Hi guys, I have worked out on RB-A5D2x and RB-i.MX 6UL SBC where I have seen multiple interfaces which can be used for sensors of different types. I can actually connected multiple sensors based on the interfaces.

The correct code line for the script is: ./modpoll.bin -m rtu -a 1-t 4:float -r 159 -b 9600 -s 1 -p none /dev/ttyS2

Follow the link bellow to learn to boot from SD card in details: https://developer.ruggedboard.com/g5-system-development-guide/boot-from-sd-card

@Nagesh Setty KS Thank you for your feedback. It has been updated now. https://developer.ruggedboard.com/g1-getting-started/test-all-the-rb-interfaces-in-10-mins

/* standard headers */ #include #include #include #include /* mraa header */ #include "mraa/uart.h" #ifndef FALSE #define FALSE 0 #define TRUE (!FALSE) #endif /* UART port name */ const char* dev_path = "/dev/ttyS4"; volatile sig_atomic_t flag = 1; void sig_handler(int signum) { if (signum == SIGINT) { fprintf(stdout, "Exiting...\n");         flag = 0;     } } int main(int argc, char** argv) { mraa_result_t status = MRAA_SUCCESS;     mraa_uart_context uart; char buffer[] = "Hello Mraa!"; char buffer1[20]; int baudrate = 9600, stopbits = 1, databits = 8; mraa_uart_parity_t parity = MRAA_UART_PARITY_NONE; unsigned int ctsrts = FALSE, xonxoff = FALSE; const char* name = NULL; /* install signal handler */ signal(SIGINT, sig_handler); /* initialize mraa for the platform (not needed most of the time) */ mraa_init();     //! [Interesting] /* initialize uart */     uart = mraa_uart_init_raw(dev_path); if (uart == NULL) { fprintf(stderr, "Failed to initialize UART\n"); return EXIT_FAILURE;     } /* set serial port parameters */     status = mraa_uart_settings(-1, &dev_path, &name, &baudrate, &databits, &stopbits, &parity, &ctsrts, &xonxoff); if (status != MRAA_SUCCESS) { goto err_exit;     } while (flag) { /* send data through uart */ mraa_uart_write(uart, buffer, sizeof(buffer)); sleep(5); mraa_uart_read(uart,buffer1,sizeof(buffer1)); printf("Data Read %s\n",buffer1); sleep(5);          buffer1[0]='\0';     } /* stop uart */ mraa_uart_stop(uart);     //! [Interesting] /* deinitialize mraa for the platform (not needed most of the time) */ mraa_deinit(); return EXIT_SUCCESS; err_exit: mraa_result_print(status); /* stop uart */ mraa_uart_stop(uart); /* deinitialize mraa for the platform (not needed most of the times) */ mraa_deinit(); return EXIT_FAILURE; } Try out the code above using the appropriate toolchain. Let me know if this code worked for you.

I request you to do a loopback test for the designated UART port using the process below and then proceed for the program in C or Python: RuggedBoard has 5x UART on different ports. To test UART1, locate P4 port on your RB (refer hardware manual) and Step1: Locate the port P4 on the RuggedBoard. Refer to the Hardware manual. Step 2: Short PIN 1 (RS232_TX_1) and PIN 2 (RS232_RX_1) using a patch cord provided in the Box to echo the transmitted data back to RuggedBoard. Step 3: Use the following command to check the loop-back of the transmitted data. Microcom is an application used to access serial ports. microcom /dev/ttyS4 Note: Microcom is a serial terminal and it is installed in RuggedBoard by default. Step 4: Type anything on the keyboard. If the system is working fine the characters you are typing should be displayed in the terminal. Step 5: Press Ctrl + X to come out of the Microcom terminal and back to the Minicom. Note: After entering the above command you will notice that whatever you type on your keyboard are getting displayed on the terminal and when you remove short of the PIN 1 and PIN 2 keyboard entries are not displayed anymore and resume the loop-back once you short the PINs again.

RB-A5D2x doesn't come with a camera interface. For camera and other interfaces required you can follow PHYTEC Single Board Computers Products. https://www.phytec.in/products/embedded-imaging/embedded-imaging-kits/ Follow the link above and share the contact form in the website chatbox. They will help you choose the right hardware.

I don't see any code here.

Can you please post your code and the error details

Provide the description of the energymeter.

Dear sowbhagya lakshmi By default, RuggedBoard is shipped with Linux OS preinstalled in it. You can directly use RB for you application development. You don't need to flash the device again. In case any updates are required RuggedBoard will let you know about it. You can start testing applications based on the documents mentioned in the developer.ruggedboard.com Can you please elaborate on your question to make me understand what exactly you want to do. (Kindly edit the question with description)

RuggedBoard-A5D2x new hardware manual will be shared shortly. Where all the PIN out including the MRAA Pin Mapping is available.

Hi, You can refer https://developer.ruggedboard.com/g1-getting-started/quick-start-guide This link will provide you information about using RB in Windows PC as well as using Ubuntu PC. We recommend you to use Ubuntu 16.04 LTS + for the development activities.

Please find the attachment which is having the patches and one text file. Please follow the text file. https://phytecembeddedin-my.sharepoint.com/:f:/g/personal/ashraful_k_phytecembedded_in/Eii-JBxI4ixLnxl0Gr6ImdgBe55YgwE0pfk9NT2a0jvNqw?e=fhSNqx

With the default image MRAA libraries are included. Do you need the source and want to compile it again for your requirement what you would like to do. @Ganesh K Can you please provide the source of MRAA.

I think pin mapping of MRAA board file and the Pin Muxing sheet should be helpful for you to correctly assign the pins for your testing. Requesting @GopalKrishna Bypalli @Ganesh K to provide the Pin mapping of Mraa Board file and Pin Muxing Sheet.

# RuggedBoard-A5D2x Linux Image flashing Steps. Please note that the source bianry will be downloaded from GitHub. So please make sure that you have git installed on your PC: Step 1: -Download the flashing tool source using below command $git clone https://github.com/tejashwani21/A5D2x.git Step 2: - During the flashing process don't open any UART port. UART should be free. - Remove the power and usb cable. - during reconnecting the USB cable press and hold the boot key on the board. Step 3: -Once you completed the above step, open the terminal and enter the below command $sudo su Step 4: -Go to the directory where you cloned the git $cd sam-ba-3.2.1 Step 5: -Give permission to sam-ba $chmod 777 sam-ba Step 6: -Then run this script file $sh flash.sh

Vineesha Pudota Can you please share some example program for UART in C Language.

Now you can buy RuggedBoard from the link below: https://www.community.ruggedboard.com/shop

RB-A5D2x and RB-i.MX 6Ul both are good. Depending upon your application, you have to go forward in selecting the application.