buttony.h

Go to the documentation of this file.

/****************************************************************************
** Copyright (C) 2020 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** 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.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
**  USE OR OTHER DEALINGS IN THE SOFTWARE.
****************************************************************************/
 
#ifndef BUTTONY_H
#define BUTTONY_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 BUTTONY_DEF_FREQ     500
 
 // buttony_cfg
 
#define BUTTONY_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.pwm = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
    cfg.int_pin = MIKROBUS( mikrobus, MIKROBUS_INT )
 
 // buttony_map
 // buttony
 
typedef struct
{
    digital_in_t int_pin;       
    // Modules
    pwm_t pwm;                  
    // ctx variable
    uint32_t pwm_freq;          
} buttony_t;
 
typedef struct
{
    // Communication gpio pins
    pin_name_t pwm;          
    pin_name_t int_pin;      
    // Static variable
    uint32_t dev_pwm_freq;   
} buttony_cfg_t;
 
typedef enum
{
   BUTTONY_OK = 0,
   BUTTONY_ERROR = -1
 
} buttony_return_value_t;
 
void buttony_cfg_setup ( buttony_cfg_t *cfg );
 
err_t buttony_init ( buttony_t *ctx, buttony_cfg_t *cfg );
 
err_t buttony_set_duty_cycle ( buttony_t *ctx, float duty_cycle );
 
err_t buttony_pwm_stop ( buttony_t *ctx );
 
err_t buttony_pwm_start ( buttony_t *ctx );
 
uint8_t buttony_get_button_state ( buttony_t *ctx );
 
#ifdef __cplusplus
}
#endif
#endif // BUTTONY_H
 
 // buttony
 
// ------------------------------------------------------------------------ END