Pulse Width Modulation (PWM) interface. More...
#include <stdbool.h>#include <stdint.h>
Include dependency graph for pwm.h:
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Data Structures | |
| struct | hw_pwm_config_t |
| PWM configuration structure for setup parameters. More... | |
| struct | hw_pwm_t |
| PWM structure representing a PWM instance. More... | |
Typedefs | |
| typedef struct hw_pwm_t | hw_pwm_t |
| PWM structure representing a PWM instance. | |
| typedef void(* | hw_pwm_callback_t) (uint8_t unit, void *userdata) |
| PWM interrupt callback function pointer. More... | |
Functions | |
| hw_pwm_t | hw_pwm_init (uint8_t unit, hw_pwm_config_t *config) |
| Initialize a PWM unit. More... | |
| uint8_t | hw_pwm_count () |
| Get the number of PWM units. More... | |
| static bool | hw_pwm_valid (hw_pwm_t *pwm) |
| Validate the PWM unit. More... | |
| void | hw_pwm_finalize (hw_pwm_t *pwm) |
| Finalize and release a PWM unit. More... | |
| uint8_t | hw_pwm_gpio_unit (uint8_t gpio) |
| Get the PWM unit for a GPIO pin. More... | |
| hw_pwm_config_t | hw_pwm_get_config (float freq) |
| Get PWM configuration. More... | |
| float | hw_pwm_get_freq (hw_pwm_config_t *config) |
| Returns the frequency for a configuration. More... | |
| void | hw_pwm_set_config (hw_pwm_t *pwm, const hw_pwm_config_t *config) |
| Apply configuration to a PWM unit. More... | |
| bool | hw_pwm_start (hw_pwm_t *pwm, uint8_t gpio, float duty_percent) |
| Start PWM output on a specific GPIO pin. More... | |
| void | hw_pwm_stop (hw_pwm_t *pwm) |
| Stop PWM output. More... | |
| void | hw_pwm_set_callback (hw_pwm_callback_t callback, void *userdata) |
| Set the PWM interrupt callback handler. More... | |
| void | hw_pwm_set_irq_enabled (hw_pwm_t *pwm, bool enabled) |
| Enable or disable PWM wrap interrupt for a slice. More... | |
Detailed Description
Pulse Width Modulation (PWM) interface.
Definition in file pwm.h.