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Retry if device returns hrJERR

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This commit is contained in:
Kristian Sloth Lauszus 2013-10-07 00:41:49 +02:00
parent 7abee0b545
commit 47ff8e55c5
1 changed files with 6 additions and 1 deletions
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7
Usb.cpp
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@ -581,7 +581,12 @@ uint8_t USB::AttemptConfig(uint8_t driver, uint8_t parent, uint8_t port, bool lo
}
}
rcode = devConfig[driver]->Init(parent, port, lowspeed);
if(rcode) {
if (rcode == hrJERR) { // Some devices returns this when plugged in - trying to initialize the device again usually works
delay(100);
devConfig[driver]->ConfigureDevice(parent, port, lowspeed); // Just ignore the returned value
rcode = devConfig[driver]->Init(parent, port, lowspeed);
}
if (rcode) {
// Issue a bus reset, because the device may be in a limbo state
if (parent == 0) {
// Send a bus reset on the root interface.