|
| 1 | +package rct |
| 2 | + |
| 3 | +import ( |
| 4 | + "encoding/binary" |
| 5 | + "fmt" |
| 6 | + "math" |
| 7 | +) |
| 8 | + |
| 9 | +/* |
| 10 | + * See https://github.com/do-gooder/rctpower_writesupport?tab=readme-ov-file#usage |
| 11 | + */ |
| 12 | + |
| 13 | +// SetSocStrategy sets the SOC strategy (power_mng.soc_strategy) with the given ENUM value |
| 14 | +func (c *Connection) SetSocStrategy(strategy uint8) error { |
| 15 | + if strategy > SOCTargetSchedule { |
| 16 | + return fmt.Errorf("invalid SOC strategy value: %d", strategy) |
| 17 | + } |
| 18 | + |
| 19 | + if err := c.Write(PowerMngSocStrategy, []byte{strategy}); err != nil { |
| 20 | + return fmt.Errorf("failed to set SOC strategy: %w", err) |
| 21 | + } |
| 22 | + |
| 23 | + return nil |
| 24 | +} |
| 25 | + |
| 26 | +// SetSocTarget sets the SOC target (power_mng.soc_target_set) with the given value |
| 27 | +func (c *Connection) SetSocTarget(target float32) error { |
| 28 | + if target < 0.00 || target > 1.00 { |
| 29 | + return fmt.Errorf("invalid SOC target value: %.2f, valid range is 0.00 to 1.00", target) |
| 30 | + } |
| 31 | + |
| 32 | + data := make([]byte, 4) |
| 33 | + binary.BigEndian.PutUint32(data, math.Float32bits(target)) |
| 34 | + |
| 35 | + if err := c.Write(PowerMngSocTargetSet, data); err != nil { |
| 36 | + return fmt.Errorf("failed to set SOC target: %w", err) |
| 37 | + } |
| 38 | + |
| 39 | + return nil |
| 40 | +} |
| 41 | + |
| 42 | +// SetBatteryPowerExtern sets the external battery power (power_mng.battery_power_extern) with the given float32 value in W |
| 43 | +func (c *Connection) SetBatteryPowerExtern(power float32) error { |
| 44 | + data := make([]byte, 4) |
| 45 | + binary.BigEndian.PutUint32(data, math.Float32bits(power)) |
| 46 | + |
| 47 | + if err := c.Write(PowerMngBatteryPowerExternW, data); err != nil { |
| 48 | + return fmt.Errorf("failed to set battery power extern: %w", err) |
| 49 | + } |
| 50 | + |
| 51 | + return nil |
| 52 | +} |
| 53 | + |
| 54 | +// SetSocMin sets the minimum SOC target (power_mng.soc_min) with the given value |
| 55 | +func (c *Connection) SetSocMin(min float32) error { |
| 56 | + if min < 0.00 || min > 1.00 { |
| 57 | + return fmt.Errorf("invalid SOC min value: %.2f, valid range is 0.00 to 1.00", min) |
| 58 | + } |
| 59 | + |
| 60 | + data := make([]byte, 4) |
| 61 | + binary.BigEndian.PutUint32(data, math.Float32bits(min)) |
| 62 | + |
| 63 | + if err := c.Write(BatterySoCTargetMin, data); err != nil { |
| 64 | + return fmt.Errorf("failed to set SOC min: %w", err) |
| 65 | + } |
| 66 | + |
| 67 | + return nil |
| 68 | +} |
| 69 | + |
| 70 | +// SetSocMinIsland sets the minimum SOC target (power_mng.soc_min_island) with the given value |
| 71 | +func (c *Connection) SetSocMinIsland(min float32) error { |
| 72 | + if min < 0.00 || min > 1.00 { |
| 73 | + return fmt.Errorf("invalid SOC min value: %.2f, valid range is 0.00 to 1.00", min) |
| 74 | + } |
| 75 | + |
| 76 | + data := make([]byte, 4) |
| 77 | + binary.BigEndian.PutUint32(data, math.Float32bits(min)) |
| 78 | + |
