iso9141.h

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** Copyright (C) 2021 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
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** furnished to do so, subject to the following conditions:
** The above copyright notice and this permission notice shall be
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#ifndef ISO9141_H
#define ISO9141_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 ISO9141_TX_DRV_BUFFER_SIZE      100
#define ISO9141_RX_DRV_BUFFER_SIZE      300
 
 // iso9141_set
 
#define ISO9141_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.tx_pin  = MIKROBUS( mikrobus, MIKROBUS_TX ); \
    cfg.rx_pin  = MIKROBUS( mikrobus, MIKROBUS_RX ); \
 
 // iso9141_map
 // iso9141
 
typedef struct
{
    // Modules
    uart_t uart;                        
    // Buffers
    uint8_t uart_rx_buffer[ ISO9141_RX_DRV_BUFFER_SIZE ];   
    uint8_t uart_tx_buffer[ ISO9141_TX_DRV_BUFFER_SIZE ];   
} iso9141_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;         
} iso9141_cfg_t;
 
typedef enum
{
    ISO9141_OK = 0,
    ISO9141_ERROR = -1
 
} iso9141_return_value_t;
 
void iso9141_cfg_setup ( iso9141_cfg_t *cfg );
 
err_t iso9141_init ( iso9141_t *ctx, iso9141_cfg_t *cfg );
 
err_t iso9141_generic_write ( iso9141_t *ctx, uint8_t *data_buf, uint16_t len );
 
err_t iso9141_generic_read ( iso9141_t *ctx, uint8_t *data_buf, uint16_t max_len );
 
#ifdef __cplusplus
}
#endif
#endif // ISO9141_H
 
 // iso9141
 
// ------------------------------------------------------------------------ END