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Built-in Functions
Returns:
Function:
Availability:
Requires:
Examples:
Example
Files:
Also See:
Nothing.
To change the frequency of the PWM signal. Warning this may
change the resolution of the PWM signal.
All devices.
#USE PWM
#USE PWM(OUTPUT=PIN_C2, FREQUENCY=10kHz, DUTY=25)
pwm_set_frequency(1000); //set PWM frequency to 1kHz
None
#use_pwm, pwm_on(), pwm_off(), pwm_set_duty_percent,
pwm_set_duty()
qei_get_count( )
Syntax:
value = qei_get_count( [ type ] );
Parameters: type - Optional parameter to specify which counter to get, defaults to position
counter. Defined in devices .h file as:
QEI_GET_POSITION_COUNT
QEI_GET_VELOCITY_COUNT
Returns:
Function:
Availability:
Requires:
Examples:
Example
Files:
Also See:
The 16-bit value of the position counter or velocity counter.
Reads the current 16-bit value of the position or velocity counter.
Devices that have the QEI module.
Nothing.
value = qei_get_counter(QEI_GET_POSITION_COUNT);
value = qei_get_counter();
value = qei_get_counter(QEI_GET_VELOCITY_COUNT);
None
setup_qei() , qei_set_count() , qei_status().
qei_set_count( )
Syntax:
Parameters:
qei_set_count( value );
value - The 16-bit value of the position counter.
225
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