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