diff options
Diffstat (limited to 'src/host/usbh.c')
| -rw-r--r-- | src/host/usbh.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/host/usbh.c b/src/host/usbh.c index b7d5a05f2..f2e5c1f0e 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -147,6 +147,9 @@ static osal_mutex_t _usbh_mutex; #define _usbh_mutex NULL #endif +// Spinlock for interrupt handler +static OSAL_SPINLOCK_DEF(_usbh_spin, usbh_int_set); + // Event queue: usbh_int_set() is used as mutex in OS NONE config OSAL_QUEUE_DEF(usbh_int_set, _usbh_qdef, CFG_TUH_TASK_QUEUE_SZ, hcd_event_t); static osal_queue_t _usbh_q; @@ -424,6 +427,8 @@ bool tuh_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) { TU_LOG_INT_USBH(sizeof(tu_fifo_t)); TU_LOG_INT_USBH(sizeof(tu_edpt_stream_t)); + osal_spin_init(&_usbh_spin); + // Event queue _usbh_q = osal_queue_create(&_usbh_qdef); TU_ASSERT(_usbh_q != NULL); @@ -895,6 +900,14 @@ void usbh_int_set(bool enabled) { } } +void usbh_spin_lock(bool in_isr) { + osal_spin_lock(&_usbh_spin, in_isr); +} + +void usbh_spin_unlock(bool in_isr) { + osal_spin_unlock(&_usbh_spin, in_isr); +} + void usbh_defer_func(osal_task_func_t func, void *param, bool in_isr) { hcd_event_t event = { 0 }; event.event_id = USBH_EVENT_FUNC_CALL; |