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Diffstat (limited to 'components/drivers/include/rtdevice.h')
-rw-r--r--components/drivers/include/rtdevice.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index 09e969f1a7..77e43f495d 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -125,15 +125,15 @@ rt_err_t rt_data_queue_init(struct rt_data_queue *queue,
rt_uint16_t lwm,
void (*evt_notify)(struct rt_data_queue *queue, rt_uint32_t event));
rt_err_t rt_data_queue_push(struct rt_data_queue *queue,
- void *data_ptr,
+ const void *data_ptr,
rt_size_t data_size,
rt_int32_t timeout);
rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
- void **data_ptr,
+ const void **data_ptr,
rt_size_t *size,
rt_int32_t timeout);
rt_err_t rt_data_queue_peak(struct rt_data_queue *queue,
- void **data_ptr,
+ const void **data_ptr,
rt_size_t *size);
void rt_data_queue_reset(struct rt_data_queue *queue);