Questions about programming parts (FPGAs, Flash, etc.) Many software programming questions should be asked instead on Stack Overflow.
1
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0answers
42 views
Computer skills for electronics [on hold]
I'm currently in my 3rd year in EE course. Here, where I live, you do the basic EE course and then chose your emphasis between telecommunications, computing systems, power engineering or electronics. ...
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0answers
8 views
how to program and burn p89v51rd2 and sst89e516rd in ubuntu? suggest some software [on hold]
how to program and burn p89v51rd2 and sst89e516rd in ubuntu? suggest some software
as theres flash magic in windows. which is software used in linux
0
votes
1answer
61 views
Programming language for IC design
I plan to work on this field in the future (I'm still very new to the engineering world). I got some time free now and I would like to invest in learning more. Will I need any programming language in ...
0
votes
0answers
42 views
Programming a PIC (with MikroC)
I have some troubles programming my PIC12F629 and since I'm a newbie in this domain (more a programmer) I'm feeling a bit lost.
In fact I would like to generate a signal through one of the ouput GPIO ...
0
votes
2answers
80 views
Difference between FIQ and IRQ
Im working on TI based processors now and they have 2 types of Interrupt configuration(FIQ or IRQ).I have seen such interrupts before when i was doing a hobby project using a LPC1778 but since i didnt ...
1
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2answers
39 views
Programming PIC with PICkit3 - do I need enabled MCLR?
I'm working with PIC12F629. It has 8 pins (6 for I/O). I need to use MCLR pin as input pin (for a button), so I have to disable MCLR (I guess).
After first programming I want to be able to program ...
1
vote
2answers
69 views
UART- Tx/Rx Line cut detection
There are 2 systems,A and B. Communication between them is via Uart.
As part of periodic health check for CAN Bus, its possible to do a loopback and check the status of the CAN transceiver and the ...
1
vote
2answers
52 views
Why Ring Buffer is preffered for asynchronous communication?
Ring buffers are the go to choice by most veteran embedded programmers for asynchronous communications.
Assume that data arrives over UART from only a single source and only when a msg is asked ...
0
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0answers
25 views
Variable size array in PICBASIC PRO
PICBASIC PRO manual has this on defining arrays:
4.5. Arrays
Variable arrays can be created in a similar manner to variables.
...
0
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0answers
22 views
PC Cannot Access HC-06 Bluetooth COM Port
I have an HC-06 Bluetooth module connected to an Arduino UNO board to allow for the data received by the Ultrasonic sensor to be transferred to my PC via bluetooth and serial communication. I am using ...
0
votes
0answers
14 views
ST Smart Voice dev board (MK126V)
I have some trouble with my ST MK126V3.
Is it possible to program the board with the ST-LINK/V2? I can't work out from the datasheet what debug interface is used and how to connect it properly.
Link ...
0
votes
1answer
74 views
Problem with lcd - pic interface
I wrote the following code to display a blinking text on an lcd. The code works properly on the simulator but the real lcd doesn't display anything. I attached the circuit diagram I used to connect ...
0
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1answer
39 views
lcd “random fruit” built in function for pic
I'm trying to display a random fruit on an lcd and I was wondering if there's a built in function in the MikroC PRO for pic v.6.4.0 library that does so.
I drew the fruit using the lcd custom ...
0
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3answers
38 views
AVR studio 6.2 flash atxmega32e5 signature issue
I am trying to flash my AVR ATXMega32E5 with Atmel-ICE thanks to SPI.
The problem is that from AVR Studio Device Programming it can read the Target Voltage but not the Device Signature.
What it ...
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votes
1answer
62 views
Can I reprogram my SPI flash wirelessly?
I am working on an application which stores specific model information in the SPI flash. The hardware is the same between the five different types of units. They are typically programmed with model ...
7
votes
2answers
173 views
Embedded programming state machines
I am looking at implementing a non-trivial finite state machine (specified as a UML hierarchical statechart) on a 32-bit MCU with gcc.
Are there any rules of thumb what works better and what works ...
