mirror of
https://github.com/kidoman/embd
synced 2025-07-03 11:57:38 +02:00
simplify package structure
This commit is contained in:
Karan Misra
parent
3cae4064dc
commit
36f2c0486d
41 changed files with 736 additions and 885 deletions
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@ -1,64 +0,0 @@
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package bbb
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import (
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"github.com/kidoman/embd/driver/linux/gpio"
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)
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var pins = gpio.PinMap{
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&gpio.PinDesc{66, []string{"P8_07", "GPIO_66", "TIMER4"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{67, []string{"P8_08", "GPIO_67", "TIMER7"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{69, []string{"P8_09", "GPIO_69", "TIMER5"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{68, []string{"P8_10", "GPIO_68", "TIMER6"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{45, []string{"P8_11", "GPIO_45"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{44, []string{"P8_12", "GPIO_44"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{23, []string{"P8_13", "GPIO_23", "EHRPWM2B"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{26, []string{"P8_14", "GPIO_26"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{47, []string{"P8_15", "GPIO_47"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{46, []string{"P8_16", "GPIO_46"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{27, []string{"P8_17", "GPIO_27"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{65, []string{"P8_18", "GPIO_65"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{22, []string{"P8_19", "GPIO_22", "EHRPWM2A"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{61, []string{"P8_26", "GPIO_61"}, gpio.Normal | gpio.GPMC},
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&gpio.PinDesc{86, []string{"P8_27", "GPIO_86"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{88, []string{"P8_28", "GPIO_88"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{87, []string{"P8_29", "GPIO_87"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{89, []string{"P8_30", "GPIO_89"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{10, []string{"P8_31", "GPIO_10", "UART5_CTSN"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{11, []string{"P8_32", "GPIO_11", "UART5_RTSN"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{9, []string{"P8_33", "GPIO_9 ", "UART4_RTSN"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{81, []string{"P8_34", "GPIO_81", "UART3_RTSN"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{8, []string{"P8_35", "GPIO_8 ", "UART4_CTSN"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{80, []string{"P8_36", "GPIO_80", "UART3_CTSN"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{78, []string{"P8_37", "GPIO_78", "UART5_TXD"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{79, []string{"P8_38", "GPIO_79", "UART5_RXD"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{76, []string{"P8_39", "GPIO_76"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{77, []string{"P8_40", "GPIO_77"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{74, []string{"P8_41", "GPIO_74"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{75, []string{"P8_42", "GPIO_75"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{72, []string{"P8_43", "GPIO_72"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{73, []string{"P8_44", "GPIO_73"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{70, []string{"P8_45", "GPIO_70"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{71, []string{"P8_46", "GPIO_71"}, gpio.Normal | gpio.LCD},
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&gpio.PinDesc{30, []string{"P9_11", "GPIO_30", "UART4_RXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{60, []string{"P9_12", "GPIO_60", "GPIO1_28"}, gpio.Normal},
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&gpio.PinDesc{31, []string{"P9_13", "GPIO_31", "UART4_TXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{50, []string{"P9_14", "GPIO_50", "EHRPWM1A"}, gpio.Normal | gpio.PWM},
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&gpio.PinDesc{48, []string{"P9_15", "GPIO_48", "GPIO1_16"}, gpio.Normal},
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&gpio.PinDesc{51, []string{"P9_16", "GPIO_51", "EHRPWM1B"}, gpio.Normal | gpio.PWM},
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&gpio.PinDesc{5, []string{"P9_17", "GPIO_5", "I2C1_SCL"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{4, []string{"P9_18", "GPIO_4", "I2C1_SDA"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{13, []string{"P9_19", "GPIO_13", "I2C2_SCL"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{12, []string{"P9_20", "GPIO_12", "I2C2_SDA"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{3, []string{"P9_21", "GPIO_3", "UART2_TXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{2, []string{"P9_22", "GPIO_2", "UART2_RXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{49, []string{"P9_23", "GPIO_49", "GPIO1_17"}, gpio.Normal},
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&gpio.PinDesc{15, []string{"P9_24", "GPIO_15", "UART1_TXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{117, []string{"P9_25", "GPIO_117", "GPIO3_21"}, gpio.Normal},
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&gpio.PinDesc{14, []string{"P9_26", "GPIO_14", "UART1_RXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{115, []string{"P9_27", "GPIO_115", "GPIO3_19"}, gpio.Normal},
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&gpio.PinDesc{113, []string{"P9_28", "GPIO_113", "SPI1_CS0"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{111, []string{"P9_29", "GPIO_111", "SPI1_D0"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{112, []string{"P9_30", "GPIO_112", "SPI1_D1"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{110, []string{"P9_31", "GPIO_110", "SPI1_SCLK"}, gpio.Normal | gpio.SPI},
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}
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@ -1,22 +0,0 @@
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package bbb
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import (
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lgpio "github.com/kidoman/embd/driver/linux/gpio"
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li2c "github.com/kidoman/embd/driver/linux/i2c"
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"github.com/kidoman/embd/host"
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)
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func init() {
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host.Describers[host.BBB] = describer
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}
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func describer(rev int) *host.Descriptor {
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return &host.Descriptor{
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GPIO: func() interface{} {
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return lgpio.New(pins)
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},
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I2C: func() interface{} {
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return li2c.New()
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},
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}
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}
