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Fix for compile warnings on Linux: check return values on read/write.

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This commit is contained in:
Andrzej Kapolka 2013-09-03 10:45:33 -07:00
parent 2aaff63b32
commit 843d5656bd
1 changed files with 8 additions and 2 deletions
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10
interface/src/SerialInterface.cpp
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@ -125,9 +125,15 @@ void SerialInterface::initializePort(char* portname) {
tcflush(_serialDescriptor, TCIOFLUSH);
// this disables streaming so there's no garbage data on reads
write(_serialDescriptor, "SD\n", 3);
if (write(_serialDescriptor, "SD\n", 3) != 3) {
qDebug("Failed.\n");
return;
}
char result[4];
read(_serialDescriptor, result, 4);
if (read(_serialDescriptor, result, 4) != 4) {
qDebug("Failed.\n");
return;
}
tty_set_file_descriptor(_serialDescriptor);
mpu_init(0);