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Put 'writeLine' into serial ref example (#1747)

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* Put 'writeLine' into serial ref example

* how about a space
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Galen Nickel 2018-12-17 13:27:24 -08:00 committed by Abhijith Chatra
parent 3eb46f08a4
commit f4bb37b4bf
1 changed files with 16 additions and 7 deletions
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docs/reference/serial/write-line.md
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@ -1,6 +1,6 @@
# Serial Write Line # Serial Write Line
Write a string to the [serial](/device/serial) port and start a new line of text Write a string to the [serial](/device/serial) port and start a new line of text
by writing `\r\n`. by writing `\r\n`.
```sig ```sig
@ -11,9 +11,11 @@ serial.writeLine("");
* `text` is the [string](/types/string) to write to the serial port * `text` is the [string](/types/string) to write to the serial port
## Example: simple serial ## Examples
This program writes the word `BOFFO` to the serial port repeatedly. ### Simple serial
Write the word `BOFFO` to the serial port repeatedly.
```blocks ```blocks
basic.forever(() => { basic.forever(() => {
@ -22,29 +24,36 @@ basic.forever(() => {
}); });
``` ```
## Example: streaming data ### Streaming data
This program checks the Check the [compass heading](/reference/input/compass-heading) and show the direction on the screen. Also, send both the direction and degree heading to the serial port.
[compass heading](/reference/input/compass-heading) and sends the
direction to the serial port repeatedly.
```blocks ```blocks
let degrees = 0 let degrees = 0
let direction = ""
basic.forever(() => { basic.forever(() => {
degrees = input.compassHeading() degrees = input.compassHeading()
if (degrees < 45) { if (degrees < 45) {
basic.showArrow(ArrowNames.North) basic.showArrow(ArrowNames.North)
direction = "North"
} else if (degrees < 135) { } else if (degrees < 135) {
basic.showArrow(ArrowNames.East) basic.showArrow(ArrowNames.East)
direction = "East"
} else if (degrees < 225) { } else if (degrees < 225) {
basic.showArrow(ArrowNames.South) basic.showArrow(ArrowNames.South)
direction = "South"
} else if (degrees < 315) { } else if (degrees < 315) {
basic.showArrow(ArrowNames.West) basic.showArrow(ArrowNames.West)
direction = "West"
} else { } else {
basic.showArrow(ArrowNames.North) basic.showArrow(ArrowNames.North)
direction = "North"
} }
serial.writeLine(direction + " @ " + degrees + " degrees")
basic.pause(500)
}) })
``` ```
## See also ## See also
[serial](/device/serial), [serial](/device/serial),