1
vote
3answers
126 views
Binary Counter C Code for pic16f877a
I'm trying to write a code for an up/down binary counter. The task is to light up 8 leds (up counter)and then reverse the lighting order (down counter). I am trying to create an array of leds in my ...
0
votes
1answer
67 views
Can 8051 pins work as inputs or outputs at the same time in a program? [duplicate]
I have confusion in assigning ports as input or outputs in 8051 microcontroller.
As I have done programming with atmel atmega16 and variants we clearly have DDR registers to assign ports as inputs ...
0
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0answers
44 views
Keil skip or steps over a statement while doing 8051 assembly language programming
I am writing a simple program to recieve values serially from PC to 8051 microcontroller.
So here is the program
...
2
votes
1answer
39 views
Naming and grouping individual pins with the ATXMEGA
I am new to using atxmega chips (atxmega128a1 specifically) so sorry if my question is not worded in a "professional" way!
So far in order to set or clear a pin I use the following programming in C:
...
-1
votes
1answer
108 views
Programming Intel i3 like RPi [closed]
I am building a fairly large home automation system comprising of cameras and other sensors. I experimented with a Raspberry Pi, but it simply wasn't able to handle the load. Therefore I want to know ...
0
votes
1answer
96 views
PIC C program flow problem XC8
Problem:
My C code is not running to the end.
To test my EEPROM read and write, I decided to write a simple array and read it back to different array using a PIC. However the problem is not the ...
0
votes
2answers
101 views
Is it possible to implement a fail-proof watchdog timer in software?
I want to add a piece of code for watchdog timer within my source code so that the board resets automatically when programs hangs. I am using Mediatek Linkit One board.
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1answer
48 views
Some cool things i can do with RAM?? [closed]
What are some cool (technical) things i can do with RAM (500mb,ddr2)? I have it but cant't think of anything to do.
1
vote
1answer
97 views
ST-Link debugger/programmer failed to find STM32L152 MCU on designed PCB
I'm using STM32L152 MCU on my own project. The project was started on a STM32 Discrovery board. Now I would like to have my own board by designing a PCB with the MCU. An external ST-Linkv2 will be ...
2
votes
4answers
61 views
PLC rung definition and evaluation
I was reading a book about PLCs (Programmable Logic Controllers).
I found this paragraph: "A ladder diagram is read from left to right and from top to bottom... The top rung is read from left to ...
0
votes
1answer
68 views
Programming MSP432P401R on a custom PCB
I got a MSP432P401R LaunchPad and wrote/ran some applications with it.
What if I want to use it in a real life application. How can program the MCU when I design my own circuit and place it on the ...
0
votes
0answers
55 views
Arduino and weight sensor help
I am very new to arduino, and am trying to make a project that weighs a tank and let me know when it reaches low levels. I have a LCD, four load cells a load combination board and amplifier. I have ...
0
votes
1answer
99 views
Programming Atmel SAM MCU using SAM-BA
I'm completely new to Atmel ARM microcontrollers and beyond a single class a couple of years ago and some arduino tinkering, new to "proper" mcu's in general.
So therefore I am having trouble with ...
1
vote
1answer
40 views
MSP430 - how to check addressing types
I'm programming a MSP430 in C language as a simulation of real microcontroller. I got stuck in addressing modes (https://en.wikipedia.org/wiki/TI_MSP430#MSP430_CPU), especially:
Addressing modes ...
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votes
1answer
27 views
Programming SPC56XX PowerPC MCUs
I found that SPC56 is perfect solution for my hobby automotive project. There are several C compilers.
I used to work with Cortex-M3/4 cores and it always was easy to find good program/debug solution ...
3
votes
1answer
70 views
How are system configuration flash or eeprom chips programmed?
I've seen, quite often actually, a circuit that will have an eeprom or flash chip soldered next to the application chip. Take a look at the ESP8266, it has some kind of programmable memory that sets ...
1
vote
0answers
71 views
Best device to read/write memory on multiple architectures?
tl;dr: I want to read/write memory from a PIC MCU and an EEPROM, both of which are soldered to an experiment board. I would like to explore programming and debugging ARM in the near future. Which ...
