c_meyer/pxt-calliope
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
* Put 'writeLine' into serial ref example

* how about a space
This commit is contained in:
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
docs/reference/serial/write-line.md
View File

@ -1,6 +1,6 @@
# 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`.
```sig
@ -11,9 +11,11 @@ serial.writeLine("");
* `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
basic.forever(() => {
@ -22,29 +24,36 @@ basic.forever(() => {
});
```
## Example: streaming data
### Streaming data
This program checks the
[compass heading](/reference/input/compass-heading) and sends the
direction to the serial port repeatedly.
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.
```blocks
let degrees = 0
let direction = ""
basic.forever(() => {
degrees = input.compassHeading()
if (degrees < 45) {
basic.showArrow(ArrowNames.North)
direction = "North"
} else if (degrees < 135) {
basic.showArrow(ArrowNames.East)
direction = "East"
} else if (degrees < 225) {
basic.showArrow(ArrowNames.South)
direction = "South"
} else if (degrees < 315) {
basic.showArrow(ArrowNames.West)
direction = "West"
} else {
basic.showArrow(ArrowNames.North)
direction = "North"
}
serial.writeLine(direction + " @ " + degrees + " degrees")
basic.pause(500)
})
```
## See also
[serial](/device/serial),