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Add filter for larger deviations 

Add filter for larger deviations due to I2C misreads
This commit is contained in:
Theo Arends 2022-09-04 14:48:58 +02:00
parent 3220fdae44
commit 91ed1ea2c6
1 changed files with 13 additions and 7 deletions
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20
tasmota/tasmota_xsns_sensor/xsns_99_luxv30b.ino
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@ -126,6 +126,7 @@ class LuxV30b {
float Lux();
bool _found;
uint32_t _lux;
uint32_t _lux_last;
};
LuxV30b::LuxV30b() {
@ -145,13 +146,18 @@ bool LuxV30b::Found() {
}
void LuxV30b::Read() {
_lux = I2cRead8(LUXV30B_ADDR, 0);
delay(8);
_lux |= I2cRead8(LUXV30B_ADDR, 1) << 8;
delay(8);
_lux |= I2cRead8(LUXV30B_ADDR, 2) << 16;
delay(8);
_lux |= I2cRead8(LUXV30B_ADDR, 3) << 24;
uint32_t lux = I2cRead8(LUXV30B_ADDR, 0);
// delay(8);
lux |= I2cRead8(LUXV30B_ADDR, 1) << 8;
// delay(8);
lux |= I2cRead8(LUXV30B_ADDR, 2) << 16;
// delay(8);
lux |= I2cRead8(LUXV30B_ADDR, 3) << 24;
_lux = (lux > (_lux_last << 4)) ? _lux_last : lux; // Filter large deviations due to misreads
_lux_last = lux;
// AddLog(LOG_LEVEL_DEBUG, PSTR("SCD: Raw %d/%d"), lux, _lux);
}
float LuxV30b::Lux() {