x70) >> 4;
id = ((b[0] & 0x0f) << 8) | b[1];
battery_low = b[2] >> 7;
temp_raw = (int16_t)((b[2] & 0x3f) << 10) | ((b[3] & 0xf0) << 2); // sign-extend
temp_c = (temp_raw >> 6) * 0.1f;
humidity = (b[4] >> 4) * 10 + (b[4] & 0xf); // BCD
int channel = (b[0] & 0x70) >> 4;
int id = ((b[0] & 0x0f) << 8) | b[1];
int battery_low = b[2] >> 7;
int temp_raw = (int16_t)((b[2] & 0x3f) << 10) | ((b[3] & 0xf0) << 2); // sign-extend
float temp_c = (temp_raw >> 6) * 0.1f;
int humidity = (b[4] >> 4) * 10 + (b[4] & 0xf); // BCD
/* clang-format off */
data = data_make(
data_t *data = data_make(
"model", "", DATA_STRING, "Eurochron-EFTH800",
"id", "", DATA_INT, id,
"channel", "", DATA_INT, channel + 1,
@ -120,7 +113,7 @@ static int eurochron_efth800_decode(r_device *decoder, bitbuffer_t *bitbuffer)
"temperature_C", "Temperature", DATA_FORMAT, "%.01f C", DATA_DOUBLE, temp_c,
"humidity", "Humidity", DATA_INT, humidity,
"mic", "Integrity", DATA_STRING, "CRC",
"radio_clock", "Radio Clock", DATA_STRING, dcf77_str,
"radio_clock", "Radio Clock", DATA_COND, *dcf77_str, DATA_STRING, dcf77_str,
NULL);
/* clang-format on */