mirror of https://github.com/kidoman/embd
simplify package structure
parent
3cae4064dc
commit
36f2c0486d
@ -0,0 +1,71 @@
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package embd
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func init() {
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Describers[HostBBB] = func(rev int) *Descriptor {
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return &Descriptor{
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GPIO: func() GPIO {
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return newGPIODriver(bbbPins)
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},
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I2C: newI2CDriver,
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}
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}
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}
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var bbbPins = PinMap{
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&PinDesc{66, []string{"P8_07", "GPIO_66", "TIMER4"}, CapNormal | CapGPMC},
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&PinDesc{67, []string{"P8_08", "GPIO_67", "TIMER7"}, CapNormal | CapGPMC},
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&PinDesc{69, []string{"P8_09", "GPIO_69", "TIMER5"}, CapNormal | CapGPMC},
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&PinDesc{68, []string{"P8_10", "GPIO_68", "TIMER6"}, CapNormal | CapGPMC},
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&PinDesc{45, []string{"P8_11", "GPIO_45"}, CapNormal | CapGPMC},
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&PinDesc{44, []string{"P8_12", "GPIO_44"}, CapNormal | CapGPMC},
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&PinDesc{23, []string{"P8_13", "GPIO_23", "EHRPWM2B"}, CapNormal | CapGPMC},
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&PinDesc{26, []string{"P8_14", "GPIO_26"}, CapNormal | CapGPMC},
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&PinDesc{47, []string{"P8_15", "GPIO_47"}, CapNormal | CapGPMC},
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&PinDesc{46, []string{"P8_16", "GPIO_46"}, CapNormal | CapGPMC},
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&PinDesc{27, []string{"P8_17", "GPIO_27"}, CapNormal | CapGPMC},
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&PinDesc{65, []string{"P8_18", "GPIO_65"}, CapNormal | CapGPMC},
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&PinDesc{22, []string{"P8_19", "GPIO_22", "EHRPWM2A"}, CapNormal | CapGPMC},
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&PinDesc{61, []string{"P8_26", "GPIO_61"}, CapNormal | CapGPMC},
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&PinDesc{86, []string{"P8_27", "GPIO_86"}, CapNormal | CapLCD},
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&PinDesc{88, []string{"P8_28", "GPIO_88"}, CapNormal | CapLCD},
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&PinDesc{87, []string{"P8_29", "GPIO_87"}, CapNormal | CapLCD},
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&PinDesc{89, []string{"P8_30", "GPIO_89"}, CapNormal | CapLCD},
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&PinDesc{10, []string{"P8_31", "GPIO_10", "UART5_CTSN"}, CapNormal | CapLCD},
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&PinDesc{11, []string{"P8_32", "GPIO_11", "UART5_RTSN"}, CapNormal | CapLCD},
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&PinDesc{9, []string{"P8_33", "GPIO_9 ", "UART4_RTSN"}, CapNormal | CapLCD},
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&PinDesc{81, []string{"P8_34", "GPIO_81", "UART3_RTSN"}, CapNormal | CapLCD},
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&PinDesc{8, []string{"P8_35", "GPIO_8 ", "UART4_CTSN"}, CapNormal | CapLCD},
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&PinDesc{80, []string{"P8_36", "GPIO_80", "UART3_CTSN"}, CapNormal | CapLCD},
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&PinDesc{78, []string{"P8_37", "GPIO_78", "UART5_TXD"}, CapNormal | CapLCD},
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&PinDesc{79, []string{"P8_38", "GPIO_79", "UART5_RXD"}, CapNormal | CapLCD},
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&PinDesc{76, []string{"P8_39", "GPIO_76"}, CapNormal | CapLCD},
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&PinDesc{77, []string{"P8_40", "GPIO_77"}, CapNormal | CapLCD},
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&PinDesc{74, []string{"P8_41", "GPIO_74"}, CapNormal | CapLCD},
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&PinDesc{75, []string{"P8_42", "GPIO_75"}, CapNormal | CapLCD},
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&PinDesc{72, []string{"P8_43", "GPIO_72"}, CapNormal | CapLCD},
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&PinDesc{73, []string{"P8_44", "GPIO_73"}, CapNormal | CapLCD},
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&PinDesc{70, []string{"P8_45", "GPIO_70"}, CapNormal | CapLCD},
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&PinDesc{71, []string{"P8_46", "GPIO_71"}, CapNormal | CapLCD},
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&PinDesc{30, []string{"P9_11", "GPIO_30", "UART4_RXD"}, CapNormal | CapUART},
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&PinDesc{60, []string{"P9_12", "GPIO_60", "GPIO1_28"}, CapNormal},
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&PinDesc{31, []string{"P9_13", "GPIO_31", "UART4_TXD"}, CapNormal | CapUART},
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&PinDesc{50, []string{"P9_14", "GPIO_50", "EHRPWM1A"}, CapNormal | CapPWM},
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&PinDesc{48, []string{"P9_15", "GPIO_48", "GPIO1_16"}, CapNormal},
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&PinDesc{51, []string{"P9_16", "GPIO_51", "EHRPWM1B"}, CapNormal | CapPWM},
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&PinDesc{5, []string{"P9_17", "GPIO_5", "I2C1_SCL"}, CapNormal | CapI2C},
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&PinDesc{4, []string{"P9_18", "GPIO_4", "I2C1_SDA"}, CapNormal | CapI2C},
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&PinDesc{13, []string{"P9_19", "GPIO_13", "I2C2_SCL"}, CapNormal | CapI2C},
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&PinDesc{12, []string{"P9_20", "GPIO_12", "I2C2_SDA"}, CapNormal | CapI2C},
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&PinDesc{3, []string{"P9_21", "GPIO_3", "UART2_TXD"}, CapNormal | CapUART},
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&PinDesc{2, []string{"P9_22", "GPIO_2", "UART2_RXD"}, CapNormal | CapUART},
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&PinDesc{49, []string{"P9_23", "GPIO_49", "GPIO1_17"}, CapNormal},
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&PinDesc{15, []string{"P9_24", "GPIO_15", "UART1_TXD"}, CapNormal | CapUART},
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&PinDesc{117, []string{"P9_25", "GPIO_117", "GPIO3_21"}, CapNormal},
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&PinDesc{14, []string{"P9_26", "GPIO_14", "UART1_RXD"}, CapNormal | CapUART},
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&PinDesc{115, []string{"P9_27", "GPIO_115", "GPIO3_19"}, CapNormal},
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&PinDesc{113, []string{"P9_28", "GPIO_113", "SPI1_CS0"}, CapNormal | CapSPI},
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&PinDesc{111, []string{"P9_29", "GPIO_111", "SPI1_D0"}, CapNormal | CapSPI},
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&PinDesc{112, []string{"P9_30", "GPIO_112", "SPI1_D1"}, CapNormal | CapSPI},
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&PinDesc{110, []string{"P9_31", "GPIO_110", "SPI1_SCLK"}, CapNormal | CapSPI},
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}
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@ -1,18 +1,18 @@
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package host
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package embd
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import "fmt"
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type Descriptor struct {
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GPIO func() interface{}
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I2C func() interface{}
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GPIO func() GPIO
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I2C func() I2C
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}
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type Describer func(rev int) *Descriptor
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var Describers = map[Host]Describer{}
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func Describe() (*Descriptor, error) {
