Maintain signal accuracy in noisy industrial environments with FOD4216 and TM4C129XKCZAD
OptoTrust: Where signals are safeguarded and isolated!
Published Sep 21, 2023
Click board™
Opto 5 Click
Dev Board
Fusion for Tiva v8
Compiler
NECTO Studio
MCU
TM4C129XKCZAD
Protect your equipment from ground loops and voltage differences, extending the lifespan of your devices
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Hardware Overview
How does it work?
Opto 5 Click is based on the FOD4216, a random phase snubberless Triac driver that provides uncomplicated high voltage safety isolation from ON Semiconductor. It utilizes a high-efficiency infrared emitting diode that offers an improved trigger sensitivity coupled to a hybrid random phase triac formed with two inverse parallel SCRs, which creates the triac function capable of driving discrete triacs. It provides electrical isolation between a low-voltage input and a high-voltage output while switching the high-voltage output. The Triac stands for triode for alternating current and is a device that can conduct current in either direction when triggered or turned on by
detecting a light beam on its trigger junction (Gate). The Triac changes from the off-state to the conducting state when a current or current pulse is applied to the control electrode (Gate). Turning on the device can be achieved while synchronizing with the input voltage, whereas turn-off occurs when the current passes through zero following the control signal removal. Opto 5 Click operates only with the PWM signal from the mikroBUS™ socket that drives the cathode of the FOD4216. In applications, when hot-line switching is required, the “hot” side of the line is switched, and the load is connected to the cold or neutral side. In the case of a Standard Triac usage, the user should add a
39Ω resistor and 0.01uF capacitor parallel to triac terminals A1 and A2 used for snubbing the triac. In the case of highly inductive loads where the power factor is lower than 0.5), the value of a resistor should be 360Ω. In the case of use Snubberless Triac usage, there is no need for these components. This Click board™ can operate with either 3.3V or 5V logic voltage levels selected via the VCC SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. Also, this Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used as a reference for further development.
Features overview
Development board
Fusion for TIVA v8 is a development board specially designed for the needs of rapid development of embedded applications. It supports a wide range of microcontrollers, such as different 32-bit ARM® Cortex®-M based MCUs from Texas Instruments, regardless of their number of pins, and a broad set of unique functions, such as the first-ever embedded debugger/programmer over a WiFi network. The development board is well organized and designed so that the end-user has all the necessary elements, such as switches, buttons, indicators, connectors, and others, in one place. Thanks to innovative manufacturing technology, Fusion for TIVA v8 provides a fluid and immersive working experience, allowing access
anywhere and under any circumstances at any time. Each part of the Fusion for TIVA v8 development board contains the components necessary for the most efficient operation of the same board. An advanced integrated CODEGRIP programmer/debugger module offers many valuable programming/debugging options, including support for JTAG, SWD, and SWO Trace (Single Wire Output)), and seamless integration with the Mikroe software environment. Besides, it also includes a clean and regulated power supply module for the development board. It can use a wide range of external power sources, including a battery, an external 12V power supply, and a power source via the USB Type-C (USB-C) connector.
Communication options such as USB-UART, USB HOST/DEVICE, CAN (on the MCU card, if supported), and Ethernet is also included. In addition, it also has the well-established mikroBUS™ standard, a standardized socket for the MCU card (SiBRAIN standard), and two display options for the TFT board line of products and character-based LCD. Fusion for TIVA v8 is an integral part of the Mikroe ecosystem for rapid development. Natively supported by Mikroe software tools, it covers many aspects of prototyping and development thanks to a considerable number of different Click boards™ (over a thousand boards), the number of which is growing every day.
Microcontroller Overview
MCU Card / MCU
Type
8th Generation
Architecture
ARM Cortex-M4
MCU Memory (KB)
512
Silicon Vendor
Texas Instruments
Pin count
212
RAM (Bytes)
262144
Used MCU Pins
mikroBUS™ mapper
Take a closer look
Click board™ Schematic
Step by step
Project assembly
Start by selecting your development board and Click board™. Begin with the Fusion for Tiva v8 as your development board.
Track your results in real time
Application Output
This Click board can be interfaced and monitored in two ways:
Application Output- Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
UART Terminal- Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.
Software Support
Library Description
This library contains API for Opto 5 Click driver.
Key functions:
opto5_pin_set- Opto 5 pin setting functionopto5_pin_clear- Opto 5 pin clearing functionopto5_pin_toggle- Opto 5 pin toggling function
Open Source
Code example
The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.
/*!
* @file main.c
* @brief Opto 5 Click Example.
*
* # Description
* This example demonstrates the use of Opto 5 click board.
*
* The demo application is composed of two sections :
*
* ## Application Init
* Initialization of UART LOG and GPIO pin drivers.
* The output of PWM is set to high so the optocoupler
* is not triggered by default.
*
* ## Application Task
* The output pin is toggled every 5 seconds.
*
* @author Stefan Nikolic
*
*/
#include "board.h"
#include "log.h"
#include "opto5.h"
static opto5_t opto5; /**< Opto 5 Click driver object. */
static log_t logger; /**< Logger object. */
void application_init ( void ) {
log_cfg_t log_cfg; /**< Logger config object. */
opto5_cfg_t opto5_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.
opto5_cfg_setup( &opto5_cfg );
OPTO5_MAP_MIKROBUS( opto5_cfg, MIKROBUS_1 );
if ( opto5_init( &opto5, &opto5_cfg ) == DIGITAL_OUT_UNSUPPORTED_PIN ) {
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
Delay_ms( 100 );
opto5_default_cfg ( &opto5 );
log_info( &logger, " Application Task " );
Delay_ms( 100 );
}
void application_task ( void ) {
Delay_ms( 5000 );
log_printf( &logger, " Pin toggling...\r\n" );
opto5_pin_toggle( &opto5 );
}
void main ( void ) {
application_init( );
for ( ; ; ) {
application_task( );
}
}
// ------------------------------------------------------------------------ END
