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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.2
mikroSDK Library: 2.0.0.0
Category: DAC
Downloaded: 26 times
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License: MIT license
DAC 16 Click is a compact add-on board, a digital-to-analog converter (DAC) designed for precise voltage and current output applications. This board features the DAC63204-Q1, an automotive-qualified 12-bit DAC from Texas Instruments. This Click board™ features four output channels with flexible configuration options, including adjustable voltage gains and selectable current ranges from ±25μA to ±250μA. It also supports both internal and external voltage references and offers a Hi-Z power-down mode for enhanced protection. Communication with the host MCU is enabled through either a 4-wire SPI or I2C interface, with configurable I2C addresses and a general-purpose I/O pin for additional functionality.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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5709_dac_16_click.zip [724.66KB] | 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 16 Click is a compact add-on board, a digital-to-analog converter (DAC) designed for precise voltage and current output applications. This board features the DAC63204-Q1, an automotive-qualified 12-bit DAC from Texas Instruments. This Click board™ features four output channels with flexible configuration options, including adjustable voltage gains and selectable current ranges from ±25μA to ±250μA. It also supports both internal and external voltage references and offers a Hi-Z power-down mode for enhanced protection. Communication with the host MCU is enabled through either a 4-wire SPI or I2C interface, with configurable I2C addresses and a general-purpose I/O pin for additional functionality.
We provide a library for the DAC 16 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 from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
This library contains API for DAC 16 Click driver.
dac16_cfg_setup
Config Object Initialization function.
void dac16_cfg_setup ( dac16_cfg_t *cfg );
dac16_init
Initialization function.
err_t dac16_init ( dac16_t *ctx, dac16_cfg_t *cfg );
dac16_default_cfg
Click Default Configuration function.
err_t dac16_default_cfg ( dac16_t *ctx );
dac16_set_dac_data
This function sets the raw DAC data for the selected DAC channel.
err_t dac16_set_dac_data ( dac16_t *ctx, uint8_t dac, uint16_t dac_data );
dac16_start_function_gen
This function starts the function generator for the selected DAC channel.
err_t dac16_start_function_gen ( dac16_t *ctx, uint8_t dac );
dac16_stop_function_gen
This function stops the function generator for the selected DAC channel.
err_t dac16_stop_function_gen ( dac16_t *ctx, uint8_t dac );
This example demonstrates the use of DAC 16 Click board by changing the voltage level on the OUT0 as well as the waveform signals from a function generator on the OUT1.
The demo application is composed of two sections :
Initializes the driver and performs the Click default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
dac16_cfg_t dac16_cfg; /**< Click config object. */
/**
* 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_info( &logger, " Application Init " );
// Click initialization.
dac16_cfg_setup( &dac16_cfg );
DAC16_MAP_MIKROBUS( dac16_cfg, MIKROBUS_1 );
err_t init_flag = dac16_init( &dac16, &dac16_cfg );
if ( ( I2C_MASTER_ERROR == init_flag ) || ( SPI_MASTER_ERROR == init_flag ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( DAC16_ERROR == dac16_default_cfg ( &dac16 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Changes the voltage level on the OUT0 as well as the waveform signals from a function generator on the OUT1 every 3 seconds. The state of all outputs will be displayed on the USB UART.
void application_task ( void )
{
static uint16_t dac = 0;
static uint8_t waveform = DAC16_WAVEFORM_TRIANGULAR;
if ( DAC16_OK == dac16_set_dac_data ( &dac16, DAC16_SEL_DAC_0, dac ) )
{
log_printf( &logger, "\r\n OUT0: %u -> %.2f V\r\n",
dac, ( float ) dac * DAC16_VDD_3V3 / DAC16_DAC_DATA_MAX );
dac += 100;
if ( dac > DAC16_DAC_DATA_MAX )
{
dac = DAC16_DAC_DATA_MIN;
}
}
err_t error_flag = dac16_stop_function_gen ( &dac16, DAC16_SEL_DAC_1 );
error_flag |= dac16_config_function_gen ( &dac16, DAC16_SEL_DAC_1, waveform,
DAC16_CODE_STEP_32_LSB, DAC16_SLEW_RATE_4_US );
error_flag |= dac16_start_function_gen ( &dac16, DAC16_SEL_DAC_1 );
if ( DAC16_OK == error_flag )
{
log_printf( &logger, " OUT1: " );
switch ( waveform )
{
case DAC16_WAVEFORM_TRIANGULAR:
{
log_printf( &logger, "triangular wave at about 1kHz\r\n" );
waveform = DAC16_WAVEFORM_SAWTOOTH;
break;
}
case DAC16_WAVEFORM_SAWTOOTH:
{
log_printf( &logger, "sawtooth wave at about 2kHz\r\n" );
waveform = DAC16_WAVEFORM_INV_SAWTOOTH;
break;
}
case DAC16_WAVEFORM_INV_SAWTOOTH:
{
log_printf( &logger, "inverse sawtooth wave at about 2kHz\r\n" );
waveform = DAC16_WAVEFORM_SINE;
break;
}
case DAC16_WAVEFORM_SINE:
{
log_printf( &logger, "sine wave at about 10.5kHz\r\n" );
waveform = DAC16_WAVEFORM_DISABLE;
break;
}
case DAC16_WAVEFORM_DISABLE:
{
log_printf( &logger, "function generator disabled\r\n" );
waveform = DAC16_WAVEFORM_TRIANGULAR;
break;
}
default:
{
log_printf( &logger, "unknown state\r\n" );
break;
}
}
// OUT2 and OUT3 are set in dac16_default_cfg
log_printf( &logger, " OUT2: sine wave at about 10.5kHz\r\n" );
log_printf( &logger, " OUT3: sawtooth wave at about 2kHz\r\n" );
}
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
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. UART terminal is available in all MikroElektronika compilers.