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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.16
mikroSDK Library: 2.0.0.0
Category: DAC
Downloaded: 226 times
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License: MIT license
DAC 2 Click represents a 16-bit digital-to-analog converter.
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3481_dac_2_click.zip [359.50KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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DAC 2 Click represents a 16-bit digital-to-analog converter.
We provide a library for the Dac2 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.
This library contains API for Dac2 Click driver.
Config Object Initialization function.
void dac2_cfg_setup ( dac2_cfg_t *cfg );
Initialization function.
DAC2_RETVAL dac2_init ( dac2_t ctx, dac2_cfg_t cfg );
Click Default Configuration function.
void dac2_default_cfg ( dac2_t *ctx );
This function executes default configuration for LTC2601 Click.
void dac2_default_cfg ( dac2_t *ctx );
This function required percentage value ( from 0% to 100% ) convert to digital input and transforms it to the output voltage from 0 to Vref [mV].
void dac2_write_output_voltage_procentage ( dac2_t *ctx, uint8_t value_pct );
This example code presents the usage of DAC 2 Click, and digital-to-analog converter.
The demo application is composed of two sections :
Application Init performs Logger and Click initialization.
{
log_cfg_t log_cfg;
dac2_cfg_t cfg;
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_printf( &logger, "--------------------------\r\n" );
log_printf( &logger, " Application Init\r\n" );
Delay_ms ( 1000 );
// Click initialization.
dac2_cfg_setup( &cfg );
DAC2_MAP_MIKROBUS( cfg, MIKROBUS_1 );
dac2_init( &dac2, &cfg );
log_printf( &logger, "--------------------------\r\n" );
log_printf( &logger, " ----- DAC 2 Click ----- \r\n" );
log_printf( &logger, "--------------------------\r\n" );
Delay_ms ( 1000 );
dac2_default_cfg( &dac2 );
Delay_ms ( 1000 );
log_printf( &logger, " -- Initialization done --\r\n" );
log_printf( &logger, "--------------------------\r\n" );
Delay_ms ( 1000 );
}
This example of the DAC 2 communicates with MCU through the SPI communication, send digital input ( form 0 to 100 with step 1 ) and transforms it to the output voltage, ranging from 0 to Vref [mV].
void application_task ( void )
{
uint16_t voltage_out;
uint8_t value_pct;
for ( value_pct = 0; value_pct <= 100; value_pct += 10 )
{
dac2_write_output_voltage_procentage( &dac2, value_pct );
voltage_out = value_pct * 50;
log_printf( &logger, "Voltage Output: %d mV\r\n", voltage_out );
voltage_out = value_pct;
log_printf( &logger, "Percentage Output: %d %%\r\n", voltage_out );
log_printf( &logger, "--------------------------\r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
log_printf( &logger, "###############################\r\n" );
Delay_ms ( 1000 );
}
The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.
Other mikroE Libraries used in the example:
Additional notes and informations
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.