Has anyone tested the USB over current function of iMX27?
I configure "USB_OC_B" to act as USB Host 1 over current detection pin, but when I trigger this pin, both Host 1 and Host 2 over current interrupts come in.
The USB Configuration Register settings is:
When I simulated over current on "USB_OC_B" pin, the following debug messages comes in:
GetPortStatus host 2 = 0x80001831, USBSTS=0xC48C, SysIntr=23
GetPortStatus host 1 = 0xE0501831, USBSTS=0xC08C, SysIntr=24
Anyone can advise me? Thanks in advance.