PWM#

sl_pwm_fault_t#

sl_pwm_fault_t

Enum to control fault a and fault b.

sl_pwm_dead_time_t#

sl_pwm_dead_time_t

Enum to control dead time.

sl_pwm_duty_cycle_t#

sl_pwm_duty_cycle_t

Enum to control duty cycle.

sl_pwm_override_t#

sl_pwm_override_t

Enum to control override.

sl_pwm_output_fault_t#

sl_pwm_output_fault_t

Enum to control output fault.

sl_pwm_event_t#

sl_pwm_event_t

Enum to control events.

sl_pwm_channel_t#

sl_pwm_channel_t

Enumeration for PWM channels(1-4)

sl_pwm_timer_t#

sl_pwm_timer_t

Enumeration for PWM timer.

sl_pwm_polarity_low_t#

sl_pwm_polarity_low_t

Enumeration for PWM polarity low.

sl_pwm_polarity_high_t#

sl_pwm_polarity_high_t

Enumeration for PWM polarity high.

sl_pwm_mode_t#

sl_pwm_mode_t

Enumeration for PWM mode.

sl_pwm_base_timer_mode_t#

sl_pwm_base_timer_mode_t

Enumeration for PWM base timer modes.

sl_pwm_output_t#

sl_pwm_output_t

Enumeration for PWM output complementary pairs.

sl_pwm_svt_t#

sl_pwm_svt_t

Enumeration for PWM special event trigger time base.

sl_pwm_post_t#

sl_pwm_post_t

Enumeration for PWM Time base output post scale bits.

sl_pwm_pre_t#

sl_pwm_pre_t

Enumeration for PWM input clock pre scale select value.

sl_pwm_fault_input_t#

sl_pwm_fault_input_t

Enumeration for fault input override value.

sl_pwm_output_override_t#

sl_pwm_output_override_t

Enumeration for output override control.

sl_pwm_override_value_t#

sl_pwm_override_value_t

Enumeration for override value.

sl_pwm_trigger_t#

sl_pwm_trigger_t

PWM enable external triggering.

sl_si91x_mcpwm_t#

typedef RSI_MCPWM_T sl_si91x_mcpwm_t

PWM structure.

sl_si91x_pwm_svt_config_t#

typedef RSI_MCPWM_SVT_CONFIG_T sl_si91x_pwm_svt_config_t

PWM Special Event trigger configuration parameters structure.

sl_si91x_pwm_dt_config_t#

typedef RSI_MCPWM_DT_CONFIG_T sl_si91x_pwm_dt_config_t

PWM DeadTime configuration parameters structure.

sl_si91x_pwm_callback_t#

typedef RSI_MCPWM_CALLBACK_T sl_si91x_pwm_callback_t

PWM Callback structure.

sl_si91x_pwm_deinit#

void sl_si91x_pwm_deinit (void )

This API is used to de-initialize the PWM peripheral.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• none

sl_si91x_pwm_get_version#

sl_pwm_version_t sl_si91x_pwm_get_version (void )

This API is used to get the PWM version.

Returns

• returns structure of type sl_pwm_version_t

sl_si91x_pwm_set_configuration#

sl_status_t sl_si91x_pwm_set_configuration (sl_pwm_config_t * pwm_config)

This API is used to set the PWM configuration parameters.

• Pre-conditions:

  • sl_si91x_pwm_init

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_set_output_polarity#

sl_status_t sl_si91x_pwm_set_output_polarity (boolean_t polarity_low, boolean_t polarity_high)

This API is used to set output polarity for MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_start#

sl_status_t sl_si91x_pwm_start (sl_pwm_channel_t channel)

This API is used to start the MCPWM operation for the required channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_stop#

sl_status_t sl_si91x_pwm_stop (sl_pwm_channel_t channel)

This API is used to stop the MCPWM operation for the required channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_base_timer#

sl_status_t sl_si91x_pwm_control_base_timer (sl_pwm_timer_t base_timer)

This API is used to select the number of base timers as four base timers for four channels or one base timer for all channels of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_set_time_period#

sl_status_t sl_si91x_pwm_set_time_period (sl_pwm_channel_t channel, uint32_t period, uint32_t init_val)

This API is used to set time period and counter initial value for the required MCPWM channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_trigger_special_event#

sl_status_t sl_si91x_pwm_trigger_special_event (sl_pwm_svt_t direction, sl_si91x_pwm_svt_config_t * pwm_config)

This API is used to configure special event trigger generation for the required MCPWM channel, which allows the A/D converter to be synchronized to the PWM time base.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_configure_dead_time#

sl_status_t sl_si91x_pwm_configure_dead_time (sl_si91x_pwm_dt_config_t * dead_time, sl_pwm_channel_t channel)

This API is used to configure Dead time insertion parameters for MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_reset_channel#

sl_status_t sl_si91x_pwm_reset_channel (sl_pwm_channel_t channel)

This API is used to reset the required channel of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_reset_counter#

sl_status_t sl_si91x_pwm_reset_counter (sl_pwm_channel_t channel)

This API is used to reset the counter from the required channel of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_period#

sl_status_t sl_si91x_pwm_control_period (sl_pwm_post_t post_scale, sl_pwm_pre_t pre_scale, sl_pwm_channel_t channel)

