// Copyright 2016 The Periph Authors. All rights reserved. // Use of this source code is governed under the Apache License, Version 2.0 // that can be found in the LICENSE file. package pine64 import ( "errors" "strings" "periph.io/x/periph" "periph.io/x/periph/conn/pin" "periph.io/x/periph/conn/pin/pinreg" "periph.io/x/periph/host/allwinner" "periph.io/x/periph/host/distro" ) // Present returns true if running on a Pine64 board. // // https://www.pine64.org/ func Present() bool { if isArm { return strings.HasPrefix(distro.DTModel(), "Pine64") } return false } // Pine64 specific pins. var ( VCC = &pin.BasicPin{N: "VCC"} // IOVCC = &pin.BasicPin{N: "IOVCC"} // Power supply for port A TEMP_SENSOR = &pin.BasicPin{N: "TEMP_SENSOR"} // IR_RX = &pin.BasicPin{N: "IR_RX"} // IR Data Receive CHARGER_LED = &pin.BasicPin{N: "CHARGER_LED"} // RESET = &pin.BasicPin{N: "RESET"} // PWR_SWITCH = &pin.BasicPin{N: "PWR_SWITCH "} // ) // All the individual pins on the headers. var ( P1_1 = pin.V3_3 // max 40mA P1_2 = pin.V5 // (filtered) P1_3 = allwinner.PH3 // P1_4 = pin.V5 // (filtered) P1_5 = allwinner.PH2 // P1_6 = pin.GROUND // P1_7 = allwinner.PL10 // P1_8 = allwinner.PB0 // P1_9 = pin.GROUND // P1_10 = allwinner.PB1 // P1_11 = allwinner.PC7 // P1_12 = allwinner.PC8 // P1_13 = allwinner.PH9 // P1_14 = pin.GROUND // P1_15 = allwinner.PC12 // P1_16 = allwinner.PC13 // P1_17 = pin.V3_3 // P1_18 = allwinner.PC14 // P1_19 = allwinner.PC0 // P1_20 = pin.GROUND // P1_21 = allwinner.PC1 // P1_22 = allwinner.PC15 // P1_23 = allwinner.PC2 // P1_24 = allwinner.PC3 // P1_25 = pin.GROUND // P1_26 = allwinner.PH7 // P1_27 = allwinner.PL9 // P1_28 = allwinner.PL8 // P1_29 = allwinner.PH5 // P1_30 = pin.GROUND // P1_31 = allwinner.PH6 // P1_32 = allwinner.PC4 // P1_33 = allwinner.PC5 // P1_34 = pin.GROUND // P1_35 = allwinner.PC9 // P1_36 = allwinner.PC6 // P1_37 = allwinner.PC16 // P1_38 = allwinner.PC10 // P1_39 = pin.GROUND // P1_40 = allwinner.PC11 // EULER_1 = pin.V3_3 // EULER_2 = pin.DC_IN // EULER_3 = pin.BAT_PLUS // EULER_4 = pin.DC_IN // EULER_5 = TEMP_SENSOR // EULER_6 = pin.GROUND // EULER_7 = IR_RX // EULER_8 = pin.V5 // EULER_9 = pin.GROUND // EULER_10 = allwinner.PH8 // EULER_11 = allwinner.PB3 // EULER_12 = allwinner.PB4 // EULER_13 = allwinner.PB5 // EULER_14 = pin.GROUND // EULER_15 = allwinner.PB6 // EULER_16 = allwinner.PB7 // EULER_17 = pin.V3_3 // EULER_18 = allwinner.PD4 // EULER_19 = allwinner.PD2 // EULER_20 = pin.GROUND // EULER_21 = allwinner.PD3 // EULER_22 = allwinner.PD5 // EULER_23 = allwinner.PD1 // EULER_24 = allwinner.PD0 // EULER_25 = pin.GROUND // EULER_26 = allwinner.PD6 // EULER_27 = allwinner.PB2 // EULER_28 = allwinner.PD7 // EULER_29 = allwinner.PB8 // EULER_30 = allwinner.PB9 // EULER_31 = allwinner.EAROUTP // EULER_32 = allwinner.EAROUTN // EULER_33 = pin.INVALID // EULER_34 = pin.GROUND // EXP_1 = pin.V3_3 // EXP_2 = allwinner.PL7 // EXP_3 = CHARGER_LED // EXP_4 = RESET // EXP_5 = PWR_SWITCH // EXP_6 = pin.GROUND // EXP_7 = allwinner.PB8 // EXP_8 = allwinner.PB9 // EXP_9 = pin.GROUND // EXP_10 = allwinner.KEY_ADC // WIFI_BT_1 = pin.GROUND // WIFI_BT_2 = allwinner.PG6 // WIFI_BT_3 = allwinner.PG0 // WIFI_BT_4 = allwinner.PG7 // WIFI_BT_5 = pin.GROUND // WIFI_BT_6 = allwinner.PG8 // WIFI_BT_7 = allwinner.PG1 // WIFI_BT_8 = allwinner.PG9 // WIFI_BT_9 = allwinner.PG2 // WIFI_BT_10 = allwinner.PG10 // WIFI_BT_11 = allwinner.PG3 // WIFI_BT_12 = allwinner.PG11 // WIFI_BT_13 = allwinner.PG4 // WIFI_BT_14 = allwinner.PG12 // WIFI_BT_15 = allwinner.PG5 // WIFI_BT_16 = allwinner.PG13 // WIFI_BT_17 = allwinner.PL2 // WIFI_BT_18 = pin.GROUND // WIFI_BT_19 = allwinner.PL3 // WIFI_BT_20 = allwinner.PL5 // WIFI_BT_21 = allwinner.X32KFOUT // WIFI_BT_22 = allwinner.PL5 // WIFI_BT_23 = pin.GROUND // WIFI_BT_24 = allwinner.PL6 // WIFI_BT_25 = VCC // WIFI_BT_26 = IOVCC // AUDIO_LEFT = pin.INVALID // BUG(maruel): Fix once analog is implemented. AUDIO_RIGHT = pin.INVALID // ) // // driver implements periph.Driver. type driver struct { } func (d *driver) String() string { return "pine64" } func (d *driver) Prerequisites() []string { return nil } func (d *driver) After() []string { return []string{"allwinner-gpio", "allwinner-gpio-pl"} } func (d *driver) Init() (bool, error) { if !Present() { return false, errors.New("pine64 board not detected") } if err := pinreg.Register("P1", [][]pin.Pin{ {P1_1, P1_2}, {P1_3, P1_4}, {P1_5, P1_6}, {P1_7, P1_8}, {P1_9, P1_10}, {P1_11, P1_12}, {P1_13, P1_14}, {P1_15, P1_16}, {P1_17, P1_18}, {P1_19, P1_20}, {P1_21, P1_22}, {P1_23, P1_24}, {P1_25, P1_26}, {P1_27, P1_28}, {P1_29, P1_30}, {P1_31, P1_32}, {P1_33, P1_34}, {P1_35, P1_36}, {P1_37, P1_38}, {P1_39, P1_40}, }); err != nil { return true, err } if err := pinreg.Register("EULER", [][]pin.Pin{ {EULER_1, EULER_2}, {EULER_3, EULER_4}, {EULER_5, EULER_6}, {EULER_7, EULER_8}, {EULER_9, EULER_10}, {EULER_11, EULER_12}, {EULER_13, EULER_14}, {EULER_15, EULER_16}, {EULER_17, EULER_18}, {EULER_19, EULER_20}, {EULER_21, EULER_22}, {EULER_23, EULER_24}, {EULER_25, EULER_26}, {EULER_27, EULER_28}, {EULER_29, EULER_30}, {EULER_31, EULER_32}, {EULER_33, EULER_34}, }); err != nil { return true, err } if err := pinreg.Register("EXP", [][]pin.Pin{ {EXP_1, EXP_2}, {EXP_3, EXP_4}, {EXP_5, EXP_6}, {EXP_7, EXP_8}, {EXP_9, EXP_10}, }); err != nil { return true, err } if err := pinreg.Register("WIFI_BT", [][]pin.Pin{ {WIFI_BT_1, WIFI_BT_2}, {WIFI_BT_3, WIFI_BT_4}, {WIFI_BT_5, WIFI_BT_6}, {WIFI_BT_7, WIFI_BT_8}, {WIFI_BT_9, WIFI_BT_10}, {WIFI_BT_11, WIFI_BT_12}, {WIFI_BT_13, WIFI_BT_14}, {WIFI_BT_15, WIFI_BT_16}, {WIFI_BT_17, WIFI_BT_18}, {WIFI_BT_19, WIFI_BT_20}, {WIFI_BT_21, WIFI_BT_22}, {WIFI_BT_23, WIFI_BT_24}, {WIFI_BT_25, WIFI_BT_26}, }); err != nil { return true, err } if err := pinreg.Register("AUDIO", [][]pin.Pin{ {AUDIO_LEFT}, {AUDIO_RIGHT}, }); err != nil { return true, err } return true, nil } func init() { if isArm { periph.MustRegister(&drv) } } var drv driver