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remove immediately reset when device plug.

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check to make sure device is still plug after initial delay (200ms) before reset
remove blocking waiting when reset in ehci.c
This commit is contained in:
hathach
2013-12-19 13:55:22 +07:00
parent cfcef0558a
commit d020c2f609
4 changed files with 21 additions and 14 deletions
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18
tinyusb/host/usbh.c
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@@ -370,14 +370,19 @@ tusb_error_t enumeration_body_subtask(void)
usbh_devices[0].hub_port = enum_entry.hub_port;
usbh_devices[0].state = TUSB_DEVICE_STATE_UNPLUG;
//------------- connected/disconnected directly with roothub -------------//
if ( usbh_devices[0].hub_addr == 0)
{ // connected/disconnected directly with roothub
{
if( hcd_port_connect_status(usbh_devices[0].core_id) )
{ // connection event
osal_task_delay(200); // wait for port reset is complete & device is stable
// hcd_port_reset( usbh_devices[0].core_id ); // port must be reset to have correct speed operation
// osal_task_delay(50); // TODO reset is recommended to last 50 ms (NXP EHCI passes this)
usbh_devices[0].speed = hcd_port_speed_get( usbh_devices[0].core_id );
osal_task_delay(200); // wait until device is stable
if ( !hcd_port_connect_status(usbh_devices[0].core_id) ) SUBTASK_EXIT(TUSB_ERROR_NONE); // exit if device unplugged while delaying
hcd_port_reset( usbh_devices[0].core_id ); // port must be reset to have correct speed operation
osal_task_delay(50); // USB Specs: reset is recommended to last 50 ms
usbh_devices[0].speed = hcd_port_speed_get( usbh_devices[0].core_id );
}
else
{ // disconnection event
@@ -386,8 +391,9 @@ tusb_error_t enumeration_body_subtask(void)
}
}
#if TUSB_CFG_HOST_HUB
//------------- connected/disconnected via hub -------------//
else
{ // connected/disconnected via hub
{
//------------- Get Port Status -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_DEV_TO_HOST, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),