cfn_hal_pwm.h

Go to the documentation of this file.

 
#ifndef CAFFEINE_HAL_HAL_PWM_H
#define CAFFEINE_HAL_HAL_PWM_H
 
#ifdef __cplusplus
extern "C"
{
#endif
 
/* Includes ---------------------------------------------------------*/
#include "cfn_hal.h"
#include "cfn_hal_base.h"
#include "cfn_hal_gpio.h"
#include "cfn_hal_types.h"
 
/* Defines ----------------------------------------------------------*/
 
/* Types Enums ------------------------------------------------------*/
 
typedef enum
{
    CFN_HAL_PWM_EVENT_NONE         = 0,
    CFN_HAL_PWM_EVENT_PERIOD_MATCH = CFN_HAL_BIT(0), 
    CFN_HAL_PWM_EVENT_PULSE_MATCH  = CFN_HAL_BIT(1), 
} cfn_hal_pwm_event_t;
 
typedef enum
{
    CFN_HAL_PWM_ERROR_NONE    = 0,
    CFN_HAL_PWM_ERROR_FAULT   = CFN_HAL_BIT(0), 
    CFN_HAL_PWM_ERROR_GENERAL = CFN_HAL_BIT(1), 
} cfn_hal_pwm_error_t;
 
typedef enum
{
    CFN_HAL_PWM_CONFIG_POLARITY_NORMAL,   
    CFN_HAL_PWM_CONFIG_POLARITY_INVERTED, 
} cfn_hal_pwm_config_polarity_t;
 
/* Types Structs ----------------------------------------------------*/
 
typedef struct
{
    void                      *instance; 
    uint32_t                   channel;  
    cfn_hal_gpio_pin_handle_t *pin;      
    void                      *user_arg; 
} cfn_hal_pwm_phy_t;
 
typedef struct
{
    uint32_t                      frequency_hz;       
    uint32_t                      duty_cycle_percent; 
    cfn_hal_pwm_config_polarity_t polarity;           
    void                         *custom;             
} cfn_hal_pwm_config_t;
 
typedef struct cfn_hal_pwm_s     cfn_hal_pwm_t;
typedef struct cfn_hal_pwm_api_s cfn_hal_pwm_api_t;
 
typedef void (*cfn_hal_pwm_callback_t)(cfn_hal_pwm_t *driver, uint32_t event_mask, uint32_t error_mask, void *user_arg);
 
struct cfn_hal_pwm_api_s
{
    cfn_hal_api_base_t base;
 
    /* PWM Specific Extensions */
    cfn_hal_error_code_t (*start)(cfn_hal_pwm_t *driver);
    cfn_hal_error_code_t (*stop)(cfn_hal_pwm_t *driver);
    cfn_hal_error_code_t (*set_frequency)(cfn_hal_pwm_t *driver, uint32_t frequency_hz);
    cfn_hal_error_code_t (*set_duty_cycle)(cfn_hal_pwm_t *driver, uint32_t duty_percent);
};
 
CFN_HAL_VMT_CHECK(struct cfn_hal_pwm_api_s);
 
CFN_HAL_CREATE_DRIVER_TYPE(pwm, cfn_hal_pwm_config_t, cfn_hal_pwm_api_t, cfn_hal_pwm_phy_t, cfn_hal_pwm_callback_t);
/* Functions inline ------------------------------------------------- */
CFN_HAL_INLINE void cfn_hal_pwm_populate(cfn_hal_pwm_t              *driver,
                                         uint32_t                    peripheral_id,
                                         struct cfn_hal_clock_s     *clock,
                                         void                       *dependency,
                                         const cfn_hal_pwm_api_t    *api,
                                         const cfn_hal_pwm_phy_t    *phy,
                                         const cfn_hal_pwm_config_t *config,
                                         cfn_hal_pwm_callback_t      callback,
                                         void                       *user_arg)
{
    CFN_HAL_POPULATE_DRIVER(
        driver, CFN_HAL_PERIPHERAL_TYPE_PWM, peripheral_id, clock, dependency, api, phy, config, callback, user_arg);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_config_validate(const cfn_hal_pwm_t        *driver,
                                                                const cfn_hal_pwm_config_t *config)
{
    if (driver == NULL || config == NULL)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
 
    if (config->polarity > CFN_HAL_PWM_CONFIG_POLARITY_INVERTED || config->duty_cycle_percent > 100)
    {
        return CFN_HAL_ERROR_BAD_CONFIG;
    }
 
