Pulse Width Modulation#

sl_pwm_fault_t#

sl_pwm_fault_t

Enum to control fault A and fault B.

This enumeration defines the possible fault conditions for the PWM module. It includes fault A and fault B, which can be used to handle specific fault scenarios.

sl_pwm_dead_time_t#

sl_pwm_dead_time_t

Enum to control dead time.

This enumeration defines the possible states for controlling the dead time in the PWM module. It includes options to enable or disable the dead time.

sl_pwm_duty_cycle_t#

sl_pwm_duty_cycle_t

Enum to control the duty cycle.

This enumeration defines the possible states for controlling the duty cycle in the PWM module. It includes options to enable or disable the duty cycle.

sl_pwm_override_t#

sl_pwm_override_t

Enum to control override.

This enumeration defines the possible states for controlling the override in the PWM module. It includes options to reset or set the override.

sl_pwm_output_fault_t#

sl_pwm_output_fault_t

Enum to control output fault.

This enumeration defines the possible states for controlling the output fault in the PWM module. It includes options to reset or set the output fault.

sl_pwm_event_t#

sl_pwm_event_t

Enum to control events.

This enumeration defines the possible states for controlling events in the PWM module. It includes options to enable or disable events.

sl_pwm_channel_t#

sl_pwm_channel_t

Enumeration for PWM channels (0-3).

This enumeration defines the available PWM channels. It includes channels 0 through 3.

sl_pwm_timer_t#

sl_pwm_timer_t

Enumeration for PWM timer.

This enumeration defines the possible timer configurations for the PWM module. It includes options for using a separate timer for each channel or a single timer for all channels.

sl_pwm_polarity_low_t#

sl_pwm_polarity_low_t

Enumeration for PWM polarity low.

This enumeration defines the possible states for controlling the polarity of the low side in the PWM module. It includes options for setting the polarity to low or high.

sl_pwm_polarity_high_t#

sl_pwm_polarity_high_t

Enumeration for PWM polarity high.

This enumeration defines the possible states for controlling the polarity of the high side in the PWM module. It includes options for setting the polarity to low or high.

sl_pwm_mode_t#

sl_pwm_mode_t

Enumeration for PWM mode.

This enumeration defines the possible modes for the PWM module. It includes options for independent and complementary modes.

sl_pwm_base_timer_mode_t#

sl_pwm_base_timer_mode_t

Enumeration for PWM base timer modes.

This enumeration defines the possible modes for the PWM base timer. It includes options for free run, single event, down count, up/down, and up/down double update modes.

sl_pwm_output_t#

sl_pwm_output_t

Enumeration for PWM output complementary pairs.

This enumeration defines the possible PWM output pairs. It includes options for low and high outputs.

sl_pwm_svt_t#

sl_pwm_svt_t

Enumeration for PWM special event trigger time base.

This enumeration defines the possible states for the special event trigger in the PWM module. It includes options for triggering when the time base is counting up or down.

sl_pwm_post_t#

sl_pwm_post_t

Enumeration for PWM time base output post scale bits.

This enumeration defines the possible post scale values for the PWM time base output. It includes options ranging from 1:1 to 1:16 post scale.

sl_pwm_pre_t#

sl_pwm_pre_t

Enumeration for PWM input clock pre-scale select value.

This enumeration defines the possible pre-scale values for the PWM input clock. It includes options ranging from 1x to 64x input clock periods.

sl_pwm_fault_input_t#

sl_pwm_fault_input_t

Enumeration for fault input override value.

This enumeration defines the possible override values for the PWM output pin when an external fault input A/B event occurs.

sl_pwm_output_override_t#

sl_pwm_output_override_t

Enumeration for output override control.

This enumeration defines the possible states for the output override control in the PWM module. It includes options for unsynchronized and synchronized output override, depending on the operating mode.

sl_pwm_override_value_t#

sl_pwm_override_value_t

Enumeration for override value.

This enumeration defines the possible override values for the PWM module.

sl_pwm_trigger_t#

sl_pwm_trigger_t

PWM enable external triggering.

This enumeration defines the possible states for enabling or disabling external triggering in the PWM module. It includes options for disabling and enabling external triggering, as well as a last member for validation.

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 )

To de-initialize the PWM peripheral.

This API is used to de-initialize the PWM peripheral and disable the PWM module clock.

• Pre-conditions:

  • sl_si91x_pwm_init must be called before this function.

  • sl_si91x_pwm_set_configuration must be called before this function.

sl_si91x_pwm_get_version#

sl_pwm_version_t sl_si91x_pwm_get_version (void )

To get the API version of the PWM module.

This API retrieves the version information of the PWM module, which includes the release, SQA, and DEV version numbers.

