STM32, Add MODBUS SLAVE RTU Communication for my Existing Project Through UART2, KeilC

We have STM32F103RTB6 based embedded module with 3.2"TFT Touch screen. We have used the UART1 for debugging and other interface function. The project is working stable now.

Current project uses - "rt thread" compiled in KeilC

Freely available Pins are PA0,PA1,PA2,PA3

Our Requirements are:

1. We want to add the MODBUS SLAVE RTU communication to the existing Project to Read/Write few registers ( up to 12 Registers). UART2 must be utilized.

2. The communication protocol is Fixed 8 Bit, 1 stop bit, No parity,

3. The baud rate should be selectable as 9600,19200,57600, 115200 in the communication screen.

4. Communication via RS-485, It requires TX,RX switching through MAX485 IC.

We will supply the existing source files to the winning bidder.

Habilidades: Eletrônica, Software Integrado, Microcontrolador

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Acerca do Empregador:
( 4 comentários ) Coimbatore, India

ID do Projeto: #11877279

Concedido a:


Hi! I have already implemented Modbus RTU slave on STM32F2... and STM32F0... devices. All my protocol source could be used. Then it's just about configuring UART2. How shall the configuration UI be interfaced? Mais

$60 USD em 2 dias
(1 Comentário)

11 freelancers estão ofertando em média $167 para esse trabalho


I am currently working on designing and development of a MODBUS device using PIC 8 bit micro controller. its done now and under testing with real hardware. I can assist you in getting your job done as well. I have very Mais

$183 USD in 5 dias
(35 Comentários)

hello i am interested in your project, can i have more details. have an STM32F103RTB6 based embedded module with 3.2"TFT Touch screen. thanks

$120 USD in 10 dias
(33 Comentários)
$50 USD in 10 dias
(2 Comentários)

Hi, Hope you will be doing good today. I have good experience of developing firmware for MCUs using C language. I am currently working on STM32L053C8T6. I have experience of working with RS232/RS485 transceiver I Mais

$50 USD in 3 dias
(0 Comentários)

I graduated in electronics engineering at the Universidade de São Paulo from Brazil, the best university in country. Also worked at Whirlpool Corporation as embedded software developer for washing machines.

$55 USD in 15 dias
(0 Comentários)

# Having 17+ years of experience in Design, Development and Project Management of Embedded System software & Industrial Automation software. # Experience in developing embedded software for MPC 5200(Power PC) & ARM Mais

$50 USD in 14 dias
(0 Comentários)
$50 USD in 3 dias
(0 Comentários)

I am experienced Embedded System Developer, having experience of different development platform. I have been used FreeRTOS before sure I will do my best for RT-Thread too. Thanks

$55 USD in 5 dias
(0 Comentários)

Hello, I have expert knowledge in Modbus RTU development. I developed Modbus for several Industrial automation projects. Please send me detailed requirement for revised quote. Thanks & Regards, Hema

$1111 USD in 30 dias
(0 Comentários)

I will complete excellently your requirements.

$50 USD in 5 dias
(0 Comentários)