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DigiVref click
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Author: MikroElektronika Team
Last Updated: 2018-12-13
Category: Power supply
Downloaded: 18 times
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DigiVref click is a very precise voltage reference Click board, which allows one of four different voltage values to be selected over the SPI interface.
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mikroSDK Library Blog
Library Description
The library contains a function for setting a reference output voltage which can be 1030mV, 2046mv, 3070mV or 4096mV.
Key functions:
void digivref_setOutputVoltage( uint8_t Vref )- Function for set reference output voltage
Examples description
The application is composed of the three sections :
- System Initialization - Initializes SPI driver and sets CS pin as OUTPUT.
- Application Initialization - Initialization driver init.
- Application Task - (code snippet) - Changes the reference output voltage every 3 seconds.
void applicationTask()
{
digivref_setOutputVoltage( _DIGIVREF_REF_VOLTAGE_4096mV );
Delay_ms( 3000 );
digivref_setOutputVoltage( _DIGIVREF_REF_VOLTAGE_3070mV );
Delay_ms( 3000 );
digivref_setOutputVoltage( _DIGIVREF_REF_VOLTAGE_2046mV );
Delay_ms( 3000 );
digivref_setOutputVoltage( _DIGIVREF_REF_VOLTAGE_1030mV );
Delay_ms( 3000 );
digivref_setOutputVoltage( _DIGIVREF_REF_VOLTAGE_2046mV );
Delay_ms( 3000 );
digivref_setOutputVoltage( _DIGIVREF_REF_VOLTAGE_3070mV );
Delay_ms( 3000 );
}
Other mikroE Libraries used in the example:
SPI
Additional notes and information
Depending on the development board you are using, you may need USB UART click, USB 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.