IO operation functions. More...
Functions | |
hal_status_t | hal_pwm_start (pwm_handle_t *p_pwm) |
Starts the PWM signal generation on the output. More... | |
hal_status_t | hal_pwm_stop (pwm_handle_t *p_pwm) |
Stops the PWM signal generation on the output. More... | |
hal_status_t | hal_pwm_update_freq (pwm_handle_t *p_pwm, uint32_t freq) |
Update the PWM frequency on the output. More... | |
hal_status_t | hal_pwm_suspend_reg (pwm_handle_t *p_pwm) |
Suspend some registers related to PWM configuration before sleep. More... | |
hal_status_t | hal_pwm_resume_reg (pwm_handle_t *p_pwm) |
Restore some registers related to PWM configuration after sleep. This function must be used in conjunction with the hal_pwm_suspend_reg(). More... | |
hal_status_t | hal_pwm_config_channel (pwm_handle_t *p_pwm, pwm_channel_init_t *p_config, hal_pwm_active_channel_t channel) |
Initialize the PWM channels according to the specified parameters in the pwm_init_t. More... | |
hal_status_t | hal_pwm_inactive_channel (pwm_handle_t *p_pwm, hal_pwm_active_channel_t channel) |
Set the specified PWM channel inactive. More... | |
IO operation functions.
============================================================================== ##### IO operation functions ##### ============================================================================== [..] This section provides functions allowing to: (+) Start the PWM. (+) Stop the PWM. (+) Configure the specified PWM channel.
hal_status_t hal_pwm_config_channel | ( | pwm_handle_t * | p_pwm, |
pwm_channel_init_t * | p_config, | ||
hal_pwm_active_channel_t | channel | ||
) |
Initialize the PWM channels according to the specified parameters in the pwm_init_t.
[in] | p_pwm | Pointer to a PWM handle that contains the configuration information for the specified PWM module. |
[in] | p_config | PWM Channels configuration structure. |
[in] | channel | PWM Channels to be configured. This parameter can be one of the following values:
|
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |
hal_status_t hal_pwm_inactive_channel | ( | pwm_handle_t * | p_pwm, |
hal_pwm_active_channel_t | channel | ||
) |
Set the specified PWM channel inactive.
[in] | p_pwm | Pointer to a PWM handle that contains the configuration information for the specified PWM module. |
[in] | channel | PWM Channels to be configured. |
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |
hal_status_t hal_pwm_resume_reg | ( | pwm_handle_t * | p_pwm | ) |
Restore some registers related to PWM configuration after sleep. This function must be used in conjunction with the hal_pwm_suspend_reg().
[in] | p_pwm | Pointer to a PWM handle which contains the configuration information for the specified PWM module. |
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |
hal_status_t hal_pwm_start | ( | pwm_handle_t * | p_pwm | ) |
Starts the PWM signal generation on the output.
[in] | p_pwm | Pointer to a PWM handle that contains the configuration information for the specified PWM module. |
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |
hal_status_t hal_pwm_stop | ( | pwm_handle_t * | p_pwm | ) |
Stops the PWM signal generation on the output.
[in] | p_pwm | Pointer to a PWM handle that contains the configuration information for the specified PWM module. |
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |
hal_status_t hal_pwm_suspend_reg | ( | pwm_handle_t * | p_pwm | ) |
Suspend some registers related to PWM configuration before sleep.
[in] | p_pwm | Pointer to a PWM handle which contains the configuration information for the specified PWM module. |
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |
hal_status_t hal_pwm_update_freq | ( | pwm_handle_t * | p_pwm, |
uint32_t | freq | ||
) |
Update the PWM frequency on the output.
[in] | p_pwm | Pointer to a PWM handle that contains the configuration information for the specified PWM module. |
[in] | freq | This parameter ranges between min = 0 and max = SystemFreq / 2. |
HAL_OK | Operation is OK. |
HAL_ERROR | Parameter error or operation not supported. |
HAL_BUSY | Driver is busy. |
HAL_TIMEOUT | Timeout occurred. |