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device: Add DT_INST versions of DEVICE_DT_DECLARE and DEVICE_DT_DEFINE

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Add convenience macros versions of DEVICE_DT_DECLARE and
DEVICE_DT_DEFINE that take a DT_INST number instead.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2020-12-02 11:21:46 -06:00 • committed by Kumar Gala
commit 3a83f0ec69
1 changed files with 31 additions and 0 deletions
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31
include/device.h
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@ -172,6 +172,19 @@ extern "C" {
pm_control_fn, \ pm_control_fn, \
data_ptr, cfg_ptr, level, prio, api_ptr) data_ptr, cfg_ptr, level, prio, api_ptr)
/**
* @def DEVICE_DT_INST_DEFINE
*
* @brief Like DEVICE_DT_DEFINE for an instance of a DT_DRV_COMPAT compatible
*
* @param inst instance number. This is replaced by
* <tt>DT_DRV_COMPAT(inst)</tt> in the call to DEVICE_DT_DEFINE.
*
* @param ... other parameters as expected by DEVICE_DT_DEFINE.
*/
#define DEVICE_DT_INST_DEFINE(inst, ...) \
DEVICE_DT_DEFINE(DT_DRV_INST(inst), __VA_ARGS__)
/** /**
* @def DEVICE_DT_NAME_GET * @def DEVICE_DT_NAME_GET
* *
@ -209,6 +222,15 @@ extern "C" {
*/ */
#define DEVICE_DT_GET(node_id) (&DEVICE_DT_NAME_GET(node_id)) #define DEVICE_DT_GET(node_id) (&DEVICE_DT_NAME_GET(node_id))
/** @def DEVICE_DT_INST_GET
*
* @brief Obtain a pointer to a device object for an instance of a
* DT_DRV_COMPAT compatible
*
* @param inst instance number
*/
#define DEVICE_DT_INST_GET(inst) DEVICE_DT_GET(DT_DRV_INST(inst))
/** @def DEVICE_DT_DECLARE /** @def DEVICE_DT_DECLARE
* *
* @brief Declare a device object associated with @p node_id * @brief Declare a device object associated with @p node_id
@ -236,6 +258,15 @@ extern "C" {
#define DEVICE_DT_DECLARE(node_id) \ #define DEVICE_DT_DECLARE(node_id) \
extern const struct device DEVICE_DT_NAME_GET(node_id) extern const struct device DEVICE_DT_NAME_GET(node_id)
/** @def DEVICE_DT_INST_DECLARE
*
* @brief Declare a device object associated for an instance of a
* DT_DRV_COMPAT compatible
*
* @param inst instance number
*/
#define DEVICE_DT_INST_DECLARE(inst) DEVICE_DT_DECLARE(DT_DRV_INST(inst))
/** /**
* @def DEVICE_GET * @def DEVICE_GET
* *