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mikroSDK Library

DeviceDrive click

Rating:

5

Author: MIKROE

Last Updated: 2019-07-18

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: WIFI

Downloaded: 3992 times

Not followed.

License: MIT license  

DeviceDrive Click is a complete Cloud-on-Module solution with Wi-Fi functionality and integrated PCB antenna.

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mikroSDK Library Blog

DeviceDrive Click

DeviceDrive Click

Native view of the DeviceDrive Click board.

View full image
DeviceDrive Click

DeviceDrive Click

Front and back view of the DeviceDrive Click board.

View full image

Library Description

This library allows user to perform a control of the DeviceDrive click and communication between device and cloud. User has options to send commands, configurations, messages, files... Every response from the WRF01 module will be sent to the user via handler function in JSON format. On this way every response on the sent command, every indication, connection status of the local network, device status can be checked and processed by the user. This library has also some necessary and important commands to perform network connection, module configuration and messages sending. For more details check full documentation.

Key functions:

  • void dd_uartDriverInit( T_DD_P gpioObj, T_DD_P uartObj ) - This function initializes UART serial interface.
  • void dd_send_cmd( char *cmd_string ) - This function allows user to send a command to the module.
  • T_DD_RETVAL dd_process( void ) - This function performs a response processing.
  • void dd_setup( const char *param_code, const char *param_value ) - This command allows user to send setup commands to the WRF01.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes peripherals and pins.
  • Application Initialization - Initializes UART serial interface and interrupt, executes wake up sequence and asks user which command will be performed for module setting. Also writes all possible commands to the uart terminal.
  • Application Task - (code snippet) - Checks which character (command) was received from the user and executes the determined command. The response from the module will be received and processed independently on the user, did user send any of the possible commands or not. The response, module and connection status, debug and error reports, command messages will be sent to the uart terminal.
void applicationTask()
{
    rx_cmd = UART_Rdy_Ptr();
    
    if (rx_cmd != _DD_RSP_NOT_READY)
    {
        rx_cmd = UART_Rd_Ptr();
    
        switch (rx_cmd)
        {
            case '1' :
            {
                mikrobus_logWrite( "> send message 1:", _LOG_LINE );
                Delay_ms( 500 );
                dd_send_cmd( &message_1[0] );
            break;
            }
            case '2' :
            {
                mikrobus_logWrite( "> send message 2:", _LOG_LINE );
                Delay_ms( 500 );
                dd_send_cmd( &message_2[0] );
            break;
            }
            case 't' :
            {
                mikrobus_logWrite( "> get time:", _LOG_LINE );
                Delay_ms( 500 );
                dd_get_time();
            break;
            }
            case 'u' :
            {
                mikrobus_logWrite( "> check upgrade:", _LOG_LINE );
                Delay_ms( 500 );
                dd_check_upgrade();
            break;
            }
            case 'f' :
            {
                mikrobus_logWrite( "> factory reset:", _LOG_LINE );
                Delay_ms( 500 );
                dd_factory_reset();
            break;
            }
            case 'c' :
            {
                mikrobus_logWrite( "> connect to network:", _LOG_LINE );
                Delay_ms( 500 );
                dd_set_product_key( &product_key[0] );
                processResponse( 1000 );
                dd_connect( &network_name[0], &network_pwd[0] );
            break;
            }
            case 'i' :
            {
                mikrobus_logWrite( "> introspect:", _LOG_LINE );
                Delay_ms( 500 );
                dd_send_cmd( &introspect_cmd[0] );
            break;
            }
            case 'v' :
            {
                mikrobus_logWrite( "> turn on AP:", _LOG_LINE );
                Delay_ms( 500 );
                dd_show_device( &ap_on[0] );
            break;
            }
            case 'l' :
            {
                mikrobus_logWrite( "> enable debug/error logging:", _LOG_LINE );
                Delay_ms( 500 );
                dd_setup( &debug_mode[0], &set_all[0] );
                processResponse( 1000 );
                dd_setup( &error_mode[0], &set_all[0] );
            break;
            }
            case 's' :
            {
                mikrobus_logWrite( "> status:", _LOG_LINE );
                Delay_ms( 500 );
                dd_status();
            break;
            }
            default :
            {
                mikrobus_logWrite( "> invalid command", _LOG_LINE );
                Delay_ms( 500 );
                logCmd();
            break;
            }
        }
    }

    processResponse( 1 );
}

Additional Functions :

  • getResponse - Gets and stores the response from the WRF01 module (handler function).
  • processResponse - Checks the response in the determined time interval, and when response was ready writes response to the uart terminal.
  • checkCmd - Allows user to enter the desired answer (command), y - yes, n - no.
  • logCmd - Writes all possible commands for the user to the uart terminal.
  • rx_isr - Catches the response bytes from the module one by one, when module was send some bytes to the host.

Other mikroE Libraries used in the example:

  • UART

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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