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authorZach Eveland <zeveland@blacklabel-development.com>2011-08-30 11:04:34 -0400
committerZach Eveland <zeveland@blacklabel-development.com>2011-08-30 11:04:34 -0400
commit481fdeab797d449f6b82473b1e377c495224cff7 (patch)
tree2cddbbbc0c6be94842a1e0f5e92e709cfdc8e751 /cores/arduino/CDC.cpp
parent351a78e01e8e61f5d1423f30b17f209151fcf79d (diff)
CDC and HID write() routines now return non-void - brought in line with new write behavior
Diffstat (limited to 'cores/arduino/CDC.cpp')
-rw-r--r--cores/arduino/CDC.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp
index b04c79b..1f1fcb5 100644
--- a/cores/arduino/CDC.cpp
+++ b/cores/arduino/CDC.cpp
@@ -153,7 +153,7 @@ void Serial_::flush(void)
USB_Flush(CDC_TX);
}
-void Serial_::write(uint8_t c)
+size_t Serial_::write(uint8_t c)
{
/* only try to send bytes if the high-level CDC connection itself
is open (not just the pipe) - the OS should set lineState when the port
@@ -164,8 +164,11 @@ void Serial_::write(uint8_t c)
// TODO - ZE - check behavior on different OSes and test what happens if an
// open connection isn't broken cleanly (cable is yanked out, host dies
// or locks up, or host virtual serial port hangs)
- if (_usbLineInfo.lineState > 0)
+ if (_usbLineInfo.lineState > 0) {
USB_Send(CDC_TX,&c,1);
+ return 1;
+ }
+ return 0;
}
Serial_ Serial;