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Fixes #if PRST_HAS_LDR check in ble.c

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rbaron 2021-09-22 22:30:22 +02:00
parent d8aea1d4ef
commit e1f385adbd
2 changed files with 11 additions and 11 deletions
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20
code/b-parasite/README.md
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@ -30,16 +30,16 @@ Sensor data is encoded in the BLE advertisement packet as Service Data for the [
Sensor data is encoded in unsigned 16 bits (2 bytes), and whenever multiple Sensor data is encoded in unsigned 16 bits (2 bytes), and whenever multiple
bytes are used to represent a single value, the encoding is big-endian. bytes are used to represent a single value, the encoding is big-endian.
| Byte index | Description | | Byte index | Description |
|------------|-----------------------------------------------------------------| |------------|-------------------------------------------------------------------|
| 0 | Protocol version (4 bits) + reserved (3 bits) + has_lux* (1 bit)| | 0 | Protocol version (4 bits) + reserved (3 bits) + `has_lux`* (1 bit)|
| 1 | Reserved (4 bits) + increasing, wrap-around counter (4 bits) | | 1 | Reserved (4 bits) + increasing, wrap-around counter (4 bits) |
| 2-3 | Battery voltage in millivolts | | 2-3 | Battery voltage in millivolts |
| 4-5 | Temperature in millidegrees Celcius | | 4-5 | Temperature in millidegrees Celcius |
| 6-7 | Relative air humidity, scaled from 0 (0%) to 0xffff (100%) | | 6-7 | Relative air humidity, scaled from 0 (0%) to 0xffff (100%) |
| 8-9 | Soil moisture, scaled from from 0 (0%) to 0xffff (100%) | | 8-9 | Soil moisture, scaled from from 0 (0%) to 0xffff (100%) |
| 10-15 | b-parasite's own MAC address | | 10-15 | b-parasite's own MAC address |
| 16-17* | Ambient light in lux | | 16-17* | Ambient light in lux |
\* If the `has_lux` bit is set, bytes 16-17 shall contain the ambient light in lux. \* If the `has_lux` bit is set, bytes 16-17 shall contain the ambient light in lux.
If the `has_lux` bit is not set, bytes 16-17 may not exist or may contain If the `has_lux` bit is not set, bytes 16-17 may not exist or may contain

2
code/b-parasite/src/prst/ble.c
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@ -171,7 +171,7 @@ void prst_ble_update_adv_data(uint16_t batt_millivolts,
service_data[8] = soil_moisture >> 8; service_data[8] = soil_moisture >> 8;
service_data[9] = soil_moisture & 0xff; service_data[9] = soil_moisture & 0xff;
#ifdef PRST_HAS_LDR #if PRST_HAS_LDR
service_data[16] = brightness >> 8; service_data[16] = brightness >> 8;
service_data[17] = brightness & 0xff; service_data[17] = brightness & 0xff;
#endif #endif