Replace github.com/google with periph.io/x (#110)

This makes periph.io/x/periph as the repository root so it is not tied to the
Google organisation anymore.

README.md

@@ -16,7 +16,7 @@
 * [doc/users/](doc/users/) for ready-to-use tools.
 * [doc/apps/](doc/apps/) to use `periph` as a library. The complete API
   documentation, including examples, is at
-  [![GoDoc](https://godoc.org/github.com/google/periph?status.svg)](https://godoc.org/github.com/google/periph).
+  [![GoDoc](https://godoc.org/periph.io/x/periph?status.svg)](https://godoc.org/periph.io/x/periph).
 * [doc/drivers/](doc/drivers/) to expand the list of supported hardware.
 
 
@@ -27,7 +27,7 @@ for more info on configuring the host and using the included tools.
 
 ```bash
 # Retrieve and install all the commands at once:
-go get github.com/google/periph/cmd/...
+go get periph.io/x/periph/cmd/...
 # List the host drivers registered and/or initialized:
 periph-info
 # List the known headers:
@@ -49,8 +49,8 @@ package main
 
 import (
     "time"
-    "github.com/google/periph/conn/gpio"
-    "github.com/google/periph/host"
+    "periph.io/x/periph/conn/gpio"
+    "periph.io/x/periph/host"
 )
 
 func main() {
@@ -64,11 +64,11 @@ func main() {
 
 The following are synonyms, use the form you prefer:
 * Runtime discovery:
-  * [`gpio.ByNumber(13)`](https://godoc.org/github.com/google/periph/conn/gpio/#ByNumber) or [`gpio.ByName("13")`](https://godoc.org/github.com/google/periph/conn/gpio/#ByName)
-  *  [`gpio.ByName("GPIO13")`](https://godoc.org/github.com/google/periph/conn/gpio/#ByName)
+  * [`gpio.ByNumber(13)`](https://godoc.org/periph.io/x/periph/conn/gpio/#ByNumber) or [`gpio.ByName("13")`](https://godoc.org/periph.io/x/periph/conn/gpio/#ByName)
+  *  [`gpio.ByName("GPIO13")`](https://godoc.org/periph.io/x/periph/conn/gpio/#ByName)
 * Using global variables:
-  * [`rpi.P1_33`](https://godoc.org/github.com/google/periph/host/rpi#/P1_33) to select the pin via its position on the board
-  * [`bcm283x.GPIO13`](https://godoc.org/github.com/google/periph/host/bcm283x/#GPIO13)
+  * [`rpi.P1_33`](https://godoc.org/periph.io/x/periph/host/rpi#/P1_33) to select the pin via its position on the board
+  * [`bcm283x.GPIO13`](https://godoc.org/periph.io/x/periph/host/bcm283x/#GPIO13)
 
 This example uses basically no CPU: the `Out()` call doesn't call into the
 kernel. Instead it directly changes the GPIO memory mapped register.
@@ -108,12 +108,12 @@ Google Contributor License. Please see
      on each platform.
 3. ... yet doesn't get in the way of platform specific code.
    * e.g. A user can use statically typed global variables
-     [rpi.P1_3](https://godoc.org/github.com/google/periph/host/rpi#pkg-variables),
-     [bcm283x.GPIO2](https://godoc.org/github.com/google/periph/host/bcm283x#Pin)
+     [rpi.P1_3](https://godoc.org/periph.io/x/periph/host/rpi#pkg-variables),
+     [bcm283x.GPIO2](https://godoc.org/periph.io/x/periph/host/bcm283x#Pin)
      to refer to the exact same pin on a Raspberry Pi.
 3. The user can chose to optimize for performance instead of usability.
    * e.g.
-     [apa102.Dev](https://godoc.org/github.com/google/periph/devices/apa102#Dev)
+     [apa102.Dev](https://godoc.org/periph.io/x/periph/devices/apa102#Dev)
      exposes both high level
      [draw.Image](https://golang.org/pkg/image/draw/#Image) to draw an image and
      low level [io.Writer](https://golang.org/pkg/io/#Writer) to write raw RGB
@@ -124,15 +124,15 @@ Google Contributor License. Please see
      "component": one for the CPU, one for the board headers, one for each
      bus and sensor, etc.
 5. Extensible via a [driver
-   registry](https://godoc.org/github.com/google/periph#Register).
