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mikroSDK Library

RTC 5 click

Rating:

5

Author: MIKROE

Last Updated: 2019-01-29

Package Version: 1.0.0.1

mikroSDK Library: 1.0.0.0

Category: RTC

Downloaded: 6662 times

Followed by: 7 users

License: MIT license  

RTC5 click carries MCP79510, a real-time clock/calendar with an SPI interface. The example sets and reads the time, and displays it on the Lcd.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

RTC5 click board

RTC5 click board

Front and back view of 6DOF IMU click board designed in mikroBUS form factor. mikroBUS is specially designed pinout standard with SPI, I2C, Analog, UART, Interrupt, PWM, Reset and Power supply pins.

View full image

Library Description

The library covers all the necessary functions to control RTC 5 Click board. RTC 5 click communicates with the target board via SPI protocol.  This library contains drivers for write and read data from MCP79510 chip, set time and date, get time and date, enable and disable counting, clear RTCC and SRAM memory, sets and gets first and secund alarm, set frequency, set special configuration function, etc.

Key functions:

  • void rtc5_setTime( uint8_t timeHours, uint8_t timeMinutes, uint8_t timeSeconds ) - Set time hours, minutes and seconds function.
  • void rtc5_getTime( uint8_t *timeHours, uint8_t *timeMinutes, uint8_t *timeSeconds ) - Get time hours, minutes and seconds function.
  • void rtc5_getDate( uint8_t *dayOfTheWeek, uint8_t *dateDay, uint8_t *dateMonth, uint16_t *dateYear ) - Get time hours, minutes and seconds function.

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes GPIO, SPI and LOG structures, sets CS pin as output and INT pin as input.
  • Application Initialization - Initialization driver enable's - SPI, clear RTCC and SRAM memory, sets starting time and date, enable counting and start write log.
  • Application Task - (code snippet) This is a example which demonstrates the use of RTC 5 Click board. RTC 5 Click communicates with register via SPI by write to register and read from register, display RTC time and date which we received reading from the target register address of MCP79510 chip. Results are being sent to the Usart Terminal where you can track their changes.
    All data logs write on usb uart changes for every 1 sec.
void applicationTask()
{      
    rtc5_getTime( &timeHours, &timeMinutes, &timeSeconds );
    rtc5_getDate( &dayOfTheWeek, &dateDay, &dateMonth, &dateYear );

    if ( timeSecondsNew != timeSeconds )
    {
        mikrobus_logWrite( " Time : ", _LOG_TEXT );
        displayLogUart( timeHours );
        mikrobus_logWrite( ":", _LOG_TEXT );
        
        displayLogUart( timeMinutes );
        mikrobus_logWrite( ":", _LOG_TEXT );
        
        displayLogUart( timeSeconds );
        mikrobus_logWrite( "", _LOG_LINE );
        
        displayLogDayOfTheWeek( dayOfTheWeek );
        mikrobus_logWrite( " Date: ", _LOG_TEXT );
        
        displayLogUart( dateDay );
        mikrobus_logWrite( ".", _LOG_TEXT );
        
        displayLogUart( dateMonth );
        mikrobus_logWrite( ".", _LOG_TEXT );
        
        mikrobus_logWrite( "20", _LOG_TEXT );
        displayLogUart( dateYear );
        mikrobus_logWrite( ".", _LOG_LINE );
        
        mikrobus_logWrite( "------------------", _LOG_LINE );
        
        timeSecondsNew = timeSeconds;
     }
     Delay_1ms();
}


Additional Functions :

  • void displayLogDayOfTheWeek( uint8_t dayOfTheWeek )- Write day of the week log on USART terminal.
  • void displayLogUart( uint8_t value )- Write the value of time or date as a two-digit number.

Other mikroE Libraries used in the example:

  • SPI
  • UART
  • Conversions

Additional notes and information

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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