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host, rev, err := Detect()
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func DescribeHost() (*Descriptor, error) {
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host, rev, err := DetectHost()
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if err != nil {
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return nil, err
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}
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@ -1,4 +1,4 @@
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package host
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package embd
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import "testing"
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@ -1,126 +0,0 @@
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package gpio
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import (
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"errors"
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"fmt"
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"os"
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"path"
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"github.com/kidoman/embd/gpio"
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)
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type digitalPin struct {
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n int
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dir *os.File
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val *os.File
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activeLow *os.File
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edge *os.File
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}
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func newDigitalPin(n int) (*digitalPin, error) {
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p := &digitalPin{n: n}
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if err := p.init(); err != nil {
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return nil, err
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}
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return p, nil
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}
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func (p *digitalPin) init() error {
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var err error
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if p.dir, err = p.directionFile(); err != nil {
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return err
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}
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if p.val, err = p.valueFile(); err != nil {
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return err
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}
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if p.activeLow, err = p.activeLowFile(); err != nil {
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return err
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}
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return nil
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}
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func (p *digitalPin) basePath() string {
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return fmt.Sprintf("/sys/class/gpio/gpio%v", p.n)
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}
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func (p *digitalPin) openFile(path string) (*os.File, error) {
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return os.OpenFile(path, os.O_RDWR, os.ModeExclusive)
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}
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func (p *digitalPin) directionFile() (*os.File, error) {
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return p.openFile(path.Join(p.basePath(), "direction"))
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}
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func (p *digitalPin) valueFile() (*os.File, error) {
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return p.openFile(path.Join(p.basePath(), "value"))
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}
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func (p *digitalPin) activeLowFile() (*os.File, error) {
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return p.openFile(path.Join(p.basePath(), "active_low"))
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}
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func (p *digitalPin) SetDirection(dir gpio.Direction) error {
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str := "in"
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if dir == gpio.Out {
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str = "out"
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}
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_, err := p.dir.WriteString(str)
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return err
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}
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func (p *digitalPin) Read() (int, error) {
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buf := make([]byte, 1)
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if _, err := p.val.Read(buf); err != nil {
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return 0, err
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}
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var val int
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if buf[0] == '1' {
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val = 1
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}
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return val, nil
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}
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func (p *digitalPin) Write(val int) error {
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str := "0"
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if val == gpio.High {
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str = "1"
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}
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_, err := p.val.WriteString(str)
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return err
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}
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func (p *digitalPin) ActiveLow(b bool) error {
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str := "0"
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if b {
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str = "1"
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}
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_, err := p.activeLow.WriteString(str)
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return err
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}
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func (p *digitalPin) PullUp() error {
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return errors.New("not implemented")
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}
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func (p *digitalPin) PullDown() error {
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return errors.New("not implemented")
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}
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func (p *digitalPin) Close() error {
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if err := p.dir.Close(); err != nil {
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return err
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}
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if err := p.val.Close(); err != nil {
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return err
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}
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if err := p.activeLow.Close(); err != nil {
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return err
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}
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if err := p.edge.Close(); err != nil {
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return err
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}
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return nil
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}
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@ -1,154 +0,0 @@
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package gpio
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import (
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"fmt"
