[moodlight.git] / ledpwm.h

/* $Id: ledpwm.h,v 1.4 2010/07/25 20:40:44 simimeie Exp $
 * Functions for led brightness control via PWM (pulse width modulation).
 */

#ifndef _LEDPWM_H_
#define _LEDPWM_H_

#define LEDPWM_REDLED    0
#define LEDPWM_GREENLED  1
#define LEDPWM_BLUELED   2

extern uint8_t ledpwm_re;
extern uint8_t ledpwm_gr;
extern uint8_t ledpwm_bl;
extern uint8_t ledpwm_bri;

/* Temporary for debugging - these should be internal */
extern volatile uint16_t ledpwm_val[3];
extern volatile uint16_t ledpwm_curoreg;

/* Init PWM (pins and timers) */
void ledpwm_init(void);

/* Set brightness for a certain LED */
void ledpwm_setled(uint8_t led, uint16_t val);

/* Set brightness for all LEDs */
void ledpwm_set(uint8_t red, uint8_t green, uint8_t blue, uint8_t br);

#endif /* _LEDPWM_H_ */
Commit	Line	Data
	1	/* $Id: ledpwm.h,v 1.4 2010/07/25 20:40:44 simimeie Exp $
	2	* Functions for led brightness control via PWM (pulse width modulation).
	3	*/
	4
	5	#ifndef _LEDPWM_H_
	6	#define _LEDPWM_H_
	7
	8	#define LEDPWM_REDLED 0
	9	#define LEDPWM_GREENLED 1
	10	#define LEDPWM_BLUELED 2
	11
	12	extern uint8_t ledpwm_re;
	13	extern uint8_t ledpwm_gr;
	14	extern uint8_t ledpwm_bl;
	15	extern uint8_t ledpwm_bri;
	16
	17	/* Temporary for debugging - these should be internal */
	18	extern volatile uint16_t ledpwm_val[3];
	19	extern volatile uint16_t ledpwm_curoreg;
	20
	21	/* Init PWM (pins and timers) */
	22	void ledpwm_init(void);
	23
	24	/* Set brightness for a certain LED */
	25	void ledpwm_setled(uint8_t led, uint16_t val);
	26
	27	/* Set brightness for all LEDs */
	28	void ledpwm_set(uint8_t red, uint8_t green, uint8_t blue, uint8_t br);
	29
	30	#endif /* _LEDPWM_H_ */