Returns

• Returns a 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)

To set the PWM configuration parameters.

This API configures the output polarity and sets the time period, output mode, duty cycle, base timer mode, and base timer selection for each channel.

• Pre-condition:

  • sl_si91x_pwm_init must be called before this function.

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_set_output_polarity#

sl_status_t sl_si91x_pwm_set_output_polarity (boolean_t polarity_low, boolean_t polarity_high)

To set output polarity for Motor Control Pulse Width Modulation (MCPWM).

Setting polarity to positive sets the digital pulse ON for the duty cycle and OFF for the remainder of the period. Setting polarity to negative is the vice-versa of positive polarity set.

• Pre-condition:

  • sl_si91x_pwm_init must be called before this function.

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_start#

sl_status_t sl_si91x_pwm_start (sl_pwm_channel_t channel)

To start the Motor Control Pulse Width Modulation (MCPWM).

Operation for the required channel is based on the duty cycle set, polarity, and all other configurations done for respective channels.

• 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_stop#

sl_status_t sl_si91x_pwm_stop (sl_pwm_channel_t channel)

To stop the Motor Control Pulse Width Modulation (MCPWM) operation for the required channel.

This API is used to stop the Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_control_base_timer#

sl_status_t sl_si91x_pwm_control_base_timer (sl_pwm_timer_t base_timer)

To select the number of base timers for MCPWM.

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 Motor Control Pulse Width Modulation (MCPWM). One base timer is used when a single timer is to be selected for all channels. Instead of only one base timer, there is also one base timer for each channel selection, where separate base timers are used for separate channels.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To set the time period and counter initial value for MCPWM.

This API is used to set the time period and counter initial value for the required Motor Control Pulse Width Modulation (MCPWM) channel. It updates the base timer period and base timer counter initial values for the required channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To configure the special event trigger generation for MCPWM.

This API is used to configure special event trigger generation for the required Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To configure dead time insertion parameters for MCPWM.

This API is used to configure dead time insertion parameters for Motor Control Pulse Width Modulation (MCPWM). Dead time is a small amount of time inserted between the switching edges of PWM signals.

• 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_reset_channel#

sl_status_t sl_si91x_pwm_reset_channel (sl_pwm_channel_t channel)

To reset the required channel of MCPWM.

The API is used to reset the required channel of Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_reset_counter#

sl_status_t sl_si91x_pwm_reset_counter (sl_pwm_channel_t channel)

To reset the counter of the required channel of MCPWM.

This API is used to reset the counter of the required channel of Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To set base time period control for MCPWM.

The API is used to set base time period control for the required Motor Control Pulse Width Modulation (MCPWM) channel. This sets the base timer output post scalar bits and base timer input clock prescalar value.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To control the fault A/B pin output value to be overridden when a fault condition occurs.

The API is used to control the output value of the Fault A/B pins to override their default behavior when a fault condition occurs. When asserted, these pins can optionally drive each PWM I/O pin to a specified state.

• 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To set the mode of the base timer for the required channel.

This API is used to set the mode of the base timer for the specified channel. It supports various modes, such as free-running mode, single-event mode, down count mode, up/down mode, and up/down mode with interrupts for double PWM updates.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To set the output mode for MCPWM.

This API is used to set the output mode for the Motor Control Pulse Width Modulation (MCPWM). There are two modes that can be configured: independent mode or complementary mode.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_register_callback#

sl_status_t sl_si91x_pwm_register_callback (sl_si91x_pwm_callback_t * callback_event, uint16_t flag)

To handle all interrupt flags of MCPWM.

This API is used to handle all interrupt flags of Motor Control Pulse Width Modulation (MCPWM). It manages the IRQ handler, timer interrupt, and callback events for different events.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

  • sl_si91x_pwm_control_period

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_unregister_callback#

sl_status_t sl_si91x_pwm_unregister_callback (uint16_t flag)

To unregister the PWM event.

This API is used to unregister the PWM event, disabling the callback for the specified interrupt flags.

• 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_read_counter#

sl_status_t sl_si91x_pwm_read_counter (uint16_t * counter_value, sl_pwm_channel_t channel)

To read the counter current value for the required MCPWM channel.

This API is used to read the counter current value for the required Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_get_counter_direction#

sl_status_t sl_si91x_pwm_get_counter_direction (uint8_t * counter_direction, sl_pwm_channel_t channel)

To get the time period counter direction status of the required MCPWM channel.

This API is used to get the time period counter direction status of the required Motor Control Pulse Width Modulation (MCPWM) channel, indicating whether the counter is counting up or down.

• 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To control dead time insertion at the rise edge or fall edge of any four channels.