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@ -1,26 +0,0 @@
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package host
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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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}
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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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if err != nil {
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return nil, err
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}
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describer, ok := Describers[host]
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if !ok {
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return nil, fmt.Errorf("host: invalid host %q", host)
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}
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return describer(rev), nil
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}
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@ -1,93 +0,0 @@
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package host
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import (
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"fmt"
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"os/exec"
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"strconv"
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"strings"
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)
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type Host int
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const (
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Null Host = iota
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RPi
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BBB
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CubieTruck
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Galileo
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)
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func execOutput(name string, arg ...string) (output string, err error) {
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var out []byte
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if out, err = exec.Command(name, arg...).Output(); err != nil {
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return
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}
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output = strings.TrimSpace(string(out))
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return
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}
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func nodeName() (string, error) {
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return execOutput("uname", "-n")
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}
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func parseVersion(str string) (major, minor, patch int, err error) {
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parts := strings.Split(str, ".")
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len := len(parts)
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if major, err = strconv.Atoi(parts[0]); err != nil {
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return 0, 0, 0, err
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}
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if minor, err = strconv.Atoi(parts[1]); err != nil {
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return 0, 0, 0, err
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}
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if len > 2 {
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part := parts[2]
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part = strings.TrimSuffix(part, "+")
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if patch, err = strconv.Atoi(part); err != nil {
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return 0, 0, 0, err
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}
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}
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return major, minor, patch, err
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}
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func kernelVersion() (major, minor, patch int, err error) {
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output, err := execOutput("uname", "-r")
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if err != nil {
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return 0, 0, 0, err
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}
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return parseVersion(output)
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}
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func Detect() (Host, int, error) {
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major, minor, patch, err := kernelVersion()
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if err != nil {
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return Null, 0, err
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}
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if major < 3 || (major == 3 && minor < 8) {
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err = fmt.Errorf("embd: linux kernel versions lower than 3.8 are not supported. you have %v.%v.%v", major, minor, patch)
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return Null, 0, err
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}
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node, err := nodeName()
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if err != nil {
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return Null, 0, err
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}
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var host Host
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var rev int
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switch node {
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case "raspberrypi":
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host = RPi
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case "beaglebone":
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host = BBB
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default:
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err = fmt.Errorf("embd: your host %q is not supported at this moment. please request support at https://github.com/kidoman/embd/issues", node)
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return Null, 0, err
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}
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return host, rev, nil
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}
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@ -1,29 +0,0 @@
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package host
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import "testing"
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func TestKernelVersionParse(t *testing.T) {
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var tests = []struct {
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versionStr string
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major, minor, patch int
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}{
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{
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"3.8.2",
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3, 8, 2,
