diff options
| author | Wang-Huachen <[email protected]> | 2020-11-30 12:48:23 +0800 |
|---|---|---|
| committer | Wang-Huachen <[email protected]> | 2020-11-30 12:48:23 +0800 |
| commit | f7b553b193deb179e23843d759d20d83da4b85d3 (patch) | |
| tree | ff949a536a962896aec25ff73e0abd874c84a6af /components/drivers/include/ipc/dataqueue.h | |
| parent | 9756c77f0447f9ce4f00a37600298a1f1fd90cda (diff) | |
| parent | af95348bf1dd06ed2147cf9caee8a78513c31a72 (diff) | |
Merge branch 'master' of https://github.com/RT-Thread/rt-thread
Diffstat (limited to 'components/drivers/include/ipc/dataqueue.h')
| -rw-r--r-- | components/drivers/include/ipc/dataqueue.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/components/drivers/include/ipc/dataqueue.h b/components/drivers/include/ipc/dataqueue.h index d90be76ffb..0262f4702b 100644 --- a/components/drivers/include/ipc/dataqueue.h +++ b/components/drivers/include/ipc/dataqueue.h @@ -17,8 +17,7 @@ #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 { @@ -26,10 +25,11 @@ struct rt_data_queue 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; @@ -60,5 +60,6 @@ rt_err_t rt_data_queue_peak(struct rt_data_queue *queue, 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 |