mcp2003b.h

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#ifndef MCP2003B_H
#define MCP2003B_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 MCP2003B_TX_DRV_BUFFER_SIZE    100
#define MCP2003B_RX_DRV_BUFFER_SIZE    300
 
 // mcp2003b_cmd
 
#define MCP2003B_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.tx_pin  = MIKROBUS( mikrobus, MIKROBUS_TX ); \
    cfg.rx_pin  = MIKROBUS( mikrobus, MIKROBUS_RX ); \
    cfg.cs = MIKROBUS( mikrobus, MIKROBUS_CS );
 
 // mcp2003b_map
 // mcp2003b
 
typedef struct
{
    // Output pins
    digital_out_t cs;               
    // Modules
    uart_t uart;                    
    // Buffers
    uint8_t uart_rx_buffer[ MCP2003B_RX_DRV_BUFFER_SIZE ];  
    uint8_t uart_tx_buffer[ MCP2003B_TX_DRV_BUFFER_SIZE ];  
} mcp2003b_t;
 
typedef struct
{
    // Communication gpio pins
    pin_name_t rx_pin;              
    pin_name_t tx_pin;              
    // Additional gpio pins
    pin_name_t cs;                  
    // 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;      
} mcp2003b_cfg_t;
 
typedef enum
{
    MCP2003B_OK = 0,
    MCP2003B_ERROR = -1
 
} mcp2003b_return_value_t;
 
void mcp2003b_cfg_setup ( mcp2003b_cfg_t *cfg );
 
err_t mcp2003b_init ( mcp2003b_t *ctx, mcp2003b_cfg_t *cfg );
 
err_t mcp2003b_generic_write ( mcp2003b_t *ctx, uint8_t *data_in, uint16_t len );
 
err_t mcp2003b_generic_read ( mcp2003b_t *ctx, uint8_t *data_out, uint16_t len );
 
void mcp2003b_set_cs_pin ( mcp2003b_t *ctx, uint8_t state );
 
#ifdef __cplusplus
}
#endif
#endif // MCP2003B_H
 
 // mcp2003b
 
// ------------------------------------------------------------------------ END