This API is used to control dead time insertion at the rise edge or fall edge of any four channels. Dead time applies only to PWM output pairs that are in complementary mode.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_get_interrupt_status#

sl_status_t sl_si91x_pwm_get_interrupt_status (uint32_t flag, uint16_t * intr_status)

To get the interrupt status of interrupt flags of MCPWM.

The API is used to get the interrupt status of interrupt flags of Motor Control Pulse Width Modulation (MCPWM). Events which are raised can be identified by checking the status.

• 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To control duty cycle parameters for the required MCPWM.

This API controls the duty cycle (0% to 100% and vice versa) parameters by enabling or disabling the specified channel for the required Motor Control Pulse Width Modulation (MCPWM) channel. It can also enable (or prevent) duty cycle updating.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_output_override#

sl_status_t sl_si91x_pwm_output_override (sl_pwm_override_t override, sl_pwm_output_t pwm_output)

To control the output override operation of Motor Control Pulse Width Modulation (MCPWM).

This API is used to control MCPWM's output override operation. It enables you to enable or disable PWM output override.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_control_override#

sl_status_t sl_si91x_pwm_control_override (sl_pwm_override_t override, sl_pwm_output_override_t value)

To control the override control parameter and synchronize output with PWM time period.

This API is used for controlling the override control parameters and synchronizing the output with the PWM time period, depending on the operating mode.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To control the override value for the required output of MCPWM.

This API is used to control the override value for the required output of Motor Control Pulse Width Modulation (MCPWM).

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To control output fault in the PWM module.

This API is used to control output fault in PWM 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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_control_special_event_trigger#

sl_status_t sl_si91x_pwm_control_special_event_trigger (sl_pwm_event_t event)

To control the special event trigger.

This API controls the generation of a special event trigger for the required channel of the Motor Control Pulse Width Modulation (MCPWM).

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

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)

To control the dead time for the required channel.

This API is used to control dead time parameters for the required channel of the Motor Control Pulse Width Modulation (MCPWM).

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_set_duty_cycle#

sl_status_t sl_si91x_pwm_set_duty_cycle (uint32_t duty_cycle, sl_pwm_channel_t channel)

To select the duty cycle for the required MCPWM channel.

This API is used to select the duty cycle for the required Motor Control Pulse Width Modulation (MCPWM) channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_get_duty_cycle#

sl_status_t sl_si91x_pwm_get_duty_cycle (sl_pwm_channel_t channel, uint32_t * duty_cycle)

To get the duty cycle for the required MCPWM channel.

This API is used to get the duty cycle for the required Motor Control Pulse Width Modulation (MCPWM) channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_enable_external_trigger#

sl_status_t sl_si91x_pwm_enable_external_trigger (sl_pwm_trigger_t enable)

To enable an external trigger for the MCPWM.

This API is used to enable the use of an external trigger for the base time counter increment or decrement of Motor Control Pulse Width Modulation (MCPWM).

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

  • sl_si91x_pwm_set_base_timer_mode

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_get_time_period#

sl_status_t sl_si91x_pwm_get_time_period (sl_pwm_channel_t channel, uint16_t * time_period)

To get the time period for the required MCPWM channel.

This API is used to get the time period for the required Motor Control Pulse Width Modulation (MCPWM) channel.

• Pre-conditions:

  • sl_si91x_pwm_init

  • sl_si91x_pwm_set_configuration

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_init#

sl_status_t sl_si91x_pwm_init (sl_pwm_init_t * pwm_init)

To initialize PWM pins and clock.

This API initializes the PWM pins and clock for the Motor Control Pulse Width Modulation (MCPWM) module.

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_fault_init#

sl_status_t sl_si91x_pwm_fault_init (sl_pwm_fault_init_t * pwm_fault)

To initialize PWM event pins.

This API initializes the PWM event pins for the Motor Control Pulse Width Modulation (MCPWM) module.

Returns

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_reset_channel_disable#

sl_status_t sl_si91x_pwm_reset_channel_disable (sl_pwm_channel_t channel)

To disable the reset for the required channel of MCPWM.

This API is used to disable the reset for the required channel of Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

For more information on status codes, see SL STATUS DOCUMENTATION.

sl_si91x_pwm_reset_counter_disable#

sl_status_t sl_si91x_pwm_reset_counter_disable (sl_pwm_channel_t channel)

To disable the counter reset for the required channel of MCPWM.

This API is used to disable the counter reset for the required channel of Motor Control Pulse Width Modulation (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

• sl_status_t Status code indicating the result:

  • SL_STATUS_OK (0x0000) - Success.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument.

For more information on status codes, see SL STATUS DOCUMENTATION.