Function usb_plug

core/usb/usb.c:77–81

Connected Plug B: plug: 0 -> 1 OTGCSR_A_VBUS_VLD 0 -> 1 OTGCSR_A_SESS_VLD 0 -> 1 OTGCSR_B_SESS_VLD 1 -> 0 OTGCSR_B_SESS_END 0 -> 1 GISR2_RESUME unplug: 1 -> 0 OTGCSR_A_VBUS_VLD 1 -> 0 GISR2_RESUME . 1 -> 0 OTGCSR_A_SESS_VLD 1 -> 0 OTGCSR_B_SESS_VLD ... 0 -> 1 OTGCSR_B_SESS_END

//   ...
//   0 -> 1 OTGCSR_B_SESS_END
static void usb_plug(void) {
    usb.regs.otgcsr |= OTGCSR_A_VBUS_VLD | OTGCSR_A_SESS_VLD | OTGCSR_B_SESS_VLD;
    usb.regs.otgcsr &= ~OTGCSR_B_SESS_END;
    usb_grp2_int(GISR2_RESUME);
}

static int usb_dispatch_event(void) {
    int error = 0;