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"os"
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"strconv"
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"github.com/golang/glog"
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"github.com/kidoman/embd/gpio"
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)
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const (
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Normal int = 1 << iota
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I2C
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UART
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SPI
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GPMC
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LCD
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PWM
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)
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type PinDesc struct {
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N int
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IDs []string
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Caps int
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}
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type PinMap []*PinDesc
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func (m PinMap) Lookup(k interface{}) (*PinDesc, bool) {
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switch key := k.(type) {
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case int:
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for i := range m {
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if m[i].N == key {
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return m[i], true
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}
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}
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case string:
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for i := range m {
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for j := range m[i].IDs {
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if m[i].IDs[j] == key {
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return m[i], true
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}
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}
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}
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}
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return nil, false
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}
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type GPIO struct {
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exporter, unexporter *os.File
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initialized bool
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pinMap PinMap
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initializedPins map[int]*digitalPin
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}
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func New(pinMap PinMap) *GPIO {
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return &GPIO{
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pinMap: pinMap,
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initializedPins: map[int]*digitalPin{},
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}
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}
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func (io *GPIO) init() error {
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if io.initialized {
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return nil
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}
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var err error
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if io.exporter, err = os.OpenFile("/sys/class/gpio/export", os.O_WRONLY, os.ModeExclusive); err != nil {
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return err
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}
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if io.unexporter, err = os.OpenFile("/sys/class/gpio/unexport", os.O_WRONLY, os.ModeExclusive); err != nil {
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return err
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}
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io.initialized = true
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return nil
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}
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func (io *GPIO) lookupKey(key interface{}) (*PinDesc, bool) {
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return io.pinMap.Lookup(key)
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}
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func (io *GPIO) export(n int) error {
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_, err := io.exporter.WriteString(strconv.Itoa(n))
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return err
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}
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func (io *GPIO) unexport(n int) error {
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_, err := io.unexporter.WriteString(strconv.Itoa(n))
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return err
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}
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func (io *GPIO) digitalPin(key interface{}) (*digitalPin, error) {
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pd, found := io.lookupKey(key)
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if !found {
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err := fmt.Errorf("gpio: could not find pin matching %q", key)
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return nil, err
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}
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n := pd.N
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p, ok := io.initializedPins[n]
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if ok {
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return p, nil
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}
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if pd.Caps&Normal == 0 {
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err := fmt.Errorf("gpio: sorry, pin %q cannot be used for GPIO", key)
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return nil, err
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}
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if pd.Caps != Normal {
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glog.Infof("gpio: pin %q is not a dedicated GPIO pin. please refer to the system reference manual for more details", key)
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}
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if err := io.export(n); err != nil {
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return nil, err
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}
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p, err := newDigitalPin(n)
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if err != nil {
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io.unexport(n)
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return nil, err
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}
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io.initializedPins[n] = p
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return p, nil
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}
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func (io *GPIO) DigitalPin(key interface{}) (gpio.DigitalPin, error) {
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if err := io.init(); err != nil {
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return nil, err
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}
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return io.digitalPin(key)
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}
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func (io *GPIO) Close() error {
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for n := range io.initializedPins {
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io.unexport(n)
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}
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io.exporter.Close()
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io.unexporter.Close()
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return nil
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}
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@ -1,43 +0,0 @@
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// Package i2c enables gophers i2c speaking ability.
