diff options
Diffstat (limited to 'components/drivers/include/ipc/dataqueue.h')
| -rw-r--r-- | components/drivers/include/ipc/dataqueue.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/components/drivers/include/ipc/dataqueue.h b/components/drivers/include/ipc/dataqueue.h index f584c267bf..0262f4702b 100644 --- a/components/drivers/include/ipc/dataqueue.h +++ b/components/drivers/include/ipc/dataqueue.h @@ -17,17 +17,19 @@ #define RT_DATAQUEUE_EVENT_LWM 0x03 struct rt_data_item; -#define RT_DATAQUEUE_SIZE(dq) ((dq)->put_index - (dq)->get_index) -#define RT_DATAQUEUE_EMPTY(dq) ((dq)->size - RT_DATAQUEUE_SIZE(dq)) + /* data queue implementation */ struct rt_data_queue { + rt_uint32_t magic; + rt_uint16_t size; rt_uint16_t lwm; - rt_bool_t waiting_lwm; - rt_uint16_t get_index; - rt_uint16_t put_index; + rt_uint16_t get_index : 15; + rt_uint16_t is_empty : 1; + rt_uint16_t put_index : 15; + rt_uint16_t is_full : 1; struct rt_data_item *queue; @@ -57,5 +59,7 @@ rt_err_t rt_data_queue_peak(struct rt_data_queue *queue, const void **data_ptr, rt_size_t *size); void rt_data_queue_reset(struct rt_data_queue *queue); +rt_err_t rt_data_queue_deinit(struct rt_data_queue *queue); +rt_uint16_t rt_data_queue_len(struct rt_data_queue *queue); #endif |