mirror of https://github.com/cmur2/miflorad.git
86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
package gatt
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import (
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"miflorad/common"
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"github.com/currantlabs/gatt"
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"github.com/pkg/errors"
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)
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var MifloraCharVersionBatteryUUID = gatt.MustParseUUID("00001a02-0000-1000-8000-00805f9b34fb")
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func FindServiceByUUID(services []*gatt.Service, u gatt.UUID) *gatt.Service {
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for _, service := range services {
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if service.UUID().Equal(u) {
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return service
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}
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}
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return nil
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}
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func FindCharacteristicByUUID(characteristics []*gatt.Characteristic, u gatt.UUID) *gatt.Characteristic {
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for _, characteristic := range characteristics {
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if characteristic.UUID().Equal(u) {
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return characteristic
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}
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}
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return nil
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}
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func MifloraRequestVersionBattery(p gatt.Peripheral) (common.VersionBatteryResponse, error) {
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mifloraService := FindServiceByUUID(p.Services(), gatt.MustParseUUID(common.MifloraServiceUUID))
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if mifloraService == nil {
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return common.VersionBatteryResponse{}, errors.New("Failed to get the miflora service")
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}
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mifloraVersionBatteryChar := FindCharacteristicByUUID(mifloraService.Characteristics(), MifloraCharVersionBatteryUUID)
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if mifloraVersionBatteryChar == nil {
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return common.VersionBatteryResponse{}, errors.New("Failed to get the version battery characteristic")
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}
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bytes, err := p.ReadCharacteristic(mifloraVersionBatteryChar)
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if err != nil {
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return common.VersionBatteryResponse{}, errors.Wrap(err, "can't read version battery")
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}
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return common.ParseVersionBattery(bytes), nil
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}
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func MifloraRequestModeChange(p gatt.Peripheral) error {
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mifloraService := FindServiceByUUID(p.Services(), gatt.MustParseUUID(common.MifloraServiceUUID))
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if mifloraService == nil {
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return errors.New("Failed to get the miflora service")
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}
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mifloraModeChangeChar := FindCharacteristicByUUID(mifloraService.Characteristics(), gatt.MustParseUUID(common.MifloraCharModeChangeUUID))
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if mifloraModeChangeChar == nil {
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return errors.New("Failed to discover the mode change characteristic")
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}
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err := p.WriteCharacteristic(mifloraModeChangeChar, common.MifloraGetModeChangeData(), false)
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if err != nil {
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return errors.Wrap(err, "can't change mode")
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}
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return nil
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}
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func MifloraRequstSensorData(p gatt.Peripheral) (common.SensorDataResponse, error) {
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mifloraService := FindServiceByUUID(p.Services(), gatt.MustParseUUID(common.MifloraServiceUUID))
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if mifloraService == nil {
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return common.SensorDataResponse{}, errors.New("Failed to get the miflora service")
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}
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mifloraSensorDataChar := FindCharacteristicByUUID(mifloraService.Characteristics(), gatt.MustParseUUID(common.MifloraCharReadSensorDataUUID))
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if mifloraSensorDataChar == nil {
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return common.SensorDataResponse{}, errors.New("Failed to discover the sensor data characteristic")
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}
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bytes, err := p.ReadCharacteristic(mifloraSensorDataChar)
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if err != nil {
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return common.SensorDataResponse{}, errors.Wrap(err, "can't read sensor data")
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}
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return common.ParseSensorData(bytes), nil
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}
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