NEORV32 - Software Framework Documentation
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Functions
neorv32_pwm.h File Reference

Pulse-Width Modulation Controller (PWM) HW driver header file. More...

Go to the source code of this file.

Functions

int neorv32_pwm_available (void)
 
void neorv32_pwm_setup (uint8_t prsc)
 
void neorv32_pwm_disable (void)
 
void neorv32_pwm_enable (void)
 
int neorv32_pmw_get_num_channels (void)
 
void neorv32_pwm_set (uint8_t channel, uint8_t duty)
 
uint8_t neorv32_pwm_get (uint8_t channel)
 

Detailed Description

Pulse-Width Modulation Controller (PWM) HW driver header file.

Note
These functions should only be used if the PWM unit was synthesized (IO_PWM_EN = true).

Function Documentation

◆ neorv32_pmw_get_num_channels()

int neorv32_pmw_get_num_channels ( void  )

Get number of implemented channels.

Warning
This function will override all duty cycle configuration registers.
Returns
Number of implemented channels.

◆ neorv32_pwm_available()

int neorv32_pwm_available ( void  )

Check if PWM unit was synthesized.

Returns
0 if PWM was not synthesized, 1 if PWM is available.

◆ neorv32_pwm_disable()

void neorv32_pwm_disable ( void  )

Disable pulse width modulation controller.

◆ neorv32_pwm_enable()

void neorv32_pwm_enable ( void  )

Enable pulse width modulation controller.

◆ neorv32_pwm_get()

uint8_t neorv32_pwm_get ( uint8_t  channel)

Get duty cycle from channel.

Parameters
[in]channelChannel select (0..59).
Returns
Duty cycle (0..255) of channel 'channel'.

◆ neorv32_pwm_set()

void neorv32_pwm_set ( uint8_t  channel,
uint8_t  duty 
)

Set duty cycle for channel.

Parameters
[in]channelChannel select (0..59).
[in]dutyDuty cycle (0..255).

◆ neorv32_pwm_setup()

void neorv32_pwm_setup ( uint8_t  prsc)

Enable and configure pulse width modulation controller. The PWM control register bits are listed in NEORV32_PWM_CTRL_enum.

Parameters
[in]prscClock prescaler select (0..7). See NEORV32_CLOCK_PRSC_enum.