annab412  2.1.0.0
Main Page

ANNA-B412 click

ANNA-B412 Click is a compact add-on board that provides BT/BLE connectivity for any embedded application. This board features the ANNA-B412, a standalone Bluetooth 5.1 low-energy module from u-blox. It is a System-in-Package (SiP) design with pre-flashed u-connectXpress software, which supports Bluetooth LE Serial port service, GATT client and server, Bluetooth beacons, Bluetooth long-range, NFC, and simultaneous peripheral and central roles. The Bluetooth module in LE mode can achieve up to 2Mbps data rates.

click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Jul 2023.
  • Type : UART type

Software Support

We provide a library for the ANNA-B412 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for ANNA-B412 Click driver.

Standard key functions :

Example key functions :

Example Description

This example demonstrates the use of ANNA-B412 click board by processing the incoming data and displaying them on the USB UART.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the click default configuration.

void application_init ( void )
{
log_cfg_t log_cfg;
annab412_cfg_t annab412_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
annab412_cfg_setup( &annab412_cfg );
ANNAB412_MAP_MIKROBUS( annab412_cfg, MIKROBUS_1 );
if ( UART_ERROR == annab412_init( &annab412, &annab412_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( ANNAB412_ERROR == annab412_default_cfg ( &annab412 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
Delay_ms( 1000 );
annab412_display_rsp( RSP_OK );
Delay_ms( 100 );
annab412_display_rsp( RSP_OK );
Delay_ms( 100 );
annab412_display_rsp( RSP_OK );
Delay_ms( 100 );
annab412_display_rsp( RSP_OK );
Delay_ms( 100 );
Delay_ms( 100 );
}

Application Task

Reads and processes all incoming data and displays them on the USB UART.

void application_task ( void )
{
annab412_process( &annab412 );
if ( app_buf_len > 0 )
{
log_printf( &logger, "%s", app_buf );
annab412_clear_app_buf( );
}
}

Note

We have used the BLE Scanner smartphone application for the test.

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.ANNAB412

Additional notes and informations

Depending on the development board you are using, you may need USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.


annab412_set_cmd_enter_mode
err_t annab412_set_cmd_enter_mode(annab412_t *ctx, uint8_t mode)
ANNA-B412 set enter mode function.
annab412_set_dsr_pin
void annab412_set_dsr_pin(annab412_t *ctx, uint8_t state)
ANNA-B412 set data set ready pin function.
annab412_set_cmd_device_name
err_t annab412_set_cmd_device_name(annab412_t *ctx, char *device_name)
ANNA-B412 set device name function.
annab412_init
err_t annab412_init(annab412_t *ctx, annab412_cfg_t *cfg)
ANNA-B412 initialization function.
ANNAB412_DISCOVERABLE_MODE_ON
#define ANNAB412_DISCOVERABLE_MODE_ON
Definition: annab412.h:107
DEVICE_NAME
#define DEVICE_NAME
Definition: main.c:34
ANNAB412_PIN_STATE_LOW
#define ANNAB412_PIN_STATE_LOW
ANNA-B412 I/O logic pin state.
Definition: annab412.h:122
application_task
void application_task(void)
Definition: main.c:129
ANNAB412_MAP_MIKROBUS
#define ANNAB412_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: annab412.h:149
annab412_set_cmd_discover_mode
err_t annab412_set_cmd_discover_mode(annab412_t *ctx, uint8_t mode)
ANNA-B412 set discoverability mode function.
ANNAB412_ERROR
@ ANNAB412_ERROR
Definition: annab412.h:218
annab412_cfg_t
ANNA-B412 Click configuration object.
Definition: annab412.h:190
annab412_default_cfg
err_t annab412_default_cfg(annab412_t *ctx)
ANNA-B412 default configuration function.
ANNAB412_ENTER_MODE_DATA
#define ANNAB412_ENTER_MODE_DATA
Definition: annab412.h:114
application_init
void application_init(void)
Definition: main.c:75
annab412_set_cmd_echo_on
err_t annab412_set_cmd_echo_on(annab412_t *ctx)
ANNA-B412 set command echo on function.
annab412_cfg_setup
void annab412_cfg_setup(annab412_cfg_t *cfg)
ANNA-B412 configuration object setup function.
annab412_set_cmd_conn_mode
err_t annab412_set_cmd_conn_mode(annab412_t *ctx, uint8_t mode)
ANNA-B412 set connectability mode function.
RSP_OK
#define RSP_OK
Definition: main.c:36
annab412_t
ANNA-B412 Click context object.
Definition: annab412.h:166