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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.14
mikroSDK Library: 2.0.0.0
Category: Buck
Downloaded: 185 times
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License: MIT license
VREG 2 Click is a voltage regulator Click, with outstanding performances.
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3544_vreg_2_click.zip [568.71KB] | 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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VREG 2 Click is a voltage regulator Click, with outstanding performances.
We provide a library for the Vreg2 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 Vreg2 Click driver.
vreg2_cfg_setup
Config Object Initialization function.
void vreg2_cfg_setup ( vreg2_cfg_t *cfg );
vreg2_init
Initialization function.
err_t vreg2_init ( vreg2_t *ctx, vreg2_cfg_t *cfg );
vreg2_default_cfg
Click Default Configuration function.
err_t vreg2_default_cfg ( vreg2_t *ctx );
vreg2_set_duty_cycle
This function sets the PWM duty cycle in percentages ( Range[ 0..1 ] ).
err_t vreg2_set_duty_cycle ( vreg2_t *ctx, float duty_cycle );
vreg2_pwm_start
This function starts the PWM module output.
err_t vreg2_pwm_start ( vreg2_t *ctx );
vreg2_pwm_stop
This function stops the PWM module output.
err_t vreg2_pwm_stop ( vreg2_t *ctx );
This example demonstrates the use of the VREG 2 Click board by changing the voltage output every 5 seconds.
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. */
vreg2_cfg_t vreg2_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.
vreg2_cfg_setup( &vreg2_cfg );
VREG2_MAP_MIKROBUS( vreg2_cfg, MIKROBUS_1 );
if ( PWM_ERROR == vreg2_init( &vreg2, &vreg2_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( VREG2_ERROR == vreg2_default_cfg ( &vreg2 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Controls the voltage output by changing the PWM duty cycle every 5 seconds. The duty cycle ranges from 10% to 50%. Each step will be logged on the USB UART where you can track the program flow.
void application_task ( void )
{
static int8_t duty_pct = 10;
static int8_t duty_step = 10;
if ( VREG2_OK == vreg2_set_duty_cycle ( &vreg2, ( float ) duty_pct / 100 ) )
{
log_printf( &logger, "\r\n Duty: %u%%\r\n", ( uint16_t ) duty_pct );
}
duty_pct += duty_step;
if ( ( duty_pct > 50 ) || ( duty_pct < 10 ) )
{
duty_step = -duty_step;
duty_pct += ( duty_step * 2 );
}
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
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.