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Limit number of retries

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This commit is contained in:
Kristian Lauszus 2013-11-11 00:45:27 +01:00
parent 0dc2b81509
commit a03df2519b
1 changed files with 5 additions and 2 deletions
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7
Usb.cpp
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@ -567,6 +567,7 @@ uint8_t USB::DefaultAddressing(uint8_t parent, uint8_t port, bool lowspeed) {
uint8_t USB::AttemptConfig(uint8_t driver, uint8_t parent, uint8_t port, bool lowspeed) { uint8_t USB::AttemptConfig(uint8_t driver, uint8_t parent, uint8_t port, bool lowspeed) {
//printf("AttemptConfig: parent = %i, port = %i\r\n", parent, port); //printf("AttemptConfig: parent = %i, port = %i\r\n", parent, port);
uint8_t retries = 0;
again: again:
uint8_t rcode = devConfig[driver]->ConfigureDevice(parent, port, lowspeed); uint8_t rcode = devConfig[driver]->ConfigureDevice(parent, port, lowspeed);
@ -579,15 +580,17 @@ again:
// reset parent port // reset parent port
devConfig[parent]->ResetHubPort(port); devConfig[parent]->ResetHubPort(port);
} }
} else if (rcode == hrJERR) { // Some devices returns this when plugged in - trying to initialize the device again usually works } else if (rcode == hrJERR && retries < 3) { // Some devices returns this when plugged in - trying to initialize the device again usually works
delay(100); delay(100);
retries++;
goto again; goto again;
} else if (rcode) } else if (rcode)
return rcode; return rcode;
rcode = devConfig[driver]->Init(parent, port, lowspeed); rcode = devConfig[driver]->Init(parent, port, lowspeed);
if (rcode == hrJERR) { // Some devices returns this when plugged in - trying to initialize the device again usually works if (rcode == hrJERR && retries < 3) { // Some devices returns this when plugged in - trying to initialize the device again usually works
delay(100); delay(100);
retries++;
goto again; goto again;
} }
if (rcode) { if (rcode) {