diff options
Diffstat (limited to 'components/drivers/include')
| -rw-r--r-- | components/drivers/include/drivers/pin.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/pin.h b/components/drivers/include/drivers/pin.h index a76798e284..9745aafdf7 100644 --- a/components/drivers/include/drivers/pin.h +++ b/components/drivers/include/drivers/pin.h @@ -20,6 +20,7 @@ * Change Logs: * Date Author Notes * 2015-01-20 Bernard the first version + * 2017-10-20 ZYH add mode open drain and input pull down */ #ifndef PIN_H__ @@ -45,6 +46,8 @@ struct rt_device_pin #define PIN_MODE_OUTPUT 0x00 #define PIN_MODE_INPUT 0x01 #define PIN_MODE_INPUT_PULLUP 0x02 +#define PIN_MODE_INPUT_PULLDOWN 0x03 +#define PIN_MODE_OUTPUT_OD 0x04 #define PIN_IRQ_MODE_RISING 0x00 #define PIN_IRQ_MODE_FALLING 0x01 |