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mikroSDK Library

BLE 7 click

Rating:

5

Author: MIKROE

Last Updated: 2019-12-06

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Bluetooth®

Downloaded: 3580 times

Not followed.

License: MIT license  

The BLE 7 click is a Click boardâ„¢ witch provide BT/BLE connectivity for any embedded application. BLE 7 click based on the BGX13S22GA-V31, a module from Silicon Labs.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

BLE 7 click

BLE 7 click

Native view of the BLE 7 click board.

View full image
BLE 7 click

BLE 7 click

Front and back view of the BLE 7 click board.

View full image

Library Description

This library offers a choice to communicate with the BLE 7 Click board (BGX 13P22GAV21 module). Library can send commands, configurations, status request, pairing request or any other data. Also can receive any response from the BGX module, including confirmed or unconfirmed response (answer), module status, connection status, and any transferred data from the other BGX module. Any BLE 7 click can be configured to work as central (server, master) device or as peripheral (client, slave) device. For more details check documentation.

Key functions:

  • void ble7_uart_isr( void ) - This function reads response bytes from the BGX module and sets flag after each received byte
  • uint8_t ble7_response_ready( void ) - This function checks does response ready or not.
  • void ble7_send( uint8_t *tx_data ) - This function allows user to transmit data to the BGX module.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes peripherals and pins.
  • Application Initialization - Initializes UART serial interface, uart interrupt, and executes the module reset.
  • Application Task - (code snippet) - This function has two segments. First segment allows user to enter a commands, module configuration, data which will be transmitted, also to check all module and connection status by using the serial terminal. Press 'enter' when you want to send the entered command (data). Press 'backspace' to delete the wrong entered character before you send the command. Press 'up-down' or 'left-right' to see and enter the 3 last sent commands. Second segment allows user to check and get response from the module when response was ready. Note : The all possible commands and module configurations can be found on the next link: https://docs.silabs.com/gecko-os/1/bgx/latest/commands
void applicationTask()
{
    rx_data = UART_Rdy_Ptr();
    
    if (rx_data != _RX_NOT_READY)
    {
        rx_data = UART_Rd_Ptr();
        
        checkRX();
    }
    
    logRsp();
}


Additional Functions :

  • _strcpy - Allows user to copy content of one string to another string, starting from the first place.
  • prevCmd - Checks which character (up, down, left, right) was entered by the user.
  • checkPrevCmd - Determines which of the 3 previous commands will be entered again.
  • checkRX - Checks which character was entered by the user and executes a operation which is determined with the entered character.
  • getRsp - Catches the response bytes and sets flag when the response was ready.
  • logRsp - Allows user to see and check the response on the serial terminal.
  • interrupt - Checks does any new byte was received from the module.

Other mikroE Libraries used in the example:

  • UART

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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