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mikroSDK Library

Qi RX click

Rating:

5

Author: MIKROE

Last Updated: 2020-12-30

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Wireless Charging

Downloaded: 2449 times

Not followed.

License: MIT license  

Qi RX Click is a compact add-on board made for the purpose of wireless power transfer. This board features the PIC16F15313, a general-purpose 8-bit MCU that makes a flexible, low-cost alternative to the wireless charging solutions based on ASICs from Microchip.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Qi RX click

Qi RX click

Native view of the Qi RX click board.

View full image
Qi RX click

Qi RX click

Front and back view of the Qi RX click board.

View full image

Library Description

The library covers all the necessary functions that enables the usage of the Qi RX Click board™. It offers reading from output register and calculations that result in relatively accurate measurement of connected batteries voltage.

Key functions:

  • uint16_t qirx_read_data ( ); - Function is used to read raw data from MCP3221.
  • uint16_t qirx_read_voltage ( uint16_t v_ref ); - Function is used to calculate voltage of the connected battery.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes I2C module and LOG structure.
  • Application Initialization - Initalizes I2C driver and makes an initial log.
  • Application Task - This example shows the capabilities of the Qi RX Click by measuring voltage of the connected battery. In order to get correct calculations user should change "v_ref" value to his own power supply voltage.
void application_task ( )
{
    voltage = qirx_read_voltage( v_ref );
    WordToStr( voltage, log_txt );
    Ltrim( log_txt );
    mikrobus_logWrite( "Battery voltage: ", _LOG_TEXT );
    mikrobus_logWrite( log_txt, _LOG_TEXT );
    mikrobus_logWrite( "mV", _LOG_LINE );

    mikrobus_logWrite( "-----------------------", _LOG_LINE );
    Delay_ms( 2000 );
}

Other mikroE Libraries used in the example:

  • I2C
  • UART
  • Conversions

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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