grove_ledbar.h File Reference

Interface for the Grove ledbar driver. More...

Detailed Description

Interface for the Grove ledbar driver.

Author

Sebastian Meiling s@mln.nosp@m.g.ne.nosp@m.t

Definition in file grove_ledbar.h.

#include <stdint.h>
#include "my9221.h"

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Macros
#define	GROVE_LEDBAR_MAX   UINT8_MAX
	Maximum value for ledbar level.

Typedefs
typedef my9221_params_t	grove_ledbar_params_t
	Parameters needed for device initialization.
typedef my9221_t	grove_ledbar_t
	Device descriptor for grove ledbar, alias for MY9221 LED controller.

Functions
int	grove_ledbar_init (grove_ledbar_t *dev, const grove_ledbar_params_t *params)
	Initialize the given driver.
void	grove_ledbar_set (grove_ledbar_t *dev, uint8_t level)
	Set overall (brightness) level distributed over all LEDs.
void	grove_ledbar_clear (grove_ledbar_t *dev)
	Clear ledbar, i.e.

Ledbar direction, either red to green, or vice versa.
#define	GROVE_LEDBAR_R2G   MY9221_DIR_FWD
#define	GROVE_LEDBAR_G2R   MY9221_DIR_REV