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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.20
mikroSDK Library: 2.0.0.0
Category: Clock generator
Downloaded: 277 times
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License: MIT license
Waveform Click is a precise sine/triangle/square waveform generator, capable of reproducing frequencies up to 12MHz.
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Waveform Click is a precise sine/triangle/square waveform generator, capable of reproducing frequencies up to 12MHz.
We provide a library for the Waveform 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 Waveform Click driver.
waveform_cfg_setup
Config Object Initialization function.
void waveform_cfg_setup ( waveform_cfg_t *cfg );
waveform_init
Initialization function.
err_t waveform_init ( waveform_t *ctx, waveform_cfg_t *cfg );
waveform_sine_output
Sinusoide output function
void waveform_sine_output ( waveform_t *ctx, uint32_t freq );
waveform_triangle_output
Triangle output function
void waveform_triangle_output ( waveform_t *ctx, uint32_t freq );
waveform_square_output
Square output function
void waveform_square_output ( waveform_t *ctx, uint32_t freq );
This example demonstrates the use of Waveform Click board.
The demo application is composed of two sections :
Initializes the communication interface and configures the Click board.
void application_init ( )
{
log_cfg_t log_cfg;
waveform_cfg_t waveform_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_info( &logger, " Application Init " );
// Click initialization.
waveform_cfg_setup( &waveform_cfg );
WAVEFORM_MAP_MIKROBUS( waveform_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == waveform_init( &waveform, &waveform_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
waveform_sine_output( &waveform, frequency );
log_printf( &logger, "Sine wave output set with approx. frequency: %lu Hz\r\n", frequency );
waveform_display_commands ( );
log_info( &logger, " Application Task " );
}
Predefined commands are inputed from the serial port. Changes the signal frequency, waveform or amplitude depending on the receiver command.
void application_task ( )
{
uint8_t command = 0;
if ( 1 == log_read ( &logger, &command, 1 ) )
{
waveform_parse_command ( command );
}
}
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.