pwm.h

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#ifndef PWM_H_
#define PWM_H_
 
#define PWMSS0_SYSFS_PATH "/sys/class/pwm/pwmchip0/"
#define PWMSS1_SYSFS_PATH "/sys/class/pwm/pwmchip2/"
 
#define EPWM0A_SYSFS_INDEX 0
#define EPWM1A_SYSFS_INDEX 0
#define EPWM1B_SYSFS_INDEX 1
 
#define EPWM0A_SYSFS_PATH PWMSS0_SYSFS_PATH "pwm-0:0/"
#define EPWM1A_SYSFS_PATH PWMSS1_SYSFS_PATH "pwm-2:0/"
#define EPWM1B_SYSFS_PATH PWMSS1_SYSFS_PATH "pwm-2:1/"
 
#define PWM_PERIOD_DEFAULT 490
#define PWM_DUTY_CYCLE_DEFAULT (PWM_PERIOD_DEFAULT / 2)
 
int pwm_init(void);
 
void pwm_deinit(void);
 
#endif /* PWM_H_ */