usbmux.h

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/****************************************************************************
** 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.
**
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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#ifndef USBMUX_H
#define USBMUX_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"
 
#define USBMUX_PIN_STATE_LOW                0x00
#define USBMUX_PIN_STATE_HIGH               0x01
 
#define USBMUX_USB1_SELECT                  0x00
#define USBMUX_USB2_SELECT                  0x01
 
 // usbmux_set
 
#define USBMUX_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.oe = MIKROBUS( mikrobus, MIKROBUS_RST ); \
    cfg.sel = MIKROBUS( mikrobus, MIKROBUS_PWM )
 
 // usbmux_map
 // usbmux
 
typedef struct
{
    digital_out_t oe;       
    digital_out_t sel;      
} usbmux_t;
 
typedef struct
{
    pin_name_t oe;          
    pin_name_t sel;         
} usbmux_cfg_t;
 
typedef enum
{
    USBMUX_OK = 0,
    USBMUX_ERROR = -1
 
} usbmux_return_value_t;
 
void usbmux_cfg_setup ( usbmux_cfg_t *cfg );
 
err_t usbmux_init ( usbmux_t *ctx, usbmux_cfg_t *cfg );
 
void usbmux_default_cfg ( usbmux_t *ctx );
 
void usbmux_set_oe_pin ( usbmux_t *ctx, uint8_t pin_state );
 
void usbmux_set_sel_pin ( usbmux_t *ctx, uint8_t pin_state );
 
void usbmux_enable_output ( usbmux_t *ctx );
 
void usbmux_disable_output ( usbmux_t *ctx );
 
void usbmux_set_output ( usbmux_t *ctx, uint8_t out_sel );
 
#ifdef __cplusplus
}
#endif
#endif // USBMUX_H
 
 // usbmux
 
// ------------------------------------------------------------------------ END