uvc 2.2.0
uvc


UVC Click

UVC Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.


Click Library

  • Author : MikroE Team
  • Date : jun 2020.
  • Type : I2C type

Software Support

Example Description

This Click is capable of measuring UVC spectrum in the range of 220nm up to 280nm and light intensity from 0mW/cm² up to 9.3mW/cm². With high sensitivity and good solar blindness, it can be used for monitoring sterilization lamps.

Example Libraries

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Uvc

Example Key Functions

  • uvc_cfg_setup Config Object Initialization function.
    void uvc_cfg_setup ( uvc_cfg_t *cfg );
    void uvc_cfg_setup(uvc_cfg_t *cfg)
    Config Object Initialization function.
    Click configuration structure definition.
    Definition uvc.h:119
  • uvc_init Initialization function.
    err_t uvc_init ( uvc_t *ctx, uvc_cfg_t *cfg );
    UVC_RETVAL uvc_init(uvc_t *ctx, uvc_cfg_t *cfg)
    Initialization function.
    Click ctx object definition.
    Definition uvc.h:100
  • uvc_read_raw_data This function reads 12bit raw data.
    uint16_t uvc_read_raw_data ( uvc_t *ctx );
    uint16_t uvc_read_raw_data(uvc_t *ctx)
    Read 12bit raw data.
  • uvc_get_voltage This function calculate voltage from raw data.
    float uvc_get_voltage ( uvc_t *ctx );
    float uvc_get_voltage(uvc_t *ctx)
    Calculate voltage.
  • uvc_calculate_power This function calculate power from voltage.
    float uvc_calculate_power ( float voltage );
    float uvc_calculate_power(float voltage)
    Calculate power.

Application Init

Initializes the driver.

void application_init ( void )
{
log_cfg_t log_cfg;
uvc_cfg_t cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, "---- Application Init ----" );
// Click initialization.
uvc_cfg_setup( &cfg );
UVC_MAP_MIKROBUS( cfg, MIKROBUS_1 );
uvc_init( &uvc, &cfg );
}
#define UVC_MAP_MIKROBUS(cfg, mikrobus)
Definition uvc.h:66
void application_init(void)
Definition main.c:35

Application Task

Reads sensor raw data and calculates voltage and power of UVC light. The measured values will be displayed on the USB UART every 1500 ms.

void application_task ( void )
{
uint16_t raw_data;
float voltage;
float power;
raw_data = uvc_read_raw_data( &uvc );
log_printf( &logger, "Raw data: %d\r\n", raw_data );
voltage = uvc_get_voltage( &uvc );
log_printf( &logger, "Voltage: %.4f mV\r\n", voltage );
power = uvc_calculate_power( voltage );
log_printf( &logger, "Power: %.4f mW/cm2\r\n", power );
log_printf( &logger, "----------------------\r\n" );
Delay_ms ( 1000 );
Delay_ms ( 500 );
}
void application_task(void)
Definition main.c:60

Application Output

This Click board can be interfaced and monitored in two ways:

  • Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
  • UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.