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package i2c
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import (
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"sync"
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"github.com/kidoman/embd/i2c"
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)
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type I2C struct {
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busMap map[byte]*bus
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busMapLock sync.Mutex
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}
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func New() *I2C {
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return &I2C{
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busMap: make(map[byte]*bus),
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}
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}
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func (i *I2C) Bus(l byte) i2c.Bus {
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i.busMapLock.Lock()
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defer i.busMapLock.Unlock()
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var b *bus
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if b = i.busMap[l]; b == nil {
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b = &bus{l: l}
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i.busMap[l] = b
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}
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return b
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}
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func (i *I2C) Close() error {
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for _, b := range i.busMap {
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b.Close()
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delete(i.busMap, b.l)
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}
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return nil
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}
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@ -0,0 +1,271 @@
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package embd
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import (
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"errors"
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"fmt"
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"os"
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"path"
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"strconv"
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"github.com/golang/glog"
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)
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const (
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CapNormal int = 1 << iota
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CapI2C
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CapUART
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CapSPI
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CapGPMC
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CapLCD
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CapPWM
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)
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type PinDesc struct {
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N int
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IDs []string
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Caps int
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}
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type PinMap []*PinDesc
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func (m PinMap) Lookup(k interface{}) (*PinDesc, bool) {
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switch key := k.(type) {
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case int:
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for i := range m {
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if m[i].N == key {
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return m[i], true
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}
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}
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case string:
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for i := range m {
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for j := range m[i].IDs {
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if m[i].IDs[j] == key {
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return m[i], true
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}
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}
