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set swarmalarm threshold to 750g, only send swarmalarm at daytime

This commit is contained in:
Joerg Lehmann 2020-03-20 19:43:30 +01:00
parent f134736334
commit f56c90fc13
1 changed files with 7 additions and 2 deletions
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9
lorahandler.go
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@ -231,7 +231,7 @@ func DecodePayload(s string, deveui string, devaddr string, lrrlat float32, lrrl
multiply_by_2 = true
}
w32 = int32(((float64(pl_128.W1-w1_0_real) / float64(pl_128.W1_C)) + (float64(pl_128.W2-w2_0_real) / float64(pl_128.W2_C))) / 5.0)
if (multiply_by_2) {
if multiply_by_2 {
w32 = w32 * 2
}
if w32 < 0 {
@ -278,6 +278,11 @@ func DecodePayload(s string, deveui string, devaddr string, lrrlat float32, lrrl
}
}
func IsDayTime() bool {
hours, _, _ := time.Now().Clock()
return ((hours >= 6) && (hours <= 22))
}
func WriteDatapoint(mytime int64, deveui string, devaddr string, v uint8, h uint8, p uint8, w uint16, w1 int32, w2 int32, t int16, lrrlat float32, lrrlon float32, fw_version int32, w1_0 int32, w2_0 int32, w1_c float32, w2_c float32) {
// wir nehmen humidity als Referenz, wenn diese > 0 ist, dann ist es
// eine gueltige Messung
@ -307,7 +312,7 @@ func WriteDatapoint(mytime int64, deveui string, devaddr string, v uint8, h uint
w_gram := uint32(w) * 5
addValue(deveui, w_gram)
w_loss := getMaxValue(deveui) - w_gram
if w_loss > 500 {
if w_loss > 750 && IsDayTime() {
// Schwarmalarm!
alertLogMap[deveui] = fmt.Sprintf("alert,deveui=%s reason=\"swarmalarm\",w=%di,w_loss=%di %d\n", deveui, w_gram, w_loss, mytime*60*1000*1000*1000)
location, _ := time.LoadLocation("Europe/Zurich")