Create a secure and distinctive digital identity using DS2401 and TM4C1299NCZAD
Your ID, your signature!
Published Jun 21, 2023
Click board™
UNIQUE ID Click
Dev Board
Fusion for Tiva v8
Compiler
NECTO Studio
MCU
TM4C1299NCZAD
Unlock a world of possibilities with your personalized digital ID!
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Hardware Overview
How does it work?
Unique ID Click is based on the DS2401, a guaranteed unique 64-bit ROM ID chip from Analog Devices. The 64-bit ROM includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit Family Code (01h). Its internal ROM is accessed via a single data line with a communication speed of up to 16.3Kbps. In perspective, multiple DS2401 devices can reside on a common 1-Wire net, with a built-in multidrop controller that ensures compatibility with other 1-Wire devices. The
DS2401 features presence pulse acknowledgment when the reader first applies a voltage, where the power for reading and writing the device is derived from the data line itself. The Unique ID Click uses a 1-Wire bus interface to communicate to the host MCU through one of the GPIOs (GP0, GP1) of the mikroBUS™ socket, selectable by the onboard GPIO SEL jumper. This protocol defines bus transactions regarding the bus state during specified time slots initiated on the falling edge of
sync pulses from the host bus. All data is read and written the least significant bit first. This Click board™ can operate with either 3.3V or 5V logic voltage levels selected via the PWR SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. However, the 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)
1024
Silicon Vendor
Texas Instruments
Pin count
212
RAM (Bytes)
262144
Used MCU Pins
mikroBUS™ mapper
Take a closer look
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 via UART Mode
1. Once the code example is loaded, pressing the "FLASH" button initiates the build process, and programs it on the created setup.
2. After the programming is completed, click on the Tools icon in the upper-right panel, and select the UART Terminal.
3. After opening the UART Terminal tab, first check the baud rate setting in the Options menu (default is 115200). If this parameter is correct, activate the terminal by clicking the "CONNECT" button.
4. Now terminal status changes from Disconnected to Connected in green, and the data is displayed in the Received data field.
Software Support
Library Description
This library contains API for Unique ID Click driver.
Key functions:
uniqueid_read_id- This function reads Family Code and Serial Number of device's ROM memory
Open Source
Code example
This example can be found in NECTO Studio. Feel free to download the code, or you can copy the code below.
/*!
* @file main.c
* @brief UNIQUE ID Click example.
*
* # Description
* This example demonstrates the use of UNIQUE ID click board by reading and
* displaying Family Code and Serial Number on the UART Terminal.
*
* The demo application is composed of two sections :
*
* ## Application Init
* Initializes both logger config object and
* click config object.
*
* ## Application Task
* Demonstrates the usage of uniqueid_read_id function,
* which stores the Family Code and Serial Number of the click in
* family_code and serial_num variables. Both values will be displayed
* on the UART Terminal.
*
* @author Aleksandra Cvjeticanin
*
*/
#include "board.h"
#include "log.h"
#include "uniqueid.h"
static uniqueid_t uniqueid;
static log_t logger;
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
uniqueid_cfg_t uniqueid_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
uniqueid_cfg_setup( &uniqueid_cfg );
UNIQUEID_MAP_MIKROBUS( uniqueid_cfg, MIKROBUS_1 );
if ( ONE_WIRE_ERROR == uniqueid_init( &uniqueid, &uniqueid_cfg ) )
{
log_error( &logger, " Initialization error." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
void application_task ( void )
{
uint8_t family_code;
uint8_t serial_num[ 6 ];
if ( UNIQUEID_OK == uniqueid_read_id( &uniqueid, &family_code, &serial_num[ 0 ] ) )
{
log_printf( &logger, "Family Code = 0x%.2X\r\n", ( uint16_t ) family_code );
log_printf( &logger, "Serial Number = 0x%.2X%.2X%.2X%.2X%.2X%.2X\r\n",
( uint16_t ) serial_num[ 0 ], ( uint16_t ) serial_num[ 1 ],
( uint16_t ) serial_num[ 2 ], ( uint16_t ) serial_num[ 3 ],
( uint16_t ) serial_num[ 4 ], ( uint16_t ) serial_num[ 5 ] );
}
Delay_ms( 1000 );
}
void main ( void )
{
application_init( );
for ( ; ; )
{
application_task( );
}
}
// ------------------------------------------------------------------------ END
