hbridge8.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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** 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.
**
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** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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#ifndef HBRIDGE8_H
#define HBRIDGE8_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 HBRIDGE8_MODE_REVERSE      0
#define HBRIDGE8_MODE_FORWARD      1
 
 // mode
 
#define HBRIDGE8_DEF_FREQ     225000
 
 // hbridge8_cfg
 
#define HBRIDGE8_MAP_MIKROBUS( cfg, mikrobus )    \
    cfg.pwm = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
    cfg.en = MIKROBUS( mikrobus, MIKROBUS_RST );  \
    cfg.mod = MIKROBUS( mikrobus, MIKROBUS_CS );  \
    cfg.flt = MIKROBUS( mikrobus, MIKROBUS_INT )
 
 // hbridge8_map
 // hbridge8
 
typedef struct
{
    // Output pins
    digital_out_t en;     
    digital_out_t mod;    
    // Input pins
    digital_in_t flt;     
    // Modules
    pwm_t pwm;            
    // ctx variable
    uint32_t pwm_freq;    
} hbridge8_t;
 
typedef struct
{
    // Communication gpio pins
    pin_name_t pwm;           
    // Additional gpio pins
    pin_name_t en;           
    pin_name_t mod;          
    pin_name_t flt;          
    // Static variable
    uint32_t dev_pwm_freq;   
} hbridge8_cfg_t;
 
typedef enum
{
   HBRIDGE8_OK = 0,
   HBRIDGE8_ERROR = -1
 
} hbridge8_return_value_t;
 
void hbridge8_cfg_setup ( hbridge8_cfg_t *cfg );
 
err_t hbridge8_init ( hbridge8_t *ctx, hbridge8_cfg_t *cfg );
 
err_t hbridge8_default_cfg ( hbridge8_t *ctx );
 
err_t hbridge8_set_duty_cycle ( hbridge8_t *ctx, float duty_cycle );
 
err_t hbridge8_pwm_stop ( hbridge8_t *ctx );
 
err_t hbridge8_pwm_start ( hbridge8_t *ctx );
 
err_t hbridge8_set_mode ( hbridge8_t *ctx, uint8_t mode );
 
err_t hbridge8_enable ( hbridge8_t *ctx );
 
err_t hbridge8_disable ( hbridge8_t *ctx );
 
uint8_t hbridge8_get_fault_indication ( hbridge8_t *ctx );
 
#ifdef __cplusplus
}
#endif
#endif // HBRIDGE8_H
 
 // hbridge8
 
// ------------------------------------------------------------------------ END