+   registry](https://godoc.org/periph.io/x/periph#Register).
    * e.g. a user can inject a custom driver to expose more pins, headers, etc.
      A USB device (like an FT232H) can expose headers _in addition_ to the
      headers found on the host.
 6. The drivers must use the fastest possible implementation.
    * e.g. both
-     [allwinner](https://godoc.org/github.com/google/periph/host/allwinner)
+     [allwinner](https://godoc.org/periph.io/x/periph/host/allwinner)
      and
-     [bcm283x](https://godoc.org/github.com/google/periph/host/bcm283x)
+     [bcm283x](https://godoc.org/periph.io/x/periph/host/bcm283x)
      leverage sysfs gpio to expose interrupt driven edge detection, yet use
      memory mapped GPIO registers to perform single-cycle reads and writes.
 

devices/apa102/apa102.go

@@ -9,8 +9,8 @@ import (
 	"image"
 	"image/color"
 
-	"github.com/google/periph/conn/spi"
-	"github.com/google/periph/devices"
+	"periph.io/x/periph/conn/spi"
+	"periph.io/x/periph/devices"
 )
 
 // maxOut is the maximum intensity of each channel on a APA102 LED.

devices/apa102/apa102_test.go

@@ -13,8 +13,8 @@ import (
 	"log"
 	"testing"
 
-	"github.com/google/periph/conn/spi"
-	"github.com/google/periph/conn/spi/spitest"
+	"periph.io/x/periph/conn/spi"
+	"periph.io/x/periph/conn/spi/spitest"
 )
 
 func TestRamp(t *testing.T) {

devices/bme280/bme280.go

@@ -12,10 +12,10 @@ package bme280
 import (
 	"errors"
 
-	"github.com/google/periph/conn"
-	"github.com/google/periph/conn/i2c"
-	"github.com/google/periph/conn/spi"
-	"github.com/google/periph/devices"
+	"periph.io/x/periph/conn"
+	"periph.io/x/periph/conn/i2c"
+	"periph.io/x/periph/conn/spi"
+	"periph.io/x/periph/devices"
 )
 
 // Oversampling affects how much time is taken to measure each of temperature,

devices/bme280/bme280_test.go

@@ -9,9 +9,9 @@ import (
 	"log"
 	"testing"
 
-	"github.com/google/periph/conn/i2c"
-	"github.com/google/periph/conn/i2c/i2ctest"
-	"github.com/google/periph/devices"
+	"periph.io/x/periph/conn/i2c"
+	"periph.io/x/periph/conn/i2c/i2ctest"
+	"periph.io/x/periph/devices"
 )
 
 // Real data extracted from a device.

devices/devicestest/display.go

@@ -10,7 +10,7 @@ import (
 	"image/color"
 	"image/draw"
 
-	"github.com/google/periph/devices"
+	"periph.io/x/periph/devices"
 )
 
 // Display is a fake devices.Display.

devices/lirc/lirc.go

@@ -14,8 +14,8 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/google/periph/conn/gpio"
-	"github.com/google/periph/conn/ir"
+	"periph.io/x/periph/conn/gpio"
+	"periph.io/x/periph/conn/ir"
 )
 
 // Conn is an open port to lirc.

devices/ssd1306/ssd1306.go

@@ -41,10 +41,10 @@ import (
 	"io"
 	"log"
 
-	"github.com/google/periph/conn/i2c"
-	"github.com/google/periph/conn/spi"
-	"github.com/google/periph/devices"
-	"github.com/google/periph/devices/ssd1306/image1bit"
+	"periph.io/x/periph/conn/i2c"
+	"periph.io/x/periph/conn/spi"
+	"periph.io/x/periph/devices"
+	"periph.io/x/periph/devices/ssd1306/image1bit"
 )
 
 // FrameRate determines scrolling speed.

devices/ssd1306/ssd1306_test.go

@@ -14,9 +14,9 @@ import (
 	"golang.org/x/image/font/basicfont"
 	"golang.org/x/image/math/fixed"
 
-	"github.com/google/periph/conn/i2c"
-	"github.com/google/periph/conn/i2c/i2ctest"
-	"github.com/google/periph/devices/ssd1306/image1bit"
+	"periph.io/x/periph/conn/i2c"
+	"periph.io/x/periph/conn/i2c/i2ctest"
+	"periph.io/x/periph/devices/ssd1306/image1bit"
 )
 
 func TestDrawGray(t *testing.T) {

devices/tm1637/tm1637.go

@@ -14,8 +14,8 @@ import (
 	"runtime"
 	"time"
 
-	"github.com/google/periph/conn/gpio"
-	"github.com/google/periph/host/cpu"
+	"periph.io/x/periph/conn/gpio"
+	"periph.io/x/periph/host/cpu"
 )
 
 // Clock converts time to a slice of bytes as segments.

