bluetooth2.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 BLUETOOTH2_H
#define BLUETOOTH2_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_analog_in.h"
#include "drv_uart.h"
 
#define BLUETOOTH2_ESCAPE_SEQUENCE                  "+++"
#define BLUETOOTH2_FACTORY_RESET                    "SET RESET"
#define BLUETOOTH2_LIST_PAIRINGS                    "SET BT PAIR"
#define BLUETOOTH2_REMOVE_PAIRINGS                  "SET BT PAIR *"
#define BLUETOOTH2_SW_RESET                         "RESET"
#define BLUETOOTH2_SET_DEVICE_NAME                  "SET BT NAME "
#define BLUETOOTH2_FIND_OTHER_DEVICES               "INQUIRY "
#define BLUETOOTH2_PAIR                             "PAIR "
#define BLUETOOTH2_SET_CONTROL_CONFIG               "SET CONTROL CONFIG "
#define BLUETOOTH2_ENABLE_OK_WITH_DEFAULT_VALUES    "0040 1100"
#define BLUETOOTH2_DEV_ADDRESS_FORMAT               "xx:xx:xx:xx:xx:xx"
 
#define DRV_BUFFER_SIZE                             200
 
 // bluetooth2_set
 
#define BLUETOOTH2_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.tx_pin  = MIKROBUS( mikrobus, MIKROBUS_TX ); \
    cfg.rx_pin  = MIKROBUS( mikrobus, MIKROBUS_RX ); \
    cfg.cts  = MIKROBUS( mikrobus, MIKROBUS_CS ); \
    cfg.aio  = MIKROBUS( mikrobus, MIKROBUS_AN ); \
    cfg.rst  = MIKROBUS( mikrobus, MIKROBUS_RST ); \
    cfg.io7  = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
    cfg.rts  = MIKROBUS( mikrobus, MIKROBUS_INT )
 
 // bluetooth2_map
 // bluetooth2
typedef struct bluetooth2_s
{
    digital_out_t  rst;                      
    digital_out_t  io7;                      
    digital_out_t  cts;                      
    digital_in_t   rts;                      
    uart_t         uart;                     
    analog_in_t    adc;                      
    char uart_rx_buffer[ DRV_BUFFER_SIZE ];  
    char uart_tx_buffer[ DRV_BUFFER_SIZE ];  
} bluetooth2_t;
 
typedef struct
{
    pin_name_t  rx_pin;                     
    pin_name_t  tx_pin;                     
    pin_name_t  cts;                        
    pin_name_t  aio;                        
    pin_name_t  rst;                        
    pin_name_t  io7;                        
    pin_name_t  rts;                        
    analog_in_resolution_t resolution;      
    float                  vref;            
    uint32_t          baud_rate;            
    bool              uart_blocking;        
    uart_data_bits_t  data_bit;             
    uart_parity_t     parity_bit;           
    uart_stop_bits_t  stop_bit;             
} bluetooth2_cfg_t;
 
typedef enum
{
    BLUETOOTH2_OK = 0,
    BLUETOOTH2_ERROR = -1
 
} bluetooth2_return_value_t;
 
void bluetooth2_cfg_setup ( bluetooth2_cfg_t *cfg );
 
err_t bluetooth2_init ( bluetooth2_t *ctx, bluetooth2_cfg_t *cfg );
 
void bluetooth2_default_cfg ( bluetooth2_t *ctx );
 
err_t bluetooth2_generic_write ( bluetooth2_t *ctx, char *data_buf, uint16_t len );
 
err_t bluetooth2_generic_read ( bluetooth2_t *ctx, char *data_buf, uint16_t max_len );
 
err_t bluetooth2_read_an_pin_value ( bluetooth2_t *ctx, uint16_t *data_out );
 
err_t bluetooth2_read_an_pin_voltage ( bluetooth2_t *ctx, float *data_out );
 
void bluetooth2_set_cts_pin ( bluetooth2_t *ctx, uint8_t state );
 
void bluetooth2_set_rst_pin ( bluetooth2_t *ctx, uint8_t state );
 
void bluetooth2_set_io7_pin ( bluetooth2_t *ctx, uint8_t state );
 
uint8_t bluetooth2_get_rts_pin ( bluetooth2_t *ctx );
 
err_t bluetooth2_write_command ( bluetooth2_t *ctx, char *data_buf );
 
void bluetooth2_hw_reset ( bluetooth2_t *ctx );
 
err_t bluetooth2_toggle_mode ( bluetooth2_t *ctx );
 
err_t bluetooth2_factory_reset ( bluetooth2_t *ctx );
 
err_t bluetooth2_sw_reset ( bluetooth2_t *ctx );
 
err_t bluetooth2_remove_pairings ( bluetooth2_t *ctx );
 
err_t bluetooth2_list_pairings ( bluetooth2_t *ctx );
 
err_t bluetooth2_set_device_name ( bluetooth2_t *ctx, char *dev_name );
 
err_t bluetooth2_find_other_devices ( bluetooth2_t *ctx, uint8_t timeout );
 
err_t bluetooth2_pair ( bluetooth2_t *ctx, uint8_t *dev_addr );
 
err_t bluetooth2_enable_ok_response ( bluetooth2_t *ctx );
 
#ifdef __cplusplus
}
#endif
#endif // BLUETOOTH2_H
 
 // bluetooth2
 
// ------------------------------------------------------------------------ END