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enervent-ctrl
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gh-10 Method for writing a single coil

This commit is contained in:
Jarno Rankinen 2023-02-23 22:07:51 +02:00
parent 1759dabbca
commit 5fddc0dcb7
1 changed files with 29 additions and 0 deletions
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29
enervent-ctrl-go/pingvinKL/pingvinKL.go
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@ -258,6 +258,35 @@ func (p PingvinKL) ReadCoil(n uint16) []byte {
return results
}
func (p *PingvinKL) WriteCoil(n uint16, val bool) bool {
handler := p.getHandler()
p.buslock.Lock()
err := handler.Connect()
if err != nil {
log.Println("WARNING: WriteCoil: failed to connect handler")
return false
}
defer handler.Close()
var value uint16 = 0
if val {
value = 0xff00
}
client := modbus.NewClient(handler)
results, err := client.WriteSingleCoil(n, value)
p.buslock.Unlock()
if err != nil {
log.Println("ERROR: WriteCoil: ", err)
}
if (val && results[0] == 255) || (!val && results[0] == 0) {
log.Println("WriteCoil: wrote coil", n, "to value", val)
} else {
log.Println("ERROR: WriteCoil: failed to write coil")
return false
}
return true
}
func (p *PingvinKL) populateStatus() {
hpct := p.Registers[49].Value / p.Registers[49].Multiplier
if hpct > 100 {