Merge pull request #4046 from jamike/USBHOST_HUB_FIX

USBHOST : fix device disconnection from hub during hub port reset
2017-03-29 23:02:39 +01:00 · 2017-03-29 23:02:39 +01:00 · acaf5fbb42
parent e3c0ac6c17 f6f73938eb
commit acaf5fbb42
1 changed files with 3 additions and 0 deletions
--- a/features/unsupported/USBHost/USBHostHub/USBHostHub.cpp
+++ b/features/unsupported/USBHost/USBHostHub/USBHostHub.cpp
@ -227,6 +227,9 @@ void USBHostHub::portReset(uint8_t port) {
 #endif
    while(1) {
        status = getPortStatus(port);
+        /*  disconnection since reset request */
+        if (!(status & PORT_CONNECTION))
+            break;
        if (status & (PORT_ENABLE | PORT_RESET))
            break;
        if (status & PORT_OVER_CURRENT) {