Raspberries/mraa
Private
Public Access
2
0
Fork 0
Code Activity

peripheralman: Update APIs in accordance with Android Things

Browse Source 
Signed-off-by: Sanrio Alvares <sanrio.alvares@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Sanrio Alvares
2017-02-02 05:53:59 -08:00
committed by Noel Eck
parent 1cec6705d1
commit c4555bc4e5
8 changed files with 250 additions and 278 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
include/peripheralmanager/gpio.h
View File

@@ -29,76 +29,76 @@ __BEGIN_DECLS
/// @{
/// Edge trigger types.
enum {
NONE_EDGE, /**< None */
RISING_EDGE, /**< Rising edge */
FALLING_EDGE, /**< Falling edge */
BOTH_EDGE /**< Both edges */
};
typedef enum AGpioEdge {
AGPIO_EDGE_NONE = 0, /**< None */
AGPIO_EDGE_RISING = 1, /**< Rising edge */
AGPIO_EDGE_FALLING = 2, /**< Falling edge */
AGPIO_EDGE_BOTH = 3 /**< Both edges */
} AGpioEdge;
/// GPIO direction types.
enum {
DIRECTION_IN, /**< Input mode */
DIRECTION_OUT_INITIALLY_HIGH, /**< Output mode, initially set to high */
DIRECTION_OUT_INITIALLY_LOW /**< Output mode, initially set to low */
};
typedef enum AGpioDirection {
AGPIO_DIRECTION_IN = 0, /**< Input mode */
AGPIO_DIRECTION_OUT_INITIALLY_HIGH = 1, /**< Output mode, initially high */
AGPIO_DIRECTION_OUT_INITIALLY_LOW = 2 /**< Output mode, initially low */
} AGpioDirection;
/// Possible active types.
enum {
ACTIVE_LOW, /**< Active Low */
ACTIVE_HIGH /**< Active High */
};
typedef enum AGpioActiveType {
AGPIO_ACTIVE_LOW = 0, /**< Active Low */
AGPIO_ACTIVE_HIGH = 1 /**< Active High */
} AGpioActiveType;
typedef struct BGpio BGpio;
typedef struct AGpio AGpio;
/// Sets the GPIO direction to output.
/// @param gpio Pointer to the BGpio struct
/// @param gpio Pointer to the AGpio struct
/// @param direction One of DIRECTION_IN,
/// DIRECTION_OUT_INITIALLY_HIGH, DIRECTION_OUT_INITIALLY_LOW.
/// @return 0 on success, errno on error.
int BGpio_setDirection(const BGpio* gpio, int direction);
int AGpio_setDirection(const AGpio* gpio, AGpioDirection direction);
/// Sets the interrupt edge trigger type.
/// @param gpio Pointer to the BGpio struct
/// @param gpio Pointer to the AGpio struct
/// @param type One of NONE_EDGE, RISING_EDGE, FALLING_EDGE or BOTH_EDGE.
/// @return 0 on success, errno on error.
int BGpio_setEdgeTriggerType(const BGpio* gpio, int type);
int AGpio_setEdgeTriggerType(const AGpio* gpio, AGpioEdge type);
/// Sets the GPIO’s active low/high status.
/// @param gpio Pointer to the BGpio struct.
/// @param gpio Pointer to the AGpio struct.
/// @param type One of ACTIVE_HIGH, ACTIVE_LOW.
/// @return 0 on success, errno on error.
int BGpio_setActiveType(const BGpio* gpio, int type);
int AGpio_setActiveType(const AGpio* gpio, AGpioActiveType type);
/// Sets the GPIO value (for output GPIO only).
/// @param gpio Pointer to the BGpio struct.
/// @param gpio Pointer to the AGpio struct.
/// @param value Value to set.
/// @return 0 on success, errno on error.
int BGpio_setValue(const BGpio* gpio, int value);
int AGpio_setValue(const AGpio* gpio, int value);
/// Gets the GPIO value (for input GPIO only).
/// @param gpio Pointer to the BGpio struct.
/// @param gpio Pointer to the AGpio struct.
/// @param value Output pointer to the value of the GPIO.
/// @return 0 on success, errno on error.
int BGpio_getValue(const BGpio* gpio, int* value);
int AGpio_getValue(const AGpio* gpio, int* value);
/// Returns a file descriptor that can be used to poll on new data.
/// Can be passed to select/epoll to wait for data to become available.
/// @param gpio Pointer to the BGpio struct.
/// @param gpio Pointer to the AGpio struct.
/// @param fd Output pointer to the file descriptor number.
/// @return 0 on success, errno on error.
int BGpio_getPollingFd(const BGpio* gpio, int* fd);
int AGpio_getPollingFd(const AGpio* gpio, int* fd);
/// Acknowledges the interrupt and resets the file descriptor.
/// This must be called after each event triggers in order to be able to
/// poll/select for another event.
/// @param fd Polling file descriptor to reset.
/// @return 0 on success, errno on error.
int BGpio_ackInterruptEvent(int fd);
int AGpio_ackInterruptEvent(int fd);
/// Destroys a BGpio struct.
/// @param gpio Pointer to the BGpio struct.
void BGpio_delete(BGpio* gpio);
/// Destroys a AGpio struct.
/// @param gpio Pointer to the AGpio struct.
void AGpio_delete(AGpio* gpio);
/// @}