implement hcd_port_speed_get

move port reset & speed detection from isr context to usbh enumeration task
- decrease time in isr significantly from 50 ms to 580us
fix bug with osal_task_delay for freeRTOS buil

tinyusb/host/ehci/ehci.c

@@ -137,7 +137,7 @@ void hcd_port_reset(uint8_t hostid)
 #ifndef _TEST_
   // NXP specific, port reset will automatically be 0 when reset sequence complete
   // there is chance device is unplugged while reset sequence is not complete
-  while( regs->portsc_bit.port_reset) {}
+  while( regs->portsc_bit.port_reset) {} // TODO use task delay to remove blocking
 #endif
 }
 
@@ -146,6 +146,11 @@ bool hcd_port_connect_status(uint8_t hostid)
   return get_operational_register(hostid)->portsc_bit.current_connect_status;
 }
 
+tusb_speed_t hcd_port_speed_get(uint8_t hostid)
+{
+  return get_operational_register(hostid)->portsc_bit.nxp_port_speed; // NXP specific port speed
+}
+
 //--------------------------------------------------------------------+
 // Controller API
 //--------------------------------------------------------------------+
@@ -479,8 +484,7 @@ void port_connect_status_change_isr(uint8_t hostid)
 
   if (regs->portsc_bit.current_connect_status) // device plugged
   {
-    hcd_port_reset(hostid);
-    usbh_device_plugged_isr(hostid, regs->portsc_bit.nxp_port_speed); // NXP specific port speed
+    usbh_device_plugged_isr(hostid);
   }else // device unplugged
   {
     usbh_device_unplugged_isr(hostid);

tinyusb/host/hcd.h

@@ -105,8 +105,9 @@ tusb_error_t hcd_pipe_cancel()ATTR_WARN_UNUSED_RESULT;
 // PORT API
 //--------------------------------------------------------------------+
 /// return the current connect status of roothub port
-bool hcd_port_connect_status(uint8_t core_id) ATTR_CONST ATTR_WARN_UNUSED_RESULT;
-void hcd_port_reset(uint8_t core_id);
+bool hcd_port_connect_status(uint8_t hostid) ATTR_PURE ATTR_WARN_UNUSED_RESULT; // TODO make inline if possible
+void hcd_port_reset(uint8_t hostid);
+tusb_speed_t hcd_port_speed_get(uint8_t hostid) ATTR_PURE ATTR_WARN_UNUSED_RESULT; // TODO make inline if possible
 
 #ifdef __cplusplus
  }

tinyusb/host/usbh.c

@@ -202,10 +202,10 @@ void usbh_isr(pipe_handle_t pipe_hdl, uint8_t class_code, tusb_event_t event)
   }
 }
 
-void usbh_device_plugged_isr(uint8_t hostid, tusb_speed_t speed)
+void usbh_device_plugged_isr(uint8_t hostid)
 {
   osal_queue_send(enum_queue_hdl,
-                  &(usbh_enumerate_t){ .core_id = hostid, .speed = speed} );
+                  &(usbh_enumerate_t){ .core_id = hostid} );
 }
 
 void usbh_device_unplugged_isr(uint8_t hostid)
@@ -277,16 +277,19 @@ tusb_error_t enumeration_body_subtask(void)
   osal_queue_receive(enum_queue_hdl, &enum_entry, OSAL_TIMEOUT_WAIT_FOREVER, &error);
 
   SUBTASK_ASSERT( hcd_port_connect_status(enum_entry.core_id) ); // ensure device is still plugged
+
   usbh_devices[0].core_id  = enum_entry.core_id; // TODO refractor integrate to device_pool
   usbh_devices[0].hub_addr = enum_entry.hub_addr;
   usbh_devices[0].hub_port = enum_entry.hub_port;
-  usbh_devices[0].speed    = enum_entry.speed;
+
+  hcd_port_reset( usbh_devices[0].core_id ); // port must be reset to have correct speed operation
+  usbh_devices[0].speed    = hcd_port_speed_get( usbh_devices[0].core_id );
 
   SUBTASK_ASSERT_STATUS( usbh_pipe_control_open(0, 8) );
   usbh_devices[0].state = TUSB_DEVICE_STATE_ADDRESSED;
 
 #ifndef _TEST_
-  // TODO finalize delay after reset, hack delay 100 ms, otherwise speed is detected as LOW in most cases
+  // TODO hack delay 100 ms for slow device (use retry on the 1st xfer instead later)
   osal_task_delay(100);
 #endif
 

tinyusb/host/usbh_hcd.h

@@ -72,7 +72,7 @@ typedef struct ATTR_ALIGNED(4){
   uint8_t core_id;
   uint8_t hub_addr;
   uint8_t hub_port;
-  uint8_t speed;
+  uint8_t reserve;
 } usbh_enumerate_t;
 
 typedef struct { // TODO internal structure, re-order members
@@ -107,7 +107,7 @@ extern usbh_device_info_t usbh_devices[TUSB_CFG_HOST_DEVICE_MAX+1]; // including
 
 //------------- callback from HCD ISR-------------//
 void usbh_isr(pipe_handle_t pipe_hdl, uint8_t class_code, tusb_event_t event);
-void usbh_device_plugged_isr(uint8_t hostid, tusb_speed_t speed);
+void usbh_device_plugged_isr(uint8_t hostid);
 void usbh_device_unplugged_isr(uint8_t hostid);
 
 #ifdef __cplusplus