    return cfn_hal_base_config_validate(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, config);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_init(cfn_hal_pwm_t *driver)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    driver->base.vmt           = (const struct cfn_hal_api_base_s *) driver->api;
    cfn_hal_error_code_t error = cfn_hal_pwm_config_validate(driver, driver->config);
    if (error != CFN_HAL_ERROR_OK)
    {
        return error;
    }
    return cfn_hal_base_init(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_deinit(cfn_hal_pwm_t *driver)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_deinit(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_config_set(cfn_hal_pwm_t *driver, const cfn_hal_pwm_config_t *config)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    cfn_hal_error_code_t error = cfn_hal_pwm_config_validate(driver, config);
    if (error != CFN_HAL_ERROR_OK)
    {
        return error;
    }
    {
        driver->config = config;
    }
    return cfn_hal_base_config_set(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, (const void *) config);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_config_get(cfn_hal_pwm_t *driver, cfn_hal_pwm_config_t *config)
{
    if (!driver || !config || !driver->config)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    *config = *(driver->config);
    return CFN_HAL_ERROR_OK;
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_callback_register(cfn_hal_pwm_t               *driver,
                                                                  const cfn_hal_pwm_callback_t callback,
                                                                  void                        *user_arg)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    {
        driver->cb          = callback;
        driver->cb_user_arg = user_arg;
    }
    return cfn_hal_base_callback_register(
        &driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, (cfn_hal_callback_t) callback, user_arg);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_power_state_set(cfn_hal_pwm_t *driver, cfn_hal_power_state_t state)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_power_state_set(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, state);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_event_enable(cfn_hal_pwm_t *driver, uint32_t event_mask)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_event_enable(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, event_mask);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_event_disable(cfn_hal_pwm_t *driver, uint32_t event_mask)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_event_disable(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, event_mask);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_event_get(cfn_hal_pwm_t *driver, uint32_t *event_mask)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_event_get(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, event_mask);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_error_enable(cfn_hal_pwm_t *driver, uint32_t error_mask)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_error_enable(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, error_mask);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_error_disable(cfn_hal_pwm_t *driver, uint32_t error_mask)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_error_disable(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, error_mask);
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_error_get(cfn_hal_pwm_t *driver, uint32_t *error_mask)
{
    if (!driver)
    {
        return CFN_HAL_ERROR_BAD_PARAM;
    }
    return cfn_hal_base_error_get(&driver->base, CFN_HAL_PERIPHERAL_TYPE_PWM, error_mask);
}
 
/* PWM Specific Functions ------------------------------------------- */
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_start(cfn_hal_pwm_t *driver)
{
    cfn_hal_error_code_t error = CFN_HAL_ERROR_OK;
    CFN_HAL_CHECK_AND_CALL_FUNC(CFN_HAL_PERIPHERAL_TYPE_PWM, start, driver, error);
    return error;
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_stop(cfn_hal_pwm_t *driver)
{
    cfn_hal_error_code_t error = CFN_HAL_ERROR_OK;
    CFN_HAL_CHECK_AND_CALL_FUNC(CFN_HAL_PERIPHERAL_TYPE_PWM, stop, driver, error);
    return error;
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_set_frequency(cfn_hal_pwm_t *driver, uint32_t frequency_hz)
{
    cfn_hal_error_code_t error = CFN_HAL_ERROR_OK;
    CFN_HAL_CHECK_AND_CALL_FUNC_VARG(CFN_HAL_PERIPHERAL_TYPE_PWM, set_frequency, driver, error, frequency_hz);
    return error;
}
 
CFN_HAL_INLINE cfn_hal_error_code_t cfn_hal_pwm_set_duty_cycle(cfn_hal_pwm_t *driver, uint32_t duty_percent)
{
    cfn_hal_error_code_t error = CFN_HAL_ERROR_OK;
    CFN_HAL_CHECK_AND_CALL_FUNC_VARG(CFN_HAL_PERIPHERAL_TYPE_PWM, set_duty_cycle, driver, error, duty_percent);
    return error;
}
cfn_hal_error_code_t cfn_hal_pwm_construct(cfn_hal_pwm_t              *driver,
                                           const cfn_hal_pwm_config_t *config,
                                           const cfn_hal_pwm_phy_t    *phy,
                                           struct cfn_hal_clock_s     *clock,
                                           void                       *dependency,
                                           cfn_hal_pwm_callback_t      callback,
                                           void                       *user_arg);
cfn_hal_error_code_t cfn_hal_pwm_destruct(cfn_hal_pwm_t *driver);
#ifdef __cplusplus
}
#endif
 
#endif // CAFFEINE_HAL_HAL_PWM_H