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board_common:add board_supports_single_wire API

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This commit is contained in:
David Sidrane
2018-07-12 14:22:13 -07:00
committed by Lorenz Meier
parent d390524437
commit d986c14591
1 changed files with 27 additions and 0 deletions
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src/drivers/boards/common/board_common.h
+27
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@@ -386,6 +386,33 @@ typedef uint8_t px4_guid_t[PX4_GUID_BYTE_LENGTH];
* Public Functions
************************************************************************************/
/* Provide an interface for determining if a board supports single wire */
/************************************************************************************
* Name: board_supports_single_wire
*
* Description:
* A board may provide an RC_SERIAL_PORT that supports single wire.
* This interface will call into the board support code to determine
* if the interface is available at runtime, on this version of the
* hardware.
*
* Input Parameters:
* None
*
* Returned Value:
* true the hardware supports this interface.
* false if not.
*
************************************************************************************/
#if !defined(BOARD_HAS_SINGLE_WIRE)
# define board_supports_single_wire() false
#else
__EXPORT bool board_supports_single_wire(void);
#endif
/* Provide an interface for reading the connected state of VBUS */
/************************************************************************************