make freertos source unmodified to ease the upgrade process later

use CGU_GetPCLKFrequency as configCPU_CLOCK_HZ for lpc43xx using with freeRTOS
move portmarco.h include to FreeRTOSConfig.h to have untouched version of freertos
add a readme.md to vendor/freertos
refractor usbh.c, increase POWER_STABLE_DELAY = 500, RESET_DELAY = 200
fix bug with hub, only handle 1 port at a time when reading hub status change endpoint --> other port will be handled in the next cycle

2 files changed, 9 insertions, 10 deletions

diff --git a/tinyusb/host/hub.c b/tinyusb/host/hub.c
index 3259732e3..e9608f952 100644
--- a/tinyusb/host/hub.c
+++ b/tinyusb/host/hub.c
@@ -105,6 +105,7 @@ tusb_error_t hub_port_clear_feature_subtask(uint8_t hub_addr, uint8_t hub_port,
 

 tusb_error_t hub_port_reset_subtask(uint8_t hub_addr, uint8_t hub_port)

 {

+  enum { RESET_DELAY = 200 }; // USB specs say only 50ms but many devices require much longer

   tusb_error_t error;

 

   OSAL_SUBTASK_BEGIN

@@ -118,7 +119,7 @@ tusb_error_t hub_port_reset_subtask(uint8_t hub_addr, uint8_t hub_port)
   );

   SUBTASK_ASSERT_STATUS( error );

 

-  osal_task_delay(50); // TODO Hub wait for Status Endpoint on Reset Change

+  osal_task_delay(RESET_DELAY); // TODO Hub wait for Status Endpoint on Reset Change

 

   //------------- Get Port Status to check if port is enabled, powered and reset_change -------------//

   OSAL_SUBTASK_INVOKED_AND_WAIT(

@@ -221,6 +222,7 @@ void hub_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes)
       if ( BIT_TEST_(p_hub->status_change, port) )

       {

         usbh_hub_port_plugged_isr(pipe_hdl.dev_addr, port);

+        break; // handle one port at a time, next port if any will be handled in the next cycle

       }

     }

     // NOTE: next status transfer is queued by usbh.c after handling this request

diff --git a/tinyusb/host/usbh.c b/tinyusb/host/usbh.c
index 5504e9602..e694ef066 100644
--- a/tinyusb/host/usbh.c
+++ b/tinyusb/host/usbh.c
@@ -199,14 +199,11 @@ tusb_error_t usbh_control_xfer_subtask(uint8_t dev_addr, uint8_t bmRequestType,
   usbh_devices[dev_addr].control.pipe_status = TUSB_EVENT_XFER_COMPLETE; // in Test project, mark as complete immediately

 #endif

 

-  SUBTASK_ASSERT_STATUS_WITH_HANDLER( hcd_pipe_control_xfer(dev_addr, &usbh_devices[dev_addr].control.request, data),

-                                      osal_mutex_release(usbh_devices[dev_addr].control.mutex_hdl) );

-

-  osal_semaphore_wait(usbh_devices[dev_addr].control.sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static

+  error = hcd_pipe_control_xfer(dev_addr, &usbh_devices[dev_addr].control.request, data);

+  if ( TUSB_ERROR_NONE == error ) osal_semaphore_wait(usbh_devices[dev_addr].control.sem_hdl, OSAL_TIMEOUT_NORMAL, &error);

   osal_mutex_release(usbh_devices[dev_addr].control.mutex_hdl);

 

-  // TODO make handler for this function general purpose

-  if (TUSB_ERROR_NONE != error)   SUBTASK_EXIT(error);

+  SUBTASK_ASSERT_STATUS(error);

   if (TUSB_EVENT_XFER_STALLED == usbh_devices[dev_addr].control.pipe_status) SUBTASK_EXIT(TUSB_ERROR_USBH_XFER_STALLED);

   if (TUSB_EVENT_XFER_ERROR   == usbh_devices[dev_addr].control.pipe_status) SUBTASK_EXIT(TUSB_ERROR_USBH_XFER_FAILED);

 

@@ -259,7 +256,7 @@ void usbh_xfer_isr(pipe_handle_t pipe_hdl, uint8_t class_code, tusb_event_t even
     usbh_class_drivers[class_index].isr(pipe_hdl, event, xferred_bytes);

   }else

   {

-    ASSERT(false, VOID_RETURN); // something wrong, no one claims the isr's source

+    ASSERT_FAILED(VOID_RETURN); // something wrong, no one claims the isr's source

   }

 }

 

@@ -361,8 +358,8 @@ OSAL_TASK_FUNCTION(usbh_enumeration_task, p_task_para)
 tusb_error_t enumeration_body_subtask(void)

 {

   enum {

-    POWER_STABLE_DELAY = 300,

-    RESET_DELAY = 100 // NXP's EHCI require more than 50ms to work properly although the USB specs say only 50ms

+    POWER_STABLE_DELAY = 500,

+    RESET_DELAY        = 200 // USB specs say only 50ms but many devices require much longer

   };

 

   tusb_error_t error;