More module decomposition.

Needs much more on device testing.

esp32/optional/serial-bluetooth/bterm.fs

@@ -0,0 +1,40 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+DEFINED? bluetooth [IF]
+
+( Lazy loaded Bluetooth Serial Terminal )
+: bterm r|
+vocabulary bterm  bterm definitions
+also bluetooth also internals also esp
+120000 getFreeHeap - 0 max relinquish ( must have 110k for bluetooth )
+z" forth xx:xx:xx:xx:xx:xx" constant name
+( Create unique name for device )
+base @ hex getEfuseMac
+<# # # char : hold # # #> name 6 + swap cmove
+<# # # char : hold # # char : hold # # char : hold # # #> name c + swap cmove
+base !
+SerialBT.new constant bt
+name 0 bt SerialBT.begin drop
+." Bluetooth Serial Terminal on: " name z>s type cr
+: bt-type ( a n -- ) bt SerialBT.write drop ;
+: bt-key? ( -- f ) bt SerialBT.available 0<> pause ;
+: bt-key ( -- ch ) begin bt-key? until 0 >r rp@ 1 bt SerialBT.readBytes drop r> ;
+: bt-on  ['] bt-type is type      ['] bt-key is key      ['] bt-key? is key? ;
+: bt-off ['] default-type is type ['] default-key is key ['] default-key? is key? ;
+only forth definitions
+bterm 500 ms bt-on
+| evaluate ;
+
+[THEN]