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}
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}
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return nil, false
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}
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type gpioDriver struct {
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exporter, unexporter *os.File
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initialized bool
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pinMap PinMap
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initializedPins map[int]*digitalPin
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}
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func newGPIODriver(pinMap PinMap) *gpioDriver {
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return &gpioDriver{
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pinMap: pinMap,
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initializedPins: map[int]*digitalPin{},
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}
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}
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func (io *gpioDriver) init() error {
|
||||
if io.initialized {
|
||||
return nil
|
||||
}
|
||||
|
||||
var err error
|
||||
if io.exporter, err = os.OpenFile("/sys/class/gpio/export", os.O_WRONLY, os.ModeExclusive); err != nil {
|
||||
return err
|
||||
}
|
||||
if io.unexporter, err = os.OpenFile("/sys/class/gpio/unexport", os.O_WRONLY, os.ModeExclusive); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
io.initialized = true
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (io *gpioDriver) lookupKey(key interface{}) (*PinDesc, bool) {
|
||||
return io.pinMap.Lookup(key)
|
||||
}
|
||||
|
||||
func (io *gpioDriver) export(n int) error {
|
||||
_, err := io.exporter.WriteString(strconv.Itoa(n))
|
||||
return err
|
||||
}
|
||||
|
||||
func (io *gpioDriver) unexport(n int) error {
|
||||
_, err := io.unexporter.WriteString(strconv.Itoa(n))
|
||||
return err
|
||||
}
|
||||
|
||||
func (io *gpioDriver) digitalPin(key interface{}) (*digitalPin, error) {
|
||||
pd, found := io.lookupKey(key)
|
||||
if !found {
|
||||
err := fmt.Errorf("gpio: could not find pin matching %q", key)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
n := pd.N
|
||||
|
||||
p, ok := io.initializedPins[n]
|
||||
if ok {
|
||||
return p, nil
|
||||
}
|
||||
|
||||
if pd.Caps&CapNormal == 0 {
|
||||
err := fmt.Errorf("gpio: sorry, pin %q cannot be used for GPIO", key)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if pd.Caps != CapNormal {
|
||||
glog.Infof("gpio: pin %q is not a dedicated GPIO pin. please refer to the system reference manual for more details", key)
|
||||
}
|
||||
|
||||
if err := io.export(n); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
p, err := newDigitalPin(n)
|
||||
if err != nil {
|
||||
io.unexport(n)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
io.initializedPins[n] = p
|
||||
|
||||
return p, nil
|
||||
}
|
||||
|
||||
func (io *gpioDriver) DigitalPin(key interface{}) (DigitalPin, error) {
|
||||
if err := io.init(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return io.digitalPin(key)
|
||||
}
|
||||
|
||||
func (io *gpioDriver) Close() error {
|
||||
for n := range io.initializedPins {
|
||||
io.unexport(n)
|
||||
}
|
||||
|
||||
io.exporter.Close()
|
||||
io.unexporter.Close()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type digitalPin struct {
|
||||
n int
|
||||
|
||||
dir *os.File
|
||||
val *os.File
|
||||
activeLow *os.File
|
||||
edge *os.File
|
||||
}
|
||||
|
||||
func newDigitalPin(n int) (*digitalPin, error) {
|
||||
p := &digitalPin{n: n}
|
||||
if err := p.init(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return p, nil
|
||||
}
|
||||
|
||||
func (p *digitalPin) init() error {
|
||||
var err error
|
||||
if p.dir, err = p.directionFile(); err != nil {
|
||||
return err
|
||||
}
|
||||
if p.val, err = p.valueFile(); err != nil {
|
||||
return err
|
||||
}
|
||||
if p.activeLow, err = p.activeLowFile(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *digitalPin) basePath() string {
|
||||
return fmt.Sprintf("/sys/class/gpio/gpio%v", p.n)
|
||||
}
|
||||
|
||||
func (p *digitalPin) openFile(path string) (*os.File, error) {
|
||||
return os.OpenFile(path, os.O_RDWR, os.ModeExclusive)
|
||||
}
|
||||
|
||||
func (p *digitalPin) directionFile() (*os.File, error) {
|
||||
return p.openFile(path.Join(p.basePath(), "direction"))
|
||||
}
|
||||
|
||||
func (p *digitalPin) valueFile() (*os.File, error) {
|
||||
return p.openFile(path.Join(p.basePath(), "value"))
|
||||
}
|
||||
|
||||