This API is used to set base time period control for the required MCPWM channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_fault#

sl_status_t sl_si91x_pwm_control_fault (sl_pwm_fault_t fault, sl_pwm_output_t pwm_output, sl_pwm_override_value_t value)

This API is used to control fault A/B pin output value to be overridden when a fault condition occurs.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_set_base_timer_mode#

sl_status_t sl_si91x_pwm_set_base_timer_mode (sl_pwm_base_timer_mode_t mode, sl_pwm_channel_t channel)

This API is used to set the mode of the base timer for the required channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_set_output_mode#

sl_status_t sl_si91x_pwm_set_output_mode (sl_pwm_mode_t mode, sl_pwm_channel_t channel)

This API is used to set output mode for the MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_register_callback#

sl_status_t sl_si91x_pwm_register_callback (sl_si91x_pwm_callback_t * callback_event, uint16_t flag)

Handles all interrupt flags of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is a null pointer

sl_si91x_pwm_unregister_callback#

sl_status_t sl_si91x_pwm_unregister_callback (uint16_t flag)

Unregisters the PWM event.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is a null pointer

sl_si91x_pwm_read_counter#

sl_status_t sl_si91x_pwm_read_counter (uint16_t * counter_value, sl_pwm_channel_t channel)

This API is used to read the counter current value.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_get_counter_direction#

sl_status_t sl_si91x_pwm_get_counter_direction (uint8_t * counter_direction, sl_pwm_channel_t channel)

This API is used to get time period counter direction status of the required MCPWM channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_dead_time#

sl_status_t sl_si91x_pwm_control_dead_time (sl_pwm_dead_time_t dead_time, uint32_t flag)

Controls dead time insertion at the rising edge or falling edge of any four channels.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_clear_interrupt#

sl_status_t sl_si91x_pwm_clear_interrupt (uint32_t flag)

This API is used to clear the interrupts of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is a null pointer

sl_si91x_pwm_get_interrupt_status#

sl_status_t sl_si91x_pwm_get_interrupt_status (uint32_t flag, uint16_t * intr_status)

This API is used to get the interrupt status of interrupt flags of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• Interrupt status of the required interrupt flag

sl_si91x_pwm_configure_duty_cycle#

sl_status_t sl_si91x_pwm_configure_duty_cycle (sl_pwm_duty_cycle_t duty_cycle, uint32_t value, sl_pwm_channel_t channel)

This API is used to control duty cycle control parameters for the required MCPWM channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_output_override#

sl_status_t sl_si91x_pwm_output_override (sl_pwm_override_t override, sl_pwm_output_t pwm_output)

This API is used to control the output override operation of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_override#

sl_status_t sl_si91x_pwm_control_override (sl_pwm_override_t override, sl_pwm_output_override_t value)

This API is used to control the override control parameter, output is in sync with PWM time period depending on operating mode.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_override_value#

sl_status_t sl_si91x_pwm_control_override_value (sl_pwm_override_t override, sl_pwm_output_t pwm_output, sl_pwm_override_value_t value)

This API is used to control override value for the required output of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_output_fault#

sl_status_t sl_si91x_pwm_control_output_fault (sl_pwm_output_fault_t output_fault, uint32_t value)

This API is used to control output fault override control parameters for the required PWM output.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

  • sl_si91x_pwm_register_callback

  • sl_si91x_pwm_start

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_control_special_event_trigger#

sl_status_t sl_si91x_pwm_control_special_event_trigger (sl_pwm_event_t event)

This API is used to control the generation of a special event trigger for the required channel of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_select_dead_time#

sl_status_t sl_si91x_pwm_select_dead_time (sl_pwm_dead_time_t dead_time, uint32_t value)

This API is used to control dead time control parameters for the required channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_set_duty_cycle#

sl_status_t sl_si91x_pwm_set_duty_cycle (uint32_t duty_cycle, sl_pwm_channel_t channel)

This API is used to select duty cycle for the required MCPWM channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_get_duty_cycle#

sl_status_t sl_si91x_pwm_get_duty_cycle (sl_pwm_channel_t channel, uint32_t * duty_cycle)

This API is used to get duty cycle for the required MCPWM channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_enable_external_trigger#

sl_status_t sl_si91x_pwm_enable_external_trigger (sl_pwm_trigger_t enable)

This API is used to enable the use of an external trigger for base time counter increment or decrement of MCPWM.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_get_time_period#

sl_status_t sl_si91x_pwm_get_time_period (sl_pwm_channel_t channel, uint16_t * time_period)

Get time period for the required channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_INVALID_PARAMETER - The parameter is an invalid argument

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_init#

sl_status_t sl_si91x_pwm_init (sl_pwm_init_t * pwm_init)

This API is used to initialize PWM pins and clock.

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer

sl_si91x_pwm_fault_init#

sl_status_t sl_si91x_pwm_fault_init (sl_pwm_fault_init_t * pwm_fault)

This API is used to initialize PWM event pins.

Returns

• returns status 0 if successful, else error code as follows:

  • SL_STATUS_OK - Success

  • SL_STATUS_NULL_POINTER - The parameter is null pointer