DlnPwmSetDutyCycle() Function

The DlnPwmSetDutyCycle() function defines a PWM duty cycle value, which is the ratio of the high time to the PWM period.

Syntax

C/C++

DLN_RESULT DlnPwmSetDutyCycle(
   HDLN handle, 
   uint8_t port, 
   uint8_t channel,
   double dutyCycle,
   double* actualDutyCycle
);

Parameters

handle: A handle to the DLN-series adapter.
port: A number of the PWM port.
channel: A number of the PWM channel.
dutyCycle: A double precision floating point number. Must contain a duty cycle that should to be set. The value is specified in percents.
actualDutyCycle: A pointer to a double precision floating point number that receives the actual duty cycle value.

Return Value

DLN_RES_SUCCESS (0x00): The function successfully defined the duty cycle value.
DLN_RES_INVALID_PORT_NUMBER (0xA8): The port number is not valid. Use the DlnPwmGetPortCount() function to find the maximum possible port number.
DLN_RES_INVALID_CHANNEL_NUMBER (0xC0): The channel number is not valid. Use the DlnPwmGetChannelCount() function to find the maximum possible port number.
DLN_RES_PWM_INVALID_DUTY_CYCLE (0xC4): The provided value is not valid.

Remarks

The DlnPwmSetDutyCycle() function is defined in the dln_pwm.h file.