buttonplay.h

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/****************************************************************************
** Copyright (C) 2020 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
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** of this software and associated documentation files (the "Software"), to deal
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** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
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** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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#ifndef BUTTONPLAY_H
#define BUTTONPLAY_H
 
#ifdef __cplusplus
extern "C"{
#endif
 
#ifdef PREINIT_SUPPORTED
#include "preinit.h"
#endif
 
#ifdef MikroCCoreVersion
    #if MikroCCoreVersion >= 1
        #include "delays.h"
    #endif
#endif
 
#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_pwm.h"
 
#define BUTTONPLAY_DEF_FREQ     500
 
 // buttonplay_cfg
 
#define BUTTONPLAY_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.pwm = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
    cfg.int_pin = MIKROBUS( mikrobus, MIKROBUS_INT )
 
 // buttonplay_map
 // buttonplay
 
typedef struct
{
    digital_in_t int_pin;       
    // Modules
    pwm_t pwm;                  
    // ctx variable
    uint32_t pwm_freq;          
} buttonplay_t;
 
typedef struct
{
    // Communication gpio pins
    pin_name_t pwm;          
    pin_name_t int_pin;      
    // Static variable
    uint32_t dev_pwm_freq;   
} buttonplay_cfg_t;
 
typedef enum
{
   BUTTONPLAY_OK = 0,
   BUTTONPLAY_ERROR = -1
 
} buttonplay_return_value_t;
 
void buttonplay_cfg_setup ( buttonplay_cfg_t *cfg );
 
err_t buttonplay_init ( buttonplay_t *ctx, buttonplay_cfg_t *cfg );
 
err_t buttonplay_set_duty_cycle ( buttonplay_t *ctx, float duty_cycle );
 
err_t buttonplay_pwm_stop ( buttonplay_t *ctx );
 
err_t buttonplay_pwm_start ( buttonplay_t *ctx );
 
uint8_t buttonplay_get_button_state ( buttonplay_t *ctx );
 
#ifdef __cplusplus
}
#endif
#endif // BUTTONPLAY_H
 
 // buttonplay
 
// ------------------------------------------------------------------------ END