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

1 files changed, 3 insertions, 1 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