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USER MANUAL
STM 550 / EMSI ENOCEAN MULTISENSOR FOR IOT APPLICATIONS
© 2020 EnOcean | www.enocean.com F-710-017, V1.0 STM 550 / EMSI User Manual | v1.4 | November 2020 | Page 65/97
9.5.17 SOLAR_THRESHOLD
If reduction of the reporting interval based on the solar cell light level has been enabled
then the light level threshold is defined by SOLAR_THREHOLD register as shown in Figure
44 below.
SOLAR_THRESHOLD
Bit 15
Bit 14
Bit 1
Bit 0
SOLAR CELL THRESHOLD
Figure 44 SOLAR_THRESHOLD register
The encoding used by the SOLAR CELL THRESHOLD bit field is shown in Table 29 below.
SOLAR CELL THRESHOLD
Threshold
0x0000
0 lux (minimum setting)
0x00C8 (Default)
200 lux seconds (default setting)
0xFFFF
65535 lux (maximum setting)
Table 29 SOLAR CELL THRESHOLD bit field encoding
The default setting for the solar cell threshold is 200 lux which corresponds to good availa-
bility of ambient light for harvesting.