dts: Add _OR variant macro for DT_PROP_LEN
Like DT_PROP_LEN_OR(), but with a fallback to default_value. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
parent
f2f90ff071
commit
12af01a121
1 changed files with 18 additions and 0 deletions
|
@ -442,6 +442,24 @@
|
|||
*/
|
||||
#define DT_PROP_LEN(node_id, prop) DT_PROP(node_id, prop##_LEN)
|
||||
|
||||
/**
|
||||
* @brief Like DT_PROP_LEN(), but with a fallback to default_value
|
||||
*
|
||||
* If the property is defined (as determined by DT_NODE_HAS_PROP()),
|
||||
* this expands to DT_PROP_LEN(node_id, prop). The default_value
|
||||
* parameter is not expanded in this case.
|
||||
*
|
||||
* Otherwise, this expands to default_value.
|
||||
*
|
||||
* @param node_id node identifier
|
||||
* @param prop a lowercase-and-underscores property with a logical length
|
||||
* @param default_value a fallback value to expand to
|
||||
* @return the property's length or the given default value
|
||||
*/
|
||||
#define DT_PROP_LEN_OR(node_id, prop, default_value) \
|
||||
COND_CODE_1(DT_NODE_HAS_PROP(node_id, prop), \
|
||||
(DT_PROP_LEN(node_id, prop)), (default_value))
|
||||
|
||||
/**
|
||||
* @brief Is index "idx" valid for an array type property?
|
||||
*
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue