"serial ports" library

HISTORY.md

@@ -21,6 +21,7 @@
 ### 2021-07-05
 * gui: unified palette: indicate "selected" category in selector buttons
 * extensions: web-serial extension primitives, pioneered by Dariusz Dorożalski
+* added new "serial ports" library
 
 ### 2021-07-04
 * fixed audio_comp library "plot sound" block to work with translations, thanks, Hans, for the report!

libraries/LIBRARIES

@@ -21,6 +21,10 @@ localstorage_module.xml	Database	Persistent key-value storage across Snap! sessi
 ~	~
 ~	~
 ~	~
+serial_module.xml	Serial Ports	Connect to hardware extensions through the Web Serial API (Chromium, Chrome or Edge required)
+~	~
+~	~
+~	~
 word-sentence.xml	Words, sentences	One of the big ideas in Logo that they left out of Scratch is thinking of text as structured into words and sentences, rather than just a string of characters.  This library brings back that idea.
 strings.xml	Strings, Multi-line input	Extract substrings of a string in various ways. In general, text inputs allow only a single line.  The MULTILINE block accepts multi-line text input and can be used in text input slots of other blocks.
 apl.xml	APL primitives	Adds features from the APL language supporting hyperblocks.

libraries/serial_module.xml

@@ -0,0 +1 @@
+<blocks app="Snap! 7dev, https://snap.berkeley.edu" version="2"><block-definition s="WEBSer $flag-1-0-255-0 open %&apos;baudRate&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%n">115200<options>9600&#xD;19200&#xD;38400&#xD;57600&#xD;115200</options></input></inputs><script><block s="doReport"><block s="reportApplyExtension"><l>srl_open(baud, buffer)</l><list><block var="baudRate"/><l>15000</l></list></block></block></script></block-definition><block-definition s="WEBSer $flag-1-255-0-0 close %&apos;port&apos;" type="command" category="other"><comment x="0" y="0" w="90" collapsed="true">Close port.</comment><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true">port</input></inputs><script><block s="doApplyExtension"><l>srl_close(port)</l><list><block var="port"/></list></block></script></block-definition><block-definition s="WEBSer $flash-1-0-255-0 read %&apos;port&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%s">port</input></inputs><script><block s="doReport"><block s="reportApplyExtension"><l>srl_read(port)</l><list><block var="port"/></list></block></block></script></block-definition><block-definition s="WEBSer $flash-1-0-255-0 write %&apos;port&apos; %&apos;bytes&apos;" type="command" category="other"><comment x="0" y="0" w="193.33528645833292" collapsed="true">Write to the port a list containing numbers</comment><header></header><code></code><translations></translations><inputs><input type="%s">port</input><input type="%l"></input></inputs><script><block s="doApplyExtension"><l>srl_write(port, bytes)</l><list><block var="port"/><block var="bytes"/></list></block></script></block-definition></blocks>