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},
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{
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"3.8.10+",
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3, 8, 10,
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},
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}
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for _, test := range tests {
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major, minor, patch, err := parseVersion(test.versionStr)
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if err != nil {
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t.Errorf("Failed parsing %q: %v", test.versionStr, err)
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continue
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}
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if major != test.major || minor != test.minor || patch != test.patch {
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t.Errorf("Parse of %q: got (%v, %v, %v) want (%v, %v, %v)", test.versionStr, major, minor, patch, test.major, test.minor, test.patch)
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}
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}
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}
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@ -1,45 +0,0 @@
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package rpi
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import (
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"github.com/kidoman/embd/driver/linux/gpio"
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)
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var rev1Pins = gpio.PinMap{
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&gpio.PinDesc{0, []string{"P1_3", "GPIO_0", "SDA", "I2C0_SDA"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{1, []string{"P1_5", "GPIO_1", "SCL", "I2C0_SCL"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{4, []string{"P1_7", "GPIO_4", "GPCLK0"}, gpio.Normal},
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&gpio.PinDesc{14, []string{"P1_8", "GPIO_14", "TXD", "UART0_TXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{15, []string{"P1_10", "GPIO_15", "RXD", "UART0_RXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{17, []string{"P1_11", "GPIO_17"}, gpio.Normal},
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&gpio.PinDesc{18, []string{"P1_12", "GPIO_18", "PCM_CLK"}, gpio.Normal},
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&gpio.PinDesc{21, []string{"P1_13", "GPIO_21"}, gpio.Normal},
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&gpio.PinDesc{22, []string{"P1_15", "GPIO_22"}, gpio.Normal},
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&gpio.PinDesc{23, []string{"P1_16", "GPIO_23"}, gpio.Normal},
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&gpio.PinDesc{24, []string{"P1_18", "GPIO_24"}, gpio.Normal},
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&gpio.PinDesc{10, []string{"P1_19", "GPIO_10", "MOSI", "SPI0_MOSI"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{9, []string{"P1_21", "GPIO_9", "MISO", "SPI0_MISO"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{25, []string{"P1_22", "GPIO_25"}, gpio.Normal},
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&gpio.PinDesc{11, []string{"P1_23", "GPIO_11", "SCLK", "SPI0_SCLK"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{8, []string{"P1_24", "GPIO_8", "CE0", "SPI0_CE0_N"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{7, []string{"P1_26", "GPIO_7", "CE1", "SPI0_CE1_N"}, gpio.Normal | gpio.SPI},
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}
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var rev2Pins = gpio.PinMap{
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&gpio.PinDesc{2, []string{"P1_3", "GPIO_2", "SDA", "I2C1_SDA"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{3, []string{"P1_5", "GPIO_3", "SCL", "I2C1_SCL"}, gpio.Normal | gpio.I2C},
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&gpio.PinDesc{4, []string{"P1_7", "GPIO_4", "GPCLK0"}, gpio.Normal},
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&gpio.PinDesc{14, []string{"P1_8", "GPIO_14", "TXD", "UART0_TXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{15, []string{"P1_10", "GPIO_15", "RXD", "UART0_RXD"}, gpio.Normal | gpio.UART},
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&gpio.PinDesc{17, []string{"P1_11", "GPIO_17"}, gpio.Normal},
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&gpio.PinDesc{18, []string{"P1_12", "GPIO_18", "PCM_CLK"}, gpio.Normal},
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&gpio.PinDesc{27, []string{"P1_13", "GPIO_27"}, gpio.Normal},
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&gpio.PinDesc{22, []string{"P1_15", "GPIO_22"}, gpio.Normal},
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&gpio.PinDesc{23, []string{"P1_16", "GPIO_23"}, gpio.Normal},
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&gpio.PinDesc{24, []string{"P1_18", "GPIO_24"}, gpio.Normal},
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&gpio.PinDesc{10, []string{"P1_19", "GPIO_10", "MOSI", "SPI0_MOSI"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{9, []string{"P1_21", "GPIO_9", "MISO", "SPI0_MISO"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{25, []string{"P1_22", "GPIO_25"}, gpio.Normal},
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&gpio.PinDesc{11, []string{"P1_23", "GPIO_11", "SCLK", "SPI0_SCLK"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{8, []string{"P1_24", "GPIO_8", "CE0", "SPI0_CE0_N"}, gpio.Normal | gpio.SPI},
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&gpio.PinDesc{7, []string{"P1_26", "GPIO_7", "CE1", "SPI0_CE1_N"}, gpio.Normal | gpio.SPI},
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}
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@ -1,27 +0,0 @@
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package rpi
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import (
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lgpio "github.com/kidoman/embd/driver/linux/gpio"
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li2c "github.com/kidoman/embd/driver/linux/i2c"
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"github.com/kidoman/embd/host"
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)
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func init() {
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host.Describers[host.RPi] = describer
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}
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func describer(rev int) *host.Descriptor {
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var pins = rev1Pins
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if rev > 1 {
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pins = rev2Pins
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}
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return &host.Descriptor{
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GPIO: func() interface{} {
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return lgpio.New(pins)
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},
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I2C: func() interface{} {
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return li2c.New()
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},
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}
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}
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