diff options
| author | charlown <[email protected]> | 2020-11-22 14:47:45 +0800 |
|---|---|---|
| committer | charlown <[email protected]> | 2020-11-22 14:47:45 +0800 |
| commit | f3151795bca544b203be722c1a6591c0105d275d (patch) | |
| tree | 6b297cc2efe1cf51722260ead5327da200d32eb5 /components/drivers/include/ipc/dataqueue.h | |
| parent | 52081b3767e40a92afb284b4cf4a4a7fb982bd84 (diff) | |
| parent | 9dc0bbb814dff797eabb1cbcc133410c75471cd0 (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 |