func (p *digitalPin) activeLowFile() (*os.File, error) {
|
||||
return p.openFile(path.Join(p.basePath(), "active_low"))
|
||||
}
|
||||
|
||||
func (p *digitalPin) SetDirection(dir Direction) error {
|
||||
str := "in"
|
||||
if dir == Out {
|
||||
str = "out"
|
||||
}
|
||||
_, err := p.dir.WriteString(str)
|
||||
return err
|
||||
}
|
||||
|
||||
func (p *digitalPin) Read() (int, error) {
|
||||
buf := make([]byte, 1)
|
||||
if _, err := p.val.Read(buf); err != nil {
|
||||
return 0, err
|
||||
}
|
||||
var val int
|
||||
if buf[0] == '1' {
|
||||
val = 1
|
||||
}
|
||||
return val, nil
|
||||
}
|
||||
|
||||
func (p *digitalPin) Write(val int) error {
|
||||
str := "0"
|
||||
if val == High {
|
||||
str = "1"
|
||||
}
|
||||
_, err := p.val.WriteString(str)
|
||||
return err
|
||||
}
|
||||
|
||||
func (p *digitalPin) ActiveLow(b bool) error {
|
||||
str := "0"
|
||||
if b {
|
||||
str = "1"
|
||||
}
|
||||
_, err := p.activeLow.WriteString(str)
|
||||
return err
|
||||
}
|
||||
|
||||
func (p *digitalPin) PullUp() error {
|
||||
return errors.New("not implemented")
|
||||
}
|
||||
|
||||
func (p *digitalPin) PullDown() error {
|
||||
return errors.New("not implemented")
|
||||
}
|
||||
|
||||
func (p *digitalPin) Close() error {
|
||||
if err := p.dir.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.val.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.activeLow.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.edge.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
@ -1,64 +0,0 @@
|
||||
package bbb
|
||||
|
||||
import (
|
||||
"github.com/kidoman/embd/driver/linux/gpio"
|
||||
)
|
||||
|
||||
var pins = gpio.PinMap{
|
||||
&gpio.PinDesc{66, []string{"P8_07", "GPIO_66", "TIMER4"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{67, []string{"P8_08", "GPIO_67", "TIMER7"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{69, []string{"P8_09", "GPIO_69", "TIMER5"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{68, []string{"P8_10", "GPIO_68", "TIMER6"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{45, []string{"P8_11", "GPIO_45"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{44, []string{"P8_12", "GPIO_44"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{23, []string{"P8_13", "GPIO_23", "EHRPWM2B"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{26, []string{"P8_14", "GPIO_26"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{47, []string{"P8_15", "GPIO_47"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{46, []string{"P8_16", "GPIO_46"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{27, []string{"P8_17", "GPIO_27"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{65, []string{"P8_18", "GPIO_65"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{22, []string{"P8_19", "GPIO_22", "EHRPWM2A"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{61, []string{"P8_26", "GPIO_61"}, gpio.Normal | gpio.GPMC},
|
||||
&gpio.PinDesc{86, []string{"P8_27", "GPIO_86"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{88, []string{"P8_28", "GPIO_88"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{87, []string{"P8_29", "GPIO_87"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{89, []string{"P8_30", "GPIO_89"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{10, []string{"P8_31", "GPIO_10", "UART5_CTSN"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{11, []string{"P8_32", "GPIO_11", "UART5_RTSN"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{9, []string{"P8_33", "GPIO_9 ", "UART4_RTSN"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{81, []string{"P8_34", "GPIO_81", "UART3_RTSN"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{8, []string{"P8_35", "GPIO_8 ", "UART4_CTSN"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{80, []string{"P8_36", "GPIO_80", "UART3_CTSN"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{78, []string{"P8_37", "GPIO_78", "UART5_TXD"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{79, []string{"P8_38", "GPIO_79", "UART5_RXD"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{76, []string{"P8_39", "GPIO_76"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{77, []string{"P8_40", "GPIO_77"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{74, []string{"P8_41", "GPIO_74"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{75, []string{"P8_42", "GPIO_75"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{72, []string{"P8_43", "GPIO_72"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{73, []string{"P8_44", "GPIO_73"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{70, []string{"P8_45", "GPIO_70"}, gpio.Normal | gpio.LCD},
|
||||
&gpio.PinDesc{71, []string{"P8_46", "GPIO_71"}, gpio.Normal | gpio.LCD},
|
||||
|
||||
