add tusb_inited() API, check for inited() before running device/host task

4 files changed, 14 insertions, 0 deletions

diff --git a/src/device/usbd.c b/src/device/usbd.c
index 9c08a7932..d4eccf0c4 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -240,6 +240,9 @@ static void usbd_reset(uint8_t rhport)
  */

 void tud_task (void)

 {

+  // Skip if stack is not initialized

+  if ( !tusb_inited() ) return;

+

   // Loop until there is no more events in the queue

   while (1)

   {

diff --git a/src/host/usbh.c b/src/host/usbh.c
index 4334729e9..a7e7c2acd 100644
--- a/src/host/usbh.c
+++ b/src/host/usbh.c
@@ -620,6 +620,9 @@ bool enum_task(hcd_event_t* event)
  */

 void tuh_task(void)

 {

+  // Skip if stack is not initialized

+  if ( !tusb_inited() ) return;

+

   // Loop until there is no more events in the queue

   while (1)

   {

diff --git a/src/tusb.c b/src/tusb.c
index ad2dcbfd3..566d74df7 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -68,6 +68,11 @@ bool tusb_init(void)
   return TUSB_ERROR_NONE;

 }

 

+bool tusb_inited(void)

+{

+  return _initialized;

+}

+

 /*------------------------------------------------------------------*/

 /* Debug

  *------------------------------------------------------------------*/

diff --git a/src/tusb.h b/src/tusb.h
index fb20c5ff7..69c4d16d2 100644
--- a/src/tusb.h
+++ b/src/tusb.h
@@ -108,6 +108,9 @@
 // Initialize device/host stack

 bool tusb_init(void);

 

+// Check if stack is initialized

+bool tusb_inited(void);

+

 // TODO

 // bool tusb_teardown(void);