diff options
Diffstat (limited to 'src/host/usbh.c')
| -rw-r--r-- | src/host/usbh.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/host/usbh.c b/src/host/usbh.c index 6159044ab..f3e9d3858 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -411,7 +411,14 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) if ( _dev0.enumerating ) { TU_LOG_USBH("[%u:] USBH Defer Attach until current enumeration complete\r\n", event.rhport); + + bool is_empty = osal_queue_empty(_usbh_q); osal_queue_send(_usbh_q, &event, in_isr); + + if (is_empty) { + // Exit if this is the only event in the queue, otherwise we may loop forever + return; + } }else { TU_LOG_USBH("[%u:] USBH DEVICE ATTACH\r\n", event.rhport); @@ -724,7 +731,7 @@ uint8_t* usbh_get_enum_buf(void) void usbh_int_set(bool enabled) { - // TODO all host controller if multiple is used + // TODO all host controller if multiple are used since they shared the same event queue if (enabled) { hcd_int_enable(_usbh_controller); @@ -1461,7 +1468,10 @@ static bool enum_new_device(hcd_event_t* event) hcd_port_reset_end( _dev0.rhport); // device unplugged while delaying - if ( !hcd_port_connect_status(_dev0.rhport) ) return true; + if ( !hcd_port_connect_status(_dev0.rhport) ) { + enum_full_complete(); + return true; + } _dev0.speed = hcd_port_speed_get(_dev0.rhport ); TU_LOG_USBH("%s Speed\r\n", tu_str_speed[_dev0.speed]); |