mirror of
https://github.com/jpeletier/koolnova2mqtt.git
synced 2026-04-20 23:50:53 +00:00
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
package modbus
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import (
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"encoding/binary"
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"errors"
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)
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type Mock struct {
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State map[byte][]uint16
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}
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func NewMock() Modbus {
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return &Mock{
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State: map[byte][]uint16{
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49: {3, 68, 41, 41, 3, 68, 41, 41, 3, 68, 41, 45, 3, 68, 41, 45, 3, 68, 41, 42, 3, 52, 41, 40, 3, 52, 41, 44, 3, 68, 41, 41, 3, 68, 41, 40, 3, 68, 41, 41, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 3, 4, 2, 49, 3, 7, 1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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50: {3, 68, 41, 41, 3, 68, 41, 41, 3, 68, 41, 45, 3, 68, 41, 45, 3, 68, 41, 42, 3, 52, 41, 40, 3, 52, 41, 44, 3, 68, 41, 41, 3, 68, 41, 40, 3, 68, 41, 41, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 3, 4, 2, 49, 3, 7, 1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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},
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}
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}
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func (ms *Mock) ReadRegister(slaveID byte, address uint16, quantity uint16) (results []byte, err error) {
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state, ok := ms.State[slaveID]
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if !ok {
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return nil, errors.New("Unknown slave")
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}
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address--
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for a := address; a < address+quantity; a++ {
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b := make([]byte, 2)
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binary.BigEndian.PutUint16(b, state[a])
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results = append(results, b...)
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}
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return results, nil
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}
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func (ms *Mock) WriteRegister(slaveID byte, address uint16, value uint16) (results []byte, err error) {
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state, ok := ms.State[slaveID]
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if !ok {
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return nil, errors.New("Unknown slave")
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}
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state[address-1] = value
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results = make([]byte, 2)
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binary.BigEndian.PutUint16(results, value)
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return results, nil
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}
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func (ms *Mock) Close() error { return nil }
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