canisolator2.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 CANISOLATOR2_H
#define CANISOLATOR2_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_uart.h"
 
#define DRV_BUFFER_SIZE                       200
 
 // canisolator2_set
 
#define CANISOLATOR2_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.tx_pin  = MIKROBUS( mikrobus, MIKROBUS_TX ); \
    cfg.rx_pin  = MIKROBUS( mikrobus, MIKROBUS_RX );
 
 // canisolator2_map
 // canisolator2
 
typedef struct
{
    // Modules
 
    uart_t uart;                                    
    // Buffers
 
    char uart_rx_buffer[ DRV_BUFFER_SIZE ];         
    char uart_tx_buffer[ DRV_BUFFER_SIZE ];         
} canisolator2_t;
 
typedef struct
{
    // Communication gpio pins
 
    pin_name_t rx_pin;                              
    pin_name_t tx_pin;                              
    // Static variable
 
    uint32_t          baud_rate;                    
    bool              uart_blocking;                
    uart_data_bits_t  data_bit;                     
    uart_parity_t     parity_bit;                   
    uart_stop_bits_t  stop_bit;                     
} canisolator2_cfg_t;
 
typedef enum
{
   CANISOLATOR2_OK = 0,
   CANISOLATOR2_ERROR = -1
 
} canisolator2_return_value_t;
 
void canisolator2_cfg_setup ( canisolator2_cfg_t *cfg );
 
err_t canisolator2_init ( canisolator2_t *ctx, canisolator2_cfg_t *cfg );
 
err_t canisolator2_generic_write ( canisolator2_t *ctx, char *data_buf, uint16_t len );
 
err_t canisolator2_generic_read ( canisolator2_t *ctx, char *data_buf, uint16_t max_len );
 
err_t canisolator2_send_data ( canisolator2_t *ctx, char *tx_data );
 
#ifdef __cplusplus
}
#endif
#endif // CANISOLATOR2_H
 
 // canisolator2
 
// ------------------------------------------------------------------------ END