devices/tm1637/tm1637_test.go

@@ -8,9 +8,9 @@ import (
 	"log"
 	"testing"
 
-	"github.com/google/periph/conn/gpio"
-	"github.com/google/periph/conn/gpio/gpiotest"
-	"github.com/google/periph/host"
+	"periph.io/x/periph/conn/gpio"
+	"periph.io/x/periph/conn/gpio/gpiotest"
+	"periph.io/x/periph/host"
 )
 
 func TestNew(t *testing.T) {

experimental/devices/bitbang/i2c.go

@@ -15,9 +15,9 @@ import (
 	"sync"
 	"time"
 
-	"github.com/google/periph/conn/gpio"
-	"github.com/google/periph/conn/i2c"
-	"github.com/google/periph/host/cpu"
+	"periph.io/x/periph/conn/gpio"
+	"periph.io/x/periph/conn/i2c"
+	"periph.io/x/periph/host/cpu"
 )
 
 // Use SkipAddr to skip the address from being sent.

experimental/devices/bitbang/spi.go

@@ -17,9 +17,9 @@ import (
 	"sync"
 	"time"
 
-	"github.com/google/periph/conn/gpio"
-	"github.com/google/periph/conn/spi"
-	"github.com/google/periph/host/cpu"
+	"periph.io/x/periph/conn/gpio"
+	"periph.io/x/periph/conn/spi"
+	"periph.io/x/periph/host/cpu"
 )
 
 // SPI represents a SPI master implemented as bit-banging on 3 or 4 GPIO pins.

experimental/devices/ds18b20/ds18b20.go

@@ -25,8 +25,8 @@ import (
 	"errors"
 	"time"
 
-	"github.com/google/periph/devices"
-	"github.com/google/periph/experimental/conn/onewire"
+	"periph.io/x/periph/devices"
+	"periph.io/x/periph/experimental/conn/onewire"
 )
 
 // New returns an object that communicates over 1-wire to the DS18B20 sensor with the

experimental/devices/ds18b20/ds18b20_test.go

@@ -9,10 +9,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/google/periph/devices"
-	"github.com/google/periph/experimental/conn/onewire"
-	"github.com/google/periph/experimental/conn/onewire/onewiretest"
-	"github.com/google/periph/host"
+	"periph.io/x/periph/devices"
+	"periph.io/x/periph/experimental/conn/onewire"
+	"periph.io/x/periph/experimental/conn/onewire/onewiretest"
+	"periph.io/x/periph/host"
 )
 
 // TestMain lets periph load all drivers and then runs the tests.

experimental/devices/ds248x/dev.go

@@ -9,8 +9,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/google/periph/conn"
-	"github.com/google/periph/experimental/conn/onewire"
+	"periph.io/x/periph/conn"
+	"periph.io/x/periph/experimental/conn/onewire"
 )
 
 // Dev is a handle to a ds248x device and it implements the onewire.Bus interface.

experimental/devices/ds248x/ds248x.go

@@ -16,7 +16,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/google/periph/conn/i2c"
+	"periph.io/x/periph/conn/i2c"
 )
 
 // PupOhm controls the strength of the passive pull-up resistor

experimental/devices/ds248x/ds248x_test.go

@@ -8,8 +8,8 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/google/periph/conn/i2c"
-	"github.com/google/periph/conn/i2c/i2ctest"
+	"periph.io/x/periph/conn/i2c"
+	"periph.io/x/periph/conn/i2c/i2ctest"
 )
 
 // TestInit tests the initialization of a ds2483 using a recording.

experimental/devices/piblaster/piblaster.go

@@ -21,7 +21,7 @@ import (
 	"io"
 	"os"
 
-	"github.com/google/periph/conn/gpio"
+	"periph.io/x/periph/conn/gpio"
 )
 
 // SetPWM enables and sets the PWM duty on a GPIO output pin via piblaster.