&gpio.PinDesc{30, []string{"P9_11", "GPIO_30", "UART4_RXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{60, []string{"P9_12", "GPIO_60", "GPIO1_28"}, gpio.Normal},
|
||||
&gpio.PinDesc{31, []string{"P9_13", "GPIO_31", "UART4_TXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{50, []string{"P9_14", "GPIO_50", "EHRPWM1A"}, gpio.Normal | gpio.PWM},
|
||||
&gpio.PinDesc{48, []string{"P9_15", "GPIO_48", "GPIO1_16"}, gpio.Normal},
|
||||
&gpio.PinDesc{51, []string{"P9_16", "GPIO_51", "EHRPWM1B"}, gpio.Normal | gpio.PWM},
|
||||
&gpio.PinDesc{5, []string{"P9_17", "GPIO_5", "I2C1_SCL"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{4, []string{"P9_18", "GPIO_4", "I2C1_SDA"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{13, []string{"P9_19", "GPIO_13", "I2C2_SCL"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{12, []string{"P9_20", "GPIO_12", "I2C2_SDA"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{3, []string{"P9_21", "GPIO_3", "UART2_TXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{2, []string{"P9_22", "GPIO_2", "UART2_RXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{49, []string{"P9_23", "GPIO_49", "GPIO1_17"}, gpio.Normal},
|
||||
&gpio.PinDesc{15, []string{"P9_24", "GPIO_15", "UART1_TXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{117, []string{"P9_25", "GPIO_117", "GPIO3_21"}, gpio.Normal},
|
||||
&gpio.PinDesc{14, []string{"P9_26", "GPIO_14", "UART1_RXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{115, []string{"P9_27", "GPIO_115", "GPIO3_19"}, gpio.Normal},
|
||||
&gpio.PinDesc{113, []string{"P9_28", "GPIO_113", "SPI1_CS0"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{111, []string{"P9_29", "GPIO_111", "SPI1_D0"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{112, []string{"P9_30", "GPIO_112", "SPI1_D1"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{110, []string{"P9_31", "GPIO_110", "SPI1_SCLK"}, gpio.Normal | gpio.SPI},
|
||||
}
|
@ -1,22 +0,0 @@
|
||||
package bbb
|
||||
|
||||
import (
|
||||
lgpio "github.com/kidoman/embd/driver/linux/gpio"
|
||||
li2c "github.com/kidoman/embd/driver/linux/i2c"
|
||||
"github.com/kidoman/embd/host"
|
||||
)
|
||||
|
||||
func init() {
|
||||
host.Describers[host.BBB] = describer
|
||||
}
|
||||
|
||||
func describer(rev int) *host.Descriptor {
|
||||
return &host.Descriptor{
|
||||
GPIO: func() interface{} {
|
||||
return lgpio.New(pins)
|
||||
},
|
||||
I2C: func() interface{} {
|
||||
return li2c.New()
|
||||
},
|
||||
}
|
||||
}
|
@ -1,45 +0,0 @@
|
||||
package rpi
|
||||
|
||||
import (
|
||||
"github.com/kidoman/embd/driver/linux/gpio"
|
||||
)
|
||||
|
||||
var rev1Pins = gpio.PinMap{
|
||||
&gpio.PinDesc{0, []string{"P1_3", "GPIO_0", "SDA", "I2C0_SDA"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{1, []string{"P1_5", "GPIO_1", "SCL", "I2C0_SCL"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{4, []string{"P1_7", "GPIO_4", "GPCLK0"}, gpio.Normal},
|
||||
&gpio.PinDesc{14, []string{"P1_8", "GPIO_14", "TXD", "UART0_TXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{15, []string{"P1_10", "GPIO_15", "RXD", "UART0_RXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{17, []string{"P1_11", "GPIO_17"}, gpio.Normal},
|
||||
&gpio.PinDesc{18, []string{"P1_12", "GPIO_18", "PCM_CLK"}, gpio.Normal},
|
||||
&gpio.PinDesc{21, []string{"P1_13", "GPIO_21"}, gpio.Normal},
|
||||
&gpio.PinDesc{22, []string{"P1_15", "GPIO_22"}, gpio.Normal},
|
||||
&gpio.PinDesc{23, []string{"P1_16", "GPIO_23"}, gpio.Normal},
|
||||
&gpio.PinDesc{24, []string{"P1_18", "GPIO_24"}, gpio.Normal},
|
||||
&gpio.PinDesc{10, []string{"P1_19", "GPIO_10", "MOSI", "SPI0_MOSI"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{9, []string{"P1_21", "GPIO_9", "MISO", "SPI0_MISO"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{25, []string{"P1_22", "GPIO_25"}, gpio.Normal},
|
||||
&gpio.PinDesc{11, []string{"P1_23", "GPIO_11", "SCLK", "SPI0_SCLK"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{8, []string{"P1_24", "GPIO_8", "CE0", "SPI0_CE0_N"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{7, []string{"P1_26", "GPIO_7", "CE1", "SPI0_CE1_N"}, gpio.Normal | gpio.SPI},
|
||||
}
|
||||
|
||||
var rev2Pins = gpio.PinMap{
|
||||
&gpio.PinDesc{2, []string{"P1_3", "GPIO_2", "SDA", "I2C1_SDA"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{3, []string{"P1_5", "GPIO_3", "SCL", "I2C1_SCL"}, gpio.Normal | gpio.I2C},
|
||||
&gpio.PinDesc{4, []string{"P1_7", "GPIO_4", "GPCLK0"}, gpio.Normal},
|
||||
&gpio.PinDesc{14, []string{"P1_8", "GPIO_14", "TXD", "UART0_TXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{15, []string{"P1_10", "GPIO_15", "RXD", "UART0_RXD"}, gpio.Normal | gpio.UART},
|
||||
&gpio.PinDesc{17, []string{"P1_11", "GPIO_17"}, gpio.Normal},
