diff options
| author | yangjie <[email protected]> | 2020-09-11 11:14:53 +0800 |
|---|---|---|
| committer | yangjie <[email protected]> | 2020-09-11 11:14:53 +0800 |
| commit | 9d0b860e546dab0204f0ed01f50458748da743b3 (patch) | |
| tree | 3d2a12c461a183f4ecee0ae765ab2034130b14de | |
| parent | bb84e235afb1abc93e2583aa72d025f8fbe43498 (diff) | |
[components][driver/pin.c]pin 框架增加 rt_pin_get
| -rw-r--r-- | components/drivers/include/drivers/pin.h | 3 | ||||
| -rw-r--r-- | components/drivers/misc/pin.c | 15 |
2 files changed, 18 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/pin.h b/components/drivers/include/drivers/pin.h index ca35407932..f5b2ded9f6 100644 --- a/components/drivers/include/drivers/pin.h +++ b/components/drivers/include/drivers/pin.h @@ -74,10 +74,13 @@ struct rt_pin_ops rt_uint32_t mode, void (*hdr)(void *args), void *args); rt_err_t (*pin_detach_irq)(struct rt_device *device, rt_int32_t pin); rt_err_t (*pin_irq_enable)(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled); + rt_base_t (*pin_get)(const char *name); }; int rt_device_pin_register(const char *name, const struct rt_pin_ops *ops, void *user_data); +/* Get pin number by name,such as PA.0,P0.12 */ +rt_base_t rt_pin_get(const char *name); void rt_pin_mode(rt_base_t pin, rt_base_t mode); void rt_pin_write(rt_base_t pin, rt_base_t value); int rt_pin_read(rt_base_t pin); diff --git a/components/drivers/misc/pin.c b/components/drivers/misc/pin.c index aca58ee21b..2750f5105a 100644 --- a/components/drivers/misc/pin.c +++ b/components/drivers/misc/pin.c @@ -151,3 +151,18 @@ int rt_pin_read(rt_base_t pin) return _hw_pin.ops->pin_read(&_hw_pin.parent, pin); } FINSH_FUNCTION_EXPORT_ALIAS(rt_pin_read, pinRead, read status from hardware pin); + +rt_base_t rt_pin_get(const char *name) +{ + RT_ASSERT(_hw_pin.ops != RT_NULL); + RT_ASSERT(name[0] == 'P'); + + if(_hw_pin.ops->pin_get == RT_NULL) + { + return -RT_ENOSYS; + } + + return _hw_pin.ops->pin_get(name); +} +FINSH_FUNCTION_EXPORT_ALIAS(rt_pin_get, pinGet, get pin number from hardware pin); + |