Simple change of existing code for STM32 processor

I am newcomer to STM32, and I have to troubleshoot an existing STM32 project. I need help to fix 2 issues:

1. There are two adc channels, one of the brings correct data, the other one not. I think it is a question of configuration, but need help to find the reason for the issue.

2. This is a low-power design, where a timer interrupts every 0.25s to wake up from sleep mode and check the inputs. TIM2 is used for this purpose, but STM32 uses to much power in sleep mode.

So, I need to use STOP mode instead where current consumption is very low. For this I need to use the RTC clock for the interrupts every 0.25s, because then current is really low and also RTC is the only timer that can wake up from STOP mode.

The project is to fix issue 1 , and implement the RTC timer function described in 2.

There is on short notice also a larger extension to the project that may be awarded to the freelancer that can fix this.

Skills: Electronics, Electrical Engineering, STM32, C++ Programming, Software Architecture

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About the Employer:
( 10 reviews ) Risskov, Denmark

Project ID: #28379279

28 freelancers are bidding on average $427 for this job

(79 Reviews)

Hi Sir, I am expert of stm32 programming and hardware design. lets talk to me on your project. We are professional engineers and developers who do such projects from the last 11+ years. We offer you our skills for More

$400 USD in 5 days
(50 Reviews)

Hi. I think I could help with these issues - but I have several questions. 1) Which STM32 microcontroller are you using? The low-power functionality (and also the ADC interface) - although similar across STM32 series More

$375 USD in 10 days
(12 Reviews)

Hi, I am a post graduate power electronics engineer and having very good experience in product design and development. I am excellent in embedded design & programming using pic, dspic controllers and MATLAB codding for More

$500 USD in 7 days
(61 Reviews)
(89 Reviews)

Hi. I'm STM specialist. What's STM32 model? What's IDE? To evaluate my skills you can look at this project: Regards, Alex.

$250 USD in 7 days
(51 Reviews)

Hello, I had similar projects with STM32 going to sleep and waking up periodically. Please send me your source code or let me know which STM32 controller you are using.

$250 USD in 5 days
(39 Reviews)

Dear Sir, I am good in STM32 programming either on commercial IDEs like IAR/Keil or on free GCC tools. I am online and available to work. Kindly contact me for a tested code. Regards Talha

$250 USD in 3 days
(57 Reviews)

Dear Sir, We are a small R & D company, based in Bulgaria, Europe. We specialize in developing Embed systems based ST(STM32), Microchip (Atmel )(PICs,AVR,Atmel ARM) and TI (MSP430) MCPUs and peripheries. For our mobil More

$500 USD in 7 days
(8 Reviews)

Hello, Hope this message finds you well, I checked your details and I believe that my experience is what you are looking 4. I have been working on similar projects for the past eight years, and I have the essential sk More

$250 USD in 7 days
(21 Reviews)

Hi Hiring Manager I am Firmware Developer for ESP32, PIC, STM32, nRF5X, Arduino My core skills and experience in the field of Embedded and IoT system development are: - Firmware Development:- Assembly, C, C++. - Sch More

$750 USD in 5 days
(7 Reviews)

Hello, What is the exact model of the microcotroller? Do you have the source code available? Is it possible to take a look? Thanks

$300 USD in 7 days
(18 Reviews)

I am an expert microcontroller programmer. I have solid experience in C for embedded applications. I also have experience in STM32 / KEIL / STM32CUBEMX. I have experience in the ESP. If we could have a chat, So to hav More

$600 USD in 10 days
(23 Reviews)

How are you? I read your description. I am C++/C#/Java/Python programming Expert. I can finish your project quickly with best quality. I want to discuss more on chat. Thank you for your time.

$500 USD in 7 days
(5 Reviews)

Hello , i've experience in firmware writing for ARM based cpus and also i have STM32F103 Dev. board on the hands. It's would be perfect if you provide scheme file Cheers.

$280 USD in 5 days
(9 Reviews)

Hi i am an experienced embedded systems engineer with more than 7 years of experience. i have read the project description and to let you know i have recently worked on stm32 adc, and i believe it is not a big deal fo More

$333 USD in 5 days
(7 Reviews)

Hello, I am an embedded systems engineer experienced in microcontrollers especially stm32. I have developed low power systems before. Your tasks seems pretty straightforward. waiting for your messages.

$600 USD in 5 days
(7 Reviews)

Hello I have more than 15 years of experience in the embedded systems design and pcb design and electronics systems design So let's discuss your project in chat

$350 USD in 3 days
(8 Reviews)
(4 Reviews)

I’m skilled C/C++ and STM32 developer.

$330 USD in 7 days
(1 Review)