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authorFederico Vanzati <f.vanzati@gmail.com>2012-04-06 17:36:09 +0200
committerFederico Vanzati <f.vanzati@gmail.com>2012-04-06 17:36:09 +0200
commit02c5849501294f2965051c41e1236899a55f7bfc (patch)
treec3f4c2119b2c2129d8948b872920a235286dbb40 /cores/arduino/CDC.cpp
parentdd55096901b163b315948e0ddee3706464b3ec26 (diff)
Revert "added a short delay and comment to boolean operator in CDC"
This reverts commit ade4893f585e3e94fa6cf683620e1d12afc88ecd.
Diffstat (limited to 'cores/arduino/CDC.cpp')
-rw-r--r--cores/arduino/CDC.cpp15
1 files changed, 3 insertions, 12 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp
index c1e646d..1275304 100644
--- a/cores/arduino/CDC.cpp
+++ b/cores/arduino/CDC.cpp
@@ -213,19 +213,10 @@ size_t Serial_::write(uint8_t c)
return 0;
}
-// This operator is a convenient way for a sketch to check whether the
-// port has actually been configured and opened by the host (as opposed
-// to just being connected to the host). It can be used, for example, in
-// setup() before printing to ensure that an application on the host is
-// actually ready to receive and display the data.
-// We add a short delay before returning to fix a bug observed by Federico
-// where the port is configured (lineState != 0) but not quite opened.
Serial_::operator bool() {
- bool result = false;
- if (_usbLineInfo.lineState > 0)
- result = true;
- delay(10);
- return result;
+ if (_usbLineInfo.lineState > 0)
+ return true;
+ return false;
}
Serial_ Serial;