| 79 | + if err := c.Write(BatterySoCTargetMinIsland, data); err != nil { |
| 80 | + return fmt.Errorf("failed to set SOC min island: %w", err) |
| 81 | + } |
| 82 | + |
| 83 | + return nil |
| 84 | +} |
| 85 | + |
| 86 | +// SetSocMax sets the maximum SOC target (power_mng.soc_max) with the given value |
| 87 | +func (c *Connection) SetSocMax(max float32) error { |
| 88 | + if max < 0.00 || max > 1.00 { |
| 89 | + return fmt.Errorf("invalid SOC max value: %.2f, valid range is 0.00 to 1.00", max) |
| 90 | + } |
| 91 | + |
| 92 | + data := make([]byte, 4) |
| 93 | + binary.BigEndian.PutUint32(data, math.Float32bits(max)) |
| 94 | + |
| 95 | + if err := c.Write(PowerMngSocMax, data); err != nil { |
| 96 | + return fmt.Errorf("failed to set SOC max: %w", err) |
| 97 | + } |
| 98 | + |
| 99 | + return nil |
| 100 | +} |
| 101 | + |
| 102 | +// SetSocChargePower sets the charging power to reach SOC target (power_mng.soc_charge_power) |
| 103 | +func (c *Connection) SetSocChargePower(power uint16) error { |
| 104 | + // Valid range is not defined, assume it’s a valid unsigned integer |
| 105 | + data := make([]byte, 2) |
| 106 | + binary.BigEndian.PutUint16(data, power) |
| 107 | + |
| 108 | + if err := c.Write(PowerMngSocChargePowerW, data); err != nil { |
| 109 | + return fmt.Errorf("failed to set SOC charge power: %w", err) |
| 110 | + } |
| 111 | + |
| 112 | + return nil |
| 113 | +} |
| 114 | + |
| 115 | +// SetSocCharge sets the trigger for charging to SOC_min (power_mng.soc_charge) |
| 116 | +func (c *Connection) SetSocCharge(charge float32) error { |
| 117 | + if charge < 0.00 || charge > 1.00 { |
| 118 | + return fmt.Errorf("invalid SOC charge value: %.2f, valid range is 0.00 to 1.00", charge) |
| 119 | + } |
| 120 | + |
| 121 | + data := make([]byte, 4) |
| 122 | + binary.BigEndian.PutUint32(data, math.Float32bits(charge)) |
| 123 | + |
| 124 | + if err := c.Write(PowerMngSocCharge, data); err != nil { |
| 125 | + return fmt.Errorf("failed to set SOC charge: %w", err) |
| 126 | + } |
| 127 | + |
| 128 | + return nil |
| 129 | +} |
| 130 | + |
| 131 | +// SetGridPowerLimit sets the maximum battery-to-grid power (p_rec_lim[1]) |
| 132 | +func (c *Connection) SetGridPowerLimit(power uint16) error { |
| 133 | + data := make([]byte, 2) |
| 134 | + binary.BigEndian.PutUint16(data, power) |
| 135 | + |
| 136 | + if err := c.Write(PowerMngGridPowerLimitW, data); err != nil { |
| 137 | + return fmt.Errorf("failed to set grid power limit: %w", err) |
| 138 | + } |
| 139 | + |
| 140 | + return nil |
| 141 | +} |
| 142 | + |
| 143 | +// SetUseGridPower sets the enable/disable flag for grid power usage (power_mng.use_grid_power_enable) |
| 144 | +func (c *Connection) SetUseGridPower(enable bool) error { |
| 145 | + var data byte |
| 146 | + if enable { |
| 147 | + data = 1 |
| 148 | + } |
| 149 | + |
| 150 | + if err := c.Write(PowerMngUseGridPowerEnable, []byte{data}); err != nil { |
| 151 | + return fmt.Errorf("failed to set grid power usage: %w", err) |
| 152 | + } |
| 153 | + |
| 154 | + return nil |
| 155 | +} |
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