// pwm gforth interface version 09.02

#define PWM_VERSION 902

#ifdef __cplusplus
extern "C" {
#endif

// functions in the adafruit pca9685 pwm driver
//
extern int pwm_test( void);

extern int pwm_isInitialized( void);
extern int pwm_readRegister( unsigned int reg_addr);
extern int pwm_getFreq( void);
extern int pwm_setFreq( float freq);
extern int pwm_setDutyCycle( float duty_cycle, unsigned int channel_num, float delay);
extern int pwm_setPulseWidth( float pulse_width, unsigned int channel_num, float delay);
extern int pwm_fullOn( unsigned int channel_num, float delay);
extern int pwm_fullOff( unsigned int channel_num, float delay);
extern int pwm_sleep( void);
extern int pwm_wakeUp( void);
extern int pwm_softReset( void);
extern int pwm_hardReset( void);

// functions in pwm.c
//
extern int pwm_version( void);

#ifdef __cplusplus
}
#endif