Update note

Signed-off-by: HiFiPhile <[email protected]>

2 files changed, 4 insertions, 0 deletions

diff --git a/src/device/usbd.h b/src/device/usbd.h
index c446638c3..3cf195452 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -38,6 +38,7 @@ extern "C" {
 //--------------------------------------------------------------------+
 
 // New API to replace tud_init() to init device stack on specific roothub port
+// Must be called in the same task/context as tud_task() if RTOS is used
 bool tud_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init);
 
 // Init device stack on roothub port
@@ -53,6 +54,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool tud_init (uint8_t rhport) {
 }
 
 // Deinit device stack on roothub port
+// Must be called in the same task/context as tud_task() if RTOS is used
 bool tud_deinit(uint8_t rhport);
 
 // Check if device stack is already initialized
diff --git a/src/host/usbh.h b/src/host/usbh.h
index 697c911ff..d86efbcb2 100644
--- a/src/host/usbh.h
+++ b/src/host/usbh.h
@@ -150,6 +150,7 @@ void tuh_event_hook_cb(uint8_t rhport, uint32_t eventid, bool in_isr);
 bool tuh_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param);
 
 // New API to replace tuh_init() to init host stack on specific roothub port
+// Must be called in the same task/context as tuh_task() if RTOS is used
 bool tuh_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init);
 
 // Init host stack
@@ -165,6 +166,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool tuh_init(uint8_t rhport) {
 }
 
 // Deinit host stack on rhport
+// Must be called in the same task/context as tuh_task() if RTOS is used
 bool tuh_deinit(uint8_t rhport);
 
 // Check if host stack is already initialized with any roothub ports