0
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0answers
44 views
Using IC Test Clip to do In Circuit Programming/Debug
I was thinking of using a Test Clip like this:
Digikey: 3M Test Clip
to do in circuit debug/programming of an Atmel SAMD9 because I'm really trying to reduce board space, and for a production run I ...
1
vote
1answer
23 views
Programming/Verifying EPROMS with an elevated VCC
Many EPROM manufacturers specify a faster programming algorithm which involves temporarily raising VCC from 5V to about 6V.
If I read with this higher VCC in place, are the outputs still limited to ...
-1
votes
2answers
85 views
Using a USB port to connect to a microprocessor to program? [closed]
I am designing a led information board, I want to use a USB port to connect to the micro processor to program it, is it possible to use a USB port to do this? I am using a genie 14.
1
vote
2answers
109 views
Understand VHDL Code
I've been learning VHDL coding for the past two weeks to be able to understand the VHDL code of what I'll be working on. In other words, I'm still a beginner and I need help understanding some codes ...
0
votes
1answer
91 views
“error #28: expression must have a constant value” - with nRF51822 app_twi
I have been attempting to copy the nRF51822 app_twi example for own application in order to get a better understanding of how the HAL works.
However, now I have an error now that I don't understand ...
2
votes
3answers
222 views
STM32 PCB Problem
I have been trying for almost a year to get an STM32 to work on a custom-made PCB. I have an STM32F107 and I have wired it as shown in the attached diagram (only shown components are soldered at ...
0
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0answers
79 views
Benefit of using RAM, or some form of internal memory on a FPGA
I am at moment trying to store an image onto an FPGA. I calculated the space required by it to be 19200 kb, and are therefor wondering whether i should store it some other way than a 2d array?.. Or ...
3
votes
3answers
90 views
is there atmega 128 basic circuit for every project?
This is my first Atmega project so I have following questions:
Do I have to connect all those gnds and vcc's?
In programming I used Vcc Reset Gnd Tx Rx SClk of USART0 is that okay?
I didn't used ...
0
votes
1answer
90 views
Getting a stable value from sensor?
I am working with Omron Pressure sensor D6F-PH .
When i try to read the pressure value i am unable to get a stable value.
I tried averaging but even that doesn't help.
Could somebody suggest me a ...
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votes
3answers
91 views
Should HDL languages be taught before software languages? [closed]
I'm a Computer Engineering student and learned the basic sequential programming languages (C/assembly/Java) way before I was even introduced to HDLs. Thus, my whole programming logic was based upon ...
0
votes
3answers
760 views
STM32 & ST-LINK - Cannot connect to MCU after sucessful programming
I have build my own board with STM32F7-45VGT6. I have successfully programed it with ST-LINK v2 (not the original one though) and now I cannot even connect with MCU.
I use ST-Link Utility from ST and ...
5
votes
2answers
325 views
AVR - Is the datasheet of the Atmega32 wrong? Timer1
I'm currently using an Atmega32 to keep time, so I carefully read the datasheet and configured the Timer 1 to generate an interrupt each second.
According to the following formula on the datasheet, ...
0
votes
1answer
53 views
Split a 512 bit numbers into 16 words of 32 bits using HDL [closed]
How to split a 512 bit binary number into 32 words of 16 bits using HDL?
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8answers
1k views
Does each microcontroller line have its own programming language/syntax?
I've programmed the Arduino and have started programming the Teensy. They are similar to C but there are slight nuances in the programming language.
For instance, in Arduino's C you call a function ...
1
vote
2answers
82 views
It is better to fix x's in the simulation or in the design?
I have a question about how to deal with x's in Verilog netlist simulations. I have a disagreement with another engineer (who is a bit more senior than I am) about what the right approach is. ...
0
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0answers
135 views
Reprogramming STM32 when using SWD pins as GPIO
I have prototyped a new design, but being short on pins I was forced to utilise the SWD pins as GPIO.
I know when this is done it messes with the ability to program the chip as easily, giving the 'No ...
0
votes
1answer
69 views
Use AVR Atmega like a 555 for timer
I have a lot of AVR Atmega128P boards, and I would like to use it as timers WITHOUT PROGRAMMING, as example, just like 555 timers. Is it possible? If yes, how can I do that?