|
||||
&gpio.PinDesc{18, []string{"P1_12", "GPIO_18", "PCM_CLK"}, gpio.Normal},
|
||||
&gpio.PinDesc{27, []string{"P1_13", "GPIO_27"}, gpio.Normal},
|
||||
&gpio.PinDesc{22, []string{"P1_15", "GPIO_22"}, gpio.Normal},
|
||||
&gpio.PinDesc{23, []string{"P1_16", "GPIO_23"}, gpio.Normal},
|
||||
&gpio.PinDesc{24, []string{"P1_18", "GPIO_24"}, gpio.Normal},
|
||||
&gpio.PinDesc{10, []string{"P1_19", "GPIO_10", "MOSI", "SPI0_MOSI"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{9, []string{"P1_21", "GPIO_9", "MISO", "SPI0_MISO"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{25, []string{"P1_22", "GPIO_25"}, gpio.Normal},
|
||||
&gpio.PinDesc{11, []string{"P1_23", "GPIO_11", "SCLK", "SPI0_SCLK"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{8, []string{"P1_24", "GPIO_8", "CE0", "SPI0_CE0_N"}, gpio.Normal | gpio.SPI},
|
||||
&gpio.PinDesc{7, []string{"P1_26", "GPIO_7", "CE1", "SPI0_CE1_N"}, gpio.Normal | gpio.SPI},
|
||||
}
|
@ -1,27 +0,0 @@
|
||||
package rpi
|
||||
|
||||
import (
|
||||
lgpio "github.com/kidoman/embd/driver/linux/gpio"
|
||||
li2c "github.com/kidoman/embd/driver/linux/i2c"
|
||||
"github.com/kidoman/embd/host"
|
||||
)
|
||||
|
||||
func init() {
|
||||
host.Describers[host.RPi] = describer
|
||||
}
|
||||
|
||||
func describer(rev int) *host.Descriptor {
|
||||
var pins = rev1Pins
|
||||
if rev > 1 {
|
||||
pins = rev2Pins
|
||||
}
|
||||
|
||||
return &host.Descriptor{
|
||||
GPIO: func() interface{} {
|
||||
return lgpio.New(pins)
|
||||
},
|
||||
I2C: func() interface{} {
|
||||
return li2c.New()
|
||||
},
|
||||
}
|
||||
}
|
@ -0,0 +1,57 @@
|
||||
package embd
|
||||
|
||||
func init() {
|
||||
Describers[HostRPi] = func(rev int) *Descriptor {
|
||||
var pins = rpiRev1Pins
|
||||
if rev > 1 {
|
||||
pins = rpiRev2Pins
|
||||
}
|
||||
|
||||
return &Descriptor{
|
||||
GPIO: func() GPIO {
|
||||
return newGPIODriver(pins)
|
||||
},
|
||||
I2C: newI2CDriver,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
var rpiRev1Pins = PinMap{
|
||||
&PinDesc{0, []string{"P1_3", "GPIO_0", "SDA", "I2C0_SDA"}, CapNormal | CapI2C},
|
||||
&PinDesc{1, []string{"P1_5", "GPIO_1", "SCL", "I2C0_SCL"}, CapNormal | CapI2C},
|
||||
&PinDesc{4, []string{"P1_7", "GPIO_4", "GPCLK0"}, CapNormal},
|
||||
&PinDesc{14, []string{"P1_8", "GPIO_14", "TXD", "UART0_TXD"}, CapNormal | CapUART},
|
||||
&PinDesc{15, []string{"P1_10", "GPIO_15", "RXD", "UART0_RXD"}, CapNormal | CapUART},
|
||||
&PinDesc{17, []string{"P1_11", "GPIO_17"}, CapNormal},
|
||||
&PinDesc{18, []string{"P1_12", "GPIO_18", "PCM_CLK"}, CapNormal},
|
||||
&PinDesc{21, []string{"P1_13", "GPIO_21"}, CapNormal},
|
||||
&PinDesc{22, []string{"P1_15", "GPIO_22"}, CapNormal},
|
||||
&PinDesc{23, []string{"P1_16", "GPIO_23"}, CapNormal},
|
||||
&PinDesc{24, []string{"P1_18", "GPIO_24"}, CapNormal},
|
||||
&PinDesc{10, []string{"P1_19", "GPIO_10", "MOSI", "SPI0_MOSI"}, CapNormal | CapSPI},
|
||||
&PinDesc{9, []string{"P1_21", "GPIO_9", "MISO", "SPI0_MISO"}, CapNormal | CapSPI},
|
||||
&PinDesc{25, []string{"P1_22", "GPIO_25"}, CapNormal},
|
||||
&PinDesc{11, []string{"P1_23", "GPIO_11", "SCLK", "SPI0_SCLK"}, CapNormal | CapSPI},
|
||||
&PinDesc{8, []string{"P1_24", "GPIO_8", "CE0", "SPI0_CE0_N"}, CapNormal | CapSPI},
|
||||
&PinDesc{7, []string{"P1_26", "GPIO_7", "CE1", "SPI0_CE1_N"}, CapNormal | CapSPI},
|
||||
}
|
||||
|
||||
var rpiRev2Pins = PinMap{
|
||||
&PinDesc{2, []string{"P1_3", "GPIO_2", "SDA", "I2C1_SDA"}, CapNormal | CapI2C},
|
||||
&PinDesc{3, []string{"P1_5", "GPIO_3", "SCL", "I2C1_SCL"}, CapNormal | CapI2C},
|
||||
&PinDesc{4, []string{"P1_7", "GPIO_4", "GPCLK0"}, CapNormal},
|
||||
&PinDesc{14, []string{"P1_8", "GPIO_14", "TXD", "UART0_TXD"}, CapNormal | CapUART},
|
||||
&PinDesc{15, []string{"P1_10", "GPIO_15", "RXD", "UART0_RXD"}, CapNormal | CapUART},
|
||||
&PinDesc{17, []string{"P1_11", "GPIO_17"}, CapNormal},
|
||||
&PinDesc{18, []string{"P1_12", "GPIO_18", "PCM_CLK"}, CapNormal},
|
||||
&PinDesc{27, []string{"P1_13", "GPIO_27"}, CapNormal},
|
||||
&PinDesc{22, []string{"P1_15", "GPIO_22"}, CapNormal},
|
||||
&PinDesc{23, []string{"P1_16", "GPIO_23"}, CapNormal},
|
||||
&PinDesc{24, []string{"P1_18", "GPIO_24"}, CapNormal},
|
||||
&PinDesc{10, []string{"P1_19", "GPIO_10", "MOSI", "SPI0_MOSI"}, CapNormal | CapSPI},
|
||||
&PinDesc{9, []string{"P1_21", "GPIO_9", "MISO", "SPI0_MISO"}, CapNormal | CapSPI},
|
||||
&PinDesc{25, []string{"P1_22", "GPIO_25"}, CapNormal},
|
||||
&PinDesc{11, []string{"P1_23", "GPIO_11", "SCLK", "SPI0_SCLK"}, CapNormal | CapSPI},
|
||||
&PinDesc{8, []string{"P1_24", "GPIO_8", "CE0", "SPI0_CE0_N"}, CapNormal | CapSPI},
|
||||
&PinDesc{7, []string{"P1_26", "GPIO_7", "CE1", "SPI0_CE1_N"}, CapNormal | CapSPI},
|
||||
}
|